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Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


1

Regenerative braking device  

DOE Patents (OSTI)

Disclosed are several embodiments of a regenerative braking device for an automotive vehicle. The device includes a plurality of rubber rollers (24, 26) mounted for rotation between an input shaft (14) connectable to the vehicle drivetrain and an output shaft (16) which is drivingly connected to the input shaft by a variable ratio transmission (20). When the transmission ratio is such that the input shaft rotates faster than the output shaft, the rubber rollers are torsionally stressed to accumulate energy, thereby slowing the vehicle. When the transmission ratio is such that the output shaft rotates faster than the input shaft, the rubber rollers are torsionally relaxed to deliver accumulated energy, thereby accelerating or driving the vehicle.

Hoppie, Lyle O. (Birmingham, MI)

1982-01-12T23:59:59.000Z

2

Combined hydraulic and regenerative braking system  

DOE Patents (OSTI)

A combined hydraulic and regenerative braking system and method for an electric vehicle is disclosed. The braking system is responsive to the applied hydraulic pressure in a brake line to control the braking of the vehicle to be completely hydraulic up to a first level of brake line pressure, to be partially hydraulic at a constant braking force and partially regenerative at a linearly increasing braking force from the first level of applied brake line pressure to a higher second level of brake line pressure, to be partially hydraulic at a linearly increasing braking force and partially regenerative at a linearly decreasing braking force from the second level of applied line pressure to a third and higher level of applied line pressure, and to be completely hydraulic at a linearly increasing braking force from the third level to all higher applied levels of line pressure.

Venkataperumal, R.R.; Mericle, G.E.

1979-08-09T23:59:59.000Z

3

Combined hydraulic and regenerative braking system  

DOE Patents (OSTI)

A combined hydraulic and regenerative braking system and method for an electric vehicle, with the braking system being responsive to the applied hydraulic pressure in a brake line to control the braking of the vehicle to be completely hydraulic up to a first level of brake line pressure, to be partially hydraulic at a constant braking force and partially regenerative at a linearly increasing braking force from the first level of applied brake line pressure to a higher second level of brake line pressure, to be partially hydraulic at a linearly increasing braking force and partially regenerative at a linearly decreasing braking force from the second level of applied line pressure to a third and higher level of applied line pressure, and to be completely hydraulic at a linearly increasing braking force from the third level to all higher applied levels of line pressure.

Venkataperumal, Rama R. (Troy, MI); Mericle, Gerald E. (Mount Clemens, MI)

1981-06-02T23:59:59.000Z

4

Variable ratio regenerative braking device  

DOE Patents (OSTI)

Disclosed is a regenerative braking device (10) for an automotive vehicle. The device includes an energy storage assembly (12) having a plurality of rubber rollers (26, 28) mounted for rotation between an input shaft (36) and an output shaft (42), clutches (38, 46) and brakes (40, 48) associated with each shaft, and a continuously variable transmission (22) connectable to a vehicle drivetrain and to the input and output shafts by the respective clutches. The rubber rollers are torsionally stressed to accumulate energy from the vehicle when the input shaft is clutched to the transmission while the brake on the output shaft is applied, and are torsionally relaxed to deliver energy to the vehicle when the output shaft is clutched to the transmission while the brake on the input shaft is applied. The transmission ratio is varied to control the rate of energy accumulation and delivery for a given rotational speed of the vehicle drivetrain.

Hoppie, Lyle O. (Birmingham, MI)

1981-12-15T23:59:59.000Z

5

The Application of Fuzzy Logic in Regenerative Braking of EV  

Science Conference Proceedings (OSTI)

Regenerative braking can improve energy usage efficiency and prolong the driving distance of electric vehicle per charge, effectively. In the paper, we design a sugeno’s fuzzy logic controller which has four inputs including driver’s braking ... Keywords: regenerative braking, fuzzy logic control, braking force distribution, ADVISOR

Zijian Zhang; Guoqing Xu; Weimin Li; Liang Zheng

2010-08-01T23:59:59.000Z

6

Adaptive controller for regenerative and friction braking system  

DOE Patents (OSTI)

A regenerative and friction braking system for a vehicle having one or more roadwheels driven by an electric traction motor includes a driver responsive device for producing a brake demand signal having a magnitude corresponding to the level of braking force selected by the driver and friction and regenerative brakes operatively connected with the roadwheels of the vehicle. A system according to this invention further includes control means for operating the friction and regenerative braking subsystems so that maximum brake torques sustainable by the roadwheels of the vehicle without skidding or slipping will not be exceeded.

Davis, Roy I. (Ypsilanti, MI)

1990-01-01T23:59:59.000Z

7

Adaptive controller for regenerative and friction braking system  

DOE Patents (OSTI)

A regenerative and friction braking system for a vehicle having one or more road wheels driven by an electric traction motor includes a driver responsive device for producing a brake demand signal having a magnitude corresponding to the level of braking force selected by the driver and friction and regenerative brakes operatively connected with the road wheels of the vehicle. A system according to this invention further includes control means for operating the friction and regenerative braking subsystems so that maximum brake torques sustainable by the road wheels of the vehicle without skidding or slipping will not be exceeded. 8 figs.

Davis, R.I.

1990-10-16T23:59:59.000Z

8

Electric vehicle regenerative antiskid braking and traction control system  

DOE Patents (OSTI)

An antiskid braking and traction control system for an electric or hybrid vehicle having a regenerative braking system operatively connected to an electric traction motor, and a separate hydraulic braking system includes one or more sensors for monitoring present vehicle parameters and a processor, responsive to the sensors, for calculating vehicle parameters defining the vehicle behavior not directly measurable by the sensors and determining if regenerative antiskid braking control, requiring hydrualic braking control, or requiring traction control are required. The processor then employs a control strategy based on the determined vehicle state and provides command signals to a motor controller to control the operation of the electric traction motor and to a brake controller to control fluid pressure applied at each vehicle wheel to provide the appropriate regenerative antiskid braking control, hydraulic braking control, and traction control.

Cikanek, Susan R. (Wixom, MI)

1995-01-01T23:59:59.000Z

9

Electric vehicle regenerative antiskid braking and traction control system  

DOE Patents (OSTI)

An antiskid braking and traction control system for an electric or hybrid vehicle having a regenerative braking system operatively connected to an electric traction motor, and a separate hydraulic braking system includes one or more sensors for monitoring present vehicle parameters and a processor, responsive to the sensors, for calculating vehicle parameters defining the vehicle behavior not directly measurable by the sensors and determining if regenerative antiskid braking control, requiring hydraulic braking control, or requiring traction control are required. The processor then employs a control strategy based on the determined vehicle state and provides command signals to a motor controller to control the operation of the electric traction motor and to a brake controller to control fluid pressure applied at each vehicle wheel to provide the appropriate regenerative antiskid braking control, hydraulic braking control, and traction control. 10 figs.

Cikanek, S.R.

1995-09-12T23:59:59.000Z

10

Study on Regenerative Brake Method of Hybrid Electric Drive System of Armored Vehicle  

Science Conference Proceedings (OSTI)

Aiming at characteristics of regenerative brake of hybrid electric drive system of tracked armored vehicle, mechanism of regenerative brake by pulse width modulation is in-depth analyzed, motor speed, brake current, feedback current, feedback energy ... Keywords: hybrid electric drive, motor, regenerative brake

Li Hua; Zhong Meng-chun; Zhang Jian; Xu Da; Lin Hai

2011-10-01T23:59:59.000Z

11

The Research of Traction Motor Energy-Saving Regenerative Braking Control Technology  

Science Conference Proceedings (OSTI)

In all the motor braking control systems, regenerative braking is the only way of energy-saving braking control mode. It can convert dynamic energy which generate during braking period into electric energy, then return to the grid. In this paper, through ... Keywords: regenerative braking, traction motor, direct torque, stator flux, slip frequency

Yuhua Wang; Jianlin Miao; Yuanfang Wei

2010-05-01T23:59:59.000Z

12

Regenerative braking device with rotationally mounted energy storage means  

DOE Patents (OSTI)

A regenerative braking device for an automotive vehicle includes an energy storage assembly (12) having a plurality of rubber rollers (26, 28) mounted for rotation between an input shaft (30) and an output shaft (32), clutches (50, 56) and brakes (52, 58) associated with each shaft, and a continuously variable transmission (22) connectable to a vehicle drivetrain and to the input and output shafts by the respective clutches. In a second embodiment the clutches and brakes are dispensed with and the variable ratio transmission is connected directly across the input and output shafts. In both embodiments the rubber rollers are torsionally stressed to accumulate energy from the vehicle when the input shaft rotates faster or relative to the output shaft and are torsionally relaxed to deliver energy to the vehicle when the output shaft rotates faster or relative to the input shaft.

Hoppie, Lyle O. (Birmingham, MI)

1982-03-16T23:59:59.000Z

13

Fuzzy logic electric vehicle regenerative antiskid braking and traction control system  

DOE Patents (OSTI)

An regenerative antiskid braking and traction control system using fuzzy logic for an electric or hybrid vehicle having a regenerative braking system operatively connected to an electric traction motor, and a separate hydraulic braking system includes sensors for monitoring present vehicle parameters and a processor, responsive to the sensors, for calculating vehicle parameters defining the vehicle behavior not directly measurable by the sensor and determining if regenerative antiskid braking control, requiring hydraulic braking control, and requiring traction control are required. The processor then employs fuzzy logic based on the determined vehicle state and provides command signals to a motor controller to control operation of the electric traction motor and to the brake controller to control fluid pressure applied at each vehicle wheel to provide the appropriate regenerative braking control, hydraulic braking control, and traction control. 123 figs.

Cikanek, S.R.

1994-10-25T23:59:59.000Z

14

Fuzzy logic electric vehicle regenerative antiskid braking and traction control system  

DOE Patents (OSTI)

An regenerative antiskid braking and traction control system using fuzzy logic for an electric or hybrid vehicle having a regenerative braking system operatively connected to an electric traction motor, and a separate hydraulic braking system includes sensors for monitoring present vehicle parameters and a processor, responsive to the sensors, for calculating vehicle parameters defining the vehicle behavior not directly measurable by the sensor and determining if regenerative antiskid braking control, requiring hydraulic braking control, and requiring traction control are required. The processor then employs fuzzy logic based on the determined vehicle state and provides command signals to a motor controller to control operation of the electric traction motor and to the brake controller to control fluid pressure applied at each vehicle wheel to provide the appropriate regenerative braking control, hydraulic braking control, and traction control.

Cikanek, Susan R. (Wixom, MI)

1994-01-01T23:59:59.000Z

15

Simulation of PSO Fuzzy Control Stratety for Regenerative Braking of HEV  

Science Conference Proceedings (OSTI)

Based on particle swarm optimization algorithm, a new fuzzy controller was constructed and a fuzzy control strategy of regenerative braking for HEV was proposed. A model of a parallel hybrid electric vehicle was built. The performance of the default ... Keywords: hybrid electric vehicle, fuzzy control, regenerative braking, particle swarm optimization

Wang Chun; Tang Lan

2012-04-01T23:59:59.000Z

16

Hybrid: Braking  

NLE Websites -- All DOE Office Websites (Extended Search)

button highlighted Stopped Button subbanner graphic: gray bar BRAKING: PART 1 Regenerative braking converts otherwise wasted energy from braking into electricity and stores it in...

17

Regenerative braking on bicycles to power LED safety flashers  

E-Print Network (OSTI)

This work develops a method for capturing some of the kinetic energy ordinarily lost during braking on bicycles to power LED safety flashers. The system is designed to eliminate: (a) battery changing in popular LED flashers, ...

Collier, Ian M

2005-01-01T23:59:59.000Z

18

Advanced regenerative absorption refrigeration cycles  

DOE Patents (OSTI)

Multi-effect regenerative absorption cycles which provide a high coefficient of performance (COP) at relatively high input temperatures. An absorber-coupled double-effect regenerative cycle (ADR cycle) (10) is provided having a single-effect absorption cycle (SEA cycle) (11) as a topping subcycle and a single-effect regenerative absorption cycle (1R cycle) (12) as a bottoming subcycle. The SEA cycle (11) includes a boiler (13), a condenser (21), an expansion device (28), an evaporator (31), and an absorber (40), all operatively connected together. The 1R cycle (12) includes a multistage boiler (48), a multi-stage resorber (51), a multisection regenerator (49) and also uses the condenser (21), expansion device (28) and evaporator (31) of the SEA topping subcycle (11), all operatively connected together. External heat is applied to the SEA boiler (13) for operation up to about 500 degrees F., with most of the high pressure vapor going to the condenser (21) and evaporator (31) being generated by the regenerator (49). The substantially adiabatic and isothermal functioning of the SER subcycle (12) provides a high COP. For higher input temperatures of up to 700 degrees F., another SEA cycle (111) is used as a topping subcycle, with the absorber (140) of the topping subcycle being heat coupled to the boiler (13) of an ADR cycle (10). The 1R cycle (12) itself is an improvement in that all resorber stages (50b-f) have a portion of their output pumped to boiling conduits (71a-f) through the regenerator (49), which conduits are connected to and at the same pressure as the highest pressure stage (48a) of the 1R multistage boiler (48).

Dao, Kim (14 Nace Ave., Piedmont, CA 94611)

1990-01-01T23:59:59.000Z

19

Simulations of Plug-in Hybrid Vehicles Using Advanced Lithium Batteries and Ultracapacitors on Various Driving Cycles  

E-Print Network (OSTI)

accept all the regenerative braking energy. This paper isaccept all the regenerative braking energy. Figure 1 showsaccepts all the regenerative braking energy. In this mode, a

Burke, Andy; Zhao, Hengbing

2010-01-01T23:59:59.000Z

20

Hybrid: Braking  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

1 1 Regenerative braking converts otherwise wasted energy from braking into electricity and stores it in the battery. In regenerative braking, the electric motor is reversed so that, instead of using electricity to turn the wheels, the rotating wheels turn the motor and create electricity. Using energy from the wheels to turn the motor slows the vehicle down. Go to nextÂ… stage graphic: vertical blue rule Main stage: See through car with battery, engine, and electric motor visible. The car is decelerating. There are arrows flowing from the front wheels to the electric motor to the battery. Main stage: See through car with battery, engine, and electric motor visible. The car is decelerating. There are arrows flowing from the front wheels to the electric motor to the battery.

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Hybrid: Braking  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

2 2 If additional stopping power is needed, conventional friction brakes (e.g., disc brakes) are also applied automatically. Go backÂ… stage graphic: vertical blue rule Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection. Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection. Battery: The battery stores energy generated from the gasoline engine or, during regenerative braking, from the electric motor. Since the battery helps power the vehicle, it is larger and holds much more energy than batteries used to start conventional vehicles. Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection.

22

Full Hybrid: Braking  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

Braking button highlighted Stopped button Braking button highlighted Stopped button BRAKING PART 1 Regenerative braking converts otherwise wasted energy from braking into electricity and stores it in the battery. In regenerative braking, the electric motor is reversed so that, instead of using electricity to turn the wheels, the rotating wheels turn the motor and create electricity. Using energy from the wheels to turn the motor slows the vehicle down. Go to nextÂ… stage graphic: vertical blue rule Main stage: See through car with battery, engine, generator, power split device, and electric motor visible. The car is decelerating. There are arrows flowing from the front wheels to the power split device to the electric motor to the battery. Main stage: See through car with battery, engine, generator, power split device, and electric motor visible. The car is decelerating. There are arrows flowing from the front wheels to the power split device to the electric motor to the battery.

23

Model and Simulation of a Super-capacitor Braking Energy Recovery System for Urban Railway Vehicles  

Science Conference Proceedings (OSTI)

In this paper, a braking energy recovery system based on super-capacitor was presented. The method use super-capacitor and the conventional braking resistance constitute a new braking unit to realize the regenerative energy recovery, when braking, braking ... Keywords: Urban railway transportation, regeneration braking, super-capacitor, energy recovery, electric traction

Chen Xiao-li; Yang Jian; Fang Yu

2010-08-01T23:59:59.000Z

24

Hybrid: Braking  

NLE Websites -- All DOE Office Websites (Extended Search)

Button Stopped button highlighted subbanner graphic: gray bar Button Stopped button highlighted subbanner graphic: gray bar STOPPED When the vehicle is stopped, such as at a red light, the gasoline engine and electric motor shut off automatically so that energy is not wasted in idling. The battery continues to power auxillary systems, such as the air conditioning and dashboard displays. stage graphic: vertical blue rule Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection. Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection. Battery: The battery stores energy generated from the gasoline engine or, during regenerative braking, from the electric motor. Since the battery helps power the vehicle, it is larger and holds much more energy than batteries used to start conventional vehicles. Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection.

25

Hybrid: Braking  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

Button Stopped button highlighted subbanner graphic: gray bar Button Stopped button highlighted subbanner graphic: gray bar STOPPED When the vehicle is stopped, such as at a red light, the gasoline engine and electric motor shut off automatically so that energy is not wasted in idling. The battery continues to power auxillary systems, such as the air conditioning and dashboard displays. stage graphic: vertical blue rule Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection. Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection. Battery: The battery stores energy generated from the gasoline engine or, during regenerative braking, from the electric motor. Since the battery helps power the vehicle, it is larger and holds much more energy than batteries used to start conventional vehicles. Main stage: See through car with battery, engine, and electric motor visible. The car is stopped at an intersection.

26

Conceptual design of an advanced absorption cycle: the double-effect regenerative absorption refrigeration cycle  

DOE Green Energy (OSTI)

An advanced absorption refrigeration cycle was proposed as a heat-activated refrigeration system. Referred to as the double-effect regenerative absorption cycle of cycle 2R, it improves the performance of the conventional single-effect absorption cycle at high heat source temperatures. The performance of cycle 2R continually improves as input temperatures rise, in contrast to the conventional double-effect absorption cycle that has a sharp cut-off temperature below which it ceases to operate. Cycle 2R operates with two subcycles, the first-effect and the second-effect subcycles.

Dao, K.

1978-09-01T23:59:59.000Z

27

Brake blending strategy for a hybrid vehicle  

DOE Patents (OSTI)

A hybrid electric powertrain system is provided including a transmission for driving a pair of wheels of a vehicle and a heat engine and an electric motor/generator coupled to the transmission. A friction brake system is provided for applying a braking torque to said vehicle. A controller unit generates control signals to the electric motor/generator and the friction brake system for controllably braking the vehicle in response to a drivers brake command. The controller unit determines and amount of regenerative torque available and compares this value to a determined amount of brake torque requested for determining the control signals to the electric motor/generator and the friction brake system.

Boberg, Evan S. (Hazel Park, MI)

2000-12-05T23:59:59.000Z

28

Gravity brake  

DOE Patents (OSTI)

A mechanical gravity brake that prevents hoisted loads within a shaft from free-falling when a loss of hoisting force occurs. A loss of hoist lifting force may occur in a number of situations, for example if a hoist cable were to break, the brakes were to fail on a winch, or the hoist mechanism itself were to fail. Under normal hoisting conditions, the gravity brake of the invention is subject to an upward lifting force from the hoist and a downward pulling force from a suspended load. If the lifting force should suddenly cease, the loss of differential forces on the gravity brake in free-fall is translated to extend a set of brakes against the walls of the shaft to stop the free fall descent of the gravity brake and attached load.

Lujan, Richard E. (Santa Fe, NM)

2001-01-01T23:59:59.000Z

29

Braking system  

DOE Patents (OSTI)

A balanced braking system comprising a plurality of braking assemblies located about a member to be braked. Each of the braking assemblies consists of a spring biased piston of a first material fitted into a body of a different material which has a greater contraction upon cooling than the piston material. The piston is provided with a recessed head portion over which is positioned a diaphragm and forming a space therebetween to which is connected a pressurized fluid supply. The diaphragm is controlled by the fluid in the space to contact or withdraw from the member to be braked. A cooling means causes the body within which the piston is fitted to contract more than the piston, producing a tight shrink fit therebetween. The braking system is particularly applicable for selectively braking an arbor of an electron microscope which immobilizes, for example, a vertically adjustable low temperature specimen holder during observation. The system provides balanced braking forces which can be easily removed and re-established with minimal disturbance to arbor location.

Norgren, D.U.

1982-09-23T23:59:59.000Z

30

Computational model design and performance estimation in registration brake control  

Science Conference Proceedings (OSTI)

Electric motorcycles are applicable to both toys and real motorcycles, and also is a reference for constructing larger electrical vehicles. A design computational model of regenerative braking control of electric motorcycles and an experimental identification ...

P. S. Pa; S. C. Chang

2009-06-01T23:59:59.000Z

31

Electric vehicle regenerative antiskid braking and traction ...  

Patent Number: 5,450,324: Issued: September 12, 1995: Official Filing: View the Complete Patent at the US Patent & Trademark Office: Lab: Idaho ...

32

Feasibility Study Of Advanced Technology Hov Systems: Volume 2b: Emissions Impact Of Roadway-powered Electric Buses, Light-duty Vehicles, And Automobiles  

E-Print Network (OSTI)

of 20 mph. Regenerative braking affects energy consumptionenergy consumption is significantly affected by both the driving cycle, and to some extent, regenerative

Miller, Mark A.; Dato, Victor; Chira-chavala, Ted

1992-01-01T23:59:59.000Z

33

Annual Progress Report for Advanced Vehicle Technology Analysis...  

NLE Websites -- All DOE Office Websites (Extended Search)

can expect, fuel economy gains are greater for driving cycles that have a high level of regenerative braking energy available (the Federal Urban Driving Schedule, or FUDS) and...

34

King County Metro Transit. Advanced Technology Vehicles in Service...  

NLE Websites -- All DOE Office Websites (Extended Search)

of General Motors A: The energy storage system supplies electricity to the E V 50 Drive's electric motors. It stores electricity during normal operation and regenerative braking....

35

Vehicle brake testing system  

SciTech Connect

This invention relates to a force measuring system capable of measuring forces associated with vehicle braking and of evaluating braking performance. The disclosure concerns an invention which comprises a first row of linearly aligned plates, a force bearing surface extending beneath and beside the plates, vertically oriented links and horizontally oriented links connecting each plate to a force bearing surface, a force measuring device in each link, a transducer coupled to each force measuring device, and a computing device coupled to receive an output signal from the transducer indicative of measured force in each force measuring device. The present invention may be used for testing vehicle brake systems.

Stevens, Samuel S [Harriman, TN; Hodgson, Jeffrey W [Lenoir City, TN

2002-11-19T23:59:59.000Z

36

Lightweight pressure vessels and unitized regenerative fuel cells  

DOE Green Energy (OSTI)

Energy storage systems have been designed using lightweight pressure vessels with unitized regenerative fuel cells (URFCs). The vessels provide a means of storing reactant gases required for URFCs; they use lightweight bladder liners that act as inflatable mandrels for composite overwrap and provide a permeation barrier. URFC systems have been designed for zero emission vehicles (ZEVs); they are cost competitive with primary FC powered vehicles that operate on H/air with capacitors or batteries for power peaking and regenerative braking. URFCs are capable of regenerative braking via electrolysis and power peaking using low volume/low pressure accumulated oxygen for supercharging the power stack. URFC ZEVs can be safely and rapidly (<5 min.) refueled using home electrolysis units. Reversible operation of cell membrane catalyst is feasible without significant degradation. Such systems would have a rechargeable specific energy > 400 Wh/kg.

Mitlitsky, F.; Myers, B.; Weisberg, A.H.

1996-09-06T23:59:59.000Z

37

Svendborg Brakes | Open Energy Information  

Open Energy Info (EERE)

energy Product Denmark-based manufacturer of braking systems for the wind industry, as well as for the oil sector. References Svendborg Brakes1 LinkedIn Connections CrunchBase...

38

Computational Fluid Dynamic Simulations of a Regenerative Process...  

NLE Websites -- All DOE Office Websites (Extended Search)

Fluid Dynamic Simulations of a Regenerative Process for Carbon Dioxide Capture in Advanced Gasification Based Power Systems Background The Department of Energy (DOE) National...

39

Mechanical and Regenerative Braking Integration for a Hybrid Electric Vehicle.  

E-Print Network (OSTI)

??Hybrid electric vehicle technology has become a preferred method for the automotive industry to reduce environmental impact and fuel consumption of their vehicles. Hybrid electric… (more)

DeMers, Steven Michael

2008-01-01T23:59:59.000Z

40

Investigation of aerodynamic braking devices for wind turbine applications  

DOE Green Energy (OSTI)

This report documents the selection and preliminary design of a new aerodynamic braking system for use on the stall-regulated AWT-26/27 wind turbines. The goal was to identify and design a configuration that offered improvements over the existing tip brake used by Advanced Wind Turbines, Inc. (AWT). Although the design objectives and approach of this report are specific to aerodynamic braking of AWT-26/27 turbines, many of the issues addressed in this work are applicable to a wider class of turbines. The performance trends and design choices presented in this report should be of general use to wind turbine designers who are considering alternative aerodynamic braking methods. A literature search was combined with preliminary work on device sizing, loads and mechanical design. Candidate configurations were assessed on their potential for benefits in the areas of cost, weight, aerodynamic noise, reliability and performance under icing conditions. As a result, two configurations were identified for further study: the {open_quotes}spoiler-flap{close_quotes} and the {open_quotes}flip-tip.{close_quotes} Wind tunnel experiments were conducted at Wichita State University to evaluate the performance of the candidate aerodynamic brakes on an airfoil section representative of the AWT-26/27 blades. The wind tunnel data were used to predict the braking effectiveness and deployment characteristics of the candidate devices for a wide range of design parameters. The evaluation was iterative, with mechanical design and structural analysis being conducted in parallel with the braking performance studies. The preliminary estimate of the spoiler-flap system cost was $150 less than the production AWT-26/27 tip vanes. This represents a reduction of approximately 5 % in the cost of the aerodynamic braking system. In view of the preliminary nature of the design, it would be prudent to plan for contingencies in both cost and weight.

Griffin, D.A. [R. Lynette & Associates, Seattle, WA (United States)

1997-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

2008 Advanced Vehicle Technology Analysis and Evaluation Activities...  

NLE Websites -- All DOE Office Websites (Extended Search)

10 Figure 11. Distribution of Charging Peak Power per Trip However, what matters for the regenerative braking events is the percentage of energy that can be recuperated. Figure 12...

42

Commercial Motor Vehicle Brake Assessment Tools  

E-Print Network (OSTI)

Commercial Motor Vehicle Brake Assessment Tools Commercial Motor Vehicle Roadside Technology Corridor Safety Technology Showcase October 14, 2010 Commercial Motor Vehicle Roadside Technology Corridor #12;Overview · Commercial Motor Vehicle (CMV) Air Brake System · North American Standard Level-1

43

Application and Practice of Regenerative Combustion Technology ...  

Science Conference Proceedings (OSTI)

Regenerative Combustion burning alternative to traditional flow control system is ... that regenerative combustion have many advantage in energy conservation ...

44

CMV Brake Wear and Performance Test Little is known about the brake  

E-Print Network (OSTI)

inspections were due to brake defects. Additionally, brake maintenance and repair present a significant cost Center for Transportation Analysis (CTA) Research Areas Aviation Safety Air Traffic Management Analysis Environmental Policy Analysis Highway Safety Intelligent Transportation Systems Logistics Management Supply

45

Improved braking torque generation capacity of an eddy current brake with time varying magnetic fields: A numerical study  

Science Conference Proceedings (OSTI)

Eddy current brakes (ECB) are electrically controlled and non-contact actuators used as assistive brakes in vehicles. ECBs exhibit insufficient generated braking torque at low speeds. In order to overcome this, the use of AC magnetic fields with fixed ... Keywords: Automotive applications, Brake-by-wire, Eddy current brakes, Finite element analysis, Time-varying magnetic field

Kerem Karakoc; Edward J. Park; Afzal Suleman

2012-10-01T23:59:59.000Z

46

Regenerative air heater  

DOE Patents (OSTI)

A gas-cooled steel skirt is used to support a refractory cored brick matrix and dome structure in a high temperature regenerative air heater useful in magnetohydrodynamic power generation. The steel skirt thermally expands to accommodate the thermal expansion of the dome structure despite substantial temperature differential thereby reducing relative movement between the dome bricks. Gas cooling of the steel skirt allows the structure to operate above its normal temperature during clean-out cycles and also allows for the control of the thermal expansion of the steel skirt.

Hasselquist, Paul B. (Maple Grove, MN); Baldner, Richard (Minnetonka, MN)

1982-01-01T23:59:59.000Z

47

REGENERATIVE TRANSISTOR AMPLIFIER  

DOE Patents (OSTI)

Electrical circults for use in computers and the like are described. particularly a regenerative bistable transistor amplifler which is iurned on by a clock signal when an information signal permits and is turned off by the clock signal. The amplifier porforms the above function with reduced power requirements for the clock signal and circuit operation. The power requirements are reduced in one way by employing transformer coupling which increases the collector circuit efficiency by eliminating the loss of power in the collector load resistor.

Kabell, L.J.

1958-11-25T23:59:59.000Z

48

Regenerative air heater  

DOE Patents (OSTI)

A gas-cooled steel skirt is used to support a refractory cored brick matrix and dome structure in a high temperature regenerative air heater useful in magnetohydrodynamic power generation. The steel skirt thermally expands to accommodate the thermal expansion of the dome structure despite substantial temperature differential thereby reducing relative movement between the dome bricks. Gas cooling of the steel skirt allows the structure to operate above its normal temperature during clean-out cycles and also allows for the control of the thermal expansion of the steel skirt.

Hasselquist, P.B.; Baldner, R.

1980-11-26T23:59:59.000Z

49

Commercial Motor Vehicle Brake-Related Research  

E-Print Network (OSTI)

Commercial Motor Vehicle Brake-Related Research Commercial Motor Vehicle Roadside Technology Corridor Safety Technology Showcase October 14, 2010 Commercial Motor Vehicle Roadside Technology Corridor

50

Ring regenerative laser amplifier  

DOE Patents (OSTI)

This invention consists of an efficient, high gain, compact regenerative amplifier that amplifies a seed pulse of laser energy to produce an amplified pulse of greater energy. The amplifier is useful for amplifying seed pulses having a broad bandwidth or in situations where tunability is necessary. The amplifier has high gain while maintaining high pulse contrast. A seed pulse can be amplified to the saturation fluence while maintaining a high contrast (>10[sup 3]). The regenerative amplifier has an optical cavity in a ring configuration, a gain material positioned in the cavity, a polarization-rotating element positioned in the cavity to rotate the polarization of the pulse upon each pass around the cavity, means for inserting the seed pulse into the cavity, and means for removing the polarization-rotated, amplified pulse from the cavity. In some embodiments, the seed pulse is switched in passively, by a selective polarization, and is switched out after a predetermined number of passes around the ring cavity. This completely passive arrangement avoids possibility of switchout failure, and minimizes the ASE problem. In other embodiments, a selectively actuable switch, such as electro-optic element, may be provided within the ring cavity, to switch-in the seed pulse and switch-out the amplified pulse. The electro-optic element may be actuated with a square wave that has a peak voltage equal to the half-wave voltage of the electro-optic crystal.

Perry, M.D.; Patterson, F.G.

1991-01-01T23:59:59.000Z

51

Ring regenerative laser amplifier  

DOE Patents (OSTI)

This invention consists of an efficient, high gain, compact regenerative amplifier that amplifies a seed pulse of laser energy to produce an amplified pulse of greater energy. The amplifier is useful for amplifying seed pulses having a broad bandwidth or in situations where tunability is necessary. The amplifier has high gain while maintaining high pulse contrast. A seed pulse can be amplified to the saturation fluence while maintaining a high contrast (>10{sup 3}). The regenerative amplifier has an optical cavity in a ring configuration, a gain material positioned in the cavity, a polarization-rotating element positioned in the cavity to rotate the polarization of the pulse upon each pass around the cavity, means for inserting the seed pulse into the cavity, and means for removing the polarization-rotated, amplified pulse from the cavity. In some embodiments, the seed pulse is switched in passively, by a selective polarization, and is switched out after a predetermined number of passes around the ring cavity. This completely passive arrangement avoids possibility of switchout failure, and minimizes the ASE problem. In other embodiments, a selectively actuable switch, such as electro-optic element, may be provided within the ring cavity, to switch-in the seed pulse and switch-out the amplified pulse. The electro-optic element may be actuated with a square wave that has a peak voltage equal to the half-wave voltage of the electro-optic crystal.

Perry, M.D.; Patterson, F.G.

1991-12-31T23:59:59.000Z

52

Regenerative Fuel Cells for Energy Storage  

NLE Websites -- All DOE Office Websites (Extended Search)

11 1 Regenerative Fuel Cells for Energy Storage April 2011 Corky Mittelsteadt April 2011 2 Outline 1. Regenerative Fuel Cells at Giner 2. Regenerative Systems for Energy Storage 1....

53

Battery-Size Regenerative Fuel Cells  

ORNL 2010-G01073/jcn UT-B ID 201002378 Battery-Size Regenerative Fuel Cells Technology Summary A battery-size regenerative fuel cell with energy ...

54

Multidisciplinary design optimization of an automotive magnetorheological brake design  

Science Conference Proceedings (OSTI)

This paper presents the development of a new electromechanical brake system using magnetorheological (MR) fluid. The proposed brake system consists of rotating disks immersed in a MR fluid and enclosed in an electromagnet, where the yield stress of the ... Keywords: Automotive brake, Computational fluid dynamics, Electric brake actuator, Finite element analysis, Magnetorheological fluid, Multidisciplinary design optimization

Edward J. Park; Luis Falcão da Luz; Afzal Suleman

2008-02-01T23:59:59.000Z

55

Method and apparatus for wind turbine braking  

DOE Patents (OSTI)

A method for braking a wind turbine including at least one rotor blade coupled to a rotor. The method includes selectively controlling an angle of pitch of the at least one rotor blade with respect to a wind direction based on a design parameter of a component of the wind turbine to facilitate reducing a force induced into the wind turbine component as a result of braking.

Barbu, Corneliu (Laguna Hills, CA); Teichmann, Ralph (Nishkayuna, NY); Avagliano, Aaron (Houston, TX); Kammer, Leonardo Cesar (Niskayuna, NY); Pierce, Kirk Gee (Simpsonville, SC); Pesetsky, David Samuel (Greenville, SC); Gauchel, Peter (Muenster, DE)

2009-02-10T23:59:59.000Z

56

Advanced Vehicle Testing Activity - Hybrid Electric Vehicle and...  

NLE Websites -- All DOE Office Websites (Extended Search)

max speed, braking, & handling DOE - Advanced Vehicle Testing Activity Hybrid Electric Vehicle Testing * Fleet and accelerated reliability testing - 6 Honda Insights...

57

Laser system using regenerative amplifier  

DOE Patents (OSTI)

High energy laser system using a regenerative amplifier, which relaxes all constraints on laser components other than the intrinsic damage level of matter, so as to enable use of available laser system components. This can be accomplished by use of segmented components, spatial filters, at least one amplifier using solid state or gaseous media, and separated reflector members providing a long round trip time through the regenerative cavity, thereby allowing slower switching and adequate time to clear the spatial filters, etc. The laser system simplifies component requirements and reduces component cost while providing high energy output.

Emmett, John L. (Pleasanton, CA)

1980-01-01T23:59:59.000Z

58

Laser system using regenerative amplifier  

DOE Patents (OSTI)

High energy laser system is disclosed using a regenerative amplifier, which relaxes all constraints on laser components other than the intrinsic damage level of matter, so as to enable use of available laser system components. This can be accomplished by use of segmented components, spatial filters, at least one amplifier using solid state or gaseous media, and separated reflector members providing a long round trip time through the regenerative cavity, thereby allowing slower switching and adequate time to clear the spatial filters, etc. The laser system simplifies component requirements and reduces component cost while providing high energy output. 10 figs.

Emmett, J.L.

1980-03-04T23:59:59.000Z

59

Regenerative Braking for an Electric Vehicle Using Ultracapacitors and a Buck-Boost Converter  

E-Print Network (OSTI)

-mail: jdixon@ing.puc.cl *University of Concepción Abstract An ultracapacitor bank control system and decelerations of the vehicle with minimal loss of energy, and minimal degradation of the main battery pack. The system uses an IGBT Buck-Boost converter, which is connected to the ultracapacitor bank at the Boost side

Rudnick, Hugh

60

A Regenerative High-Rise Tower in Shreveport, Louisiana  

E-Print Network (OSTI)

Zero Net Energy Buildings are increasingly being designed and constructed in response to the demand for sustainable buildings. But, we must now go beyond merely sustaining our environment for future generations we must provide regenerative designs that restore our natural environment. This paper will document the design of a regenerative high-rise tower in Shreveport, Louisiana, which will serve as a facility to train individuals in a non-profit organization’s renewal strategies and demonstrate by example the pedagogy of regenerative design. The 16-story structure — built in the 1950s and named the Petroleum Tower, reflecting the commodity that then ruled the local economy — was vacant and asbestos-laden when given to the non-profit Community Renewal International (CRI) in 2001. In 2006, funded by a grant from the U.S. Environmental Protection Agency, workers removed the asbestos. Through a follow up grant from the U.S. Department of Energy to support the design process of a new CRI headquarters building, the University of Texas at Austin School of Architecture completed architectural design studies for the building renewal. The principles of this new design include: day lighting, envelope configuration, building integrated photovoltaic systems, green surfaces, ventilation strategies, advanced mechanical cooling systems, regenerative elevator systems, energy management systems, water harvesting, grey water systems, trigeneration systems and a combined heating, hot water and power biodiesel plant.

Garrison, M.

2010-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Regenerative Burners Assessment in Holding Reverberatory Furnace  

Science Conference Proceedings (OSTI)

The assessment showed that the regenerative burner furnaces are not profitable in saving energy in addition to the negative impact on the furnace life.

62

Pomona, California -- Center for Regenerative Studies [Roots  

E-Print Network (OSTI)

regenerative" technologies — those that turn both self-renewing resources (such as sunlight, wind and rain) and wastes into usable food, water and energy.

Bressi, Todd W

1995-01-01T23:59:59.000Z

63

Novel Bioceramic Scaffolds for Regenerative Medicine  

Science Conference Proceedings (OSTI)

Presentation Title, Novel Bioceramic Scaffolds for Regenerative Medicine ... Composite Powder from Zro2-B2O3/B System by High-Energy Ball-Milling and ...

64

Wavelength tunable alexandrite regenerative amplifier  

Science Conference Proceedings (OSTI)

We describe a wavelength tunable alexandrite regenerative amplifier which is used to amplify nanosecond slices from a single-frequency cw dye laser or 50-ps pulses emitted by a diode laser to energies in the 10-mJ range. The amplified 5-ns slices generated by the cw-pumped line narrowed dye laser are Fourier transform limited. The 50-ps pulses emitted by a gain-switched diode laser are amplified by more than 10 orders of magnitude in a single stage.

Harter, D.J.; Bado, P.

1988-11-01T23:59:59.000Z

65

Niobium Alloying in Grey Cast Iron for Vehicle Brake Discs  

Science Conference Proceedings (OSTI)

Presentation Title, Niobium Alloying in Grey Cast Iron for Vehicle Brake Discs. Author(s) ... Microtexture Analysis of a Hot Rolled Silicon Electric Steel · Niobium

66

Investigation of a regenerative damping concept  

E-Print Network (OSTI)

This thesis presents a justification for the study of regenerative damping, a general statement of the regenerative damping problem, and a detailed analysis of a specific proposed solution to the regenerative damping problem. Improvement in the efficiency of many physical systems is realized by the incorporation of regenerative devices, and all devices which dissipate power are candidates for investigation as regenerative systems. The viscous damper is a dissipative device which may be suitable for energy regeneration and is therefore investigated as such. Regenerative damping involves storing the power normally dissipated by a passive viscous damper. This task is accomplished by constructing a system which connects an energy storing device to the device being damped. The connecting system must efficiently transfer power from the device being damped to the storage device while simultaneously meeting the operating impedance of the storage device and producing a desired damping impedance. Many physical systems can accomplish this task, and the variable linear transmission is proposed for further investigation. Mathematical, graphical, and computer models are constructed to study the variable linear transmission. These models directly indicate the control strategies necessary to operate the device as a regenerative damper. Studies of kinematic performance and efficiency of the proposed damper indicate that a strong connection exists between the goodness of the performance of the proposed device as a damper and its efficiency. Both of these issues are directly related to the strategy used in the active control of the device.Results indicate that in its ideal state, the proposed damper exactly solves the problem of regenerative damping. For the non-ideal operation of the device, which includes the effects of system actuation dynamics, the performance looks promising but will require more investigation into optimal control strategies. Overall, the prospects for realizing regenerative damping are shown to be positive, and further investigation of this subject is encouraged.

Fodor, Michael Glenn

1993-01-01T23:59:59.000Z

67

Transportation and its Infrastructure  

E-Print Network (OSTI)

systems, store regenerative braking energy and to operate2 emissions. However, regenerative braking energy cannot beas electrical energy if regenerative braking is available (

2007-01-01T23:59:59.000Z

68

Zero-Emission Vehicle Scenario Cost Analysis Using A Fuzzy Set-Based Framework  

E-Print Network (OSTI)

and to capture regenerative braking energy, or a simplerto recapture regenerative braking energy over a modestto recapture regenerative braking energy and to meet vehicle

Lipman, Timothy Edward

1999-01-01T23:59:59.000Z

69

Braking system for use with an arbor of a microscope  

DOE Patents (OSTI)

A balanced braking system comprising a plurality of braking assemblies located about a member to be braked. Each of the braking assemblies consists of a spring biased piston of a first material fitted into a body of a different material which has a greater contraction upon cooling than the piston material. The piston is provided with a recessed head portion over which is positioned a diaphragm and forming a space therebetween to which is connected a pressurized fluid supply. The diaphragm is controlled by the fluid in the space to contact or withdraw from the member to be braked. A cooling device causes the body within which the piston is fitted to contract more than the piston, producing a tight shrink fit therebetween. The braking system is particularly applicable for selectively braking an arbor of an electron microscope which immobilizes, for example, a vertically adjustable low temperature specimen holder during observation. The system provides balanced braking forces which can be easily removed and re-established with minimal disturbance to arbor location.

Norgren, Duane U. (Orinda, CA)

1984-01-01T23:59:59.000Z

70

Regen Powertech Pvt Ltd | Open Energy Information  

Open Energy Info (EERE)

Ltd Jump to: navigation, search Name Regen Powertech Pvt. Ltd. Place Chennai, Tamil Nadu, India Zip 600 006 Sector Wind energy Product Chennai-based wind turbine manufacturer that...

71

High power regenerative laser amplifier  

DOE Patents (OSTI)

A regenerative amplifier design capable of operating at high energy per pulse, for instance, from 20-100 Joules, at moderate repetition rates, for instance from 5-20 Hertz is provided. The laser amplifier comprises a gain medium and source of pump energy coupled with the gain medium; a Pockels cell, which rotates an incident beam in response to application of a control signal; an optical relay system defining a first relay plane near the gain medium and a second relay plane near the rotator; and a plurality of reflectors configured to define an optical path through the gain medium, optical relay and Pockels cell, such that each transit of the optical path includes at least one pass through the gain medium and only one pass through the Pockels cell. An input coupler, and an output coupler are provided, implemented by a single polarizer. A control circuit coupled to the Pockels cell generates the control signal in timed relationship with the input pulse so that the input pulse is captured by the input coupler and proceeds through at least one transit of the optical path, and then the control signal is applied to cause rotation of the pulse to a polarization reflected by the polarizer, after which the captured pulse passes through the gain medium at least once more and is reflected out of the optical path by the polarizer before passing through the rotator again to provide an amplified pulse.

Miller, John L. (Livermore, CA); Hackel, Lloyd A. (Livermore, CA); Dane, Clifford B. (Dublin, CA); Zapata, Luis E. (Livermore, CA)

1994-01-01T23:59:59.000Z

72

High power regenerative laser amplifier  

DOE Patents (OSTI)

A regenerative amplifier design capable of operating at high energy per pulse, for instance, from 20-100 Joules, at moderate repetition rates, for instance from 5-20 Hertz is provided. The laser amplifier comprises a gain medium and source of pump energy coupled with the gain medium; a Pockels cell, which rotates an incident beam in response to application of a control signal; an optical relay system defining a first relay plane near the gain medium and a second relay plane near the rotator; and a plurality of reflectors configured to define an optical path through the gain medium, optical relay and Pockels cell, such that each transit of the optical path includes at least one pass through the gain medium and only one pass through the Pockels cell. An input coupler, and an output coupler are provided, implemented by a single polarizer. A control circuit coupled to the Pockels cell generates the control signal in timed relationship with the input pulse so that the input pulse is captured by the input coupler and proceeds through at least one transit of the optical path, and then the control signal is applied to cause rotation of the pulse to a polarization reflected by the polarizer, after which the captured pulse passes through the gain medium at least once more and is reflected out of the optical path by the polarizer before passing through the rotator again to provide an amplified pulse. 7 figures.

Miller, J.L.; Hackel, L.A.; Dane, C.B.; Zapata, L.E.

1994-02-08T23:59:59.000Z

73

Regenerative fuel cell engineering - FY99  

Science Conference Proceedings (OSTI)

The authors report the work conducted by the ESA-EPE Fuel Cell Engineering Team at Los Alamos National Laboratory during FY99 on regenerative fuel cell system engineering. The work was focused on the evaluation of regenerative fuel cell system components obtained through the RAFCO program. These components included a 5 kW PEM electrolyzer, a two-cell regenerative fuel cell stack, and samples of the electrolyzer membrane, anode, and cathode. The samples of the electrolyzer membrane, anode, and cathode were analyzed to determine their structure and operating characteristics. Tests were conducted on the two-cell regenerative fuel cell stack to characterize its operation as an electrolyzer and as a fuel cell. The 5 kW PEM electrolyzer was tested in the Regenerative Fuel Cell System Test Facility. These tests served to characterize the operation of the electrolyzer and, also, to verify the operation of the newly completed test facility. Future directions for this work in regenerative fuel cell systems are discussed.

Michael A. Inbody; Rodney L. Borup; James C. Hedstrom; Jose Tafoya; Byron Morton; Lois Zook; Nicholas E. Vanderborgh

2000-01-01T23:59:59.000Z

74

WIDE BAND REGENERATIVE FREQUENCY DIVIDER AND MULTIPLIER  

DOE Patents (OSTI)

A regenerative frequency divider and multiplier having wide band input characteristics is presented. The circuit produces output oscillations having frequencies related by a fixed ratio to input oscillations over a wide band of frequencies. In accomplishing this end, the divider-multiplier includes a wide band input circuit coupled by mixer means to a wide band output circuit having a pass band related by a fixed ratio to that of the input circuit. A regenerative feedback circuit derives a fixed frequency ratio feedback signal from the output circuit and applies same to the mixer means in proper phase relation to sustain fixed frequency ratio oscillations in the output circuit.

Laine, E.F.

1959-11-17T23:59:59.000Z

75

Dynamic reconfiguration in sensor networks with regenerative energy sources  

Science Conference Proceedings (OSTI)

In highly power constrained sensor networks, harvesting energy from the environment makes prolonged or even perpetual execution feasible. In such energy harvesting systems, energy sources are characterized as being regenerative. Regenerative energy sources ...

Ani Nahapetian; Paolo Lombardo; Andrea Acquaviva; Luca Benini; Majid Sarrafzadeh

2007-04-01T23:59:59.000Z

76

ESS 2012 Peer Review - Novel Regenerative Fuel Cells based on...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

l R ti F l C ll b d A i E h M b f Novel Regenerative Fuel Cells based on Anion Exchange Membranes for Novel Regenerative Fuel Cells based on Anion Exchange Membranes for g g...

77

Vehicle Technologies Office: FY 2007 Progress Report for Advanced...  

NLE Websites -- All DOE Office Websites (Extended Search)

meet future Federal emissions regulations. The primary goal of the Advanced Combustion Engine R&D Sub-Program is to improve the brake thermal efficiency of internal combustion...

78

Assessment of the Greenhouse Gas Emission Reduction Potential of Ultra-Clean Hybrid-Electric Vehicles  

E-Print Network (OSTI)

and to recover energy during regenerative braking. Theunituse of regenerative braking. 4.3 Pulse Power Energy Storage

Burke, A.F.; Miller, M.

1997-01-01T23:59:59.000Z

79

Batteries for Plug-in Hybrid Electric Vehicles (PHEVs): Goals and the State of Technology circa 2008  

E-Print Network (OSTI)

and from regenerative braking, and passes energy to theor from regenerative braking and uses the energy in the

Axsen, Jonn; Burke, Andy; Kurani, Kenneth S

2008-01-01T23:59:59.000Z

80

Solar powered unitized regenerative fuel cell system  

Science Conference Proceedings (OSTI)

Solar hydrogen system is a unique power system that can meet the power requirement for the energy future demand, in such a system the hydrogen used to be the energy carrier which can produced through electrolysis by using the power from the PV during ... Keywords: electrolyzer, fuel cell, hydrogen, photovoltaic, regenerative, solar hydrogen system

Salwan S. Dihrab; , Kamaruzzaman Sopian; Nowshad Amin; M. M. Alghoul; Azami Zaharim

2008-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Injection Timing Effects on Brake Fuel Conversion Efficiency and Engine System's Respones  

E-Print Network (OSTI)

Societal concerns on combustion-based fuel consumption are ever-increasing. With respect to internal combustion engines, this translates to a need to increase brake fuel conversion efficiency (BFCE). Diesel engines are a relatively efficient internal combustion engine to consider for numerous applications, but associated actions to mitigate certain exhaust emissions have generally deteriorated engine efficiency. Conventionally, diesel engine emission control has centered on in-cylinder techniques. Although these continue to hold promise, the industry trend is presently favoring the use of after-treatment devices which create new opportunities to improve the diesel engine's brake fuel conversion efficiency. This study focuses on injection timing effects on the combustion processes, engine efficiency, and the engine system's responses. The engine in the study is a medium duty diesel engine (capable of meeting US EPA Tier III off road emission standards) equipped with common rail direct fuel injection, variable geometry turbo charging, and interfaced with a custom built engine controller. The study found that injection timing greatly affected BFCE by changing the combustion phasing. BFCE would increase up to a maximum then begin to decrease as phasing became less favorable. Combustion phasing would change from being mostly mixing controlled combustion to premixed combustion as injection timing would advance allowing more time for fuel to mix during the ignition delay. Combustion phasing, in turn, would influence many other engine parameters. As injection timing is advanced, in-cylinder temperatures and pressures amplify, and intake and exhaust manifold pressures deteriorate. Rate of heat release and rate of heat transfer increase when injection timing is advanced. Turbocharger speed falls with the advancing injection timing. Torque, however, rose to a maximum then fell off again even though engine speed and fueling rate were held constant between different injection timings. Interestingly, the coefficient of heat transfer changes from a two peak curve to a smooth one peak curve as the injection timing is advanced further. The major conclusion of the study is that injection advance both positively and negatively influences the diesel engine's response which contributes to the brake fuel conversion efficiency.

McLean, James Elliott

2011-08-01T23:59:59.000Z

82

Maass Regenerative Energien GmbH founders | Open Energy Information  

Open Energy Info (EERE)

Maass Regenerative Energien GmbH founders Maass Regenerative Energien GmbH founders Jump to: navigation, search Name Maass Regenerative Energien GmbH founders Place Wesel, Germany Sector Solar Product Founders of the Wesel-based solar project company. References Maass Regenerative Energien GmbH founders[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Maass Regenerative Energien GmbH founders is a company located in Wesel, Germany . References ↑ "[ Maass Regenerative Energien GmbH founders]" Retrieved from "http://en.openei.org/w/index.php?title=Maass_Regenerative_Energien_GmbH_founders&oldid=348555" Categories: Clean Energy Organizations Companies Organizations Stubs What links here

83

Low-temperature thermally regenerative electrochemical system  

DOE Patents (OSTI)

A thermally regenerative electrochemical system is described including an electrochemical cell with two water-based electrolytes separated by an ion exchange membrane, at least one of the electrolytes containing a complexing agent and a salt of a multivalent metal whose respective order of potentials for a pair of its redox couples is reversible by a change in the amount of the ocmplexing agent in the electrolyte, the complexing agent being removable by distillation to cause the reversal.

Loutfy, R.O.; Brown, A.P.; Yao, N.P.

1982-04-21T23:59:59.000Z

84

A solar regenerative thermoelectrochemical converter (RTEC)  

DOE Green Energy (OSTI)

This is an executive summary of a final subcontract report that describes the successful completion of a closed-loop demonstration of a regenerative thermoelectromechanical device using solar heat input for the production of electricity. The full report, which contains a detailed description of the two-year effort, is currently subject to a government secrecy order which precludes public release of the information. Copies of the full report will be made available for general release whenever the secrecy order is lifted.

Townsend, C.W.; McHardy, J. (Hughes Aircraft Co., El Segundo, CA (United States))

1992-02-01T23:59:59.000Z

85

Shannon capacity of nonlinear regenerative channels  

E-Print Network (OSTI)

We compute Shannon capacity of nonlinear channels with regenerative elements. Conditions are found under which capacity of such nonlinear channels is higher than the Shannon capacity of the classical linear additive white Gaussian noise channel. We develop a general scheme for designing the proposed channels and apply it to the particular nonlinear sine-mapping. The upper bound for regeneration efficiency is found and the asymptotic behavior of the capacity in the saturation regime is derived.

Sorokina, M A

2013-01-01T23:59:59.000Z

86

Gearing Up for Electric Cars  

E-Print Network (OSTI)

half the energy lost during braking (regenerative braking),regenerative braking energ~ durmg de- celeration A fl)wheel stores energy

Sperling, Daniel

1994-01-01T23:59:59.000Z

87

Oxygen-Diffused Titanium as a Candidate Brake Rotor Material  

SciTech Connect

Titanium alloys are one of several candidate materials for the next generation of truck disk brake rotors. Despite their advantages of lightweight relative to cast iron and good strength and corrosion resistance, titanium alloys are unlikely to be satisfactory brake rotor materials unless their friction and wear behavior can be significantly improved. In this study, a surface engineering process oxygen diffusion was applied to titanium rotors and has shown very encouraging results. The oxygen diffused Ti-6Al-4V (OD-Ti) was tested on a sub-scale brake tester against a flat block of commercial brake lining material and benchmarked against several other Ti-based materials, including untreated Ti-6Al-4V, ceramic particle-reinforced Ti composites (MMCs), and a thermal-spray-coated Ti alloy. With respect to friction, the OD-Ti outperformed all other candidate materials under the imposed test conditions with the friction coefficient remaining within a desirable range of 0.35-0.50, even under the harshest conditions when the disk surface temperature reached nearly 600 ?C. In addition, the OD-Ti showed significantly improved wear-resistance over the non-treated one and was even better than the Ti-based composite materials.

Qu, Jun [ORNL; Blau, Peter Julian [ORNL; Jolly, Brian C [ORNL

2009-01-01T23:59:59.000Z

88

Numerical simulation of microwave absorption of regenerative heat ...  

Science Conference Proceedings (OSTI)

The regenerative heat exchanger has a good absorption when the mullite refractory .... Point Alloys and Refractory Compounds with Its Own Chemical Energy.

89

Vehicular hydrogen storage using lightweight tanks (regenerative fuel cell systems)  

DOE Green Energy (OSTI)

Energy storage systems with extremely high specific energy (>400 Wh/kg) have been designed that use lightweight tankage to contain the gases generated by reversible (unitized) regenerative fuel cells (URFCs). Lawrence Livermore National Laboratory (LLNL) will leverage work for aerospace applications supported by other sponsors (including BMDO, NASA, and USAF) to develop URFC systems for transportation and utility applications. Lightweight tankage is important for primary fuel cell powered vehicles that use on-board storage of hydrogen. Lightweight pressure vessels with state-of-the-art performance factors were designed, and prototypes are being fabricated to meet the DOE 2000 goals (4000 Wh/kg, 12% hydrogen by weight, 700 Wh/liter, and $20/kWh in high volume production). These pressure vessels use technologies that are easily adopted by industrial partners. Advanced liners provide permeation barriers for gas storage and are mandrels for composite overwrap. URFCs are important to the efficient use of hydrogen as a transportation fuel and enabler of renewable energy. H{sub 2}/halogen URFCs may be advantageous for stationary applications whereas H{sub 2}/O{sub 2} or H{sub 2}/air URFCs are advantageous for vehicular applications. URFC research and development is required to improve performance (efficiency), reduce catalyst loading, understand engineering operation, and integrate systems. LLNL has the experimental equipment and advanced URFC membrane electrode assemblies (some with reduced catalyst loading) for evaluating commercial hardware (not funded by DOE in FY1999).

Mitlitsky, F; Myers, B; Weisberg, A H

1999-06-01T23:59:59.000Z

90

International Assessment of Electric-Drive Vehicles: Policies, Markets, and Technologies  

E-Print Network (OSTI)

the vehmle allows regenerative brakmg energy to be captured,and to capture regenerative braking energy, or a simplerto recapture regenerative braking energy. ¯ motor-asstst

Sperling, Daniel; Lipman, Timothy

2003-01-01T23:59:59.000Z

91

Optimum Performance of Direct Hydrogen Hybrid Fuel Cell Vehicles  

E-Print Network (OSTI)

such that regenerative braking energy can be efficientlyto recovering energy by regenerative braking. This increaseis to recover energy while decelerating through regenerative

Zhao, Hengbing; Burke, Andy

2009-01-01T23:59:59.000Z

92

Multiple excitation regenerative amplifier inertial confinement system  

DOE Patents (OSTI)

The invention relates to apparatus and methods for producing high intensity laser radiation generation which is achieved through an optical amplifier-storage ring design. One or two synchronized, counterpropagating laser pulses are injected into a regenerative amplifier cavity and amplified by gain media which are pumped repetitively by electrical or optical means. The gain media excitation pulses are tailored to efficiently amplify the laser pulses during each transit. After the laser pulses have been amplified to the desired intensity level, they are either switched out of the cavity by some switch means, as for example an electro-optical device, for any well known laser end uses, or a target means may be injected into the regenerative amplifier cavity in such a way as to intercept simultaneously the counterpropagating laser pulses. One such well known end uses to which this invention is intended is for production of high density and temperature plasmas suitable for generating neutrons, ions and x-rays and for studying matter heated by high intensity laser radiation. 11 figs.

George, V.E.; Haas, R.A.; Krupke, W.F.; Schlitt, L.G.

1980-05-27T23:59:59.000Z

93

Multiple excitation regenerative amplifier inertial confinement system  

DOE Patents (OSTI)

The invention relates to apparatus and methods for producing high intensity laser radiation generation which is achieved through an optical amplifier-storage ring design. One or two synchronized, counterpropagating laser pulses are injected into a regenerative amplifier cavity and amplified by gain media which are pumped repetitively by electrical or optical means. The gain media excitation pulses are tailored to efficiently amplify the laser pulses during each transit. After the laser pulses have been amplified to the desired intensity level, they are either switched out of the cavity by some switch means, as for example an electro-optical device, for any well known laser end uses, or a target means may be injected into the regenerative amplifier cavity in such a way as to intercept simultaneously the counterpropagating laser pulses. One such well known end uses to which this invention is intended is for production of high density and temperature plasmas suitable for generating neutrons, ions and x-rays and for studying matter heated by high intensity laser radiation.

George, Victor E. (Livermore, CA); Haas, Roger A. (Pleasanton, CA); Krupke, William F. (Pleasanton, CA); Schlitt, Leland G. (Livermore, CA)

1980-01-01T23:59:59.000Z

94

Heavy and Overweight Vehicle Brake Testing: Five-Axle Combination Tractor-Flatbed Final Report  

Science Conference Proceedings (OSTI)

The Federal Motor Carrier Safety Administration, in coordination with the Federal Highway Administration, sponsored the Heavy and Overweight Vehicle Brake Testing (HOVBT) program in order to provide information about the effect of gross vehicle weight (GVW) on braking performance. Because the Federal Motor Carrier Safety Regulations limit the number of braking system defects that may exist for a vehicle to be allowed to operate on the roadways, the examination of the effect of brake defects on brake performance for increased loads is also relevant. The HOVBT program seeks to provide relevant information to policy makers responsible for establishing load limits, beginning with providing test data for a combination tractor/trailer. This testing was conducted on a five-axle combination vehicle with tractor brakes meeting the Reduced Stopping Distance requirement rulemaking. This report provides a summary of the testing activities, the results of various analyses of the data, and recommendations for future research. Following a complete brake rebuild, instrumentation, and brake burnish, stopping tests were performed from 20 and 40 mph with various brake application pressures (15 psi, 25 psi, 35 psi, 45 psi, 55 psi, and full system pressure). These tests were conducted for various brake conditions at the following GVWs: 60,000, 80,000, 91,000, 97,000, 106,000, and 116,000 lb. The 80,000-lb GVWs included both balanced and unbalanced loads. The condition of the braking system was also varied. To introduce these defects, brakes (none, forward drive axle, or rear trailer axle) were made inoperative. In addition to the stopping tests, performance-based brake tests were conducted for the various loading and brake conditions. Analysis of the stopping test data showed the stopping distance to increase with load (as expected) and also showed that more braking force was generated by the drive axle brakes than the trailer axle brakes. The constant-pressure stopping test data revealed a linear relationship between brake application pressure and was used to develop an algorithm to normalize stopping data for weight and initial speed.

Lascurain, Mary Beth [ORNL] ORNL; Capps, Gary J [ORNL] ORNL; Franzese, Oscar [ORNL] ORNL

2013-10-01T23:59:59.000Z

95

Application of Regenerative Combustion Technology on Reheating Furnace in PISCO  

Science Conference Proceedings (OSTI)

The key features of the regenerative combustion technology were introduced and its application in the reheating furnace of Rail & Beam plant of PISCO£¨Panzhihua Iron & Steel Co.£©was discussed£®Comparedwith the traditional combustion technology£¬the ... Keywords: Regenerative Style, Combustion Technology, Reheating Furnace, Energy Conservation

Chen Yong; Pan Hong; Xue Nianfu

2011-02-01T23:59:59.000Z

96

Energy Efficiency in Heavy Vehicle Tires, Drivetrains, and Braking Systems  

DOE Green Energy (OSTI)

This document was prepared to support the primary goals of the Department of Energy, Office of Heavy Vehicle Technologies. These were recently stated as follows: ''Develop by 2004 the enabling technologies for a class 7-8 truck with a fuel efficiency of 10 mpg (at 65 mph) which will meet prevailing emission standards. For Class 3-6 trucks operating on an urban driving cycle, develop by 2004 commercially viable vehicles that achieve at least double the fuel economy of comparable current vehicles (1999), and as a research goal, reduce criteria pollutants to 30% below EPA standards. Develop by 2004 the diesel engine enabling technologies to support large-scale industry dieselization of Class 1 and 2 trucks, achieving a 35 % fuel efficiency improvement over comparable gasoline-fueled trucks, while meeting applicable emissions standards.'' The enabling technologies for improving the fuel efficiency of trucks, include not only engine technologies but also technologies involved with lowering the rolling resistance of tires, reducing vehicle aerodynamic drag, improving thermal management, and reducing parasitic frictional losses in drive train components. Opportunities also exist for making better use of the energy that might ordinarily be dissipated during vehicle braking. Braking systems must be included in this evaluation since safety in truck operations is vital, and braking requirements are greater for vehicles having lowered resistance to rolling. The Office of Heavy Vehicle Technologies has initiated a program to improve the aerodynamics of heavy vehicles through wind tunnel testing, computational modeling, and on-road evaluations. That activity is described in a separate multi-year plan; therefore, emphasis in this document will be on tires, drive trains, and braking systems. Recent, dramatic fluctuations in diesel fuel prices have emphasized the importance of effecting savings in truck fuel economy by implementing new component designs and materials.

Peter J. Blau

2000-04-26T23:59:59.000Z

97

Assumptions to the Annual Energy Outlook 2002 - Transportation...  

Annual Energy Outlook 2012 (EIA)

no on-board fuel reformers), or if the vehicle has ZEV-like equipment on-board such as regenerative braking, advanced batteries, or an advanced electric drivetrain. An emission...

98

New Regenerative Cycle for Vapor Compression Refrigeration  

Office of Scientific and Technical Information (OSTI)

SCIENTIFIC REPORT SCIENTIFIC REPORT Title Page Project Title: New Regenerative Cycle for Vapor Compression Refrigeration DOE Award Number: DE-FG36-04GO14327 Document Title: Final Scientific Report Period Covered by Report: September 30, 2004 to September 30, 2005 Name and Address of Recipient Organization: Magnetic Development, Inc., 68 Winterhill Road, Madison, CT 06443, phone: 203-214-7247, fax: 203-421-7948, e-mail: mjb1000@aol.com Contact Information: Mark J. Bergander, Ph.D., P.E., Principal Investigator, phone: 203-214-7247, fax: 203-421-7948, e-mail: mjb1000@aol.com Project Objective (as stated in the proposal): The main objective of this project is to confirm on a well-instrumented prototype the theoretically derived claims of higher efficiency and coefficient

99

Brake rotor design and comparison using finite element analysis : an investigation in topology optimization.  

E-Print Network (OSTI)

??Disc brake technology used for mountain bikes, and mountain bike technology in general, has improved significantly as the sport of mountain biking has evolved. Disc… (more)

Domond, Kenneth

2010-01-01T23:59:59.000Z

100

Numerical Simulation of Brake Discs of CRH3 High-Speed Trains ...  

Science Conference Proceedings (OSTI)

... the research object?the course of emergency brake was simulated by ANSYS. .... Energy X-Ray Diffraction Microscopy Studies of Bulk Polycrystal Responses.

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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101

Integrated Modular Propulsion and Regenerative Electro-energy Storage System (IMPRESS) for small satellites  

DOE Green Energy (OSTI)

The IMPRESS is a significant advancement in space system technology as it is able to operate alternately as a fuel cell to produce electrical power from stored hydrogen and oxygen and as a water electrolyzer using electrical power to produce hydrogen and oxygen from stored water. The electrolysis of a controllable fraction of stored water can provide high Isp rocket propellants on demand. The heart of the IMPRESS is the Unitized Regenerative Fuel Cell (URFC), which produces power and electrolytically regenerates its reactants using a single stack of reversible cells. This integrated approach has several significant advantages over separate (battery) power and propulsion systems.

Mitlitsky, F. [Lawrence Livermore National Lab., CA (United States); de Groot, W. [Nyma, Inc., Brook Park, OH (United States); Butler, L.; McElroy, J. [United Technologies Corp., Windsor Locks, CT (United States). Hamilton Standard Div.

1996-09-01T23:59:59.000Z

102

A New Absorption Cycle: The Single-Effect Regenerative Absoprtion Refrigeration Cycle  

E-Print Network (OSTI)

REGENERATIVE ABSORPTION REFRIGERATION CYCLE ABSTRACT A new absorption cycle , using heat as the energy

Dao, K.

2011-01-01T23:59:59.000Z

103

New Regenerative Cycle for Vapor Compression Refrigeration  

SciTech Connect

The main objective of this project is to confirm on a well-instrumented prototype the theoretically derived claims of higher efficiency and coefficient of performance for geothermal heat pumps based on a new regenerative thermodynamic cycle as comparing to existing technology. In order to demonstrate the improved performance of the prototype, it will be compared to published parameters of commercially available geothermal heat pumps manufactured by US and foreign companies. Other objectives are to optimize the design parameters and to determine the economic viability of the new technology. Background (as stated in the proposal): The proposed technology closely relates to EERE mission by improving energy efficiency, bringing clean, reliable and affordable heating and cooling to the residential and commercial buildings and reducing greenhouse gases emission. It can provide the same amount of heating and cooling with considerably less use of electrical energy and consequently has a potential of reducing our nations dependence on foreign oil. The theoretical basis for the proposed thermodynamic cycle was previously developed and was originally called a dynamic equilibrium method. This theory considers the dynamic equations of state of the working fluid and proposes the methods for modification of T-S trajectories of adiabatic transformation by changing dynamic properties of gas, such as flow rate, speed and acceleration. The substance of this proposal is a thermodynamic cycle characterized by the regenerative use of the potential energy of two-phase flow expansion, which in traditional systems is lost in expansion valves. The essential new features of the process are: (1) The application of two-step throttling of the working fluid and two-step compression of its vapor phase. (2) Use of a compressor as the initial step compression and a jet device as a second step, where throttling and compression are combined. (3) Controlled ratio of a working fluid at the first and second step of compression. In the proposed system, the compressor compresses the vapor only to 50-60% of the final pressure, while the additional compression is provided by a jet device using internal potential energy of the working fluid flow. Therefore, the amount of mechanical energy required by a compressor is significantly reduced, resulting in the increase of efficiency (either COP or EER). The novelty of the cycle is in the equipment and in the way the multi-staging is accomplished. The anticipated result will be a new refrigeration system that requires less energy to accomplish a cooling task. The application of this technology will be for more efficient designs of: (1) Industrial chillers, (2) Refrigeration plants, (3) Heat pumps, (4) Gas Liquefaction plants, (5) Cryogenic systems.

Mark J. Bergander

2005-08-29T23:59:59.000Z

104

Biocompatibility and toxicity of magnetic nanoparticles in regenerative medicine  

Science Conference Proceedings (OSTI)

Regenerative medicine is a pioneering field aimed at restoring and regenerating the function of damaged cells, organs and tissues in order to establish normal function. It demands the cross communication of disciplines to develop effective therapeutic ...

H. Markides; M. Rotherham; A. J. El Haj

2012-01-01T23:59:59.000Z

105

Tachyon cosmology, supernovae data, and the big brake singularity  

SciTech Connect

We compare the existing observational data on type Ia supernovae with the evolutions of the Universe predicted by a one-parameter family of tachyon models which we have introduced recently [Phys. Rev. D 69, 123512 (2004)]. Among the set of the trajectories of the model which are compatible with the data there is a consistent subset for which the Universe ends up in a new type of soft cosmological singularity dubbed big brake. This opens up yet another scenario for the future history of the Universe besides the one predicted by the standard {lambda}CDM model.

Keresztes, Z.; Gergely, L. A.; Gorini, V.; Moschella, U.; Kamenshchik, A. Yu. [Department of Theoretical Physics, University of Szeged, Tisza Lajos krt 84-86, Szeged 6720 (Hungary); Department of Experimental Physics, University of Szeged, Dom Ter 9, Szeged 6720 (Hungary); Department of Theoretical Physics, University of Szeged, Tisza Lajos krt 84-86, Szeged 6720 (Hungary); Department of Experimental Physics, University of Szeged, Dom Ter 9, Szeged 6720 (Hungary); Department of Applied Science, London South Bank University, 103 Borough Road, London SE1 OAA (United Kingdom); Dipartimento di Scienze Fisiche e Mathematiche, Universita dell'Insubria, Via Valleggio 11, 22100 Como (Italy); INFN, sezione di Milano, Via Celoria 16, 20133 Milano (Italy); Dipartimento di Fisica and INFN, via Irnerio 46, 40126 Bologna (Italy); L. D. Landau Institute for Theoretical Physics, Russian Academy of Sciences, Kosygin street 2, 119334 Moscow (Russian Federation)

2009-04-15T23:59:59.000Z

106

High power, high beam quality regenerative amplifier  

DOE Patents (OSTI)

A regenerative laser amplifier system generates high peak power and high energy per pulse output beams enabling generation of X-rays used in X-ray lithography for manufacturing integrated circuits. The laser amplifier includes a ring shaped optical path with a limited number of components including a polarizer, a passive 90 degree phase rotator, a plurality of mirrors, a relay telescope, and a gain medium, the components being placed close to the image plane of the relay telescope to reduce diffraction or phase perturbations in order to limit high peak intensity spiking. In the ring, the beam makes two passes through the gain medium for each transit of the optical path to increase the amplifier gain to loss ratio. A beam input into the ring makes two passes around the ring, is diverted into an SBS phase conjugator and proceeds out of the SBS phase conjugator back through the ring in an equal but opposite direction for two passes, further reducing phase perturbations. A master oscillator inputs the beam through an isolation cell (Faraday or Pockels) which transmits the beam into the ring without polarization rotation. The isolation cell rotates polarization only in beams proceeding out of the ring to direct the beams out of the amplifier. The diffraction limited quality of the input beam is preserved in the amplifier so that a high power output beam having nearly the same diffraction limited quality is produced.

Hackel, Lloyd A. (Livermore, CA); Dane, Clifford B. (Livermore, CA)

1993-01-01T23:59:59.000Z

107

High power, high beam quality regenerative amplifier  

DOE Patents (OSTI)

A regenerative laser amplifier system generates high peak power and high energy per pulse output beams enabling generation of X-rays used in X-ray lithography for manufacturing integrated circuits. The laser amplifier includes a ring shaped optical path with a limited number of components including a polarizer, a passive 90 degree phase rotator, a plurality of mirrors, a relay telescope, and a gain medium, the components being placed close to the image plane of the relay telescope to reduce diffraction or phase perturbations in order to limit high peak intensity spiking. In the ring, the beam makes two passes through the gain medium for each transit of the optical path to increase the amplifier gain to loss ratio. A beam input into the ring makes two passes around the ring, is diverted into an SBS phase conjugator and proceeds out of the SBS phase conjugator back through the ring in an equal but opposite direction for two passes, further reducing phase perturbations. A master oscillator inputs the beam through an isolation cell (Faraday or Pockels) which transmits the beam into the ring without polarization rotation. The isolation cell rotates polarization only in beams proceeding out of the ring to direct the beams out of the amplifier. The diffraction limited quality of the input beam is preserved in the amplifier so that a high power output beam having nearly the same diffraction limited quality is produced.

Hackel, L.A.; Dane, C.B.

1993-08-24T23:59:59.000Z

108

Dual-channel Haptic Synthesis of Viscoelastic Tissue Properties using Programmable Eddy Current Brakes  

Science Conference Proceedings (OSTI)

We describe a novel method for haptic synthesis of viscoelastic responses which employs a dual-channel haptic interface. It has motors that generate torque independently of velocity and brakes that generate viscous torque independently of position. ... Keywords: eddy current brakes, haptic simulation, viscoelastic simulation

Andrew H. C. Gosline; Vincent Hayward

2009-10-01T23:59:59.000Z

109

Operation Pattern Recognition and Control for Super Capacitor Braking Energy Regeneration System of Micro EV  

Science Conference Proceedings (OSTI)

Super capacitor has some advantages of high charge-discharge rate, long life, simple structure and reliable performance, and it is especially suitable as braking energy renewable energy storage device for electric vehicle and hybrid electric vehicle. ... Keywords: Super capacitor, braking energy regeneration, micro EV, pattern recognition and control

Jinyu Qu; Liyan Liang; Zhongyu Yang

2009-12-01T23:59:59.000Z

110

Dynamic reconfiguration in sensor networks with regenerative energy sources  

E-Print Network (OSTI)

In highly power constrained sensor networks, harvesting energy from the environment makes prolonged or even perpetual execution feasible. In such energy harvesting systems, energy sources are characterized as being regenerative. Regenerative energy sources fundamentally change the problem of power scheduling for embedded devices. Instead of the problem being one of maximizing the lifetime of the system given a total amount of energy, as in traditional battery powered devices, the problem becomes one of preventing energy depletion at any given time. Coupling relatively computationally intensive applications, such as video processing applications, with the constrained FPGAs that are feasible on power constrained embedded systems, makes dynamic reconfiguration essential. It provides the speed comparable to a hardware implementation, but it also allows the dynamic reconfiguration to meet the multiple application needs of the system. Different applications can be loaded on the FPGA, as the system’s needs change over time. The problem becomes how to schedule the dynamic reconfiguration to appropriately make use of the regenerative energy source, to ensure the proper availability of energy for the system over time. In this paper, we present a methodology for carrying out dynamic reconfiguration for regenerative energy sources, based on statistical analysis of tasks and supply energy. The approach is evaluated through extensive simulations. Additionally, we have evaluated our implementation on our regenerative energy, dynamically reconfigurable prototype, known as the MicrelEye. Our approach is shown to miss 57.7 % less deadlines on average than the current approach for reconfiguration with regenerative energy sources. 1.

Ani Nahapetian; Paolo Lombardo; Andrea Acquaviva; Luca Benini; Majid Sarrafzadeh

2007-01-01T23:59:59.000Z

111

Microsoft PowerPoint - Real-Time Dynamic Brake Assessment poster.ppt [Compatibility Mode]  

NLE Websites -- All DOE Office Websites (Extended Search)

Dynamic Brake Assessment Dynamic Brake Assessment Purpose Conduct a proof-of-concept test to examine the feasibility of developing an on-board system to assess a vehicle's ability to stop based on typical low-pressure in-service braking events. Partnerships H.T. Hackney Company MGM Brakes Overview Funded through the Federal Motor Carrier Safety Administration's Vehicle and Roadside Operations Division Concept stemming from on the Department of Energy's Medium Truck Duty Cycle research as well as previous research conducted for the National Highway Transportation Safety Administration. Signals to be collected Real-time brake application pressure Vehicle speed and acceleration GPS location and grade information Vehicle weight (current load) Engine parameters such as RPM and torque To be conducted October 2010 -

112

Wind turbine trailing-edge aerodynamic brake design  

DOE Green Energy (OSTI)

This report describes the design of a centrifugally actuated aerodynamic-overspeed device for a horizontal-axis wind turbine. The device will meet the following criteria; (1) It will be effective for airfoil angles of attack 0{degrees} to 45{degrees}. (2) It will be stowed inside the blade profile prior to deployment. (3) It will be capable of offsetting the positive torque produced by the overall blade. (4) Hinge moments will be minimized to lower actuator loads and cost. (5) It will be evaluated as a potential power modulating active rotor-control system. A literature review of aerodynamic braking devices was conducted. Information from the literature review was used to conceptualize the most effective devices for subsequent testing and design. Wind-tunnel test data for several braking devices are presented in this report. Using the data for the most promising configuration, a preliminary design was developed for a MICON 65/13 wind turbine with Phoenix 7.9-m rotor blades.

Quandt, G.

1996-01-01T23:59:59.000Z

113

Regenerative Energie Systeme RegEnSys | Open Energy Information  

Open Energy Info (EERE)

Regenerative Energie Systeme RegEnSys Regenerative Energie Systeme RegEnSys Jump to: navigation, search Name Regenerative Energie Systeme (RegEnSys) Place Frankenthal, Rhineland-Palatinate, Germany Zip 67227 Sector Solar Product Sale and installation of solar (thermal and PV) and ventilation systems. Coordinates 51.131202°, 14.106809° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":51.131202,"lon":14.106809,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

114

Regenerative pulse amplification in the 10-kHz range  

Science Conference Proceedings (OSTI)

A continuously pumped Nd:YLF regenerative amplifier has been developed that can amplify 40-psec pulses at a repetition rate of greater than 10 kHz, with an average power in excess of 5 W. Pulse energies are as high as 2.0 mJ at 3 kHz and 640 {mu}J at 10.5 kHz. The limitation on the amplifier repetition rate that is associated with piezoelectric ringing in LiNbO{sub 3} electro-optics has been overcome by using short-pulsed electric fields (10 nsec) and proper acoustic damping. Regenerative pulse amplification, limited in repetition only by the pump rate of the gain medium, has been achieved. The high repetition rate in regenerative pulse amplification made possible by this development should prove important for signal-processing considerations in a wide variety of pulse-amplification applications.

Wang, X.D.; Basseras, P.; Miller, R.D. (Department of Chemistry, University of Rochester, Rochester, NY (USA)); Sweetser, J.; Walmsley, I.A. (The Institute of Optics, The University of Rochester, Rochester, NY (USA))

1990-08-01T23:59:59.000Z

115

Ignition feedback regenerative free electron laser (FEL) amplifier  

Science Conference Proceedings (OSTI)

An ignition feedback regenerative amplifier consists of an injector, a linear accelerator with energy recovery, and a high-gain free electron laser amplifier. A fraction of the free electron laser output is coupled to the input to operate the free electron laser in the regenerative mode. A mode filter in this loop prevents run away instability. Another fraction of the output, after suitable frequency up conversion, is used to drive the photocathode. An external laser is provided to start up both the amplifier and the injector, thus igniting the system.

Kim, Kwang-Je (Burr Ridge, IL); Zholents, Alexander (Walnut Creek, CA); Zolotorev, Max (Oakland, CA)

2001-01-01T23:59:59.000Z

116

Nonlinear Control Synthesis for a Self-energizing Electro-Hydraulic Brake  

E-Print Network (OSTI)

Nonlinear control algorithm for a self-energizing electro-hydraulic brake is analytically designed. The desired closed-loop system behavior is reached via a synthesized nonlinear controller.

Starykh, Alexey

2010-01-01T23:59:59.000Z

117

Fault diagnosis of regenerative water heater based-on multi-class support vector machines  

Science Conference Proceedings (OSTI)

The main idea of multi-class support vector machines (SVMs) is described. a multi-class model for regenerative water heater fault diagnosis is presented combining the fuzzy logic and SVMs. The typical faults set of regenerative water heater is built ... Keywords: fault diagnosis, fuzzy rules, regenerative water heater, steam turbine, support vector machines

Lei Wang; Rui-Qing Zhang

2009-08-01T23:59:59.000Z

118

Fault Diagnosis of Regenerative Water Heater Based-On Multi-class Support Vector Machines  

Science Conference Proceedings (OSTI)

The main idea of multi-class support vector machines (SVMs) is described. a multi-class model for regenerative water heater fault diagnosis is presented combining the fuzzy logic and SVMs. The typical faults set of regenerative water heater is built ... Keywords: steam turbine, regenerative water heater, fuzzy rules, support vector machines, fault diagnosis

Lei Wang; Rui-qing Zhang

2009-08-01T23:59:59.000Z

119

Distributed Space-Time Cooperative Systems with Regenerative Relays  

Science Conference Proceedings (OSTI)

This paper addresses some of the opportunities and the challenges in the design of multi-hop systems that utilize cooperation with one or two intermediate regenerative relays to provide high-quality communication between a source and a destination. We ...

P. A. Anghel; G. Leus; M. Kaveh

2006-11-01T23:59:59.000Z

120

Stop/Start: Overview  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

a combination of regenerative and conventional friction braking to slow the vehicle. In regenerative braking, energy from the wheels turns the electric generator, creating...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

A Lifecycle Emissions Model (LEM): Lifecycle Emissions from Transportation Fuels, Motor Vehicles, Transportation Modes, Electricity Use, Heating and Cooking Fuels, and Materials  

E-Print Network (OSTI)

maximum, and restricts regenerative energy to be less thanthe extra energy made available by regenerative braking. Theregenerative braking (for fuel-cell vehicles without electro-chemical energy

Delucchi, Mark

2003-01-01T23:59:59.000Z

122

Present Status and Marketing Prospects of the Emerging Hybrid-Electric and Diesel Technologies to Reduce CO2 Emissions of New Light-Duty Vehicles in California  

E-Print Network (OSTI)

and to recover energy during regenerative braking. Both theof energy. The batteries are also recharged via regenerative

Burke, Andy

2004-01-01T23:59:59.000Z

123

Feasible Café Standard Increases Using Emerging Diesel and Hybrid-Electric Technologies for Light-Duty Vehicles in the United States  

E-Print Network (OSTI)

and to recover energy during regenerative braking. Both theof energy. The batteries are also recharged via regenerative

Burke, Andy; Abeles, Ethan

2004-01-01T23:59:59.000Z

124

Feasible CAFE Standard Increases Using Emerging Diesel and Hybrid-Electric Technologies for Light-Duty Vehicles in the United States  

E-Print Network (OSTI)

and to recover energy during regenerative braking. Both theof energy. The batteries are also recharged via regenerative

Burke, Andy; Abeles, Ethan C.

2004-01-01T23:59:59.000Z

125

The Evolution of Sustainable Personal Vehicles  

E-Print Network (OSTI)

as well as energy recovery during regenerative braking. Theenergy is recoverable in an electrically dominant vehicle through regenerative

Jungers, Bryan D

2009-01-01T23:59:59.000Z

126

High-power regenerative Nd-phosphate glass amplifier  

Science Conference Proceedings (OSTI)

A compact high-power regenerative Nd-phosphate glass amplifier is described which incorporates spatial filtering and full image relay techniques. Output energies up to 1.2 J at a pulse duration of 140 +- 10 psec (FWHM) and 3 J at 900 +- 70 psec (FWHM) are achieved in a smooth nearly flattop beam intensity profile. Even with present-day technology, this system could be scaled into a terawatt regime.

Roschger, E.W.; Balmer, J.E.

1985-09-15T23:59:59.000Z

127

Control of a dynamic brake to reduce turbine-generator shaft transient torques  

SciTech Connect

A resistive, thyristor-controlled brake is used to damp transient torques in large thermo-electric generators supplying series-compensated transmission lines. Emphasis is placed on developing a suitable control algorithm and testing the algorithm through a wide variety of different operating configurations. Discrete-level Generalized Predictive Control is examined as one possible approach to optimal control of the brake. Some problems with implementation of GPC on the system are discussed. Prony analysis is used to identify system transfer functions which are then related to control design considerations and robustness properties.

Donnelly, M.K.; Smith, J.R.; Johnson, R.M. (Montana State Univ., Bozeman, MT (United States)); Hauer, J.F. (Bonneville Power Administration, Kalispell, MT (United States)); Brush, R.W. (Montana Power Co., Butte, MT (United States)); Adapa, R. (Electric Power Research Inst., Palo Alto, CA (United States))

1993-02-01T23:59:59.000Z

128

REGENERATIVE STORMWATER CONVEYANCE (RSC) AS AN INTEGRATED APPROACH TO SUSTAINABLE STORMWATER PLANNING ON LINEAR PROJECTS  

E-Print Network (OSTI)

energy and sediment supply. In the collection and conveyance-oriented regenerativeenergy. As a result, it is possible to develop a linear regenerative

Berg, Joe; Underwood, Keith

2009-01-01T23:59:59.000Z

129

Fuel Cell Powered Vehicles Using Supercapacitors: Device Characteristics, Control Strategies, and Simulation Results  

E-Print Network (OSTI)

and the recaptured regenerative energy are completely offsetincrease of captured regenerative energy, and will slightlythe capture of regenerative braking energy, which will

Zhao, Hengbing; Burke, Andy

2010-01-01T23:59:59.000Z

130

ELECTROCHEMICAL POWER FOR TRANSPORTATION  

E-Print Network (OSTI)

regenerative braking was much more significant with the separately- excited motor in that the energy

Cairns, Elton J.

2012-01-01T23:59:59.000Z

131

CENTRE NATIONAL DE LA RECHERCHE  

E-Print Network (OSTI)

-wheel motors, EMB : · standard ABS algorithms are not adapted to regenerative braking (Toyota Prius

132

Study on the Mode of Power Plant Circulating Water Waste Heat Regenerative Thermal System  

Science Conference Proceedings (OSTI)

Power Plant Circulating Water (PPCW) waste heat recycling is an important way of increasing a power plant’s primary energy ratio. According to the PPCW waste heat regenerative thermal system, the authors propose two modes of heat pump heat regenerative ... Keywords: heat pump, power plant circulating water (PPCW), waste heat recycling, energy saving

Bi Qingsheng; Ma Yanliang; Yang Zhifu

2009-10-01T23:59:59.000Z

133

Use of an auditory signal in a rear-end collision warning system: effects on braking force and reaction time  

E-Print Network (OSTI)

This simulator experiment is a preliminary study examining the effects of different auditory signals on braking force and reaction time in a rear-end collision warning system. A driving simulator was built in which subjects operated a computer driving game. Superimposed on the game screen was the image of a car which appeared to the driver to be ahead of him/her. The image enlarged in size, appearing to be a car applying its brakes. The participant was instructed to react as he would in a real driving situation by applying his/her brakes. Closing velocities of 10 miles per hour and 30 miles per hour were used. Braking times and forces were measured for four different warning sounds: 1) no warning; 2) a pulsed warning sound that increased in repetition rate; 3) a sound that increased in frequency; and, 4) a sound that increased in intensity. Results suggested that an auditory warning signal would decrease reaction time and increase maximum braking force applied. The sound that increased in frequency and the sound that increased in intensity provided the greatest savings in reaction time, approximately one quarter second, when compared to the no warning condition. The pulsed warning sound provided the greatest increase in braking force. Participants preferred the pulsed sound over the other warning sounds. Further research must be done to determine if the warning sounds decrease the reaction time enough to cause a significant reduction in accidents.

Hopkins, Jennifer Susan

1995-01-01T23:59:59.000Z

134

Collapse and Fragmentation of Molecular Cloud Cores. X. Magnetic Braking of Prolate and Oblate Cores  

E-Print Network (OSTI)

The collapse and fragmentation of initially prolate and oblate, magnetic molecular clouds is calculated in three dimensions with a gravitational, radiative hydrodynamics code. The code includes magnetic field effects in an approximate manner: magnetic pressure, tension, braking, and ambipolar diffusion are all modelled. The parameters varied for both the initially prolate and oblate clouds are the initial degree of central concentration of the radial density profile, the initial angular velocity, and the efficiency of magnetic braking (represented by a factor $f_{mb} = 10^{-4}$ or $10^{-3}$). The oblate cores all collapse to form rings that might be susceptible to fragmentation into multiple systems. The outcome of the collapse of the prolate cores depends strongly on the initial density profile. Prolate cores with central densities 20 times higher than their boundary densities collapse and fragment into binary or quadruple systems, whereas cores with central densities 100 times higher collapse to form single...

Boss, Alan P

2009-01-01T23:59:59.000Z

135

How Many CVs are Crossing the Period Gap? A Test for the Disruption of Magnetic Braking  

E-Print Network (OSTI)

We apply population synthesis techniques to calculate the present day number of two types of white dwarf-main sequence star (WDMS) binaries within the cataclysmic variable period gap. The first are post-common envelope binaries with secondary stars that have masses between 0.17 and 0.36 Msun (gPCEBs), such that they will commence mass transfer within the period gap. The second type are systems that were CVs at some point in their past, but detached once they evolved down in orbital period to ~3 h as a consequence of disrupted magnetic braking, and are crossing the period gap via gravitational radiation (dCVs). Full population synthesis calculations are performed where we assume either constant, global values of the common envelope ejection efficiency, or consider the ejection efficiency as a function of secondary mass. Several forms of magnetic braking are also considered. We predict an excess of dCVs over gPCEBs within the period gap of ~4 to ~13 assuming an ejection efficiency between 0.1 and 0.6, and a flat initial mass ratio distribution. This excess is revealed as a prominent peak at the location of the period gap in the orbital period distribution of the combined gPCEB and dCV population. We suggest that if such a feature is observed in the orbital period distribution of an observed sample of short orbital period WDMS binaries, this would strongly corroborate the disruption of magnetic braking.

P. J. Davis; U. Kolb; B. Willems; B. T. Gänsicke

2008-05-30T23:59:59.000Z

136

Variations in gear fatigue life for different wind turbine braking strategies  

SciTech Connect

A large number of gearbox failures have occurred in the wind industry in a relatively short period, many because service loads were underestimated. High-torque transients that occur during starting and stopping are difficult to predict and may be overlooked in specifying gearbox design. Although these events comprise a small portion of total load cycles, they can be the most damaging. The severity of these loads varies dramatically with the specific configuration of the wind turbine. The large number of failures in Danish-designed Micon 65 wind turbines prompted this investigation. The high-speed and low-speed shaft torques were measured on a two-stage helical gearbox of a single Micon 65 turbine. Transient events and normal running loads were combined statistically to obtain a typical annual load spectrum. The pitting and bending fatigue lives of the gear teeth were calculated by using Miner's rule for four different high-speed shaft brake configurations. Each breaking scenario was run for both a high- and a low-turbulence normal operating load spectrum. The analysis showed increases in gear life by up to a factor of 25 when the standard high-speed shaft brake is replaced with a dynamic brake or modified with a damper. 9 refs., 9 figs., 3 tabs.

McNiff, B.P. (Second Wind, Inc., Somerville, MA (USA)); Musial, W.D. (Solar Energy Research Inst., Golden, CO (USA)); Errichello, R. (GEARTECH, Albany, CA (USA))

1991-06-01T23:59:59.000Z

137

Variations in gear fatigue life for different wind turbine braking strategies  

DOE Green Energy (OSTI)

A large number of gearbox failures have occurred in the wind industry in a relatively short period, many because service loads were underestimated. High-torque transients that occur during starting and stopping are difficult to predict and may be overlooked in specifying gearbox design. Although these events comprise a small portion of total load cycles, they can be the most damaging. The severity of these loads varies dramatically with the specific configuration of the wind turbine. The large number of failures in Danish-designed Micon 65 wind turbines prompted this investigation. The high-speed and low-speed shaft torques were measured on a two-stage helical gearbox of a single Micon 65 turbine. Transient events and normal running loads were combined statistically to obtain a typical annual load spectrum. The pitting and bending fatigue lives of the gear teeth were calculated by using Miner's rule for four different high-speed shaft brake configurations. Each breaking scenario was run for both a high- and a low-turbulence normal operating load spectrum. The analysis showed increases in gear life by up to a factor of 25 when the standard high-speed shaft brake is replaced with a dynamic brake or modified with a damper. 9 refs., 9 figs., 3 tabs.

McNiff, B.P. (Second Wind, Inc., Somerville, MA (USA)); Musial, W.D. (Solar Energy Research Inst., Golden, CO (USA)); Errichello, R. (GEARTECH, Albany, CA (USA))

1991-06-01T23:59:59.000Z

138

Biodegradable Mg-Ca and Mg-1Ca-1Y alloys for Regenerative ...  

Science Conference Proceedings (OSTI)

Biodegradable Mg-Ca and Mg-1Ca-1Y alloys for Regenerative Medicine ... in Multi–Length–Scale Bone Structure – An Investigation Using High-Energy X- Rays.

139

Highly Stable, All-Solid-State Nd:YLF Regenerative Amplifier  

Science Conference Proceedings (OSTI)

A diode-pumped Nd:YLF regenerative amplifier (regen) has been developed and is in use in the 60-beam, 30-kJUV OMEGA laser system's driver line. The high stability, compactness, and reliability of this all-solid-state modular design are the key features of this concept. Stable, millijoule-level output-pulse energies with an overall gain of 109 have been demonstrated.

Okishev,A.V.; Zuegel,J.D.

2004-11-20T23:59:59.000Z

140

Convective heat and mass transfer in compact regenerative dehumidifiers  

Science Conference Proceedings (OSTI)

Regular-density silica gel is identified as the candidate desiccant for regenerative dehumidification of humid air operating at low-regeneration temperatures and high-process humidities. The literature on the equilibrium sorption uptake of water vapor by R. D. silica gel is reviewed in this work, and a large number of experimental sorption data is collected from various technical reports. The Dubinin-Polanyi sorption theory for microporous adsorbents is discussed and applied to the sorptive data. A graphical presentation of the experimental data establishes the characteristic curve for the sorption of water vapor on silica gel. The Dubinin-Astakhov correlation is used to represent the equilibrium sorption isotherm and values for the characteristic sorption energies are determined by curve fitting with the experimental data. An accurate, generalized isotherm equation for the sorption of water vapor on regular density silica gel is presented in the first part of this work. The second part of this work presents an analytical and experimental investigation of the transient heat and mass transfer in laminar flow of humid air over a silica gel surface. Experimental results are presented for the transient response of a parallel-plate dehumidifier matrix in single-blow type experiments.

Van den Buick, E.

1987-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

NREL: Learning - Advanced Vehicles and Fuels Basics  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Vehicles and Fuels Basics Advanced Vehicles and Fuels Basics Content on this page requires a newer version of Adobe Flash Player. Get Adobe Flash player This video provides an overview of the Center for Transportation Technologies and Systems and its research. Video produced for NREL by Fireside Production. Text Version We can improve the fuel economy of our cars, trucks, and buses by designing them to use the energy in fuels more efficiently. And we can help to reduce our nation's growing reliance on imported oil by running our vehicles on renewable and alternative fuels. Advanced vehicles and fuels can also put the brakes on air pollution and improve our environment. At least 250 million vehicles are in use in the United States today. They include all kinds of passenger cars, trucks, vans, buses, and large

142

Method for starting and operating an advanced regenerative parallel compound dual fluid heat engine-advanced Cheng cycle(ACC)  

SciTech Connect

In a Cheng cycle, dual fluid heat engine of the type is described having: (i) a gas turbine engine including a compressor for compressing a first working fluid, having a compressor outlet, a combustion chamber in fluid communication with the compressor outlet, a turbine unit having an inlet in fluid communication with the combustion chamber for performing work by expansion of working fluid, and a turbine exhaust; (ii) a heat recovery steam generator coupled to the turbine exhaust for heating a second working fluid having a superheater with an outlet and an inlet, an evaporator having an outlet coupled to the superheater inlet and an evaporator inlet, a heat recovery boiler between the evaporator inlet and outlet having a drum; (iii) an injector for introducing heated second working fluid from the heat recovery steam generator into the gas turbine; (iv) a coolant inlet port for introducing coolant to at least one of turbine nozzles and blades in the gas turbine; and (v) control valve means for selectively throttling flow rate of second working fluid into the gas turbine connected upstream of the injector; (vi) a compressed gas source and pressure regulator selectively in communication with the drum; (vii) a sensor system coupled to gas turbine engine and the heat recovery steam generator for temperature and pressure detection; and (viii) a control system for operating fuel flow to the gas turbine; a method of operation of the heat engine comprising: (a) initializing start conditions in the gas turbine engine and the heat recovery steam generator with the control system; (b) setting the control valve means for idle flow condition of the heat engine; (c) pressurizing the drum with the compressed gas source, (d) starting the gas turbine engine from idle to full load; (e) throttling second working fluid flow rate with the control valve means and shutting off the compressed gas source.

Cheng, D.Y.

1993-08-10T23:59:59.000Z

143

Solar tracker motor having a fixed caliper and a translating caliper each with an electromagnetic brake system  

Science Conference Proceedings (OSTI)

Concepts and technologies described herein provide for an accurate and cost-effective method for rotating a solar array disk for tracking the movement of the sun. According to various aspects, a motor includes a fixed caliper and a translating caliper positioned adjacent to one another. Electromagnetically controlled brakes on the translating caliper grip the solar array disk while adjacent, but spaced apart, electromagnets on the fixed caliper and the translating caliper are energized to create an attractive force that pulls the translating caliper with the solar array disk toward the fixed caliper. After reaching the fixed caliper, brakes on the fixed caliper are engaged with the disk, brakes on the translating caliper are released from the disk, and the translating caliper is pushed back to the starting location where the process repeats until the desired rotation is completed.

Rau, Scott James

2013-01-29T23:59:59.000Z

144

Advanced Materials  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Materials Advanced Materials Availability Technology Express Licensing Active Terahertz Metamaterial Devices Express Licensing Anion-Conducting Polymer, Composition, And...

145

Identifying Options for Deep Reductions in Greenhouse Gas Emissions from California Transportation: Meeting an 80% Reduction Goal in 2050  

E-Print Network (OSTI)

fleet). Regenerative braking can improve energy efficiencyregenerative braking. Application of these technologies and strategies has the effect of lowering the energy

Yang, Christopher; McCollum, David L; McCarthy, Ryan; Leighty, Wayne

2008-01-01T23:59:59.000Z

146

Fuel Economy: Where the Energy Goes  

NLE Websites -- All DOE Office Websites (Extended Search)

and lighter-weight technologies. Hybrids, plug-in hybrids, and electric vehicles use regenerative braking to recover some braking energy that would otherwise be lost. more......

147

Emissions of Criteria Pollutants, Toxic Air Pollutants, and Greenhouse Gases, From the Use of Alternative Transportation Modes and Fuels  

E-Print Network (OSTI)

acceleration energy recovered by regenerative braking Heavy-efficiencies, energy use by accessories, use of regenerativeregenerative braking can return “up to” 20% of propulsion energy;

Delucchi, Mark

1996-01-01T23:59:59.000Z

148

Microsoft Word - ev1.doc  

NLE Websites -- All DOE Office Websites (Extended Search)

Running Lamps Power Windows, Mirrors & Door Locks AMFM Stereo wCassette and CD Player Regenerative Braking with Coastdown Electro-Hydraulic Braking with ABS Electro Windshield...

149

On The Use of Eddy Current Brakes as Tunable, Fast Turn-On Viscous Dampers For Haptic Rendering  

E-Print Network (OSTI)

based on eddy current brakes because they are inexpensive, friction- e-mail: andrewg@cim.mcgill.ca e-mail: champ@cim.mcgill.ca e-mail: hayward@cim.mcgill.ca free, capable of fast turn-on time, and linear

Hayward, Vincent

150

CityCarControl : an electric vehicle drive-by-wire solution for distributed steering, braking and throttle control  

E-Print Network (OSTI)

In this paper, we propose CityCarControl, a system to manage the steering, braking, and throttle of a new class of intra-city electric vehicles. These vehicles have a focus on extreme light-weight and a small parking ...

Brown, Thomas B., M. Eng. Massachusetts Institute of Technology

2010-01-01T23:59:59.000Z

151

Construction of narrow-band regenerative amplifier for momentum imaging spectroscopy of lithium dimer  

Science Conference Proceedings (OSTI)

We constructed a Ti:Sapphire narrow-band regenerative amplifier as the probe laser of the experiment of momentum imaging spectroscopy of lithium dimer. The spectral profile of the regenerative cavity was designed by three birefringent filters and a plate of etalon. With 1.1-mJ pumping by the second harmonics of Nd:YLF laser, mode-locked seed pulses were amplified to {approx}25 {mu}J at 1-kHz repetition, with the bandwidth of {approx}0.7 cm{sup -1}.

Matsuoka, Leo; Hashimoto, Masashi; Yokoyama, Keiichi [Quantum Beam Science Directorate, Japan Atomic Energy Agency, 8-1-7, Umemidai, Kizugawa, Kyoto 619-0215 (Japan)

2012-07-11T23:59:59.000Z

152

Pulse compression with a high-energy Nd:YAG regenerative amplifier system  

Science Conference Proceedings (OSTI)

We describe a method for the generation of readily synchronizable, near-transform-limited, 1064-nm, 6-mJ pulses with {lt}20-ps duration at a repetition rate of 20 Hz. The method employs chirped pulse amplification of spectrally broadened and temporally stretched pulses from a cw mode-locked Nd:YAG laser in a commercial Nd:YAG regenerative amplifier followed by pulse compression with a grating pair. Linear amplification subsequent to regenerative amplification is not required with this method, although higher energies would be easily obtained. {copyright} 1997 Optical Society of America

Venturo, V.A.; Joly, A.G.; Ray, D. [Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, P.O. Box 999 K2-14, Richland, Washington 99352 (United States)

1997-07-01T23:59:59.000Z

153

A study of factors affecting foot movement time in a braking maneuver  

E-Print Network (OSTI)

The nature of foot movement time (MT) in an actual braking maneuver and in a stationary vehicle was investigated regarding the effects of age and gender of the driver and nature of the stimulus to which the driver was responding. ANOVAs showed that the nature of the stimulus was not a significant factor in length of MT, but distance between pedals and age-gender levels were found to have significant effects. For the actual braking maneuver, gender and the gender-by-age interaction were significant; in the stationary vehicle portion of the study, they were not. Mean foot MT for both genders over all conditions were 0.28 seconds for women and 0.22 seconds for men. For older drivers, over all conditions, the mean foot MT was 0.25 seconds, and, for the younger drivers, 0.24 seconds. Linear regressions revealed high intra-subject variation in MT, which was corroborated by comparing with data from other parts of the study. Poor r2 values for fitting the data to Fitts' Law and to a modification of Fitts' Law were attributed to this high intra-subject variation and to obtaining data from only two different movement amplitudes. It was found that drivers' foot MTs tended to converge to a common value when controlling the vehicle at 88 km/hr (55 mph) as opposed to sitting in the driver's seat while the vehicle was stationary; mean foot MT for each subject group decreased, and differences between genders and age groups significantly diminished while the car was in motion.

Berman, Andrea Helene

1994-01-01T23:59:59.000Z

154

Corrosion Control Using Regenerative Biofilms (CCURB) That Secrete Antimicrobials and Corrosion Inhibitors  

Science Conference Proceedings (OSTI)

This interim report covers the second year of research on the CCURB (Corrosion Control Using Regenerative Biofilms) project. This work seeks solutions to corrosion through the use of protective biofilms. To this end, the team has studied the use of both natural and genetically-engineered bacteria for corrosion inhibition of mild steel, aluminum, brass, and copper.

2000-05-16T23:59:59.000Z

155

Energy Saving Technology of Thermal Regenerative Compressed Air Dryer by Regenerates Adsorbent with Residual Heat  

Science Conference Proceedings (OSTI)

According to the characteristic of the compressed air dryer located at the same place with the air compressor, for the large capacity thermal regenerative compressed air dryer that the absorbent is regenerated by an electric heater, this thesis puts ... Keywords: Compressed air dryer, Regeneration, Heater, Residual heat, Energy saving

Zhang Mingzhu; Zhou Zhili; Li Hongtao; Zhang Yongbo

2009-10-01T23:59:59.000Z

156

Characterization of a high-gain picosecond flash-lamp-pumped Nd:YAG regenerative amplifier  

Science Conference Proceedings (OSTI)

We evaluate the performance of a novel 10-Hz picosecond Nd:YAG regenerative amplifier configured as a self-filtering unstable resonator. Pulse energies of approx.60 mJ in approx.100 psec at 1.06 ..mu..m are achieved using a single 6-mm-diameter Nd:YAG rod, while mode-matching requirements are minimized.

Dawson, M.D.; Schroeder, W.A.; Norwood, D.P.; Smirl, A.L.; Weston, J.; Ettelbrick, R.N.; Aubert, R.

1988-11-01T23:59:59.000Z

157

P.: Quick simulation methods for estimating the unreliability of regenerative models of large highly reliable systems  

E-Print Network (OSTI)

We investigate fast simulation techniques for estimating the unreliability in large Markovian models of highly reliable systems for which analytical0numerical techniques are difficult to apply+ We first show mathematically that for “small ” time horizons, the relative simulation error, when using the importance sampling techniques of failure biasing and forcing, remains bounded as component failure rates tend to zero+ This is in contrast to naive simulation where the relative error tends to infinity+ For “large ” time horizons where these techniques are not efficient, we use the approach of first bounding the unreliability in terms of regenerative-cycle-based measures and then estimating the regenerative-cycle-based measures using importance sampling; the latter can be done very efficiently+ We first use bounds developed in the literature for the asymptotic distribution of the time to hitting a rare set in regenerative systems+ However, these bounds are “close ” to the unreliability only for a certain range of time horizons+ We develop new bounds that make use of the special structure of the systems that we consider and are “close ” to the unreliability for a much wider range of time horizons+ These techniques extend to non-Markovian, highly reliable systems as long as the regenerative structure is preserved+ © 2004 Cambridge University Press 0269-9648004 $16+00 339340 M. K. Nakayama and P. Shahabuddin 1.

Marvin K. Nakayama; Perwez Shahabuddin

2004-01-01T23:59:59.000Z

158

Integration and Dynamics of a Renewable Regenerative Hydrogen Fuel Cell System  

E-Print Network (OSTI)

Integration and Dynamics of a Renewable Regenerative Hydrogen Fuel Cell System by Alvin Peter Cell System by Alvin Peter Bergen B.A.Sc., University of Victoria, 1994 M.Sc., University of University, hydrogen and electricity storage, and fuel cells. A special design feature of this test bed is the ability

Victoria, University of

159

??? 1  

NLE Websites -- All DOE Office Websites (Extended Search)

on hybrid electric vehicle Grade ability performance. Dynamic Performance test -HEV Regenerative braking energy reclaiming ratio test-EVHEV Developing the regenerative...

160

Clean Diesel: Overcoming Noxious Fumes  

E-Print Network (OSTI)

regenerative braking to capture cially in medium-sized trucks used for deliveries, and fuel-cell energy

Brodrick, Christie-Joy; Sperling, Daniel; Dwyer, Harry A.

2001-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


161

NREL: Vehicle Systems Analysis - Future Automotive Systems Technology...  

NLE Websites -- All DOE Office Websites (Extended Search)

rolling resistance) Powertrain components (engine, motor, battery, and auxiliary loads) Regenerative braking Energy management strategies Battery life estimates Cost estimates...

162

untitled  

NLE Websites -- All DOE Office Websites (Extended Search)

petroleum consumption and emissions * Optimized fuel efficiency and performance * Recover energy during regenerative braking * Use existing gas station infrastructure * Minimal...

163

ACCESS Magazine Fall 2001  

E-Print Network (OSTI)

regenerative braking to capture cially in medium-sized trucks used for deliveries, and fuel-cell energy

2001-01-01T23:59:59.000Z

164

Roadway Powered Electric Vehicle Project Track Construction And Testing Program Phase 3D  

E-Print Network (OSTI)

lines show energy flow during regenerative braking. Theregenerative braking, the motor (acting as a generator) is supplying as much energyregenerative braking above the base speed of 12 mph. The energy

Systems Control Technology, Inc.

1994-01-01T23:59:59.000Z

165

Microsoft Word - ford99.html  

NLE Websites -- All DOE Office Websites (Extended Search)

FM Stereo Radio Tilt Steering Wheel Cabin Heat Dual Air Bags Power Steering (electro-hydraulic) Power Brakes Four Wheel Disc Brakes Four Wheel Anti-Lock Brakes Regenerative...

166

ASE Suppression in a Diode-Pumped Nd:YLF Regenerative Amplifier Using a Volume Bragg Grating  

Science Conference Proceedings (OSTI)

Instrument-limited suppression of out-of-band amplified spontaneous emission (ASE) is demonstrated for the first time in a Nd:YLF diode-pumped regenerative amplifier using a volume Bragg grating (VBG) as a cavity mirror.

Okishev, A.V.; Dorrer, C.; Smirnov, V.I.; Glebov, L.B.; Zuegel, J.D.

2007-10-11T23:59:59.000Z

167

Faculty of Science and Engineering School of Engineering  

E-Print Network (OSTI)

for vehicle design. Working with specialists in vehicle controls and advanced powertrains, you will study modern vehicle powertrains including alternatively fuelled engines, hybrid vehicles, CVT drivelines and regenerative braking. You will examine future directions such as electric vehicles and fuel cell technology

168

A solar regenerative thermoelectrochemical converter (RTEC). Executive summary of final subcontract report  

DOE Green Energy (OSTI)

This is an executive summary of a final subcontract report that describes the successful completion of a closed-loop demonstration of a regenerative thermoelectromechanical device using solar heat input for the production of electricity. The full report, which contains a detailed description of the two-year effort, is currently subject to a government secrecy order which precludes public release of the information. Copies of the full report will be made available for general release whenever the secrecy order is lifted.

Townsend, C.W.; McHardy, J. [Hughes Aircraft Co., El Segundo, CA (United States)

1992-02-01T23:59:59.000Z

169

A continuous heat regenerative adsorption refrigerator using spiral plate heat exchanger as adsorbers: improvements  

SciTech Connect

Spiral plate heat exchangers as adsorbers have been proposed, and a prototype heat regenerative adsorption refrigerator using activated carbon-methanol pair has been developed and tested. Various improvements have been made, the authors get a specific cooling power for 2.6 kg-ice/day-kg adsorbent at the condition of generation temperature lower than 100 C. Discussions on the arrangements of thermal cycles and influences of design are shown.

Wang, R.Z.; Wu, J.Y.; Xu, Y.X. [Shanghai Jiao Tong Univ. (China). Inst. of Refrigeration and Cryogenics

1999-02-01T23:59:59.000Z

170

Optimum cycle parameters of coal fired closed cycle gas turbine in regenerative and combined cycle configurations  

Science Conference Proceedings (OSTI)

This paper presents the methodology developed for the estimation of thermodynamic performance and reports the optimum cycle parameters of coal fired CCGT in regenerative and combined cycle configurations using air, helium and carbon dioxide as working gases. A rigorous approach has been followed for the determination of the cycle efficiency by assuming the specific heat of working gases as a continuous function of temperature for accurate estimation of cycle parameters. 14 refs.

Rao, J.S.

1982-01-01T23:59:59.000Z

171

Regenerative fuel cell systems R{ampersand}D  

DOE Green Energy (OSTI)

The LLNL effort to develop electrochemical energy storage systems occupies a crucial regime in the hydrogen technologies` adoption process, between pure research/conceptual feasibility and near-term demonstrations of commercial systems This effort leaves as many component innovations as possible to others, and seeks to integrate the best systems from the highest performance, readily procurable components. The integration research and component testing being undertaken has already uncovered many operational and design issues that might hinder the adoption of breakthrough technologies being funded by the DOE and NASA A focus on delivering energy storage to the most weight-sensitive applications (aircraft and spacecraft) ensures that key technologies will be properly implemented and combined to perform in real, upcoming vehicle tests. The two key technologies that LLNL is aggressively implementing are proton exchange membrane (PEM) -based RFCs and high-performance tankage for storing compressed hydrogen and oxygen gases Tankage built from available technologies must be lightweight and must cope with volume penalties, gas permeation, and moisture handling to adequately furnish the breakthrough levels of specific energy that RFC systems offer Such multidisciplinary specifications have yet to be combined in the form of a commercial product. Were it not fat LLNL`s role as integrator leading industry, and as technical monitor promoting relevant specifications from within DOE-funded demonstration efforts in industry, such functional combinations of component performances would be years lather than months away. In particular, the DOE PRDA funded at Thiokol is on track to deliver vehicle-compatible hydrogen test tanks to support the Ford P2000 demonstration vehicle early next year The supervision of and close interaction with this industrial demonstration project is one important example of the real effort DOE is sponsoring at LLNL to bridge research into demonstrations Another DOE-funded industrial demonstration effort, with Proton Energy Systems as prime contractor, has recently been funded to introduce PEM-based energy storage into electrical utility applications Besides monitoring this field demonstration, LLNL will be directly supporting Proton Energy System`s technology development by testing electrolyzer and URFC cell stacks. In the cases of Proton Energy Systems, Thiokol, and Hamilton Standard (which currently offers the most advanced electrochemical components) LLNL has achieved close cooperation with industrial partners who hold the intellectual property. With these partners, LLNL is jointly developing systems relevant to a wide spectrum of applications, as depicted in Figure 1. These systems include high altitude long endurance (HALE) solar rechargeable aircraft (SRA), zero emission vehicles (ZEVs), hybrid energy storage/propulsion systems for spacecraft, energy storage for remote (off-grid) power sources, and peak shaving for on-grid applications (Carter 1998, de Groot 1997, Mitlitsky 1998, Mitlitsky 1996-a, Mitlitsky 1996-b, Mitlitsky 1996-c, Mitlitsky 1996-d, Mitlitsky 1994, Mitlitsky 1993). Figure 2 illustrates the original application for this set of innovations: solar powered aircraft This aircraft (Pathfinder) set the altitude record (71,500 ft) for all propeller- driven aircraft on July 7, 1997 (Mitlitsky 1998, NASA 1997).

Mitlitsky, F., LLNL

1998-06-24T23:59:59.000Z

172

A preliminary assessment of asbestos awareness and control measures in brake and clutch repair services in Knoxville and Knox County, Tennessee  

SciTech Connect

The pending OSHA standard revision proposed in 1990 to lower the asbestos Permissible Exposure Limit (PEL) and to mandate effective asbestos control measures (ACM) in brake and clutch assembly work may have a profound effect on industries involved in such operations. Health protection of workers will be improved and costs of improved control methods and training will increase. Considering these facts, this preliminary study was designed to assess the level of worker and management awareness of asbestos hazards associated with brake and clutch repair and to determine what ACM had been implemented by businesses in Knoxville and Knox County, Tennessee. The study, in a metropolitan area of approximately 336,000 people, revealed eight different categories of businesses conducting brake and clutch repair work with an estimated 363 potentially exposed employees. Results of the study suggest that managers and employees of the 80 businesses studied were in need of asbestos hazard awareness training and more adequate asbestos control measures.

Phillips, C.C. (Oak Ridge National Lab., TN (United States)); Hamilton, C.B.

1994-04-01T23:59:59.000Z

173

Advanced Gasification  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Gasification Carbon feedstock gasification is a promising pathway for high-efficiency, low-pollutant power generation and chemical production. The inability, however, to...

174

Advanced Ceramics  

Science Conference Proceedings (OSTI)

Table 3   Raw materials for advanced structural and magnetic (ferrite) ceramics...conductivity Wear resistance Oxygen sensors, fuel cells (potential), high-temperature

175

Advanced Manufacturing  

Science Conference Proceedings (OSTI)

... new metrologically-based methods for industry as well ... for Advanced Catalyst Development and Durability ... Electron-Beam Irradiation of Solar Cells. ...

2013-07-29T23:59:59.000Z

176

ESS 2012 Peer Review - Novel Regenerative Fuel Cells based on Anion Exchange Membranes - Katherine Ayers, Proton Onsite  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

l l R ti F l C ll b d A i E h M b f Novel Regenerative Fuel Cells based on Anion Exchange Membranes for Novel Regenerative Fuel Cells based on Anion Exchange Membranes for g g Affordable Renewable Energy Storage Affordable Renewable Energy Storage Affordable Renewable Energy Storage PI: Dr Katherine Ayers Proton Energy Systems kayers@protononsite com PI: Dr. Katherine Ayers, Proton Energy Systems, kayers@protononsite.com y , gy y , y @p A h Key Challenges and Progress Approach Key Challenges and Progress Approach Key Challenges and Progress pp N PGM t l t ( l t l ) Fuel Cell Durability: Non-PGM catalysts (electrolyzer) * Leverage Proton experience in large scale Fuel Cell Durability: o G cata ysts (e ect o y e ) * Leverage Proton experience in large scale Anode flooding and cathode * Translation from RDE to cell results electrolysis and regenerative fuel

177

Conceptual design of a 10MW regenerative isobutane geothermal power plant. Technical report No. 18  

DOE Green Energy (OSTI)

At present, there are basically three different systems for converting energy in geothermal fluid into power: vapor-flashing system, total flow system, and binary system. A comparison of the power production processes was made on the basis of work output in Kwh per 1000 pounds of geothermal fluid for self flowing wells with wellhead pressure of 100 psia and for wells with downhole pumps. For simplicity, the assumptions were made that the enthalpy of the geothermal fluid in the reservoir is approximately equal to that at the wellhead, that the thermodynamic properties of geothermal fluid may be approximated by those of water, and that the pressure effects on the properties of fluid are negligible. The results showed that the performance of the two-stage vapor-flashing system is not appreciably improved by using a downhole pump. The total flow system is simple, but its success depends mainly on the development of a reliable machine with sufficiently high thermal efficiency. The regenerative isobutane system is impractical, if the geothermal fluid temperature is below 380/sup 0/F. But, when the brine temperatures range from 485 to 600/sup 0/F, the regenerative isobutane system with downhole pump exhibits superior performance as compared to two-stage vapor-flashing system, basic isobutane system, or total flow system.

Gupta, A.K.; Chou, J.C.S.

1976-10-15T23:59:59.000Z

178

Cycle Life Studies of Advanced Technology Development Program Gen 1 Lithium Ion Batteries  

SciTech Connect

This report presents the test results of a special calendar-life test conducted on 18650-size, prototype, lithium-ion battery cells developed to establish a baseline chemistry and performance for the Advanced Technology Development Program. As part of electrical performance testing, a new calendar-life test protocol was used. The test consisted of a once-per-day discharge and charge pulse designed to have minimal impact on the cell yet establish the performance of the cell over a period of time such that the calendar life of the cell could be determined. The calendar life test matrix included two states of charge (i.e., 60 and 80%) and four temperatures (40, 50, 60, and 70°C). Discharge and regen resistances were calculated from the test data. Results indicate that both discharge and regen resistance increased nonlinearly as a function of the test time. The magnitude of the discharge and regen resistance depended on the temperature and state of charge at which the test was conducted. The calculated discharge and regen resistances were then used to develop empirical models that may be useful to predict the calendar life or the cells.

Wright, Randy Ben; Motloch, Chester George

2001-03-01T23:59:59.000Z

179

Calendar Life Studies of Advanced Technology Development Program Gen 1 Lithium Ion Batteries  

SciTech Connect

This report presents the test results of a special calendar-life test conducted on 18650-size, prototype, lithium-ion battery cells developed to establish a baseline chemistry and performance for the Advanced Technology Development Program. As part of electrical performance testing, a new calendar-life test protocol was used. The test consisted of a once-per-day discharge and charge pulse designed to have minimal impact on the cell yet establish the performance of the cell over a period of time such that the calendar life of the cell could be determined. The calendar life test matrix included two states of charge (i.e., 60 and 80%) and four temperatures (40, 50, 60, and 70°C). Discharge and regen resistances were calculated from the test data. Results indicate that both discharge and regen resistance increased nonlinearly as a function of the test time. The magnitude of the discharge and regen resistance depended on the temperature and state of charge at which the test was conducted. The calculated discharge and regen resistances were then used to develop empirical models that may be useful to predict the calendar life or the cells.

Wright, Randy Ben; Motloch, Chester George

2001-03-01T23:59:59.000Z

180

Advanced Materials  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Materials Advanced Materials Advanced Materials Express Licensing Active Terahertz Metamaterial Devices Express Licensing Anion-Conducting Polymer, Composition, And Membrane Express Licensing Analysis Of Macromolecule, Liggands And Macromolecule-Lingand Complexes Express Licensing Carbon Microtubes Express Licensing Chemical Synthesis Of Chiral Conducting Polymers Express Licensing Forming Adherent Coatings Using Plasma Processing Express Licensing Hydrogen Scavengers Express Licensing Laser Welding Of Fused Quartz Express Licensing Multiple Feed Powder Splitter Negotiable Licensing Boron-10 Neutron Detectors for Helium-3 Replacement Negotiable Licensing Insensitive Extrudable Explosive Negotiable Licensing Durable Fuel Cell Membrane Electrode Assembly (MEA) Express Licensing Method of Synthesis of Proton Conducting Materials

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

Advanced Ceramics  

Science Conference Proceedings (OSTI)

Table 2   Classification of advanced ceramics...solid electrolytes, piezoelectrics, dielectrics, superconductors Optical Low absorption coefficient Lamps, windows, fiber optics, infrared optics Nuclear Irradiation resistance, high absorption coefficient,

182

Advanced Manufacturing Office: Solicitations  

NLE Websites -- All DOE Office Websites (Extended Search)

Solicitations on Twitter Bookmark Advanced Manufacturing Office: Solicitations on Google Bookmark Advanced Manufacturing Office: Solicitations on Delicious Rank Advanced...

183

Advanced Manufacturing Office: Webcasts  

NLE Websites -- All DOE Office Websites (Extended Search)

Office: Webcasts on Twitter Bookmark Advanced Manufacturing Office: Webcasts on Google Bookmark Advanced Manufacturing Office: Webcasts on Delicious Rank Advanced...

184

Advanced Manufacturing Office: Subscribe  

NLE Websites -- All DOE Office Websites (Extended Search)

Office: Subscribe on Twitter Bookmark Advanced Manufacturing Office: Subscribe on Google Bookmark Advanced Manufacturing Office: Subscribe on Delicious Rank Advanced...

185

Advanced Manufacturing Office: Workshops  

NLE Websites -- All DOE Office Websites (Extended Search)

Office: Workshops on Twitter Bookmark Advanced Manufacturing Office: Workshops on Google Bookmark Advanced Manufacturing Office: Workshops on Delicious Rank Advanced...

186

Scanning Probe Recognition Microscopy -A New Tool for Quantitative Mapping of Nanoscale Properties in Regenerative Neural Cell Systems  

E-Print Network (OSTI)

in Regenerative Neural Cell Systems Virginia M. Ayres, V. Tiryaki, Michigan State University; A. Khan, Western) [2] Astrocytes on 2D substrates have a pathological morphology (A). Astrocytes on 3D nanofibrillar Purdue University, and her B.A. in Physics and Biophysics from the Johns Hopkins University. She

Ayres, Virginia

187

A Preliminary Study of Energy Recovery in Vehicles by Using Regenerative Magnetic Shock Absorbers  

DOE Green Energy (OSTI)

Road vehicles can expend a significant amount of energy in undesirable vertical motions that are induced by road bumps, and much of that is dissipated in conventional shock absorbers as they dampen the vertical motions. Presented in this paper are some of the results of a study aimed at determining the effectiveness of efficiently transforming that energy into electrical power by using optimally designed regenerative electromagnetic shock absorbers. In turn, the electrical power can be used to recharge batteries or other efficient energy storage devices (e.g., flywheels) rather than be dissipated. The results of the study are encouraging - they suggest that a significant amount of the vertical motion energy can be recovered and stored.

R. B. Goldner; P. Zerigian; J. R. Hull

2001-05-14T23:59:59.000Z

188

Diode-pumped Cr:LiSAF all-solid-state femtosecond oscillator and regenerative amplifier  

Science Conference Proceedings (OSTI)

An all-solid-state tunable diode-pumped Cr{sup 3+}:LiSrAlF{sub 6} (Cr:LiSAF) regenerative amplifier, seeded by a tunable diode-pumped Cr:LiSAF femtosecond oscillator, has been demonstrated for the first time to our knowledge. The oscillator was tunable over 75 nm and generated pulses as short as 24 fs. As much as 70 mW average output power was obtained with pulses of 40-fs duration. The amplifier produced recompressed pulses of less than 200-fs duration with energies exceeding 1{mu}J at a repetition rate as high as 25 kHz. {copyright} {ital 1995} {ital Optical} {ital Society} {ital of} {ital America}.

Mellish, R.; Barry, N.P.; Hyde, S.C.W.; Jones, R.; French, P.M.W.; Taylor, J.R. [Femtosecond Optics Group, Department of Physics, Imperial College of Science and Technology, Prince Consort Road, London SW7 2BZ (United Kingdom); van der Poel, C.J.; Valster, A. [Philips Optoelectronics Centre, Prof. Holstlaan 4, 5656 AA Eindhoven (Netherlands)

1995-11-15T23:59:59.000Z

189

Regenerative Fuel Cells: Renewable Energy Storage Devices Based on Neutral Water Input  

SciTech Connect

GRIDS Project: Proton Energy Systems is developing an energy storage device that converts water to hydrogen fuel when excess electricity is available, and then uses hydrogen to generate electricity when energy is needed. The system includes an electrolyzer, which generates and separates hydrogen and oxygen for storage, and a fuel cell which converts the hydrogen and oxygen back to electricity. Traditional systems use acidic membranes, and require expensive materials including platinum and titanium for key parts of the system. In contrast, Proton Energy Systems’ new system will use an inexpensive alkaline membrane and will contain only inexpensive metals such as nickel and stainless steel. If successful, Proton Energy Systems’ system will have similar performance to today’s regenerative fuel cell systems at a fraction of the cost, and can be used to store electricity on the electric grid.

None

2010-09-01T23:59:59.000Z

190

Regeneratively cooled coal combustor/gasifier with integral dry ash removal  

DOE Patents (OSTI)

A coal combustor/gasifier is disclosed which produces a low or medium combustion gas fired furnances or boilers. Two concentric shells define a combustion air flows to provide regenerative cooling of the inner shell for dry ash operation. A fuel flow and a combustion air flow having opposed swirls are mixed and burned in a mixing-combustion portion of the combustion volume and the ash laden combustion products flow with a residual swirl into an ash separation region. The ash is cooled below the fusion temperature and is moved to the wall by centrifugal force where it is entrained in the cool wall boundary layer. The boundary layer is stabilized against ash re-entrainment as it is moved to an ash removal annulus by a flow of air from the plenum through slots in the inner shell, and by suction on an ash removal skimmer slot.

Beaufrere, A.H.

1982-04-30T23:59:59.000Z

191

Advanced Systems  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Systems: Advanced Systems: high Performance fenestration systems Research areas: Research activities to improve the performance of windows and other fenestration products must address window systems issues as well as Glazing Materials research. LBNL activities in the area of Advanced Systems include research at both the product level and the building envelope and building systems levels. Highly insulating windows - using non structural center layers Lower cost solutions to more insulating three layer glazing systems, with the potential to turn windows in U.S. heating dominated residential applications into net-energy gainers. Highly Insulating Window Frames In collaboration with the Norwegian University of Science and Technology, we are researching the potentials for highly insulating window frames. Our initial work examines European frames with reported U-factors under 0.15 Btu/hr-ft2-F. Future research aims to analyze these designs, verify these performance levels and ensure that procedures used to calculate frame performance are accurate.

192

Advanced Combustion  

NLE Websites -- All DOE Office Websites (Extended Search)

Systems Systems Advanced Combustion Background Conventional coal-fired power plants utilize steam turbines to generate electricity, which operate at efficiencies of 35-37 percent. Operation at higher temperatures and pressures can lead to higher efficiencies, resulting in reduced fuel consumption and lower greenhouse gas emissions. Higher efficiency also reduces CO2 production for the same amount of energy produced, thereby facilitating a reduction in greenhouse gas emissions. When combined, oxy-combustion comes with an efficiency hit, so it will actually increase the amount of CO2 to be captured. But without so much N2 in the flue gas, it will be easier and perhaps more efficient to capture, utilize and sequester. NETL's Advanced Combustion Project and members of the NETL-Regional University

193

Advanced Search  

NLE Websites -- All DOE Office Websites (Extended Search)

Publications Publications Advanced Search Most publications by Environmental Energy Technologies Division authors are searchable from this page, including peer-reviewed publications, book chapters, conference proceedings and LBNL reports. Filter Advanced Search Publications list This publications database is an ongoing project, and not all Division publications are represented here yet. For additional help see the bottom of this page. Documents Found: 4418 Title Keyword LBNL Number Author - Any - Abadie, Marc O Abbey, Chad Abdolrazaghi, Mohamad Aberg, Annika Abhyankar, Nikit Abraham, Marvin M Abshire, James B Abushakra, Bass Acevedo-Ruiz, Manuel Aceves, Salvador Ache, Hans J Ackerly, David D Ackerman, Andrew S Adamkiewicz, Gary Adams, J W Adams, Carl Adamson, Bo Addy, Nathan Addy, Susan E Aden, Nathaniel T Adesola, Bunmi Adhikari,

194

Advanced Combustion  

Science Conference Proceedings (OSTI)

The activity reported in this presentation is to provide the mechanical and physical property information needed to allow rational design, development and/or choice of alloys, manufacturing approaches, and environmental exposure and component life models to enable oxy-fuel combustion boilers to operate at Ultra-Supercritical (up to 650{degrees}C & between 22-30 MPa) and/or Advanced Ultra-Supercritical conditions (760{degrees}C & 35 MPa).

Holcomb, Gordon R. [NETL

2013-03-11T23:59:59.000Z

195

Accounting for the Variation of Driver Aggression in the Simulation of Conventional and Advanced Vehicles (Presentation)  

SciTech Connect

This presentation discusses a method of accounting for realistic levels of driver aggression to higher-level vehicle studies, including the impact of variation in real-world driving characteristics (acceleration and speed) on vehicle energy consumption and different powertrains (e.g., conventionally powered vehicles versus electrified drive vehicles [xEVs]). Aggression variation between drivers can increase fuel consumption by more than 50% or decrease it by more than 20% from average. The normalized fuel consumption deviation from average as a function of population percentile was found to be largely insensitive to powertrain. However, the traits of ideal driving behavior are a function of powertrain. In conventional vehicles, kinetic losses dominate rolling resistance and aerodynamic losses. In xEVs with regenerative braking, rolling resistance and aerodynamic losses dominate. The relation of fuel consumption predicted from real-world drive data to that predicted by the industry-standard HWFET, UDDS, LA92, and US06 drive cycles was not consistent across powertrains, and varied broadly from the mean, median, and mode of real-world driving. A drive cycle synthesized by NREL's DRIVE tool accurately and consistently reproduces average real-world for multiple powertrains within 1%, and can be used to calculate the fuel consumption effects of varying levels of driver aggression.

Neubauer, J.; Wood, E.

2013-05-01T23:59:59.000Z

196

Accounting for the Variation of Driver Aggression in the Simulation of Conventional and Advanced Vehicles (Presentation)  

SciTech Connect

This presentation discusses a method of accounting for realistic levels of driver aggression to higher-level vehicle studies, including the impact of variation in real-world driving characteristics (acceleration and speed) on vehicle energy consumption and different powertrains (e.g., conventionally powered vehicles versus electrified drive vehicles [xEVs]). Aggression variation between drivers can increase fuel consumption by more than 50% or decrease it by more than 20% from average. The normalized fuel consumption deviation from average as a function of population percentile was found to be largely insensitive to powertrain. However, the traits of ideal driving behavior are a function of powertrain. In conventional vehicles, kinetic losses dominate rolling resistance and aerodynamic losses. In xEVs with regenerative braking, rolling resistance and aerodynamic losses dominate. The relation of fuel consumption predicted from real-world drive data to that predicted by the industry-standard HWFET, UDDS, LA92, and US06 drive cycles was not consistent across powertrains, and varied broadly from the mean, median, and mode of real-world driving. A drive cycle synthesized by NREL's DRIVE tool accurately and consistently reproduces average real-world for multiple powertrains within 1%, and can be used to calculate the fuel consumption effects of varying levels of driver aggression.

Neubauer, J.; Wood, E.

2013-05-01T23:59:59.000Z

197

Advanced Energy Storage Publications  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Energy Storage Publications Reports: Advanced Technology Development Program For Lithium-Ion Batteries: Gen 2 Performance Evaluation Final Report Advanced Technology...

198

Advanced Manufacturing Office: News  

NLE Websites -- All DOE Office Websites (Extended Search)

Manufacturing Office: News on Twitter Bookmark Advanced Manufacturing Office: News on Google Bookmark Advanced Manufacturing Office: News on Delicious Rank Advanced Manufacturing...

199

PRISM 2.0: Regional Energy and Economic Model Development and Initial Application, US-REGEN Model Documentation  

Science Conference Proceedings (OSTI)

The Electric Power Research Institute (EPRI) has developed a new energy-economy model of the United States under the PRISM 2.0 project called the U.S. Regional Economy, Greenhouse Gas, and Energy (US-REGEN) Model. The model combines a detailed dispatch and capacity expansion model of the United States electric sector with a high-level dynamic computable general equilibrium (CGE) model of the United States economy. ...

2013-09-17T23:59:59.000Z

200

Regeneratively cooled coal combustor/gasifier with integral dry ash removal  

DOE Patents (OSTI)

A coal combustor/gasifier is disclosed which produces a low or medium combustion gas for further combustion in modified oil or gas fired furnaces or boilers. Two concentric shells define a combustion volume within the inner shell and a plenum between them through which combustion air flows to provide regenerative cooling of the inner shell for dry ash operation. A fuel flow and a combustion air flow having opposed swirls are mixed and burned in a mixing-combustion portion of the combustion volume and the ash laden combustion products flow with a residual swirl into an ash separation region. The ash is cooled below the fusion temperature and is moved to the wall by centrifugal force where it is entrained in the cool wall boundary layer. The boundary layer is stabilized against ash re-entrainment as it is moved to an ash removal annulus by a flow of air from the plenum through slots in the inner shell, and by suction on an ash removal skimmer slot.

Beaufrere, Albert H. (Huntington, NY)

1983-10-04T23:59:59.000Z

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Optimization and Demonstration of a Solid Oxide Regenerative Fuel Cell System  

Science Conference Proceedings (OSTI)

Single cell solid oxide regenerative fuel cells (SORFCs) have been demonstrated for over 1000 hours of operation at degradation rates as low as 0.5% per thousand hours for current densities as high as 300mA/cm{sup 2}. Efficiency levels (fuel cell power out vs. electrolysis power in) have been demonstrated in excess of 80% at 100mA/cm{sup 2}. All testing has been performed with metallic based interconnects and non-noble metal electrodes in order to limit fabrication costs for commercial considerations. The SORFC cell technology will be scaled up to a 1kW sized stack which will be demonstrated in Year 2 of the program. A self contained SORFC system requires efficient thermal management in order to maintain operating temperatures during exothermic and endothermic operational modes. The use of LiF as a phase change material (PCM) was selected as the optimum thermal storage medium by virtue of its superior thermal energy density by volume. Thermal storage experiments were performed using LiF and a simulated SORFC stack. The thermal storage concept was deemed to be technically viable for larger well insulated systems, although it would not enable a high efficiency thermally self-sufficient SORFC system at the 1 kW level.

James F. McElroy; Darren B. Hickey; Fred Mitlitsky

2006-09-30T23:59:59.000Z

202

Performance calculations and research direction for a water enhanced regenerative gas turbine cycle  

DOE Green Energy (OSTI)

A cycle has been conceived that combines compressor cooling, humidification, and regenerative air heating with the added enhancement of direct injection of water into the air flow. In this cycle it is proposed that a fine mist of water be injected into the compressor air stream and a spray or film of water into the regenerator air stream. Water injection into the compressor air flow realizes several benefits: it cools the air flow, reducing the power required for compression and increasing the potential for exhaust heat recovery; it adds mass to the air stream, increasing the power produced by expansion; and it reduces the amount of cooling bleed air required by increasing the specific heat and decreasing the temperature of the cooling air stream. The greatest benefit would be derived from spraying a fine mist of water directly into the existing air flow into or before the compressor so that cooling and compression would occur simultaneously. This may be accomplished by entraining the water droplets in the inlet air flow or by introducing the water in stages during compression. An alternative and less technically challenging approach is to extract the air stream to a saturation chamber and then reintroduce the air stream into the compressor. This approach is not as desirable because it would increase the equipment cost and add a significant pressure drop penalty. The second use of water in this cycle is in water-assisted regeneration.

Rogers, L.H. [USDOE Morgantown Energy Technology Center, WV (United States); Archer, D.H. [Carnegie-Mellon Univ., Pittsburgh, PA (United States)

1993-09-01T23:59:59.000Z

203

An electromagnetic and thermodynamic lumped parameter model of an explosively driven regenerative magnetohydrodynamic generator  

DOE Green Energy (OSTI)

The objective of this research is to develop a simple, yet accurate, lumped parameter mathematical model for an explosively driven magnetohydrodynamic generator that can predict the pulse power variables of voltage and current from startup through regenerative operation. The inputs to the model will be the plasma properties entering the generator as predicted by the explosive shock model of Reference [1]. The strategy used was to simplify electromagnetic and thermodynamic three dimensional effects into a zero dimensional model. The model will provide a convenient tool for researchers to optimize designs to be used in pulse power applications. The model is validated using experimental data of Reference [1]. An overview of the operation of the explosively driven generator is first presented. Then a simplified electrical circuit model that describes basic performance of the device is developed. Then a lumped parameter model that incorporates the coupled electromagnetic and thermodynamic effects that govern generator performance is described and developed. The model is based on fundamental physical principles and parameters that were either obtained directly from design data or estimated from experimental data. The model was used to obtain parameter sensitivities and predict beyond the limits observed in the experiments to the levels desired by the potential Department of Defense sponsors. The model identifies process limitations that provide direction for future research.

Morrison, J.L.

1992-12-01T23:59:59.000Z

204

Review of thermally regenerative electrochemical systems. Volume I. Synopsis and executive summary  

SciTech Connect

Thermally regenerative electrochemical systems (TRES) are closed systems that convert heat into electricity in an electrochemical heat engine that is Carnot cycle limited in efficiency. Past and present work on such systems is reviewed. Two broad classes of TRES are based on the types of energy inputs required for regeneration: thermal alone and coupled thermal and electrolytic. The thermal regeneration alone encompasses electrochemical systems (galvanic or fuel cells) in which one or more products are formed. The regeneration can be performed in single or multiple steps. The compounds include metal hydrides, halides, oxides, chalcogenides, and alloys or bimetallic systems. The coupled thermal and electrolytic regeneration encompasses electrochemical systems (galvanic or fuel cells) regenerated by electrolysis at a different temperature or different pressure. Examples include metal halides and water. Thermogalvanic or nonisothermal cells are included in this category. Also included are electrochemical engines in which the working electroactive fluid is isothermally expanded through an electrolyte. TRES cover temperature ranges from about 20/sup 0/C to 1000/sup 0/C. Engines with power outputs of 0.1 mW/cm/sup 2/ to 1 W/cm/sup 2/ have been demonstrated. Recommendations are made of areas of research in science and engineering that would have long-range benefit to a TRES program.

Chum, H. L.; Osteryoung, R. A.

1980-08-01T23:59:59.000Z

205

Mission Advancing  

NLE Websites -- All DOE Office Websites (Extended Search)

NETL Accomplishments NETL Accomplishments - the lab 2 Mission Advancing energy options to fuel our economy, strengthen our security, and improve our environment. Renewed Prosperity Through Technological Innovation - Letter from the Director NETL: the ENERGY lab 4 6 3 Contents Technology Transfer Patents and Commercialization Sharing Our Expertise Noteworthy Publications 60 62 63 64 66 Environment, Economy, & Supply Carbon Capture and Storage Partnerships Work to Reduce Atmospheric CO 2 Demand-Side Efficiencies New NETL Facility Showcases Green Technologies Environment & Economy Materials Mercury Membranes NETL Education Program Produces Significant Achievement Monitoring Water Economy & Supply NETL's Natural Gas Prediction Tool Aids Hurricane Recovery Energy Infrastructure

206

Advanced Research  

NLE Websites -- All DOE Office Websites (Extended Search)

Ductility EnhancEmEnt of molybDEnum Ductility EnhancEmEnt of molybDEnum PhasE by nano-sizED oxiDE DisPErsions Description Using computational modeling techniques, this research aims to develop predictive capabilities to facilitate the design and optimization of molybdenum (Mo), chromium (Cr), and other high-temperature structural materials to enable these materials to withstand the harsh environments of advanced power generation systems, such as gasification-based systems. These types of materials are essential to the development of highly efficient, clean energy technologies such as low-emission power systems that use coal or other fossil fuels.

207

Advanced Research  

NLE Websites -- All DOE Office Websites (Extended Search)

Super HigH-TemperaTure alloyS and Super HigH-TemperaTure alloyS and CompoSiTeS From nb-W-Cr SySTemS Description The U.S. Department of Energy's Office of Fossil Energy (DOE-FE) has awarded a three-year grant to the University of Texas at El Paso (UTEP) and Argonne National Laboratory (ANL) to jointly explore the high-temperature properties of alloys composed of niobium (Nb), tungsten (W), and chromium (Cr). The grant is administered by the Advanced Research (AR) program of the National

208

Advanced Research  

NLE Websites -- All DOE Office Websites (Extended Search)

05/2007 05/2007 NitrogeN evolutioN aNd CorrosioN MeChaNisMs With oxyCoMbustioN of Coal Description Under a grant from the University Coal Research (UCR) program, Brigham Young University (BYU) is leading a three-year research effort to investigate the physical processes that several common types of coal undergo during oxy-fuel combustion. Specifically, research addresses the mixture of gases emitted from burning, particularly such pollutants as nitrogen oxides (NO X ) and carbon dioxide (CO 2 ), and the potential for corrosion at the various stages of combustion. The UCR program is administered by the Advanced Research Program at the National Energy Technology Laboratory (NETL), under the U.S. Department of Energy's Office of

209

STATEMENT OF CONSIDERATIONS REQUEST BY GENERAL MOTORS CORPORATION FOR AN ADVANCE WAIVER  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

ADVANCE WAIVER ADVANCE WAIVER OF DOMESTIC AND FOREIGN INVENTION RIGHTS UNDER DOE COOPERATIVE AGREEMENT NO. DE-FC26-04NT42278; W(A)-04-070, CH-1248 The Petitioner, General Motors Corporation (GM) was awarded this cooperative agreement for the performance of work entitled, "Develop Thermoelectric Technology for Automotive Waste Heat Recovery". The project will address a wide range of crucial economic, engineering and scientific questions to bring this nascent technology from laboratory to market place. This will be a team effort focusing on utilizing the latest materials research breakthrough: incorporating these innovations into thermoelectric modules and subsystems, and integrating them into vehicles. The goal of the program is to achieve and demonstrate a 10% improvement over current brake

210

Regenerative fuel cells for High Altitude Long Endurance Solar Powered Aircraft  

DOE Green Energy (OSTI)

High Altitude Long Endurance (HALE) unmanned missions appear to be feasible using a lightweight, high efficiency, span-loaded, Solar Powered Aircraft (SPA) which includes a Regenerative Fuel Cell (RFC) system and novel tankage for energy storage. An existing flightworthy electric powered flying wing design was modified to incorporate present and near-term technologies in energy storage, power electronics, aerodynamics, and guidance and control in order to design philosophy was to work with vendors to identify affordable near-term technological opportunities that could be applied to existing designs in order to reduce weight, increase reliability, and maintain adequate efficiency of components for delivery within 18 months. The energy storage subsystem for a HALE SPA is a key driver for the entire vehicle because it can represent up to half of the vehicle weight and most missions of interest require the specific energy to be considerably higher than 200 W-hr/kg for many cycles. This stringent specific energy requirement precludes the use of rechargeable batteries or flywheels and suggests examination of various RFC designs. An RFC system using lightweight tankage, a single fuel cell (FC) stack, and a single electrolyzer (EC) stack separated by the length of a spar segment (up to 39 ft), has specific energy of {approximately}300 W-hr/kg with 45% efficiency, which is adequate for HALE SPA requirements. However, this design has complexity and weight penalties associated with thermal management, electrical wiring, plumbing, and structural weight. A more elegant solution is to use unitized RFC stacks (reversible stacks that act as both FCs and ECs) because these systems have superior specific energy, scale to smaller systems more favorably, and have intrinsically simpler thermal management.

Mitlitsky, F.; Colella, N.J.; Myers, B. [Lawrence Livermore National Lab., CA (United States); Anderson, C.J. [Aero Vironment, Inc., Monrovia, CA (United States)

1993-06-02T23:59:59.000Z

211

file:///E|/ev/test/evps.shtml  

NLE Websites -- All DOE Office Websites (Extended Search)

is used as a generator to recharge the batteries when the vehicle is slowing down. During regenerative braking, some of the kinetic energy normally absorbed by the brakes and...

212

Spectral Filtering in a Diode-Pumped Nd:YLF Regenerative Amplifier Using a Volume Bragg Grating  

Science Conference Proceedings (OSTI)

Instrument-limited suppression of out-of-band Amplified Spontaneous Emission (ASE) is demonstrated in a Nd:YLF Diode-Pumped Regenerative Amplifier (DPRA) using a Volume Bragg Grating (VBG) as a spectrally selective reflective element. A VBG with 99.4% diffraction efficiency and 230-pm-FWHM reflection bandwidth produced a 43-pm-FWHM output spectral width in an unseeded DPRA compared to 150-pm FWHM in the same DPRA with no VBG. Instrument-limited ASE suppression is even observed when the DPRA seed pulse energy approaches the ASE background.

Okishev, A.V.; Dorrer, C.; Smirnov, V.I.; Glebov, L.B.; Zuegel, J.D.

2007-06-21T23:59:59.000Z

213

II.AdvancedTcl Advanced Tcl  

E-Print Network (OSTI)

119 P A R T II.AdvancedTcl II Advanced Tcl Part II describes advanced programming techniques that support sophisticated applications. The Tcl interfaces remain simple, so you can quickly construct pow- erful applications. Chapter 10 describes eval, which lets you create Tcl programs on the fly

Chen, Yuanzhu Peter

214

FY2003 Progress Report for Energy Storage Research and Development  

NLE Websites -- All DOE Office Websites (Extended Search)

II-2. Analyses indicated that batteries or ultracapacitors could capture significant regenerative braking energy, enhancing the fuel economy of FCVs. Figure II-2. Energy...

215

TransForum: Volume 5, No. 2, Fall 2005  

NLE Websites -- All DOE Office Websites (Extended Search)

primarily for leveling the load on the internal combustion engine (ICE) and for capturing energy associated with regenerative braking. If fuel prices continue to rise, automakers...

216

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

0 Overall DC electrical energy consumption (DC Whmi) 61 Overall DC electrical energy captured from regenerative braking (DC Whmi) 43 Total number of trips 111,773 Total...

217

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

18 Overall DC electrical energy consumption (DC Whmi) 74 Overall DC electrical energy captured from regenerative braking (DC Whmi) 45 Total number of trips 11,462 Total...

218

Vehicle Technologies Office: Ultracapacitors  

NLE Websites -- All DOE Office Websites (Extended Search)

converter, which would increase the cost of the vehicle. The use of ultracapacitors for regenerative braking can greatly improve fuel efficiency under stop-and-go urban driving...

219

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

50 Overall DC electrical energy consumption (DC Whmi) 39 Overall DC electrical energy captured from regenerative braking (DC Whmi) 28 Total number of trips 10,624 Total...

220

DOE/ID-Number  

NLE Websites -- All DOE Office Websites (Extended Search)

of providing the power required for acceleration. Also, the battery's ability to accept energy from regenerative braking decreased significantly during the operating period....

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

52 Overall DC electrical energy consumption (DC Whmi) 29 Overall DC electrical energy captured from regenerative braking (DC Whmi) 39 Total number of trips 22,071 Total...

222

Stop/Start: Driving  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

generator to the gasoline engine to start it. Battery: The battery is used to store energy generated from the gasoline engine or, during regenerative braking, from the...

223

TransForum n4n3 - Modeling Collaboration  

NLE Websites -- All DOE Office Websites (Extended Search)

turns out, for example, that higher hybridization (more battery power) leads to increased regenerative braking energy but decreased fuel cell system cycle efficiency. The...

224

INL/EXT-09-XXXXX  

NLE Websites -- All DOE Office Websites (Extended Search)

power available during braking. Figures 16 and 20 are pie charts showing the sources of regenerative energy throughout the urban drive cycle for the CD and CS modes,...

225

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

190 Overall DC electrical energy consumption (DC Whmi) 111 Overall DC electrical energy captured from regenerative braking (DC Whmi) 50 Total number of trips 2,055 Total...

226

Energy Conversion Devices Fuel Cell Electrocatalyst Development...  

NLE Websites -- All DOE Office Websites (Extended Search)

Fuel Cell(tm) Texaco Ovonic Fuel Cell Company, LLC non-precious metal catalysts regenerative braking energy absorption capability wide temperature range instant...

227

How Plug-in Hybrids Save Money  

NLE Websites -- All DOE Office Websites (Extended Search)

of gasoline's widespread availability and quick refueling. Plug-in hybrids also save energy through regenerative braking, which recovers much of the energy typically lost when...

228

Stop/Start: Overview  

NLE Websites -- All DOE Office Websites (Extended Search)

visible. Car is stopped at an intersection. Battery: The battery is used to store energy generated from the gasoline engine or, during regenerative braking, from the...

229

TransForum, Vol 4, No. 3  

NLE Websites -- All DOE Office Websites (Extended Search)

out, for exam- ple, that higher hybridization (more battery power) leads to increased regenerative braking energy but decreased fuel cell system cycle efficiency. The...

230

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

45 Overall DC electrical energy consumption (DC Whmi) 29 Overall DC electrical energy captured from regenerative braking (DC Whmi) 39 Total number of trips 10,847 Total...

231

untitled  

NLE Websites -- All DOE Office Websites (Extended Search)

test miles 4 PHEV Advantages * Reduced petroleum consumption and emissions * Recover energy during regenerative braking * Use existing gas station infrastructure * Minimal...

232

Fuel Cell Vehicles  

NLE Websites -- All DOE Office Websites (Extended Search)

gas and oxygen into electricity to power the electric motor; High-Output Battery - Stores energy generated from regenerative braking and provides supplemental power to the electric...

233

Phase Field Model of Li-Plating in Lithium Ion Battery  

Science Conference Proceedings (OSTI)

Abstract Scope, Li plating limits the maximum safe charging rate of Li-ion batteries, and thus the amount of energy that can be captured by regenerative braking.

234

Hybrid: Starting  

NLE Websites -- All DOE Office Websites (Extended Search)

the gasoline engine to the electric motor to the battery. Battery: The battery stores energy generated from the gasoline engine or, during regenerative braking, from the...

235

Environmental Energy Technologies Division News  

NLE Websites -- All DOE Office Websites (Extended Search)

battery recharges), high power (to provide acceptable vehicle acceleration and to receive energy generated during vehicle deceleration, a.k.a. regenerative braking), long lifetime,...

236

untitled  

NLE Websites -- All DOE Office Websites (Extended Search)

electricity source, mostly from power plants via the electric grid * Also captures energy during regenerative braking: electric motor(s) acts as a generator to slow the BEV...

237

FEG2005_BODY_Updates.pmd  

NLE Websites -- All DOE Office Websites (Extended Search)

plugged into an external source of electricity to be recharged; conventional gasoline and regenerative braking provide all the energy the vehicle needs. Potential buyers should...

238

Microsoft PowerPoint - Clean Cities Web Presentation - Francfort...  

NLE Websites -- All DOE Office Websites (Extended Search)

off-board electricity source, mostly from power plants via the electric grid * Captures energy during regenerative braking: electric motor(s) acts as a generator * No...

239

Microsoft Word - Compare Driving Styles_ ETEC Hymotion Prius...  

NLE Websites -- All DOE Office Websites (Extended Search)

Driving intensity is the energy at the wheels used for propulsion. Recaptured energy through regenerative braking is not considered when calculating driving intensity....

240

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

0 Overall DC electrical energy consumption (DC Whmi) 66 Overall DC electrical energy captured from regenerative braking (DC Whmi) 30 Total number of trips 725 Total distance...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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to obtain the most current and comprehensive results.


241

TransForum v5n2 - Argonne's "Composite-Structure" Electrodes...  

NLE Websites -- All DOE Office Websites (Extended Search)

primarily for leveling the load on the internal combustion engine (ICE) and for capturing energy associated with regenerative braking. If fuel prices continue to rise, automakers...

242

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

81 Overall DC electrical energy consumption (DC Whmi) 104 Overall DC electrical energy captured from regenerative braking (DC Whmi) 49 Total number of trips 2,810 Total...

243

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

148 Overall DC electrical energy consumption (DC Whmi) 87 Overall DC electrical energy captured from regenerative braking (DC Whmi) 46 Total number of trips 6,223 Total...

244

Alternative and Advanced Fuels  

Energy.gov (U.S. Department of Energy (DOE))

There are a variety of alternative and advanced fuels available, which are used to fuel alternative and advanced vehicles. Learn more about:

245

Help - Advanced Search  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Search The advanced search form will help you create a more specific search in the Publications database. First, specify your search criteria. You can search by author,...

246

Advanced Materials in MML  

Science Conference Proceedings (OSTI)

... Advanced Materials Characterization. Fusion Wall Development Research by Neutron Depth Profiling. < Previous 1 2 3 Next ». ...

2012-06-12T23:59:59.000Z

247

Third-Party Evaluation of Petro Tex Hydrocarbons, LLC, ReGen Lubricating Oil Re-refining Process  

DOE Green Energy (OSTI)

This report presents an assessment of market, energy impact, and utility of the PetroTex Hydrocarbons, LLC., ReGen process for re-refining used lubricating oil to produce Group I, II, and III base oils, diesel fuel, and asphalt. PetroTex Hydrocarbons, LLC., has performed extensive pilot scale evaluations, computer simulations, and market studies of this process and is presently evaluating construction of a 23 million gallon per year industrial-scale plant. PetroTex has obtained a 30 acre site in the Texas Industries RailPark in Midlothian Texas. The environmental and civil engineering assessments of the site are completed, and the company has been granted a special use permit from the City of Midlothian and air emissions permits for the Texas Commission on Environmental Quality.

Compere, A L [ORNL; Griffith, William {Bill} L [ORNL

2009-04-01T23:59:59.000Z

248

STATEMENT OF CONSIDERATIONS REQUEST BY CATERPILLAR, INC. FOR AN ADVANCE WAIVER OF PATENT  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

5NT42423; W(A)-05-052; CH-1339 5NT42423; W(A)-05-052; CH-1339 As set out in the attached waiver petition and in subsequent discussions with DOE Patent Counsel, Caterpillar, Inc. (Caterpillar) has requested an advance waiver of domestic and foreign patent rights for all subject inventions made under the above subject cooperative agreement. The waiver will apply to inventions made by Caterpillar employees and its subcontractors' employees, regardless of tier, except inventions made by subcontractors eligible to retain title to inventions pursuant to P.L. 96-517, as amended, and National Laboratories. Referring to item 2 of Caterpillar's petition, the purpose of this agreement is to develop a new air management and exhaust energy recovery system that will demonstrate a 10% improvement in thermal efficiency over the base engine (e.g. 40% brake efficiency to 44%) with

249

Micropower chemical fuel-to-electric conversion : a "regenerative flip" hydrogen concentration cell promising near carnot efficiency.  

DOE Green Energy (OSTI)

Although battery technology is relatively mature, power sources continue to impose serious limitations for small, portable, mobile, or remote applications. A potentially attractive alternative to batteries is chemical fuel-to-electric conversion. Chemical fuels have volumetric energy densities 4 to 10 times those of batteries. However, realizing this advantage requires efficient chemical fuel-to-electric conversion. Direct electrochemical conversion would be the ideal, but, for most fuels, is generally not within the state-of-the-science. Next best, chemical-to-thermal-to-electric conversion can be attractive if efficiencies can be kept high. This small investigative project was an exploration into the feasibility of a novel hybrid (i.e., thermal-electrochemical) micropower converter of high theoretical performance whose demonstration was thought to be within near-term reach. The system is comprised of a hydrogen concentration electrochemical cell with physically identical hydrogen electrodes as anode and cathode, with each electrode connected to physically identical hydride beds each containing the same low-enthalpy-of-formation metal hydride. In operation, electrical power is generated by a hydrogen concentration differential across the electrochemical cell. This differential is established via coordinated heating and passive cooling of the corresponding hydride source and sink. Heating is provided by the exothermic combustion (i.e., either flame combustion or catalytic combustion) of a chemical fuel. Upon hydride source depletion, the role of source and sink are reversed, heating and cooling reversed, electrodes commutatively reversed, cell operation reversed, while power delivery continues unchanged. This 'regenerative flip' of source and sink hydride beds can be cycled continuously until all available heating fuel is consumed. Electricity is efficiently generated electrochemically, but hydrogen is not consumed, rather the hydrogen is regeneratively cycled as an electrochemical 'working fluid'.

Wally, Karl

2006-05-01T23:59:59.000Z

250

Oxygen enriched combustion system performance study. Phase 2: 100 percent oxygen enriched combustion in regenerative glass melters, Final report  

Science Conference Proceedings (OSTI)

The field test project described in this report was conducted to evaluate the energy and environmental performance of 100% oxygen enriched combustion (100% OEC) in regenerative glass melters. Additional objectives were to determine other impacts of 100% OEC on melter operation and glass quality, and to verify on a commercial scale that an on-site Pressure Swing Adsorption oxygen plant can reliably supply oxygen for glass melting with low electrical power consumption. The tests constituted Phase 2 of a cooperative project between the United States Department of Energy, and Praxair, Inc. Phase 1 of the project involved market and technical feasibility assessments of oxygen enriched combustion for a range of high temperature industrial heating applications. An assessment of oxygen supply options for these applications was also performed during Phase 1, which included performance evaluation of a pilot scale 1 ton per day PSA oxygen plant. Two regenerative container glass melters were converted to 100% OEC operation and served as host sites for Phase 2. A 75 ton per day end-fired melter at Carr-Lowrey Glass Company in Baltimore, Maryland, was temporarily converted to 100% OEC in mid- 1990. A 350 tpd cross-fired melter at Gallo Glass Company in Modesto, California was rebuilt for permanent commercial operation with 100% OEC in mid-1991. Initially, both of these melters were supplied with oxygen from liquid storage. Subsequently, in late 1992, a Pressure Swing Adsorption oxygen plant was installed at Gallo to supply oxygen for 100% OEC glass melting. The particular PSA plant design used at Gallo achieves maximum efficiency by cycling the adsorbent beds between pressurized and evacuated states, and is therefore referred to as a Vacuum/Pressure Swing Adsorption (VPSA) plant.

Tuson, G.B.; Kobayashi, H.; Campbell, M.J.

1994-08-01T23:59:59.000Z

251

Nuclear fusion advances  

Science Conference Proceedings (OSTI)

The last decade has seen advances in the shaping and confinement of plasmas, and in approaches to noninductive current drive. Here, the author presents an overview of nuclear fusion advances between 1983-93 examining: fusion milestones; plasma shaping; ...

W. Sweet

1994-02-01T23:59:59.000Z

252

AdvAnced  

NLE Websites -- All DOE Office Websites (Extended Search)

AdvAnced test reActor At the InL advanced Unlike large, commercial power reactors, ATR is a low- temperature, low-pressure reactor. A nuclear reactor is basically an elaborate tool...

253

ADVANCED DATA SECURITY  

Science Conference Proceedings (OSTI)

ADVANCED DATA SECURITY. NVLAP Lab Code: 200968-0. Address and Contact Information: 1933 O'Toole Avenue San ...

2013-11-08T23:59:59.000Z

254

Fatigue of Advanced Materials  

Science Conference Proceedings (OSTI)

Oct 19, 2011... isolate the internal components from the external environment while ... overall thermal efficiency of advanced internal combustion engines ...

255

Advancement of Electrochromic Windows  

E-Print Network (OSTI)

advanced spectrally selective low-e double-pane windows and the same type of daylighting control system

2006-01-01T23:59:59.000Z

256

Advanced High Frequency Devices  

Science Conference Proceedings (OSTI)

... External agencies, including the Defense Advanced Research Projects Agency (DARPA) and the Office of Naval Research (ONR), have ...

2010-10-05T23:59:59.000Z

257

Supporting Advanced Communications Networks  

Science Conference Proceedings (OSTI)

... it will rely on revolutionary advances in network architecture. ... telemedicine), sensor and control networks (eg, Smart Grid, environmental monitoring ...

2012-02-13T23:59:59.000Z

258

Advanced Manufacturing Office: Better Plants  

NLE Websites -- All DOE Office Websites (Extended Search)

Better Plants on Twitter Bookmark Advanced Manufacturing Office: Better Plants on Google Bookmark Advanced Manufacturing Office: Better Plants on Delicious Rank Advanced...

259

Advanced Manufacturing Office: Pump Systems  

NLE Websites -- All DOE Office Websites (Extended Search)

Pump Systems on Twitter Bookmark Advanced Manufacturing Office: Pump Systems on Google Bookmark Advanced Manufacturing Office: Pump Systems on Delicious Rank Advanced...

260

Session: CSP Advanced Systems -- Advanced Overview (Presentation)  

DOE Green Energy (OSTI)

The project description is: (1) it supports crosscutting activities, e.g. advanced optical materials, that aren't tied to a single CSP technology and (2) it supports the 'incubation' of new concepts in preliminary stages of investigation.

Mehos, M.

2008-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

A new structure for bidirectional power flow  

Science Conference Proceedings (OSTI)

In this paper, methods of energy recovery for electric motors in braking mode are presented. Also for motors with low and medium regenerative power, a low cost and simple structure is proposed. In this method, for converting the high voltage of DC bus ... Keywords: bidirectional power flow, energy saving, regenerative brake

Seyed Borhan Azimi; Hassan Ghafoori Fard

2005-03-01T23:59:59.000Z

262

Regenerative amplification of picosecond 10-{mu}m pulses in a high-pressure optically pumped CO{sub 2} laser  

Science Conference Proceedings (OSTI)

A model is developed and numerical calculations are performed for the regenerative amplification of seed picosecond 10-{mu}m radiation pulses in a high-pressure optically pumped CO{sub 2} laser. It is established that by varying the cavity parameters, the conditions of efficient regenerative amplification may be optimised for the case of a relatively short-duration (50 ns) solid-state Cr:Er:YSGG laser and 'long-duration' (250 ns) electrodischarge chemical HF laser. It is shown that the schemes of a CO{sub 2} amplifier with optical pumping presented allow obtaining the pulses with the duration of 3ps, output energy of 1-5 mJ, and peak power of {approx}1 GW at the pump energy of 150-200 mJ. (lasers and amplifiers)

Gordienko, Vyacheslav M; Platonenko, Viktor T [Lomonosov Moscow State University, Faculty of Physics, Moscow (Russian Federation)

2011-01-24T23:59:59.000Z

263

Advanced Manufacturing Office: Technical Assistance  

NLE Websites -- All DOE Office Websites (Extended Search)

Assistance on Twitter Bookmark Advanced Manufacturing Office: Technical Assistance on Google Bookmark Advanced Manufacturing Office: Technical Assistance on Delicious Rank...

264

Advanced Manufacturing Office: Financial Opportunities  

NLE Websites -- All DOE Office Websites (Extended Search)

on Twitter Bookmark Advanced Manufacturing Office: Financial Opportunities on Google Bookmark Advanced Manufacturing Office: Financial Opportunities on Delicious Rank...

265

PRISM 2.0: Personal Transportation Module of the U.S. Regional Economy, Greenhouse Gas, and Energy (US-REGEN) Model: A Guide to Operation and Development  

Science Conference Proceedings (OSTI)

The personal transportation/electric vehicle penetration module (Transportation Module) of the U.S. Regional Economy, Greenhouse Gas, and Energy (US-REGEN) integrated regional macroeconomic model is a structural economic model of personal vehicle purchase and driving behaviors that focuses on the adoption of electric vehicles. The module employs a representation of consumers’ demographics, existing vehicles, vehicle choices, and preferences for vehicle characteristics to model personal vehicle ...

2013-09-26T23:59:59.000Z

266

PRISM 2.0: Estimating Energy Substitution Parameters for the U.S. Regional Economy, Greenhouse Gas, and Energy (US-REGEN) Model  

Science Conference Proceedings (OSTI)

Under the PRISM 2.0 Project, the Electric Power Research Institute (EPRI) developed the U.S. Regional Economy, Greenhouse Gas, and Energy (US-REGEN) model that can assess the impact of various climate, energy, and environmental policies on the electric power sector, the energy system, and the overall U.S. economy. This model represents energy efficiency potential through elasticities of substitution between energy and capital. EPRI has contracted with M. K. Jaccard and Associates Inc. to determine ...

2013-09-30T23:59:59.000Z

267

Regenerative amplification of femtosecond pulses: Design and construction of a sub-100fs, {mu}J laser system  

Science Conference Proceedings (OSTI)

Femtosecond lasers are a powerful tool for a wealth of applications in physics, chemistry and biology. In most cases, however, their use is fundamentally restricted to a rather narrow spectral range. This thesis deals with the construction and characterization of a femtosecond light source for spectroscopic applications which overcomes that restriction. It is demonstrated how the output of a continuously pumped Ti:sapphire femtosecond oscillator is amplified to the {mu}J level, while the pulse duration remains below 100fs. A combination of continuous pumping, acousto-optic switching and Ti:Al{sub 2}O{sub 3} as a gain medium allows amplification at high repetition rates. By focusing the high energy pulses into a sapphire crystal, a broad-band continuum can be generated, extended in wavelengths over several hundred nanometers. To accomplish amplification of three orders of magnitude while maintaining the pulse length, a regenerative multipass amplifier system was built. The thesis describes theoretical design, realization and characterization of the system. Theoretical calculations and preliminary measurements were carried out and allow a critical evaluation of the final performance.

Schumacher, A.B. [Universitaet Karlsruhe (Germany). Institut fuer Angewandte Physik]|[Lawrence Berkeley National Lab., CA (United States)

1996-10-01T23:59:59.000Z

268

Regenerative Amplification of Femtosecond Pulses: Design andConstruction of a sub-100fs, muon J Laser System  

Science Conference Proceedings (OSTI)

Femtosecond lasers are a powerful tool for a wealth of applications in physics, chemistry and biology. In most cases, however, their use is fundamentally restricted to a rather narrow spectral range. This thesis deals with the construction and characterization of a femtosecond light source for spectroscopic applications which overcomes that restriction. It is demonstrated how the output of a continuously pumped Ti:sapphire femtosecond oscillator is amplified to the {mu}J level,while the pulse duration remains below 100 fs. A combination of continuous pumping, acousto-optic switching and Ti:Al{sub 2}O{sub 3} as a gain medium allows amplification at high repetition rates. By focusing the high energy pulses into a sapphire crystal, a broad-band continuum can be generated, extended in wavelengths over several hundred nanometers. To accomplish amplification of three orders of magnitude while maintaining the pulse length, a regenerative multipass amplifier system was built. The thesis describes theoretical design, realization and characterization of the system. Theoretical calculations and preliminary measurements were carried out and allow a critical evaluation of the final performance.

Schumacher, Andreas B.

1996-10-01T23:59:59.000Z

269

Advanced Concepts Breakout Group  

NLE Websites -- All DOE Office Websites (Extended Search)

Workshop Workshop Advanced Concepts Working Group Facilitator: John J. Petrovic Scribe: Sherry Marin Advanced Storage Techniques/ Approaches in Priority Order 1. Crystalline Nanoporous Materials (15) 2. Polymer Microspheres (12) Self-Assembled Nanocomposites (12) 3. Advanced Hydrides (11) Metals - Organic (11) 4. BN Nanotubes (5) Hydrogenated Amorphous Carbon (5) 5. Mesoporous materials (4) Bulk Amorphous Materials (BAMs) (4) 6. Iron Hydrolysis (3) 7. Nanosize powders (2) 8. Metallic Hydrogen (1) Hydride Alcoholysis (1) Overarching R&D Questions for All Advanced Materials * Maximum storage capacity - theoretical model * Energy balance / life cycle analysis * Hydrogen absorption / desorption kinetics * Preliminary cost analysis - potential for low cost, high

270

Institute for Advanced Studies  

NLE Websites -- All DOE Office Websites (Extended Search)

Institute for Advanced Studies Institute for Advanced Studies Institute for Advanced Studies NMC leverages the strengths of three research universities to build joint programs, develop strategic partnerships, provide common organization and facilities. Contact Leader TBD LANL Program Administrator Pam Hundley (505) 663-5453 Email Building regional partnerships in education, leveraging strengths of three research universities The Institute for Advanced Studies (IAS) works with the three New Mexico research universities (University of New Mexico, New Mexico Tech, and New Mexico State University) to develop research and educational collaborations and partnerships. To facilitate interactions between the universities and LANL, the three New Mexico schools established the New Mexico Consortium (NMC), a nonprofit

271

Advanced Materials | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

Research Areas Research Areas Research Highlights Facilities and Capabilities Science to Energy Solutions News & Awards Events and Conferences Supporting Organizations Directionally Solidified Materials Using high-temperature optical floating zone furnace to produce monocrystalline molybdenum alloy micro-pillars Home | Science & Discovery | Advanced Materials Advanced Materials | Advanced Materials SHARE ORNL has the nation's most comprehensive materials research program and is a world leader in research that supports the development of advanced materials for energy generation, storage, and use. We have core strengths in three main areas: materials synthesis, characterization, and theory. In other words, we discover and make new materials, we study their structure,

272

Advanced Research Materials Program  

NLE Websites -- All DOE Office Websites (Extended Search)

materials requirements for all fossil energy systems, including materials for advanced power generation and coal fuels technologies. Examples of these technologies include coal...

273

Project: Advanced Fire Detection  

Science Conference Proceedings (OSTI)

... residential fire deaths through development of measurement ... Beyond advances in sensing technologies, a key ... data will be used to develop and test ...

2013-05-30T23:59:59.000Z

274

advance meeting brochure  

Science Conference Proceedings (OSTI)

May 23, 1999 ... Ponte Vedra Beach, Florida, USA. ADVANCE PROGRAM ..... but she has two enclosed glass-sided decks, an out- side balcony and the ...

275

Brochures | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Podcasts Image Gallery external site Video Library Syndicated Feeds (RSS) The Advanced Photon Source: Lighting the Way to a Better Tomorrow aps brochure The APS helps...

276

Divisions | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Chart Argonne Research Divisions APS Research Divisions In May 2002, The Advanced Photon Source was reorganized into three divisions: the Accelerator Systems Division...

277

Advanced Mixing Models  

Propose mixing indicators. Turbulence kinetic energy ... (Turbulence intensity observed at Point 8 in Tank B & C) Advanced Mixing Models. Computational Sciences. 13.

278

Advancement in Battery Materials  

Science Conference Proceedings (OSTI)

Oct 18, 2010 ... Advanced Electrochemical Storage for Renewable Integration and Utility Applications: Zhenguo "Gary" Yang1; Dawon Choi1; Gordon Graff1; ...

279

OpenADR Advances  

NLE Websites -- All DOE Office Websites (Extended Search)

Volume 54 Issue 11 Date Published 112012 Keywords communication and standards, openadr, smart grid Abstract An important goal for the advancement of smart grid deployments is to...

280

DOE Advanced Protection Project  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Task 3 - Advanced Protection - Evaluate measures - 2009 - Design, model Irvine Smart Grid Demo protection system - 2010 6 Copyright 2010, Southern California Edison Task 1 -...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

An Analysis of Energy Savings Possible Through Advances in Automotive Tooling Technology  

SciTech Connect

The use of lightweight and highly formable advanced materials in automobile and truck manufacturing has the potential to save fuel. Advances in tooling technology would promote the use of these materials. This report describes an energy savings analysis performed to approximate the potential fuel savings and consequential carbon-emission reductions that would be possible because of advances in tooling in the manufacturing of, in particular, non-powertrain components of passenger cars and heavy trucks. Separate energy analyses are performed for cars and heavy trucks. Heavy trucks are considered to be Class 7 and 8 trucks (trucks rated over 26,000 lbs gross vehicle weight). A critical input to the analysis is a set of estimates of the percentage reductions in weight and drag that could be achieved by the implementation of advanced materials, as a consequence of improved tooling technology, which were obtained by surveying tooling industry experts who attended a DOE Workshop, Tooling Technology for Low-Volume Vehicle Production, held in Seattle and Detroit in October and November 2003. The analysis is also based on 2001 fuel consumption totals and on energy-audit component proportions of fuel use due to drag, rolling resistance, and braking. The consumption proportions are assumed constant over time, but an allowance is made for fleet growth. The savings for a particular component is then the product of total fuel consumption, the percentage reduction of the component, and the energy audit component proportion. Fuel savings estimates for trucks also account for weight-limited versus volume-limited operations. Energy savings are assumed to be of two types: (1) direct energy savings incurred through reduced forces that must be overcome to move the vehicle or to slow it down in braking. and (2) indirect energy savings through reductions in the required engine power, the production and transmission of which incur thermodynamic losses, internal friction, and other inefficiencies. Total savings for an energy use component are estimated by scaling up the direct savings with an approximate total-to-direct savings ratio. Market penetration for new technology vehicles is estimated from projections about scrappage. Retrofit savings are assumed negligible, but savings are also assumed to accrue with increases in the fleet size, based on economic growth forecasts. It is assumed that as vehicles in the current fleet are scrapped, they are replaced with advanced-technology vehicles. Saving estimates are based on proportions of new vehicles, rather than new-vehicle mileages. In practice, of course, scrapped vehicles are often replaced with used vehicles, and used vehicles are replaced with new vehicles. Because new vehicles are typically driven more than old, savings estimates based on count rather than mileage proportions tend to be biased down (i.e., conservative). Savings are expressed in terms of gallons of fuel saved, metric tons of CO2 emissions reductions, and percentages relative to 2001 levels of fuel and CO2. The sensitivity of the savings projections to inputs such as energy-audit proportions of fuel consumed for rolling resistance, drag, braking, etc. is assessed by considering different scenarios. Though based on many approximations, the estimates approximate the potential energy savings possible because of improvements in tooling. For heavy trucks, annual diesel savings of 2.4-6.8 percent, and cumulative savings on the order of 54-154 percent, of 2001 consumption could accrue by 2050. By 2050, annual gasoline savings of 2.8-12 percent, and cumulative savings on the order of 83-350 percent of 2001 consumption could accrue for cars.

Rick Schmoyer, RLS

2004-12-03T23:59:59.000Z

282

Kansas Advanced Semiconductor Project  

SciTech Connect

KASP (Kansas Advanced Semiconductor Project) completed the new Layer 0 upgrade for D0, assumed key electronics projects for the US CMS project, finished important new physics measurements with the D0 experiment at Fermilab, made substantial contributions to detector studies for the proposed e+e- international linear collider (ILC), and advanced key initiatives in non-accelerator-based neutrino physics.

Baringer, P.; Bean, A.; Bolton, T.; Horton-Smith, G.; Maravin, Y.; Ratra, B.; Stanton, N.; von Toerne, E.; Wilson, G.

2007-09-21T23:59:59.000Z

283

Advanced Windows Test Facility  

NLE Websites -- All DOE Office Websites (Extended Search)

Exterior of Advanced Windows Test Facility Exterior of Advanced Windows Test Facility Advanced Windows Test Facility This multi-room laboratory's purpose is to test the performance and properties of advanced windows and window systems such as electrochromic windows, and automatically controlled shutters and blinds. The lab simulates real-world office spaces. Embedded instrumentation throughout the lab records solar gains and losses for specified time periods, weather conditions, energy use, and human comfort indicators. Electrochromic glazings promise to be a major advance in energy-efficient window technology, helping to achieve the goal of transforming windows and skylights from an energy liability in buildings to an energy source. The glazing can be reversibly switched from a clear to a transparent, colored

284

Advanced Fuels Synthesis  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Fuels Synthesis Advanced Fuels Synthesis Coal and Coal/Biomass to Liquids Advanced Fuels Synthesis The Advanced Fuels Synthesis Key Technology is focused on catalyst and reactor optimization for producing liquid hydrocarbon fuels from coal/biomass mixtures, supports the development and demonstration of advanced separation technologies, and sponsors research on novel technologies to convert coal/biomass to liquid fuels. Active projects within the program portfolio include the following: Fischer-Tropsch fuels synthesis Small Scale Coal Biomass Liquids Production Using Highly Selective Fischer Tropsch Catalyst Small Scale Pilot Plant for the Gasification of Coal and Coal/Biomass Blends and Conversion of Derived Syngas to Liquid Fuels Via Fischer-Tropsch Synthesis Coal Fuels Alliance: Design and Construction of Early Lead Mini Fischer-Tropsch Refinery

285

A 350 mu W CMOS MSK Transmitter and 400 mu W OOK Super-Regenerative Receiver for Medical Implant Communications  

E-Print Network (OSTI)

Recent advances in the medical field are spurring the need for ultra-low power transceivers for wireless communication with medical implants. To deal with the growing demand for medical telemetry, the FCC commissioned the ...

Dawson, Joel L.

286

NETL: Advanced Research  

NLE Websites -- All DOE Office Websites (Extended Search)

AR AR Coal and Power Systems Advanced Research 12.11.13: Request for Information entitled "Novel Crosscutting Research and Development to Support Advanced Energy Systems". Application due date is January 15, 2014. The RFI and/or instructions can be found on the FedConnect site at FedConnect. Achieving Successes in High Performance Materials, Coal Utilization Sciences, Sensors & Controls Innovations, Computational Energy Sciences, Cooperative Research and Development, and sponsoring Education Initiatives. The Advanced Research (AR) program within NETL's Office of Coal and Power Systems fosters the development of innovative, cost-effective technologies for improving the efficiency and environmental performance of advanced coal and power systems. In addition, AR bridges the gap between fundamental

287

Advanced Chlorophyll Fluorometer  

To advance miniaturization of the AquaSentinel environmental monitoring technology, ORNL and the University of Tennessee researchers developed a microfluidics-based pulse amplitude modulation (PAM) chlorophyll fluorometer—the first of its ...

288

Advancement of Electrochromic Windows  

E-Print Network (OSTI)

Research Energy Systems Integration Advancement ofintegration issues related to using EC windows within a whole building energy efficient systemenergy- savings benefit with EC-daylighting-HVAC integration (assuming a conventional VAV system

2006-01-01T23:59:59.000Z

289

Advanced Cathode Catalysts  

NLE Websites -- All DOE Office Websites (Extended Search)

Fuel Cell Research 1 HFCIT Program Kick-off Meeting, Arlington, VA, February 13-14, 2007 Program Kick-off Meeting Arlington, Virginia, February 13-14, 2007 Advanced Cathode...

290

Search Asia Advanced Search  

E-Print Network (OSTI)

Asia Times Search Asia Times Advanced Search Southeast Asia Malaysia tackles illegal logging:52:14 AM Search #12;Asia Times illegal logging," he said, adding that nine Malaysians had been arrested

291

Search Asia Advanced Search  

E-Print Network (OSTI)

Asia Times Search Asia Times Advanced Search Southeast Asia Indonesia looks to curb log smuggling.html (1 of 2)9/4/2007 12:59:34 PM Search #12;Asia Times No material from Asia Times Online may

292

About | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

the APS Welcome to the Advanced Photon Source Here you will find an introduction and tour of the facility, as well as information about the organizations and opportunities at...

293

Nanostructured Materials for Advanced  

E-Print Network (OSTI)

of electric vehicles (EVs) and hybrid electric vehicles (HEVs). High energy and high power densitiesT Nanostructured Materials for Advanced Li-Ion Rechargeable Batteries THE RECENT INCREASE IN demand

Cao, Guozhong

294

Advanced Distribution Monitoring  

Science Conference Proceedings (OSTI)

Advanced Distribution Automation (ADA) is a concept for a fully controllable and flexible distribution system that will facilitate the exchange of electrical energy AND information between participants and system components. Advances in the monitoring of system parameters like voltages, currents and breaker/switch positions as well as environmental variables like temperature and wind speed will be required in order to fully implement ADA. This report presents background information on distribution monito...

2005-12-05T23:59:59.000Z

295

Advanced drilling systems study  

DOE Green Energy (OSTI)

This work was initiated as part of the National Advanced Drilling and Excavation Technologies (NADET) Program. It is being performed through joint finding from the Department of Energy Geothermal Division and the Natural Gas Technology Branch, Morgantown Energy Technology Center. Interest in advanced drilling systems is high. The Geothermal Division of the Department of Energy has initiated a multi-year effort in the development of advanced drilling systems; the National Research Council completed a study of drilling and excavation technologies last year; and the MIT Energy Laboratory recently submitted a proposal for a national initiative in advanced drilling and excavation research. The primary reasons for this interest are financial. Worldwide expenditures on oil and gas drilling approach $75 billion per year. Also, drilling and well completion account for 25% to 50% of the cost of producing electricity from geothermal energy. There is incentive to search for methods to reduce the cost of drilling. Work on ideas to improve or replace rotary drilling technology dates back at least to the 1930`s. There was a significant amount of work in this area in the 1960`s and 1970`s; and there has been some continued effort through the 1980`s. Undoubtedly there are concepts for advanced drilling systems that have yet to be studied; however, it is almost certain that new efforts to initiate work on advanced drilling systems will build on an idea or a variation of an idea that has already been investigated. Therefore, a review of previous efforts coupled with a characterization of viable advanced drilling systems and the current state of technology as it applies to those systems provide the basis for the current study of advanced drilling.

Pierce, K.G. [Sandia National Labs., Albuquerque, NM (United States); Livesay, B.J. [Livesay Consultants, San Diego, CA (United States)

1995-03-01T23:59:59.000Z

296

NETL: Advanced NOx Emissions Control  

NLE Websites -- All DOE Office Websites (Extended Search)

Home > Technologies > Coal & Power Systems > Innovations for Existing Plants > Advanced NOx Emissions Control Innovations for Existing Plants Advanced NOx Emissions Control Adv....

297

Advance Electronics | Open Energy Information  

Open Energy Info (EERE)

Advance Electronics Jump to: navigation, search Name Advance Electronics Place United Kingdom Zip LL14 3YR Product Develop and deliver power conditioners, transient suppressors,...

298

Argon-ion-pumped and diode-pumped all-solid-state femtosecond Cr:LiSrAlF{sub 6} regenerative amplifiers  

Science Conference Proceedings (OSTI)

A tunable femtosecond solid-state amplifier system that uses only 3 W of 488-nm argon-ion pump power has been demonstrated to deliver microjoule pulses at repetition rates up to 20 kHz, with a maximum pulse energy of 14 {mu}J obtained at 5 kHz. An all-solid-state, tunable, diode-pumped Cr:LiSrAlF{sub 6} regenerative amplifier has been demonstrated, for the first time to our knowledge, that amplifies femtosecond pulses to energies exceeding 1 {mu}J at up to a 16-kHz repetition rate.

Hyde, S.C.W.; Barry, N.P.; Mellish, R.; French, P.M.W.; Taylor, J.R. [Femtosecond Optics Group, Department of Physics, Imperial College of Science and Technology, Prince Consort Road, London SW7 2BZ (United Kingdom); van der Poel, C.J.; Valster, A. [Philips Optoelectronics Centre, Prof. Holstlann 4, 5656 AA Eindhoven (Netherlands)

1995-01-15T23:59:59.000Z

299

Solar-MEC development program. Project 9103 third quarter progress report, March 1--May 31, 1978. [Desiccant wheel and regenerative heat exchange wheel performance  

DOE Green Energy (OSTI)

During the third quarter of the Solar-MEC program, work continued on developing the computer model simulating the desiccant wheel behavior (Task 1) and assessing the performance of the regenerative heat exchange wheel (Task 3). This report specifically presents the results obtained using the computer model as an analytical tool to evaluate design and operating conditions to optimize the wheel's performance. It also contains evaluations of two different available heat transfer matrixes: the currently used aluminum honeycomb and a new product, a potentially less-expensive, corrugated aluminum material. The mathematical modeling and diagnostic evaluations and ways of improving the component and machine performance were identified and are described for both tasks.

Wurm, J.; Weil, S.A.; Zawacki, T.S.; Kinast, J.A.; Macriss, R.A.

1978-12-01T23:59:59.000Z

300

Advanced Vehicle Technologies Awards | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Advanced Vehicle Technologies Awards Advanced Vehicle Technologies Awards Microsoft Word - VTP 175 Advanced Vehicle Tech project descriptions draft v5 8-2-11 AdvancedVehiclesTechn...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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301

CS4353 Course Outline Advanced Graphics ?  

E-Print Network (OSTI)

• Introduce advanced interactive computer graphics concepts • Introduce advanced architecture of computer graphics devices • Introduce advanced mathematical representation of graphic images • Develop advanced graphics programming skills

Instructor John; E. Howl

2009-01-01T23:59:59.000Z

302

Advanced Techniques for Power System Identification from Measured Data  

SciTech Connect

Time-synchronized measurements provide rich information for estimating a power-system's electromechanical modal properties via advanced signal processing. This information is becoming critical for the improved operational reliability of interconnected grids. A given mode's properties are described by its frequency, damping, and shape. Modal frequencies and damping are useful indicators of power-system stress, usually declining with increased load or reduced grid capacity. Mode shape provides critical information for operational control actions. This project investigated many advanced techniques for power system identification from measured data focusing on mode frequency and damping ratio estimation. Investigators from the three universities coordinated their effort with Pacific Northwest National Laboratory (PNNL). Significant progress was made on developing appropriate techniques for system identification with confidence intervals and testing those techniques on field measured data and through simulation. Experimental data from the western area power system was provided by PNNL and Bonneville Power Administration (BPA) for both ambient conditions and for signal injection tests. Three large-scale tests were conducted for the western area in 2005 and 2006. Measured field PMU (Phasor Measurement Unit) data was provided to the three universities. A 19-machine simulation model was enhanced for testing the system identification algorithms. Extensive simulations were run with this model to test the performance of the algorithms. University of Wyoming researchers participated in four primary activities: (1) Block and adaptive processing techniques for mode estimation from ambient signals and probing signals, (2) confidence interval estimation, (3) probing signal design and injection method analysis, and (4) performance assessment and validation from simulated and field measured data. Subspace based methods have been use to improve previous results from block processing techniques. Bootstrap techniques have been developed to estimate confidence intervals for the electromechanical modes from field measured data. Results were obtained using injected signal data provided by BPA. A new probing signal was designed that puts more strength into the signal for a given maximum peak to peak swing. Further simulations were conducted on a model based on measured data and with the modifications of the 19-machine simulation model. Montana Tech researchers participated in two primary activities: (1) continued development of the 19-machine simulation test system to include a DC line; and (2) extensive simulation analysis of the various system identification algorithms and bootstrap techniques using the 19 machine model. Researchers at the University of Alaska-Fairbanks focused on the development and testing of adaptive filter algorithms for mode estimation using data generated from simulation models and on data provided in collaboration with BPA and PNNL. There efforts consist of pre-processing field data, testing and refining adaptive filter techniques (specifically the Least Mean Squares (LMS), the Adaptive Step-size LMS (ASLMS), and Error Tracking (ET) algorithms). They also improved convergence of the adaptive algorithms by using an initial estimate from block processing AR method to initialize the weight vector for LMS. Extensive testing was performed on simulated data from the 19 machine model. This project was also extensively involved in the WECC (Western Electricity Coordinating Council) system wide tests carried out in 2005 and 2006. These tests involved injecting known probing signals into the western power grid. One of the primary goals of these tests was the reliable estimation of electromechanical mode properties from measured PMU data. Applied to the system were three types of probing inputs: (1) activation of the Chief Joseph Dynamic Brake, (2) mid-level probing at the Pacific DC Intertie (PDCI), and (3) low-level probing on the PDCI. The Chief Joseph Dynamic Brake is a 1400 MW disturbance to the system and is injected for a ha

Pierre, John W.; Wies, Richard; Trudnowski, Daniel

2008-11-25T23:59:59.000Z

303

NETL: Advanced Research - Successes  

NLE Websites -- All DOE Office Websites (Extended Search)

Successes Successes Advanced Research Successes Sensors & Controls "...Optical grade single-crystal sapphire optical fiber waveguides are especially attractive for fabricating sensors for the harsh high-temperature, corrosive environments found in gasifiers." Read More... "Industry adoption of CCADS will open the door to a new generation of more efficient, ultra-low emission turbines in advanced energy systems" Read More... Bioprocessing " Successful development and commercial application of this environmentally safe bacterial toxin will allow power plants to reduce or eliminate the use of chlorination, reducing the risk of harmful effects on aquatic ecosystems." Advanced Materials " This project will benefit gasification technology development and deployment by improving materials to contain and monitor gasification processes." Read More...

304

Geothermal: Advanced Search  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Search Advanced Search Geothermal Technologies Legacy Collection Help/FAQ | Site Map | Contact Us | Admin Log On Home/Basic Search About Publications Advanced Search New Hot Docs News Related Links You may need to turn on Javascript in your browser to use the Find Subject and Find Author features. Sort By: Relevance Publication Date System Entry Date Document Type Title Research Org Sponsoring Org OSTI Identifier Report Number DOE Contract Number Ascending Descending Enter search criteria into as few or as many fields as desired. Search In For Term(s) (Place phrase in "double quotes") All Fields: Bibliographic Data: Full Text: Creator/Author Select : Title: Subject Select : Identifier Numbers: Journal Info.: Conference Info.: Patent Info.: Research Org.: Sponsoring Org.:

305

NIST's Advanced Technology Program  

NLE Websites -- All DOE Office Websites (Extended Search)

NIST's Advanced NIST's Advanced Technology Program NIST's Advanced Technology Program DOE Workshop on Hydrogen Separation and Purification Technologies Arlington, VA, Sept. 8-9, 2004 Jason Huang 301-975-4197 National Institute of Standards and Technology 100 Bureau Drive Stop 4730 Gaithersburg, MD 20899-4730 http://www.atp.nist.gov National Institute of Standards and Technology * Technology Administration * U.S. Department of Commerce ATP is part of NIST Helping America Measure Up NIST Mission ATP is part of NIST NIST Mission: Strengthen the U.S. economy and improve the quality of life by working with industry to develop and apply technology, measurements, and standards. * * * * * * 3,000 employees $771 million annual budget 2,000 field agents 1,800 guest researchers $2.2 billion co-funding of

306

Advanced Hydride Laboratory  

DOE Green Energy (OSTI)

Metal hydrides have been used at the Savannah River Tritium Facilities since 1984. However, the most extensive application of metal hydride technology at the Savannah River Site is being planned for the Replacement Tritium Facility, a $140 million facility schedules for completion in 1990 and startup in 1991. In the new facility, metal hydride technology will be used to store, separate, isotopically purify, pump, and compress hydrogen isotopes. In support of the Replacement Tritium Facility, a $3.2 million, cold,'' process demonstration facility, the Advanced Hydride Laboratory began operation in November of 1987. The purpose of the Advanced Hydride Laboratory is to demonstrate the Replacement Tritium Facility's metal hydride technology by integrating the various unit operations into an overall process. This paper will describe the Advanced Hydride Laboratory, its role and its impact on the application of metal hydride technology to tritium handling.

Motyka, T.

1989-01-01T23:59:59.000Z

307

Advanced fuel chemistry for advanced engines.  

SciTech Connect

Autoignition chemistry is central to predictive modeling of many advanced engine designs that combine high efficiency and low inherent pollutant emissions. This chemistry, and especially its pressure dependence, is poorly known for fuels derived from heavy petroleum and for biofuels, both of which are becoming increasingly prominent in the nation's fuel stream. We have investigated the pressure dependence of key ignition reactions for a series of molecules representative of non-traditional and alternative fuels. These investigations combined experimental characterization of hydroxyl radical production in well-controlled photolytically initiated oxidation and a hybrid modeling strategy that linked detailed quantum chemistry and computational kinetics of critical reactions with rate-equation models of the global chemical system. Comprehensive mechanisms for autoignition generally ignore the pressure dependence of branching fractions in the important alkyl + O{sub 2} reaction systems; however we have demonstrated that pressure-dependent 'formally direct' pathways persist at in-cylinder pressures.

Taatjes, Craig A.; Jusinski, Leonard E.; Zador, Judit; Fernandes, Ravi X.; Miller, James A.

2009-09-01T23:59:59.000Z

308

Advanced Simulation and Computing  

National Nuclear Security Administration (NNSA)

NA-ASC-117R-09-Vol.1-Rev.0 NA-ASC-117R-09-Vol.1-Rev.0 Advanced Simulation and Computing PROGRAM PLAN FY09 October 2008 ASC Focal Point Robert Meisner, Director DOE/NNSA NA-121.2 202-586-0908 Program Plan Focal Point for NA-121.2 Njema Frazier DOE/NNSA NA-121.2 202-586-5789 A Publication of the Office of Advanced Simulation & Computing, NNSA Defense Programs i Contents Executive Summary ----------------------------------------------------------------------------------------------- 1 I. Introduction -------------------------------------------------------------------------------------------------------- 2 Realizing the Vision ------------------------------------------------------------------------------------------------- 2 The Future of the Nuclear Weapons Complex ---------------------------------------------------------------- 2

309

Advanced Containment System  

SciTech Connect

An advanced containment system for containing buried waste and associated leachate. The advanced containment system comprises a plurality of casing sections with each casing section interlocked to an adjacent casing section. Each casing section includes a complementary interlocking structure that interlocks with the complementary interlocking structure on an adjacent casing section. A barrier filler substantially fills the casing sections and may substantially fill the spaces of the complementary interlocking structure to form a substantially impermeable barrier. Some of the casing sections may include sensors so that the casing sections and the zone of interest may be remotely monitored after the casing sections are emplaced in the ground.

Kostelnik, Kevin M. (Idaho Falls, ID); Kawamura, Hideki (Tokyo, JP); Richardson, John G. (Idaho Falls, ID); Noda, Masaru (Tokyo, JP)

2005-02-08T23:59:59.000Z

310

Advanced Monitoring systems initiative  

SciTech Connect

The Advanced Monitoring Systems Initiative (AMSI) actively searches for promising technologies and aggressively moves them from the research bench into DOE/NNSA end-user applications. There is a large unfulfilled need for an active element that reaches out to identify and recruit emerging sensor technologies into the test and evaluation function. Sensor research is ubiquitous, with the seeds of many novel concepts originating in the university systems, but at present these novel concepts do not move quickly and efficiently into real test environments. AMSI is a widely recognized, self-sustaining ''business'' accelerating the selection, development, testing, evaluation, and deployment of advanced monitoring systems and components.

R.J. Venedam; E.O. Hohman; C.F. Lohrstorfer; S.J. Weeks; J.B. Jones; W.J. Haas

2004-09-30T23:59:59.000Z

311

Advanced Coal Wind Hybrid: Economic Analysis  

E-Print Network (OSTI)

feasibility of combining wind farms with advanced coalfeasibility of combining wind farms with advanced coal

Phadke, Amol

2008-01-01T23:59:59.000Z

312

Advanced turbine systems program  

SciTech Connect

In accordance with the goals of the DOE program, improvements in the gas turbine are the primary focus of Allison activity during Phase I. To this end Allison conducted a survey of potentially applicable gas turbine cycles and selected the advanced combined cycle as reference system. Extensive analysis of two versions of the advanced combined cycle was performed against the requirement for a 60% thermal efficiency (LHV) utility-sized, natural gas fired system. This analysis resulted in technology requirements for this system. Additional analysis determined emissions potential for the system, established a coal-fueled derivative system and a commercialization plan. This report deals with the technical requirements for a system that meets the thermal efficiency goal. Allison initially investigated four basic thermodynamic cycles: Humid air turbine, intercalate-recuperated systems, advanced combined cycle, chemically recuperated cycle. Our survey and cycle analysis indicated that au had the potential of reaching 60% thermal efficiency. We also concluded that engine hot section technology would be a critical technology regardless of which cycle was chosen. Based on this result Allison chose to concentrate on the advanced combined cycle. This cycle is well known and understood by the utility turbine user community and is therefore likely to be acceptable to users.

Wilkes, C.; Mukavetz, D.W.; Knickerbocker, T.K.; Ali, S.A.

1992-12-31T23:59:59.000Z

313

Advanced turbine systems program  

SciTech Connect

In accordance with the goals of the DOE program, improvements in the gas turbine are the primary focus of Allison activity during Phase I. To this end Allison conducted a survey of potentially applicable gas turbine cycles and selected the advanced combined cycle as reference system. Extensive analysis of two versions of the advanced combined cycle was performed against the requirement for a 60% thermal efficiency (LHV) utility-sized, natural gas fired system. This analysis resulted in technology requirements for this system. Additional analysis determined emissions potential for the system, established a coal-fueled derivative system and a commercialization plan. This report deals with the technical requirements for a system that meets the thermal efficiency goal. Allison initially investigated four basic thermodynamic cycles: Humid air turbine, intercalate-recuperated systems, advanced combined cycle, chemically recuperated cycle. Our survey and cycle analysis indicated that au had the potential of reaching 60% thermal efficiency. We also concluded that engine hot section technology would be a critical technology regardless of which cycle was chosen. Based on this result Allison chose to concentrate on the advanced combined cycle. This cycle is well known and understood by the utility turbine user community and is therefore likely to be acceptable to users.

Wilkes, C.; Mukavetz, D.W.; Knickerbocker, T.K.; Ali, S.A.

1992-01-01T23:59:59.000Z

314

Advanced fossil energy utilization  

Science Conference Proceedings (OSTI)

This special issue of Fuel is a selection of papers presented at the symposium ‘Advanced Fossil Energy Utilization’ co-sponsored by the Fuels and Petrochemicals Division and Research and New Technology Committee in the 2009 American Institute of Chemical Engineers (AIChE) Spring National Meeting Tampa, FL, on April 26–30, 2009.

Shekhawat, D.; Berry, D.; Spivey, J.; Pennline, H.; Granite, E.

2010-01-01T23:59:59.000Z

315

Advanced Vehicle Testing Activity: Overview  

NLE Websites -- All DOE Office Websites (Extended Search)

Overview to Overview to someone by E-mail Share Advanced Vehicle Testing Activity: Overview on Facebook Tweet about Advanced Vehicle Testing Activity: Overview on Twitter Bookmark Advanced Vehicle Testing Activity: Overview on Google Bookmark Advanced Vehicle Testing Activity: Overview on Delicious Rank Advanced Vehicle Testing Activity: Overview on Digg Find More places to share Advanced Vehicle Testing Activity: Overview on AddThis.com... Home Overview Light-Duty Vehicles Medium- and Heavy-Duty Vehicles Publications Overview The marketplace for advanced transportation technologies and the focus, direction, and funding of transportation programs are continually changing. The Advanced Vehicle Testing Activity's "2005 Overview of Advanced Technology Transportation" (PDF 736 KB) gives the latest information about

316

Posters | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Your Cart (0 Posters) Your Cart (0 Posters) Your cart is empty. checkout Subtotal: $0.00 update empty Posters Order a printed APS poster! 11 in. x 17 in. prints will be mailed in the order requests are received. 36 in. x 36 in. posters will be sent to school addresses once all orders are processed. The Advanced Photon Source Is The Advanced Photon Source Is Qty: 1 add to cart Technologies from Materials Science Technologies from Materials Science Qty: 1 add to cart Materials Under Extreme Pressure Materials Under Extreme Pressure Qty: 1 add to cart Biological Macromolecules in Action Biological Macromolecules in Action Qty: 1 add to cart Journey to the Center of the Earth Journey to the Center of the Earth Qty: 1 add to cart Earthshaking Monitor Earthshaking Monitor Qty: 1 add to cart Imaging with X-rays

317

Advanced Simulation Capability for  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Simulation Capability for Simulation Capability for Environmental Management (ASCEM) ASCEM is being developed to provide a tool and approach to facilitate robust and standardized development of perfor- mance and risk assessments for cleanup and closure activi- ties throughout the EM complex. The ASCEM team is composed of scientists from eight National Laboratories. This team is leveraging Department of Energy (DOE) investments in basic science and applied research including high performance computing codes developed through the Advanced Scientific Computing Research and Advanced Simulation & Computing pro- grams as well as collaborating with the Offices of Science, Fossil Energy, and Nuclear Energy. Challenge Current groundwater and soil remediation challenges that will continue to be addressed in the next decade include

318

Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

0 Advanced Photon Source 0 Advanced Photon Source A U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences national synchrotron x-ray research facility Search Button About Welcome Overview Visiting the APS Mission & Goals Find People Organization Charts Committees Job Openings User Information Prospective Users New Users Current Users APS User Portal Macromolecular Crystallographers Administrators Find a Beamline Apply for Beam Time Contacts Calendars Community Scientific Access Site Access Training Science & Education Science & Research Highlights Conferences Seminars Publications Annual Reports APS Upgrade Courses and Schools Graduate Programs Scientific Software Media Center Calendar of Events APS News User News Argonne/APS Press Releases Argonne/APS Feature Stories Argonne/APS In The News

319

Overview | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

APS Overview: APS Overview: Introduction APS Systems Map LINAC Booster Synchrotron Storage Ring Insertion Devices Experiment Hall LOMs & Beamlines Overview of the APS The Advanced Photon Source (APS) at the U.S. Department of Energy's Argonne National Laboratory provides this nation's (in fact, this hemisphere's) brightest storage ring-generated x-ray beams for research in almost all scientific disciplines. Photo: Aerial Photo of APS Aerial photo of the Advanced Photon Source These x-rays allow scientists to pursue new knowledge about the structure and function of materials in the center of the Earth and in outer space, and all points in between. The knowledge gained from this research can impact the evolution of combustion engines and microcircuits, aid in the development of new pharmaceuticals, and pioneer nanotechnologies whose

320

NETL: Advanced Research - Ultrasupercritical  

NLE Websites -- All DOE Office Websites (Extended Search)

High Performance Materials > Ultrasupercritical High Performance Materials > Ultrasupercritical Advanced Research High Performance Materials Ultrasupercritical Increasing the temperature and pressure of steam improves the efficiency of boilers and turbines that use steam as the working fluid. These higher efficiency boilers and turbines require less coal and produce less greenhouse gases. Identifying materials that can operate for long periods of time at extreme temperatures and pressures is a major goal of NETL's Advanced Research Materials Program. Phase diagram of water Figure 1: Phase diagram of water To understand the terminology of boilers and turbines, it is first necessary to understand the basics of the water/steam phase diagram (see Figure 1). The normal boiling point (nbp) of water occurs at 1 atmosphere

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While these samples are representative of the content of NLEBeta,
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to obtain the most current and comprehensive results.


321

Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Tomography Interest Group Contact: Robert Winarski, Center for Nanoscale Materials winarski@anl.gov Contact: Francesco De Carlo, Advanced Photon Source decarlo@aps.anl.gov The tomography special interest group of the Advanced Photon Source (APS) at Argonne National Laboratory has been created to promote awareness of the tomography facilities at the APS and to foster communications between the various research groups. Through this group, we believe we can build a strong user community for tomography. The following beamlines have active tomography research programs: 2-BM-B (XOR) http://www.aps.anl.gov/Xray_Science_Division/Xray_Microscopy_and_Imaging/Science_and_Research/Techniques/Tomography/index.html Information about the beamline: http://beam.aps.anl.gov/pls/apsweb/beamline_display_pkg.display_beamline?p_beamline_num_c=31

322

Advanced Technology Vehicle Testing  

DOE Green Energy (OSTI)

The goal of the U.S. Department of Energy's Advanced Vehicle Testing Activity (AVTA) is to increase the body of knowledge as well as the awareness and acceptance of electric drive and other advanced technology vehicles (ATV). The AVTA accomplishes this goal by testing ATVs on test tracks and dynamometers (Baseline Performance testing), as well as in real-world applications (Fleet and Accelerated Reliability testing and public demonstrations). This enables the AVTA to provide Federal and private fleet managers, as well as other potential ATV users, with accurate and unbiased information on vehicle performance and infrastructure needs so they can make informed decisions about acquiring and operating ATVs. The ATVs currently in testing include vehicles that burn gaseous hydrogen (H2) fuel and hydrogen/CNG (H/CNG) blended fuels in internal combustion engines (ICE), and hybrid electric (HEV), urban electric, and neighborhood electric vehicles. The AVTA is part of DOE's FreedomCAR and Vehicle Technologies Program.

James Francfort

2004-06-01T23:59:59.000Z

323

Advanced drilling systems  

DOE Green Energy (OSTI)

Drilling is ubiquitous in oil, gas, geothermal, minerals, water well, and mining industries. Drilling and well completion account for 25% to 50% of the cost of producing power from geothermal energy. Reduced drilling costs will reduce the cost of electricity produced from geothermal resources. Undoubtedly, there are concepts for advanced drilling systems that have yet to be studied. However, the breadth and depth of previous efforts in this area almost guarantee that any new efforts will at least initially build on an idea or a variation of an idea that has already been investigated. Therefore, a review of previous efforts, coupled with a characterization of viable advanced drilling systems and the current state of technology as it applies to those systems, provide the basis for this study.

Pierce, K.G.; Finger, J.T. [Sandia National Labs., Albuquerque, NM (United States); Livesay, B.J. [Livesay Consultants, San Diego, CA (United States)

1995-12-31T23:59:59.000Z

324

Advanced far infrared detectors  

SciTech Connect

Recent advances in photoconductive and bolometric semiconductor detectors for wavelength 1 mm > {lambda} > 50 {mu}m are reviewed. Progress in detector performance in this photon energy range has been stimulated by new and stringent requirements for ground based, high altitude and space-borne telescopes for astronomical and astrophysical observations. The paper consists of chapters dealing with the various types of detectors: Be and Ga doped Ge photoconductors, stressed Ge:Ga devices and neutron transmutation doped Ge thermistors. Advances in the understanding of basic detector physics and the introduction of modern semiconductor device technology have led to predictable and reliable fabrication techniques. Integration of detectors into functional arrays has become feasible and is vigorously pursued by groups worldwide.

Haller, E.E.

1993-05-01T23:59:59.000Z

325

Advanced Separation Consortium  

Science Conference Proceedings (OSTI)

The Center for Advanced Separation Technologies (CAST) was formed in 2001 under the sponsorship of the US Department of Energy to conduct fundamental research in advanced separation and to develop technologies that can be used to produce coal and minerals in an efficient and environmentally acceptable manner. The CAST consortium consists of seven universities - Virginia Tech, West Virginia University, University of Kentucky, Montana Tech, University of Utah, University of Nevada-Reno, and New Mexico Tech. The consortium brings together a broad range of expertise to solve problems facing the US coal industry and the mining sector in general. At present, a total of 60 research projects are under way. The article outlines some of these, on topics including innovative dewatering technologies, removal of mercury and other impurities, and modelling of the flotation process. 1 photo.

NONE

2006-01-01T23:59:59.000Z

326

Advanced Energy Guides  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Guides Energy Guides Shanti Pless National Renewable Energy Laboratory shanti.pless@nrel.gov 303-384-6365 April 4 2013 2 | Building Technologies Office eere.energy.gov Advanced Energy Design Guides Provide prescriptive energy savings guidance and recommendations by building type and geographic location: * Design packages and strategies to help owners and designers achieve 50% site energy savings over Standard 90.1 * Two series: - 30% savings over 90.1-1999

327

Advanced geothermal technologies  

DOE Green Energy (OSTI)

Research and development in advanced technologies for geothermal energy production continue to increase the energy production options for the Nation. The high-risk investment over the past few years by the US Department of Energy in geopressured, hot dry rock, and magma energy resources is producing new means to lower production costs and to take advantage of these resources. The Nation has far larger and more regionally extensive geothermal resources than heretofore realized. At the end of a short 30-day closed-loop flow test, the manmade hot dry rock reservoir at Fenton Hill, New Mexico, was producing 10 MW thermal - and still climbing - proving the technical feasibility of this new technology. The scientific feasibility of magma energy extraction has been demonstrated, and new field tests to evaluate this technology are planned. Analysis and field tests confirm the viability of geopressured-geothermal energy and the prospect that many dry-hole or depleted petroleum wells can be turned into producing geopressured-geothermal wells. Technological advances achieved through hot dry rock, magma, geopressured, and other geothermal research are making these resources and conventional hydrothermal resources more competitive. Noteworthy among these technological advances are techniques in computer simulation of geothermal reservoirs, new means for well stimulation, new high-temperature logging tools and packers, new hard-rock penetration techniques, and new methods for mapping fracture flow paths across large underground areas in reservoirs. In addition, many of these same technological advances can be applied by the petroleum industry to help lower production costs in domestic oil and gas fields. 5 refs., 4 figs.

Whetten, J.T.; Murphy, H.D.; Hanold, R.J.; Myers, C.W.; Dunn, J.C.

1988-01-01T23:59:59.000Z

328

Advanced Energy Guides  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy Guides Energy Guides Shanti Pless National Renewable Energy Laboratory shanti.pless@nrel.gov 303-384-6365 April 4 2013 2 | Building Technologies Office eere.energy.gov Advanced Energy Design Guides Provide prescriptive energy savings guidance and recommendations by building type and geographic location: * Design packages and strategies to help owners and designers achieve 50% site energy savings over Standard 90.1 * Two series: - 30% savings over 90.1-1999

329

Advanced Metering Infrastructure Technology  

Science Conference Proceedings (OSTI)

Revenue security is a major concern for utilities. Theft of electric service in the United States is widespread. In 2006, the revenue estimate for non-technical losses was 6.5 billion. Non-technical losses are associated with unidentified and uncollected revenue from pilferage, tampering with meters, defective meters, and errors in meter reading. In this report, revenue security describes the use of advanced metering infrastructure (AMI) technology to minimize non-technical losses.

2008-12-08T23:59:59.000Z

330

Advanced Turbine Design Program  

SciTech Connect

The prime objective of this project task is to select a natural gas fired as Advanced Turbine Systems (ATS) capable of reaching 60% cycle efficiency. Several cycles were compared and evaluated under all different kind of aspects, to determine the one with the highest potential and, at the same time, the best overall fit within and experience base to guarantee project goals. The combined cycle with multistep development potential was identified as the system to reach the 60% or greater thermal efficiency.

van der Linden, S.; Gnaedig, G.; Kreitmeier, F.

1992-01-01T23:59:59.000Z

331

Advanced Turbine Design Program  

SciTech Connect

The prime objective of this project task is to select a natural gas fired as Advanced Turbine Systems (ATS) capable of reaching 60% cycle efficiency. Several cycles were compared and evaluated under all different kind of aspects, to determine the one with the highest potential and, at the same time, the best overall fit within and experience base to guarantee project goals. The combined cycle with multistep development potential was identified as the system to reach the 60% or greater thermal efficiency.

van der Linden, S.; Gnaedig, G.; Kreitmeier, F.

1992-12-31T23:59:59.000Z

332

Advanced Manufacturing Partnership  

Energy.gov (U.S. Department of Energy (DOE))

AMO leads DOE's participation in the national interagency Advanced Manufacturing Partnership (AMP). AMO joins with other Federal agencies investing in innovation and cost-shared R&D projects, supporting manufacturing infrastructure, and facilitating job creation. These actions save energy and provide benefits to U.S. industry and the national economy. AMO contributes more broadly to the AMP with activities in Technology Development, Shared Infrastructure and Facilities, Education and Workforce Development.

333

Advanced Polymer Processing Facility  

Science Conference Proceedings (OSTI)

Some conclusions of this presentation are: (1) Radiation-assisted nanotechnology applications will continue to grow; (2) The APPF will provide a unique focus for radiolytic processing of nanomaterials in support of DOE-DP, other DOE and advanced manufacturing initiatives; (3) {gamma}, X-ray, e-beam and ion beam processing will increasingly be applied for 'green' manufacturing of nanomaterials and nanocomposites; and (4) Biomedical science and engineering may ultimately be the biggest application area for radiation-assisted nanotechnology development.

Muenchausen, Ross E. [Los Alamos National Laboratory

2012-07-25T23:59:59.000Z

334

Advanced Lighting Technologies  

Science Conference Proceedings (OSTI)

This report continues the technical assessment of advanced lighting technologies in the following product areasdimmable light-emitting diode (LED) screw-in replacement lamp, hybrid compact fluorescent lamp/halogen screw-in replacement lamp, replacement recessed can LED downlight, organic LED (OLED) disc, replacement mini high-intensity discharge (HID) lamp and ballast system, and solid-state plasma lighting (miniature HID technology) high-bay fixture. The research in this project helps to demonstrate how...

2011-12-21T23:59:59.000Z

335

Advancement of Electrochromic Windows  

NLE Websites -- All DOE Office Websites (Extended Search)

Advancement of Electrochromic Windows Advancement of Electrochromic Windows Title Advancement of Electrochromic Windows Publication Type Report LBNL Report Number LBNL-59821 Year of Publication 2006 Authors Lee, Eleanor S., Stephen E. Selkowitz, Robert D. Clear, Dennis L. DiBartolomeo, Joseph H. Klems, Luis L. Fernandes, Gregory J. Ward, Vorapat Inkarojrit, and Mehry Yazdanian Date Published 04/2006 Other Numbers CEC-500-2006-052 Keywords commercial buildings, daylight, daylighting controls, Electrochromic windows, energy efficiency, human factors, peak demand, switchable windows, visual comfort Abstract This guide provides consumer-oriented information about switchable electrochromic (EC) windows. Electrochromic windows change tint with a small applied voltage, providing building owners and occupants with the option to have clear or tinted windows at any time, irrespective of whether it's sunny or cloudy. EC windows can be manually or automatically controlled based on daylight, solar heat gain, glare, view, energy-efficiency, peak electricity demand response, or other criteria. Window controls can be integrated with other building systems, such as lighting and heating/cooling mechanical systems, to optimize interior environmental conditions, occupant comfort, and energy-efficiency.

336

Advanced Technology Vehicle Testing  

DOE Green Energy (OSTI)

The light-duty vehicle transportation sector in the United States depends heavily on imported petroleum as a transportation fuel. The Department of Energy’s Advanced Vehicle Testing Activity (AVTA) is testing advanced technology vehicles to help reduce this dependency, which would contribute to the economic stability and homeland security of the United States. These advanced technology test vehicles include internal combustion engine vehicles operating on 100% hydrogen (H2) and H2CNG (compressed natural gas) blended fuels, hybrid electric vehicles, neighborhood electric vehicles, urban electric vehicles, and electric ground support vehicles. The AVTA tests and evaluates these vehicles with closed track and dynamometer testing methods (baseline performance testing) and accelerated reliability testing methods (accumulating lifecycle vehicle miles and operational knowledge within 1 to 1.5 years), and in normal fleet environments. The Arizona Public Service Alternative Fuel Pilot Plant and H2-fueled vehicles are demonstrating the feasibility of using H2 as a transportation fuel. Hybrid, neighborhood, and urban electric test vehicles are demonstrating successful applications of electric drive vehicles in various fleet missions. The AVTA is also developing electric ground support equipment (GSE) test procedures, and GSE testing will start during the fall of 2003. All of these activities are intended to support U.S. energy independence. The Idaho National Engineering and Environmental Laboratory manages these activities for the AVTA.

James Francfort

2003-11-01T23:59:59.000Z

337

Advanced Microturbine Systems  

SciTech Connect

Dept. of Energy (DOE) Cooperative Agreement DE-FC02-00-CH11061 was originally awarded to Honeywell International, Inc. â?? Honeywell Power Systems Inc. (HPSI) division located in Albuquerque, NM in October 2000 to conduct a program titled Advanced Microturbine Systems (AMS). The DOE Advanced Microturbines Systems Program was originally proposed as a five-year program to design and develop a high efficiency, low emissions, durable microturbine system. The period of performance was to be October 2000 through September 2005. Program efforts were underway, when one year into the program Honeywell sold the intellectual property of Honeywell Power Systems Inc. and HPSI ceased business operations. Honeywell made an internal decision to restructure the existing program due to the HPSI shutdown and submitted a formal request to DOE on September 24, 2001 to transfer the Cooperative Agreement to Honeywell Engines, Systems and Services (HES&S) in Phoenix, AZ in order to continue to offer support for DOE's Advanced Microturbine Program. Work continued on the descoped program under Cooperative Agreement No. DE-FC26-00-CH11061 and has been completed.

None

2005-12-31T23:59:59.000Z

338

Advancing Next-Generation Vehicles  

NLE Websites -- All DOE Office Websites (Extended Search)

the U.S. Department of Energy's (DOE's) lead laboratory for researching advanced vehicle technologies, including hy- the U.S. Department of Energy's (DOE's) lead laboratory for researching advanced vehicle technologies, including hy- brid, plug-in hybrid, battery electric, and alternative fuel vehicles, Argonne provides transportation research critical to advancing the development of next-generation vehicles. Central to this effort is the Lab's Advanced Powertrain Research Facility (APRF), an integrated four-wheel drive chassis dynamometer and component test facility.

339

Advanced Developments in Electron Microscopy  

Science Conference Proceedings (OSTI)

About this Symposium. Meeting, Materials Science & Technology 2011. Symposium, Advanced Developments in Electron Microscopy. Sponsorship, MS&T ...

340

Materials Characterization | Advanced Materials | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

Characterization Nuclear Forensics Scanning Probes Related Research Materials Theory and Simulation Energy Frontier Research Centers Advanced Materials Home | Science &...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Advanced Research Robert R. Romanosky  

E-Print Network (OSTI)

in advanced ultra supercritical (USC) coal-fired power plants. The advanced materials developed in this project are essential for construction of coal-fired boilers with advanced steam cycles involving much higher temperatures and pressures than those presently used in conventional pulverized coal (PC) power

342

Brake System Modeling and Control  

E-Print Network (OSTI)

of 3447 kPa Upper Left: Volts vs. Angular Position, showingone cycle. Lower Right: Volts vs. Position at several brakewith a magnitude of several volts. The INA118, a precision

Hedrick, J. K.; Uchanski, M.

2001-01-01T23:59:59.000Z

343

Mechanical and Hydraulic Press Brakes  

Science Conference Proceedings (OSTI)

...drives, with mechanical linkages from motor to flywheel to clutch to gears to crankshaft to crank arm to ram (Fig. 4). They all have one thing in common: a crankshaft action that converts rotary motion into straight, reciprocating motion (Fig. 5). During a stroke cycle, the crank arm drives the ram down...

344

Advanced Green Technologies | Open Energy Information  

Open Energy Info (EERE)

Advanced Green Technologies Place Fort Lauderdale, Florida Zip 33311 Product Advanced Green Technologies is a US-based distributor of PV systems. It is owned by Advanced Roofing...

345

Draft Advanced Fossil Solicitation | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Advanced Fossil Solicitation Federal loan guarantee solicitation announcement -- Advanced Fossil Energy Projects. Microsoft Word - Draft Advanced Fossil Solicitation Final Draft.1...

346

Manufacturing Science and Technology: Advanced Manufacturing...  

NLE Websites -- All DOE Office Websites (Extended Search)

Contacts Advanced Manufacturing Trades Training Program Business Program Lead Yvonne Baros Advanced Manufacturing Trades Training Program Tom Souther Advanced Technology Academy...

347

Advanced Manufacturing Office: NewsDetail  

NLE Websites -- All DOE Office Websites (Extended Search)

Office: NewsDetail on Twitter Bookmark Advanced Manufacturing Office: NewsDetail on Google Bookmark Advanced Manufacturing Office: NewsDetail on Delicious Rank Advanced...

348

Advanced Aerodynamic Devices to Improve the Performance, Economics, Handling, and Safety of Heavy Vehicles  

Science Conference Proceedings (OSTI)

Research is being conducted at the Georgia Tech Research Institute (GTRI) to develop advanced aerodynamic devices to improve the performance, economics, stability, handling and safety of operation of Heavy Vehicles by using previously-developed and flight-tested pneumatic (blown) aircraft technology. Recent wind-tunnel investigations of a generic Heavy Vehicle model with blowing slots on both the leading and trailing edges of the trailer have been conducted under contract to the DOE Office of Heavy Vehicle Technologies. These experimental results show overall aerodynamic drag reductions on the Pneumatic Heavy Vehicle of 50% using only 1 psig blowing pressure in the plenums, and over 80% drag reductions if additional blowing air were available. Additionally, an increase in drag force for braking was confirmed by blowing different slots. Lift coefficient was increased for rolling resistance reduction by blowing only the top slot, while downforce was produced for traction increase by blowing only the bottom. Also, side force and yawing moment were generated on either side of the vehicle, and directional stability was restored by blowing the appropriate side slot. These experimental results and the predicted full-scale payoffs are presented in this paper, as is a discussion of additional applications to conventional commercial autos, buses, motor homes, and Sport Utility Vehicles.

Robert J. Englar

2001-05-14T23:59:59.000Z

349

Advanced Biofuels Workshop  

Gasoline and Diesel Fuel Update (EIA)

August 1, 2012 August 1, 2012 In Attendance U.S. Energy Information Administration 1000 Independence Ave. SW, Room 2E-069 Washington, DC 20585 Adam Sieminski EIA Terry Higgins Hart Downstream Energy Services Peter Ryus RSB Services Foundation Zia Haq DOE Robert Kozak Atlantic Biomass Conversion Leticia Phillips UNICA/Brazillian Sugarecane Industry Assoc. Paul Kamp Leifmark, LLC/Inbicon Biomass Steve Gerber Fiberight Joanne Ivancic Advanced Biofuels USA John G. Cowie Agenda 2020 Technology Alliance Jeff Hazle American Fuel & Petrochemical Manufacturers Bryan Just American Petroleum Institute Barry Bernfeld Bunge Global Agribusiness Michael Corbin CLF Partners International LLC Paul Grabowski DOE, Office of Biomass Program

350

Advanced Demand Responsive Lighting  

NLE Websites -- All DOE Office Websites (Extended Search)

Demand Demand Responsive Lighting Host: Francis Rubinstein Demand Response Research Center Technical Advisory Group Meeting August 31, 2007 10:30 AM - Noon Meeting Agenda * Introductions (10 minutes) * Main Presentation (~ 1 hour) * Questions, comments from panel (15 minutes) Project History * Lighting Scoping Study (completed January 2007) - Identified potential for energy and demand savings using demand responsive lighting systems - Importance of dimming - New wireless controls technologies * Advanced Demand Responsive Lighting (commenced March 2007) Objectives * Provide up-to-date information on the reliability, predictability of dimmable lighting as a demand resource under realistic operating load conditions * Identify potential negative impacts of DR lighting on lighting quality Potential of Demand Responsive Lighting Control

351

Horizontal Advanced Tensiometer  

DOE Patents (OSTI)

An horizontal advanced tensiometer is described that allows the monitoring of the water pressure of soil positions, particularly beneath objects or materials that inhibit the use of previous monitoring wells. The tensiometer includes a porous cup, a pressure transducer (with an attached gasket device), an adaptive chamber, at least one outer guide tube which allows access to the desired horizontal position, a transducer wire, a data logger and preferably an inner guide tube and a specialized joint which provides pressure on the inner guide tube to maintain the seal between the gasket of the transducer and the adaptive chamber.

Hubbell, Joel M.; Sisson, James B.

2004-06-22T23:59:59.000Z

352

NETL: Advanced Research - Materials  

NLE Websites -- All DOE Office Websites (Extended Search)

High Performance Materials > Chrome Oxide Refractory High Performance Materials > Chrome Oxide Refractory Advanced Research High Performance Materials Chrome Oxide Refractory One notable NETL success is the development of a chrome oxide refractory material capable of working in slagging gasifier conditions. In this project, researchers first determined that one of the major failure mechanisms for chrome oxide refractories exposed to the intense heat and corrosive environment was spalling, or the chipping or flaking of refractory material from an exposed face. They used this information to formulate a high-chrome oxide refractory composition that resists spalling, resulting in a refractory with a longer service life in the gasifier. Inside an ultrasupercritical (USC) pulverized coal power plant, materials are exposed to temperatures up to 760°C and pressures up to 5,000 psi. Operating a USC system can improve power plant efficiency up to 47% and reduce emissions. However, finding boiler and turbine materials that can hold up under extreme conditions requires new high-temperature metal alloys and ceramic coatings, as well as computational modeling research to optimize the processing of these materials. Advanced Research Materials Development program successes in this area include the following:

353

Advanced PFBC transient analysis  

SciTech Connect

Transient modeling and analysis of advanced Pressurized Fluidized Bed Combustion (PFBC) systems is a research area that is currently under investigation by the US Department of Energy`s Federal Energy Technology Center (FETC). The object of the effort is to identify key operating parameters that affect plant performance and then quantify the basic response of major sub-systems to changes in operating conditions. PC-TRAX{trademark}, a commercially available dynamic software program, was chosen and applied in this modeling and analysis effort. This paper describes the development of a series of TRAX-based transient models of advanced PFBC power plants. These power plants burn coal or other suitable fuel in a PFBC, and the high temperature flue gas supports low-Btu fuel gas or natural gas combustion in a gas turbine topping combustor. When it is utilized, the low-Btu fuel gas is produced in a bubbling bed carbonizer. High temperature, high pressure combustion products exiting the topping combustor are expanded in a modified gas turbine to generate electrical power. Waste heat from the system is used to raise and superheat steam for a reheat steam turbine bottoming cycle that generates additional electrical power. Basic control/instrumentation models were developed and modeled in PC-TRAX and used to investigate off-design plant performance. System performance for various transient conditions and control philosophies was studied.

White, J.S. [Parsons Power Group, Inc., Reading, PA (United States); Bonk, D.L. [USDOE Federal Energy Technology Center, Morgantown, WV (United States)

1997-05-01T23:59:59.000Z

354

Advanced PFBC transient analysis  

SciTech Connect

Transient modeling and analysis of Advanced Pressurized Fluidized Bed Combustion (PFBC) systems is a research area that is currently under investigative study by the United States Department of Energy`s Morgantown Energy Technology Center (METC). The object of the effort is to identify key operating parameters affecting plant performance and then quantify the basic response of major sub-systems to changes in operating conditions. PC-TRAX, a commercially available dynamic software program, was chosen and applied in this modeling and analysis effort. This paper summarizes and describes the development of a series of TRAX-based transient models of Advanced PFBC power plants. These power plants generate a high temperature flue gas by burning coal or other suitable fuel in a PFBC. The high temperature flue gas supports low-Btu fuel gas or natural gas combustion in a gas turbine topping combustor. When utilized, low-Btu fuel gas is produced in a bubbling bed carbonizer. High temperature, high pressure combustion products exiting the topping combustor are expanded in a modified gas turbine to generate electrical power. Waste heat from the system is used to generate and superheat steam for a reheat steam turbine bottoming cycle that generates additional electrical power. Basic control/instrumentation models were developed and modeled in PC-TRAX and used to investigate off-design plant performance. System performance for various transient conditions and control philosophies was studied.

White, J.S. [Parsons Power Group, Inc., Reading, PA (United States); Bonk, D.L.; Rogers, L. [USDOE Morgantown Energy Technology Center, WV (United States)

1996-12-31T23:59:59.000Z

355

Advanced converter reactors  

SciTech Connect

Advanced converter reactors (ACRs) of primary US interest are those which can be commercialized within about 20 years, and are: Advanced Light-Water Reactors, Spectral-Shift-Control Reactors, Heavy-Water Reactors (CANDU type), and High-Temperature Gas-Cooled Reactors. These reactors can operate on uranium, thorium, or uranium-thorium fuel cycles, but have the greatest fuel utilization on thorium type cycles. The water reactors tend to operate more economically on uranium cycles, while the HTGR is more economical on thorium cycles. Thus, the HTGR had the greatest practical potential for improving fuel utilization. If the US has 3.4 to 4 million tons U/sub 3/O/sub 8/ at reasonable costs, ACRs can make important contributions to maintaining a high nuclear power level for many decades; further, they work well with fast breeder reactors in the long term under symbiotic fueling conditions. Primary nuclear data needs of ACRs are integral measurements of reactivity coefficients and resonance absorption integrals.

Kasten, P.R.

1979-01-01T23:59:59.000Z

356

Advanced Metering Infrastructure  

SciTech Connect

The report provides an overview of the development of Advanced Metering Infrastructure (AMI). Metering has historically served as the cash register for the utility industry. It measured the amount of energy used and supported the billing of customers for that usage. However, utilities are starting to look at meters in a whole different way, viewing them as the point of contact with customers in supporting a number of operational imperatives. The combination of smart meters and advanced communications has opened up a variety of methods for utilities to reduce operating costs while offering new services to customers. A concise look is given at what's driving interest in AMI, the components of AMI, and the creation of a business case for AMI. Topics covered include: an overview of AMI including the history of metering and development of smart meters; a description of the key technologies involved in AMI; a description of key government initiatives to support AMI; an evaluation of the current market position of AMI; an analysis of business case development for AMI; and, profiles of 21 key AMI vendors.

NONE

2007-10-15T23:59:59.000Z

357

Advanced desiccant materials research  

DOE Green Energy (OSTI)

The long-range goal of this task is to understand the role of surface phenomena in desiccant cooling materials. The background information includes a brief introduction to desiccant cooling systems (DCS) and the role of the desiccant as a system component. The purpose, background, rationale, and long-term technical approach for studying advanced desiccant materials are then treated. Experimental methods for measuring water vapor sorption by desiccants are described, and the rationale is then given for choosing a quartz crystal microbalance (QCM) for measuring sorption isotherms, rates, and cyclic stability. Background information is given about the QCM, including the quartz crystal resonator itself, the support structure for the quartz crystal, and the advantages and limitations of a QCM. The apparatus assembled and placed into operation during CY 1985 is described. The functions of the principal components of the equipment, i.e., the QCM, vacuum system, pressure gauges, residual gas analyzer, constant temperature bath, and data acquisition system, are described as they relate to the water vapor sorption measurements now under way. The criteria for narrowing the potential candidates as advanced desiccant materials for the initial studies are given. Also given is a list of 20 principal candidate materials identified based on the criteria and data available in the literature.

Czanderna, A.W.; Thomas, T.M.

1986-05-01T23:59:59.000Z

358

Vehicle Technologies Office: Advanced Combustion Engines  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Combustion Advanced Combustion Engines to someone by E-mail Share Vehicle Technologies Office: Advanced Combustion Engines on Facebook Tweet about Vehicle Technologies Office: Advanced Combustion Engines on Twitter Bookmark Vehicle Technologies Office: Advanced Combustion Engines on Google Bookmark Vehicle Technologies Office: Advanced Combustion Engines on Delicious Rank Vehicle Technologies Office: Advanced Combustion Engines on Digg Find More places to share Vehicle Technologies Office: Advanced Combustion Engines on AddThis.com... Just the Basics Hybrid & Vehicle Systems Energy Storage Advanced Power Electronics & Electrical Machines Advanced Combustion Engines Combustion Engines Emission Control Waste Heat Recovery Fuels & Lubricants Materials Technologies Advanced Combustion Engines

359

Advanced Reactor Technologies | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Advanced Reactor Advanced Reactor Technologies Advanced Reactor Technologies Advanced Reactor Technologies Advanced Reactor Technologies The Office of Advanced Reactor Technologies (ART) sponsors research, development and deployment (RD&D) activities through its Next Generation Nuclear Plant (NGNP), Advanced Reactor Concepts (ARC), and Advanced Small Modular Reactor (aSMR) programs to promote safety, technical, economical, and environmental advancements of innovative Generation IV nuclear energy technologies. The Office of Nuclear Energy (NE) will pursue these advancements through RD&D activities at the Department of Energy (DOE) national laboratories and U.S. universities, as well as through collaboration with industry and international partners. These activities will focus on advancing scientific

360

Chemistry & Physics at Interfaces | Advanced Materials | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

from Atoms to Systems Materials Characterization Materials Theory and Simulation Energy Frontier Research Centers Advanced Materials Home | Science & Discovery | Advanced...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Advanced Materials and Processes for Extreme Environments  

Science Conference Proceedings (OSTI)

Symposium, Advanced Materials and Reservoir Engineering for Extreme Oil & Gas Environments. Presentation Title, Advanced Materials and Processes for ...

362

Advanced Materials Technologies - Energy Innovation Portal  

Advanced Materials Technology Marketing Summaries Here you’ll find marketing summaries of advanced materials technologies available for licensing from ...

363

Irradiation Performance of Advanced and Model Alloys  

Science Conference Proceedings (OSTI)

Mar 14, 2012 ... Mechanical Performance of Materials for Current and Advanced Nuclear Reactors: Irradiation Performance of Advanced and Model Alloys

364

Advanced Metering Infrastructure Security Considerations | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Metering Infrastructure Security Considerations Advanced Metering Infrastructure Security Considerations The purpose of this report is to provide utilities implementing Advanced...

365

News and Awards | Advanced Materials | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

Events and Conferences Supporting Organizations Advanced Materials Home | Science & Discovery | Advanced Materials | News & Awards SHARE News and Awards Latest News...

366

Advanced Technology Vehicles Manufacturing Incentive Program...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Technology Vehicles Manufacturing Incentive Program Advanced Technology Vehicles Manufacturing Incentive Program A fact sheet detailling the advanced technology vehicles...

367

Advanced Light Source Activity Report 2002  

E-Print Network (OSTI)

ALS and the Advanced Photon Source (APS). The LDLR crystals,Director for the Advanced Photon Source (APS), and Steven

Duque editor, Theresa; Greiner editor, Annette; Moxon editor, Elizabeth; Robinson editor, Arthur; Tamura editor, Lori

2003-01-01T23:59:59.000Z

368

ADVANCED TURBINE SYSTEMS PROGRAM  

SciTech Connect

Natural gas combustion turbines are rapidly becoming the primary technology of choice for generating electricity. At least half of the new generating capacity added in the US over the next twenty years will be combustion turbine systems. The Department of Energy has cosponsored with Siemens Westinghouse, a program to maintain the technology lead in gas turbine systems. The very ambitious eight year program was designed to demonstrate a highly efficient and commercially acceptable power plant, with the ability to fire a wide range of fuels. The main goal of the Advanced Turbine Systems (ATS) Program was to develop ultra-high efficiency, environmentally superior and cost effective competitive gas turbine systems for base load application in utility, independent power producer and industrial markets. Performance targets were focused on natural gas as a fuel and included: System efficiency that exceeds 60% (lower heating value basis); Less than 10 ppmv NO{sub x} emissions without the use of post combustion controls; Busbar electricity that are less than 10% of state of the art systems; Reliability-Availability-Maintainability (RAM) equivalent to current systems; Water consumption minimized to levels consistent with cost and efficiency goals; and Commercial systems by the year 2000. In a parallel effort, the program was to focus on adapting the ATS engine to coal-derived or biomass fuels. In Phase 1 of the ATS Program, preliminary investigators on different gas turbine cycles demonstrated that net plant LHV based efficiency greater than 60% was achievable. In Phase 2 the more promising cycles were evaluated in greater detail and the closed-loop steam-cooled combined cycle was selected for development because it offered the best solution with least risk for achieving the ATS Program goals for plant efficiency, emissions, cost of electricity and RAM. Phase 2 also involved conceptual ATS engine and plant design and technology developments in aerodynamics, sealing, combustion, cooling, materials, coatings and casting development. The market potential for the ATS gas turbine in the 2000-2014 timeframe was assessed for combined cycle, simple cycle and integrated gasification combined cycle, for three engine sizes. The total ATS market potential was forecasted to exceed 93 GW. Phase 3 and Phase 3 Extension involved further technology development, component testing and W501ATS engine detail design. The technology development efforts consisted of ultra low NO{sub x} combustion, catalytic combustion, sealing, heat transfer, advanced coating systems, advanced alloys, single crystal casting development and determining the effect of steam on turbine alloys. Included in this phase was full-load testing of the W501G engine at the McIntosh No. 5 site in Lakeland, Florida.

Gregory Gaul

2004-04-21T23:59:59.000Z

369

Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Home Home Group Members Accelerator Magnets Insertion Devices Facilities Presentations & Publications Internal Magnetic Devices Group The primary mission of the Magnetic Devices (MD) Group is to design, build, and maintain Insertion Devices (IDs) that are reliable and transparent to the electron beam at the Advanced Photon Source (APS). The majority of IDs at the APS are conventional planar hybrid undulators, but an essential part of the mission is to develop novel IDs, such as short-period superconducting undulators and long-period electromagnetic undulators. The capabilities of APS IDs are matched to users' experimental needs. The mission also includes magnetic tuning of the IDs to ensure their near-ideal performance as x-ray sources and calculations to predict the radiation

370

Visiting | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Visiting the APS Visiting the APS If you have questions or need assistance planning your visit, please contact the APS User Office. Obtaining site access: General info: Visitors and new users | Non-U.S. Citizens Visitor registration: request access as a visitor who will not do hands-on work (guests, family members, students, etc.) Traveling to the APS: Transportation: Resources | University of Chicago Shuttle external link Directions: to Argonne | to the APS User Office Maps: Argonne Campus external link | Conference Center (402) | APS Facility & Beamlines | Parking Currency: The hotels and banks near Argonne do not exchange currency. Plan on using major credit cards, U.S. traveler's checks, or exchange currency in advance at the airport. See also: The Universal Currency Converter(tm) external link

371

Welcome | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Welcome Welcome Aerial view of APS Aerial view of the APS Welcome to the Advanced Photon Source (APS) at Argonne National Laboratory. Whether you are a current or potential scientific user of our unique facility or are simply interested in learning more about the APS, we are delighted that you are visiting our website. The APS is funded by the Office of Science, Office of Basic Energy Sciences in the U.S. Department of Energy. We operate a National User Facility that is open to everyone who has a need for extremely brilliant x-ray photon beams. The APS is one of the most technologically complex machines in the world. This premier national research facility provides the brightest x-ray beams in the Western Hemisphere to more than 5,000 (and growing) scientists from

372

Advanced Containment System  

SciTech Connect

An advanced containment system for containing buried waste and associated leachate. A trench is dug on either side of the zone of interest containing the buried waste so as to accommodate a micro tunnel boring machine. A series of small diameter tunnels are serially excavated underneath the buried waste. The tunnels are excavated by the micro tunnel boring machine at a consistent depth and are substantially parallel to each other. As tunneling progresses, steel casing sections are connected end to end in the excavated portion of the tunnel so that a steel tube is formed. Each casing section has complementary interlocking structure running its length that interlocks with complementary interlocking structure on the adjacent casing section. Thus, once the first tube is emplaced, placement of subsequent tubes is facilitated by the complementary interlocking structure on the adjacent, previously placed, casing sections.

Kostelnik, Kevin M. (Idaho Falls, ID); Kawamura, Hideki (Tokyo, JP); Richardson, John G. (Idaho Falls, ID); Noda, Masaru (Tokyo, JP)

2005-05-24T23:59:59.000Z

373

Advanced Containment System  

SciTech Connect

An advanced containment system for containing buried waste and associated leachate. A trench is dug on either side of the zone of interest containing the buried waste so as to accommodate a micro tunnel boring machine. A series of small diameter tunnels are serially excavated underneath the buried waste. The tunnels are excavated by the micro tunnel boring machine at a consistent depth and are substantially parallel to each other. As tunneling progresses, steel casing sections are connected end to end in the excavated portion of the tunnel so that a steel tube is formed. Each casing section has complementary interlocking structure running its length that interlocks with complementary interlocking structure on the adjacent casing section. Thus, once the first tube is emplaced, placement of subsequent tubes is facilitated by the complementary interlocking structure on the adjacent, previously placed, casing sections.

Kostelnik, Kevin M. (Idaho Falls, ID); Kawamura, Hideki (Tokyo, JP); Richardson, John G. (Idaho Falls, ID); Noda, Masaru (Tokyo, JP)

2004-10-12T23:59:59.000Z

374

Advanced drilling systems study.  

Science Conference Proceedings (OSTI)

This report documents the results of a study of advanced drilling concepts conducted jointly for the Natural Gas Technology Branch and the Geothermal Division of the U.S. Department of Energy. A number of alternative rock cutting concepts and drilling systems are examined. The systems cover the range from current technology, through ongoing efforts in drilling research, to highly speculative concepts. Cutting mechanisms that induce stress mechanically, hydraulically, and thermally are included. All functions necessary to drill and case a well are considered. Capital and operating costs are estimated and performance requirements, based on comparisons of the costs for alternative systems to conventional drilling technology, are developed. A number of problems common to several alternatives and to current technology are identified and discussed.

Pierce, Kenneth G.; Livesay, Billy Joe; Finger, John Travis (Livesay Consultants, Encintas, CA)

1996-05-01T23:59:59.000Z

375

ADVANCED CUTTINGS TRANSPORT STUDY  

DOE Green Energy (OSTI)

This report includes a review of the progress made in ACTF Flow Loop development and research during 90 days pre-award period (May 15-July 14, 1999) and the following three months after the project approval date (July15-October 15, 1999) The report presents information on the following specific subjects; (a) Progress in Advanced Cuttings Transport Facility design and development, (b) Progress report on the research project ''Study of Flow of Synthetic Drilling Fluids Under Elevated Pressure and Temperature Conditions'', (c) Progress report on the research project ''Study of Cuttings Transport with Foam Under LPAT Conditions (Joint Project with TUDRP)'', (d) Progress report on the research project ''Study of Cuttings Transport with Aerated Muds Under LPAT Conditions (Joint Project with TUDRP)'', (e) Progress report on the research project ''Study of Foam Flow Behavior Under EPET Conditions'', (f) Progress report on the instrumentation tasks (Tasks 11 and 12) (g) Activities towards technology transfer and developing contacts with oil and service company members.

Ergun Kuru; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Gerald Kane; Len Volk; Mark Pickell; Evren Ozbayoglu; Barkim Demirdal; Paco Vieira; Affonso Lourenco

1999-10-15T23:59:59.000Z

376

Advanced Telemetry Data Capturing  

SciTech Connect

This project developed a new generation or advanced data capturing process specifically designed for use in future telemetry test systems at the Kansas City Plant (KCP). Although similar data capturing processes are performed both commercially and at other DOE weapon facilities, the equipment used is not specifically designed to perform acceptance testing requirements unique to the KCP. Commercially available equipment, despite very high cost (up to $125,000), is deficient in reliability and long-term maintainability necessary in test systems at this facility. There are no commercial sources for some requirements, specifically Terminal Data Analyzer (TDA) data processing. Although other custom processes have been developed to satisfy these test requirements, these designs have become difficult to maintain and upgrade.

Paschke, G.A.

2000-05-16T23:59:59.000Z

377

Advancing Residential Energy Retrofits  

Science Conference Proceedings (OSTI)

To advance the market penetration of residential retrofits, Oak Ridge National Laboratory (ORNL) and Southface Energy Institute (Southface) partnered to provide technical assistance on nine home energy retrofits in metropolitan Atlanta with simulated source energy savings of 30% to 50%. Retrofit measures included duct sealing, air infiltration reductions, attic sealing and roofline insulation, crawlspace sealing, HVAC and water heating equipment replacement, and lighting and appliance upgrades. This paper will present a summary of these measures and their associated impacts on important home performance metrics, such as air infiltration and duct leakage. The average estimated source energy savings for the homes is 33%, and the actual heating season average savings is 32%. Additionally, a case study describing expected and realized energy savings of completed retrofit measures of one of the homes is described in this paper.

Jackson, Roderick K [ORNL; Boudreaux, Philip R [ORNL; Kim, Eyu-Jin [Southface Energy Institute; Roberts, Sydney [Southface Energy Institute

2012-01-01T23:59:59.000Z

378

Advanced Manufacturing Office: Motor Systems  

NLE Websites -- All DOE Office Websites (Extended Search)

Motor Systems to Motor Systems to someone by E-mail Share Advanced Manufacturing Office: Motor Systems on Facebook Tweet about Advanced Manufacturing Office: Motor Systems on Twitter Bookmark Advanced Manufacturing Office: Motor Systems on Google Bookmark Advanced Manufacturing Office: Motor Systems on Delicious Rank Advanced Manufacturing Office: Motor Systems on Digg Find More places to share Advanced Manufacturing Office: Motor Systems on AddThis.com... Quick Links Energy Resource Center Technical Publications by Energy System Energy-Efficient Technologies Incentives & Resources by Zip Code Better Plants Superior Energy Performance Contacts Motor Systems Photo of Man Checking Motor Performance Motor-driven equipment accounts for 54% of manufacturing electricity use. Dramatic energy and cost savings can be achieved in motor systems by

379

Advanced Distribution Automation Technical Assessments  

Science Conference Proceedings (OSTI)

This 2008 progress report on advanced distribution technical assessments focused on the International Electrotechnical Commission (IEC) TC-57 body of standards.

2008-12-19T23:59:59.000Z

380

Advanced Coal Conversion Process Demonstration  

NLE Websites -- All DOE Office Websites (Extended Search)

Clean Coal Technology Program Advanced Coal Conversion Process Demonstration A DOE Assessment DOENETL-20051217 U.S. Department of Energy Office of Fossil Energy National Energy...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

Video Library | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Archives APS Brochure Annual Reports Posters Podcasts Image Gallery external site Video Library Syndicated Feeds (RSS) Now Playing: The Advanced Photon Source More videos:...

382

Video Library | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Video Library Related Links: APS Colloquium APS Podcasts APS Today More videos: Introduction to the APS Physics of the Blues Now Playing: Building the Advanced Photon Source This...

383

Systems Engineering Advancement Research Initiative  

E-Print Network (OSTI)

strategic partners Define and research fundamental concepts for advanced system engineering Contribute materials, and handbooks to inspire, inform, and guide students and practitioners VENUE SEAri is located

de Weck, Olivier L.

384

User Information | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

User Information The Advanced Photon Source provides a variety of guides, resources, and information for prospective, new, and current users. In this section: For Prospective Users...

385

Avoid advanced control project mistakes  

Science Conference Proceedings (OSTI)

On-line process optimization is worth working for but without robust advanced controls it will never happen. In this paper, the author evaluates how well advanced controls worked in five refineries. Having spent money on such projects, the refineries faced a situation in which there was no measurable improvement in overall plant performance. These refineries are owned by different companies, yet they share a pattern of mistakes in administrating advanced controls. Highlighting these mistakes shows ways to improve the organization of advanced control technology, to avoid obvious pitfalls.

Friedman, Y.Z. (Petrocontrol, Madison, NJ (United States))

1992-10-01T23:59:59.000Z

386

Advanced Application Development Program Information  

Energy.gov (U.S. Department of Energy (DOE))

Summary of the Tranmission Reliability program's Advanced Applications Research and Development activity area. This program develops and demonstrates tools to monitor and control the grid with...

387

Advanced Manufacturing Office: Information Resources  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

incentives, tools, and training to help companies of all sizes identify energy saving projects and chart a path toward continuous energy improvement. Advanced Manufacturing...

388

Advanced Materials Research Highlights | ORNL  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Materials | Research Highlights Research Highlights 1-10 of 44 Results Prev 12345 Next Topotactic valence state control in epitaxial multivalent oxides July 17, 2013 -...

389

Advanced Cladding Materials for Fuels  

Science Conference Proceedings (OSTI)

Fuel Cycle Research and Development. Advanced Cladding Materials for. Fuels. Stuart A. Maloy. M. Nastasi, A. Misra. Los Alamos National Laboratory.

390

Media Center | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

impact on nearly every aspect of our lives. Annual Reports Articles on Advanced Photon Source research and engineering highlights that are written for the interested...

391

Information Technology | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Photon Source Information Technology Support Search APS ... Search Button About User Information News & Events Science & Education Beamlines Divisions Argonne Home >...

392

Advanced Flow-Battery Systems  

Science Conference Proceedings (OSTI)

Presentation Title, Advanced Flow-Battery Systems ... Abstract Scope, Flow- battery systems (FBS) were originally developed over 30 years ago and have since ...

393

Vulnerabilities in Advanced Metering Infrastructure.  

E-Print Network (OSTI)

??Smart grid has become a reality in the United States. Billions of dollars are being poured into deploying a major component, - the Advanced Metering… (more)

Podkuiko, Dmitry

2012-01-01T23:59:59.000Z

394

CAT Communicator | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Division XSD Groups Industry Argonne Home Advanced Photon Source News Archives CAT Communicator CAT Communicator was a newsletter intended to provide APS information to...

395

Participant Advance Information – PLEASE PRINT!  

Science Conference Proceedings (OSTI)

... Hotel Workshop participants may select from a ... for a listing of area hotels: http://www ... of Education, Department of Energy's Advanced Manufacturing ...

2013-01-23T23:59:59.000Z

396

NREL: Advanced Power Electronics - Webmaster  

NLE Websites -- All DOE Office Websites (Extended Search)

Your name: Your email address: Your message: Send Message Printable Version Advanced Power Electronics Home About the Project Technology Basics Research & Development...

397

Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

E27C177982 Vehicle Specifications Engine: 2.5 L 4-cylinder Electric Motor: 105 kW Battery: NiMH Seatbelt Positions: Five Payload: 981 lbs Features: Regenerative braking Traction...

398

VIN# JHMZE2H59AS011748 Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

H59AS011748 Vehicle Specifications Engine: 1.3 L 4-cylinder Electric Motor: 10 kW Battery: NiMH Seatbelt Positions: Five Payload: 907 lbs Features: Regenerative braking Traction...

399

VIN# KMHEC4A43BA004932 Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

3BA004932 Vehicle Specifications Engine: 2.4 L Electric Motor: 30 kW Battery: Lithium Polymer Seatbelt Positions: Five Payload: 1074 lbs Features: Regenerative braking Traction...

400

Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

E87C172351 Vehicle Specifications Engine: 2.5 L 4-cylinder Electric Motor: 105 kW Battery: NiMH Seatbelt Positions: Five Payload: 981 lbs Features: Regenerative braking Traction...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

Z07S838122 Vehicle Specifications Engine: 2.4 L 4 cylinder Electric Motor: 14.5 kW Battery: NiMH Seatbelt Positions: Five Payload: 1,244 lbs Features: Regenerative braking wABS 4...

402

Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

2AR194699 Vehicle Specifications Engine: 2.5 L 4-cylinder Electric Motor: 60 kW Battery: NiMH Seatbelt Positions: Five Payload: 850 lbs Features: Regenerative braking Traction...

403

VIN# JHMZE2H78AS010141 Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

H78AS010141 Vehicle Specifications Engine: 1.3 L 4-cylinder Electric Motor: 10 kW Battery: NiMH Seatbelt Positions: Five Payload: 907 lbs Features: Regenerative braking Traction...

404

Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

4AR144757 Vehicle Specifications Engine: 2.5 L 4-cylinder Electric Motor: 60 kW Battery: NiMH Seatbelt Positions: Five Payload: 850 lbs Features: Regenerative braking Traction...

405

VIN# JTDKN3DU5A0006063 Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

DU5A0006063 Vehicle Specifications Engine: 1.8 L 4-cylinder Electric Motor: 60 kW Battery: NiMH Seatbelt Positions: Five Payload: 885 lbs Features: Regenerative braking Traction...

406

Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

Z37S813344 Vehicle Specifications Engine: 2.4 L 4 cylinder Electric Motor: 14.5 kW Battery: NiMH Seatbelt Positions: Five Payload: 1,244 lbs Features: Regenerative braking wABS 4...

407

VIN# JTDKN3DU2A5010462 Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

DU2A5010462 Vehicle Specifications Engine: 1.8 L 4-cylinder Electric Motor: 60 kW Battery: NiMH Seatbelt Positions: Five Payload: 885 lbs Features: Regenerative braking Traction...

408

VIN# KMHEC4A47BA003539 Vehicle Specifications  

NLE Websites -- All DOE Office Websites (Extended Search)

7BA003539 Vehicle Specifications Engine: 2.4 L Electric Motor: 30 kW Battery: Lithium Polymer Seatbelt Positions: Five Payload: 1074 lbs Features: Regenerative braking Traction...

409

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

3 Overall DC electrical energy consumption (DC Whmi) 71 Overall DC electrical energy captured from regenerative braking (DC Whmi) 43 Total number of trips 13,167 Total distance...

410

No Slide Title  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

12kWpeak ISG 12kWpeak ISG NEW ORBITAL MODULES from EXIDE 8 x 6 V VW Golf - Stopstart, regenerative braking, launch-assist Battery 24 Ah, 8 x 6 V, spiral Medium Hybrids Project...

411

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

15 Overall DC electrical energy consumption (DC Whmi) 13 Overall DC electrical energy captured from regenerative braking (DC Whmi) 27 Total number of trips 2,405 Total distance...

412

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

0 Overall DC electrical energy captured from regenerative braking (DC Whmi) 43 Total number of trips 12,106 Total distance traveled (mi) 110,949 Trips in Charge Depleting (CD)...

413

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

8 Overall DC electrical energy consumption (DC Whmi) 70 Overall DC electrical energy captured from regenerative braking (DC Whmi) 28 Total number of trips 1,225 Total distance...

414

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

4 Overall DC electrical energy consumption (DC Whmi) 65 Overall DC electrical energy captured from regenerative braking (DC Whmi) 28 Total number of trips 2,348 Total distance...

415

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

33 Overall DC electrical energy consumption (DC Whmi) 26 Overall DC electrical energy captured from regenerative braking (DC Whmi) 27 Total number of trips 6,332 Total distance...

416

KEMA Proposal_Report w Appendices Template 2008 Gas Flame 2  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

typical T&D losses due to the need to use steel for catenary conductor) and can capture regenerative braking as well. Using storage avoids having to perform expensive or...

417

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

4 Overall DC electrical energy consumption (DC Whmi) 72 Overall DC electrical energy captured from regenerative braking (DC Whmi) 44 Total number of trips 13,043 Total distance...

418

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

2 Overall DC electrical energy captured from regenerative braking (DC Whmi) 44 Total number of trips 36,749 Total distance traveled (mi) 343,675 Trips in Charge Depleting (CD)...

419

42V_TestManual_April_2003.PDF  

NLE Websites -- All DOE Office Websites (Extended Search)

start (only) and energy for engine-off accessory loads, with no requirement to accept regenerative energy from braking. The M-HEV concept assumes that power is also supplied...

420

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

3 Overall DC electrical energy consumption (DC Whmi) 4 Overall DC electrical energy captured from regenerative braking (DC Whmi) 43 Total number of trips 5,888 Total distance...

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


421

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

1 Overall DC electrical energy consumption (DC Whmi) 65 Overall DC electrical energy captured from regenerative braking (DC Whmi) 45 Total number of trips 10,555 Total distance...

422

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

5 Overall DC electrical energy consumption (DC Whmi) 54 Overall DC electrical energy captured from regenerative braking (DC Whmi) 50 Total number of trips 4,546 Total distance...

423

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

3 Overall DC electrical energy consumption (DC Whmi) 71 Overall DC electrical energy captured from regenerative braking (DC Whmi) 42 Total number of trips 24,834 Total distance...

424

Simulator Makes Green Racing Real  

NLE Websites -- All DOE Office Websites (Extended Search)

graphics to display the race car's speed, indicators of when the hybrid system is using regenerative braking and boost, a "Hybrid Energy" gauge to show the amount of energy...

425

MonthlyReport  

NLE Websites -- All DOE Office Websites (Extended Search)

7 Overall DC electrical energy consumption (DC Whmi) 54 Overall DC electrical energy captured from regenerative braking (DC Whmi) 47 Total number of trips 6,560 Total distance...

426

New Yellow School Buses Harness the Sun in Wisconsin | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

to the charge gained from the solar array, the buses also recharge their batteries using regenerative braking, just like traditional hybrid vehicles. The school bus-with the need...

427

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

mi) 79 Overall DC electrical energy consumption (DC Whmi) 63 Overall DC electrical energy captured from regenerative braking (DC Whmi) 31 Total number of trips 2,245 Total...

428

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

0 Overall DC electrical energy consumption (DC Whmi) 0 Overall DC electrical energy captured from regenerative braking (DC Whmi) 27 Total number of trips 1,579 Total distance...

429

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

4 Overall DC electrical energy consumption (DC Whmi) 59 Overall DC electrical energy captured from regenerative braking (DC Whmi) 47 Total number of trips 21,661 Total distance...

430

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

33 Overall DC electrical energy consumption (DC Whmi) 74 Overall DC electrical energy captured from regenerative braking (DC Whmi) 33 Total number of trips 5,273 Total distance...

431

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

1 Overall DC electrical energy consumption (DC Whmi) 64 Overall DC electrical energy captured from regenerative braking (DC Whmi) 30 Total number of trips 4,292 Total distance...

432

Energy Storage for Transportation Applications I - Programmaster.org  

Science Conference Proceedings (OSTI)

Oct 17, 2011 ... Li plating limits the maximum safe charging rate of Li-ion batteries, and thus the amount of energy that can be captured by regenerative braking.

433

NREL: News Feature - NREL Helps Corporate Fleets Go Green  

NLE Websites -- All DOE Office Websites (Extended Search)

by Eaton Corp. These trucks can weigh in at as much as 55,000 lbs. The system includes regenerative braking and lithium-ion batteries that provide energy storage. Energy that is...

434

Microsoft PowerPoint - Francfort AVTA-INL EDVs - The Networked...  

NLE Websites -- All DOE Office Websites (Extended Search)

mile average trip distance * 5.3 mph average speed g * 32.2 average stops per mile * 15% regenerative braking energy recovery - All trips 1 43 AC DC Whmi ratio 668 AC Whmi...

435

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

2 Overall DC electrical energy consumption (DC Whmi) 70 Overall DC electrical energy captured from regenerative braking (DC Whmi) 43 Total number of trips 95,019 Total distance...

436

_MainReport  

NLE Websites -- All DOE Office Websites (Extended Search)

0 Overall DC electrical energy consumption (DC Whmi) 69 Overall DC electrical energy captured from regenerative braking (DC Whmi) 44 Total number of trips 88,891 Total distance...

437

Advanced Hydrogen Turbine Development  

DOE Green Energy (OSTI)

Siemens has developed a roadmap to achieve the DOE goals for efficiency, cost reduction, and emissions through innovative approaches and novel technologies which build upon worldwide IGCC operational experience, platform technology, and extensive experience in G-class operating conditions. In Phase 1, the technologies and concepts necessary to achieve the program goals were identified for the gas turbine components and supporting technology areas and testing plans were developed to mitigate identified risks. Multiple studies were conducted to evaluate the impact in plant performance of different gas turbine and plant technologies. 2015 gas turbine technologies showed a significant improvement in IGCC plant efficiency, however, a severe performance penalty was calculated for high carbon capture cases. Thermodynamic calculations showed that the DOE 2010 and 2015 efficiency targets can be met with a two step approach. A risk management process was instituted in Phase 1 to identify risk and develop mitigation plans. For the risks identified, testing and development programs are in place and the risks will be revisited periodically to determine if changes to the plan are necessary. A compressor performance prediction has shown that the design of the compressor for the engine can be achieved with additional stages added to the rear of the compressor. Tip clearance effects were studied as well as a range of flow and pressure ratios to evaluate the impacts to both performance and stability. Considerable data was obtained on the four candidate combustion systems: diffusion, catalytic, premix, and distributed combustion. Based on the results of Phase 1, the premixed combustion system and the distributed combustion system were chosen as having the most potential and will be the focus of Phase 2 of the program. Significant progress was also made in obtaining combustion kinetics data for high hydrogen fuels. The Phase 1 turbine studies indicate initial feasibility of the advanced hydrogen turbine that meets the aggressive targets set forth for the advanced hydrogen turbine, including increased rotor inlet temperature (RIT), lower total cooling and leakage air (TCLA) flow, higher pressure ratio, and higher mass flow through the turbine compared to the baseline. Maintaining efficiency with high mass flow Syngas combustion is achieved using a large high AN2 blade 4, which has been identified as a significant advancement beyond the current state-of-the-art. Preliminary results showed feasibility of a rotor system capable of increased power output and operating conditions above the baseline. In addition, several concepts were developed for casing components to address higher operating conditions. Rare earth modified bond coat for the purpose of reducing oxidation and TBC spallation demonstrated an increase in TBC spallation life of almost 40%. The results from Phase 1 identified two TBC compositions which satisfy the thermal conductivity requirements and have demonstrated phase stability up to temperatures of 1850 C. The potential to join alloys using a bonding process has been demonstrated and initial HVOF spray deposition trials were promising. The qualitative ranking of alloys and coatings in environmental conditions was also performed using isothermal tests where significant variations in alloy degradation were observed as a function of gas composition. Initial basic system configuration schematics and working system descriptions have been produced to define key boundary data and support estimation of costs. Review of existing materials in use for hydrogen transportation show benefits or tradeoffs for materials that could be used in this type of applications. Hydrogen safety will become a larger risk than when using natural gas fuel as the work done to date in other areas has shown direct implications for this type of use. Studies were conducted which showed reduced CO{sub 2} and NOx emissions with increased plant efficiency. An approach to maximize plant output is needed in order to address the DOE turbine goal for 20-30% reduction o

Joesph Fadok

2008-01-01T23:59:59.000Z

438

Rerouting in advance reservation networks  

Science Conference Proceedings (OSTI)

The advance reservation of network connections is an area of growing interest and a range of service models and algorithms have been proposed to achieve various scheduling objectives, i.e., including optimization-based strategies and heuristic schemes. ... Keywords: Advance reservation, Bandwidth migration, Load-balancing, Rerouting

Chongyang Xie; Hamed Alazemi; Nasir Ghani

2012-07-01T23:59:59.000Z

439

Advanced Light Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Next >> Next >> Visitors Access to the ALS Gate Access guest-house Guest House lab-shuttles Lab Shuttles maps-and-directions Maps and Directions Parking Safety Safety for Users safety-for-staff Safety for Staff In Case of Emergency Resources Acronyms Multimedia Employment staff-intranet Staff Intranet Site Map Contact Digg: ALSBerkeleyLab Facebook Page: 208064938929 Flickr: advancedlightsource Twitter: ALSBerkeleyLab YouTube: AdvancedLightSource January 2014 Sun Mon Tue Wed Thu Fri Sat 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Recent Science Highlights Minding the Gap Makes for More Efficient Solar Cells Using novel materials to develop thin, flexible, and more efficient photovoltaic cells is one of the hottest topics in current materials research. A class of transition metals undergo a dramatic change that makes them ideal for solar energy applications.

440

ADVANCED CUTTINGS TRANSPORT STUDY  

SciTech Connect

This is the second quarterly progress report for Year 2 of the ACTS project. It includes a review of progress made in Flow Loop development and research during the period of time between Oct 1, 2000 and December 31, 2000. This report presents a review of progress on the following specific tasks: (a) Design and development of an Advanced Cuttings Transport Facility (Task 2: Addition of a foam generation and breaker system), (b) Research project (Task 6): ''Study of Cuttings Transport with Foam Under LPAT Conditions (Joint Project with TUDRP)'', (c) Research project (Task 7): ''Study of Cuttings Transport with Aerated Muds Under LPAT Conditions (Joint Project with TUDRP)'', (d) Research project (Task 8): ''Study of Flow of Synthetic Drilling Fluids Under Elevated Pressure and Temperature Conditions'', (e) Research project (Task 9): ''Study of Foam Flow Behavior Under EPET Conditions'', (f) Research project (Task 10): ''Study of Cuttings Transport with Aerated Mud Under Elevated Pressure and Temperature Conditions'', (g) Research on instrumentation tasks to measure: Cuttings concentration and distribution in a flowing slurry (Task 11), and Foam properties while transporting cuttings. (Task 12), (h) Development of a Safety program for the ACTS Flow Loop. Progress on a comprehensive safety review of all flow-loop components and operational procedures. (Task 1S). (i) Activities towards technology transfer and developing contacts with Petroleum and service company members, and increasing the number of JIP members. The tasks Completed During This Quarter are Task 7 and Task 8.

Troy Reed; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Gerald Kane; Mark Pickell; Len Volk; Mike Volk; Barkim Demirdal; Affonso Lourenco; Evren Ozbayoglu; Paco Vieira; Lei Zhou

2000-01-30T23:59:59.000Z

Note: This page contains sample records for the topic "regenerative braking advanced" from the National Library of EnergyBeta (NLEBeta).
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441

ADVANCED CUTTINGS TRANSPORT STUDY  

Science Conference Proceedings (OSTI)

This is the first quarterly progress report for Year 2 of the ACTS project. It includes a review of progress made in Flow Loop development and research during the period of time between July 14, 2000 and September 30, 2000. This report presents information on the following specific tasks: (a) Progress in Advanced Cuttings Transport Facility design and development (Task 2), (b) Progress on research project (Task 8): ''Study of Flow of Synthetic Drilling Fluids Under Elevated Pressure and Temperature Conditions'', (c) Progress on research project (Task 6): ''Study of Cuttings Transport with Foam Under LPAT Conditions (Joint Project with TUDRP)'', (d) Progress on research project (Task 7): ''Study of Cuttings Transport with Aerated Muds Under LPAT Conditions (Joint Project with TUDRP)'', (e) Progress on research project (Task 9): ''Study of Foam Flow Behavior Under EPET Conditions'', (f) Initiate research on project (Task 10): ''Study of Cuttings Transport with Aerated Mud Under Elevated Pressure and Temperature Conditions'', (g) Progress on instrumentation tasks to measure: Cuttings concentration and distribution (Tasks 11), and Foam properties (Task 12), (h) Initiate a comprehensive safety review of all flow-loop components and operational procedures. Since the previous Task 1 has been completed, we will now designate this new task as: (Task 1S). (i) Activities towards technology transfer and developing contacts with Petroleum and service company members, and increasing the number of JIP members.

Troy Reed; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Gerald Kane; Mark Pickell; Len Volk; Mike Volk; Barkim Demirdal; Affonso Lourenco; Evren Ozbayoglu; Paco Vieira

2000-10-30T23:59:59.000Z

442

ADVANCED CUTTINGS TRANSPORT STUDY  

SciTech Connect

This is the fourth quarterly progress report for Year-3 of the ACTS Project. It includes a review of progress made in: (1) Flow Loop construction and development and (2) research tasks during the period of time between April 1, 2002 and June 30, 2002. This report presents a review of progress on the following specific tasks: (a) Design and development of an Advanced Cuttings Transport Facility (Task 3: Addition of a Cuttings Injection/Separation System), (b) Research project (Task 6): ''Study of Cuttings Transport with Foam Under LPAT Conditions (Joint Project with TUDRP)''; (c) Research project (Task 9b): ''Study of Foam Flow Behavior Under EPET Conditions''; (d) Research project (Task 10): ''Study of Cuttings Transport with Aerated Mud Under Elevated Pressure and Temperature Conditions''; (e) Research on three instrumentation tasks to measure: Cuttings concentration and distribution in a flowing slurry (Task 11), Foam texture while transporting cuttings. (Task 12), and Viscosity of Foam under EPET (Task 9b); (f) Development of a Safety program for the ACTS Flow Loop. Progress on a comprehensive safety review of all flow-loop components and operational procedures. (Task 1S); (g) Activities towards technology transfer and developing contacts with Petroleum and service company members, and increasing the number of JIP members.

Troy Reed; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Mark Pickell; Len Volk; Mike Volk; Evren Ozbayoglu; Lei Zhou

2002-07-30T23:59:59.000Z

443

ADVANCED CUTTINGS TRANSPORT STUDY  

SciTech Connect

This is the second quarterly progress report for Year-4 of the ACTS Project. It includes a review of progress made in: (1) Flow Loop construction and development and (2) research tasks during the period of time between October 1, 2002 and December 30, 2002. This report presents a review of progress on the following specific tasks. (a) Design and development of an Advanced Cuttings Transport Facility Task 3: Addition of a Cuttings Injection/Separation System, Task 4: Addition of a Pipe Rotation System. (b) New research project (Task 9b): ''Development of a Foam Generator/Viscometer for Elevated Pressure and Elevated Temperature (EPET) Conditions''. (d) Research project (Task 10): ''Study of Cuttings Transport with Aerated Mud Under Elevated Pressure and Temperature Conditions''. (e) Research on three instrumentation tasks to measure: Cuttings concentration and distribution in a flowing slurry (Task 11), Foam texture while transporting cuttings. (Task 12), and Viscosity of Foam under EPET (Task 9b). (f) New Research project (Task 13): ''Study of Cuttings Transport with Foam under Elevated Pressure and Temperature Conditions''. (g) Development of a Safety program for the ACTS Flow Loop. Progress on a comprehensive safety review of all flow-loop components and operational procedures. (Task 1S). (h) Activities towards technology transfer and developing contacts with Petroleum and service company members, and increasing the number of JIP members.

Troy Reed; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Mark Pickell; Len Volk; Mike Volk; Lei Zhou; Zhu Chen; Crystal Redden; Aimee Washington

2003-01-30T23:59:59.000Z

444

ADVANCED CUTTINGS TRANSPORT STUDY  

Science Conference Proceedings (OSTI)

This is the third quarterly progress report for Year 3 of the ACTS Project. It includes a review of progress made in: (1) Flow Loop construction and development and (2) research tasks during the period of time between Jan. 1, 2002 and Mar. 31, 2002. This report presents a review of progress on the following specific tasks: (a) Design and development of an Advanced Cuttings Transport Facility (Task 3: Addition of a Cuttings Injection/Separation System), (b) Research project (Task 6): ''Study of Cuttings Transport with Foam Under LPAT Conditions (Joint Project with TUDRP)'', (c) Research project (Task 9b): ''Study of Foam Flow Behavior Under EPET Conditions'', (d) Research project (Task 10): ''Study of Cuttings Transport with Aerated Mud Under Elevated Pressure and Temperature Conditions'', (e) Research on three instrumentation tasks to measure: Cuttings concentration and distribution in a flowing slurry (Task 11), Foam texture while transporting cuttings. (Task 12), and Viscosity of Foam under EPET (Task 9b); (f) Development of a Safety program for the ACTS Flow Loop, progress on a comprehensive safety review of all flow-loop components and operational procedures. (Task 1S); and (g) Activities towards technology transfer and developing contacts with Petroleum and service company members, and increasing the number of JIP members.

Troy Reed; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Mark Pickell; Len Volk; Mike Volk; Evren Ozbayoglu; Lei Zhou

2002-04-30T23:59:59.000Z

445

ADVANCED CUTTINGS TRANSPORT STUDY  

Science Conference Proceedings (OSTI)

This is the second quarterly progress report for Year 3 of the ACTS project. It includes a review of progress made in: (1) Flow Loop development and (2) research tasks during the period of time between Oct 1, 2001 and Dec. 31, 2001. This report presents a review of progress on the following specific tasks: (a) Design and development of an Advanced Cuttings Transport Facility (Task 3: Addition of a Cuttings Injection/Collection System), (b) Research project (Task 6): ''Study of Cuttings Transport with Foam Under LPAT Conditions (Joint Project with TUDRP)'', (c) Research project (Task 9): ''Study of Foam Flow Behavior Under EPET Conditions'', (d) Research project (Task 10): ''Study of Cuttings Transport with Aerated Mud Under Elevated Pressure and Temperature Conditions'', (e) Research on instrumentation tasks to measure: Cuttings concentration and distribution in a flowing slurry (Task 11), and Foam properties while transporting cuttings. (Task 12), (f) Development of a Safety program for the ACTS Flow Loop. Progress on a comprehensive safety review of all flow-loop components and operational procedures. (Task 1S). (g) Activities towards technology transfer and developing contacts with Petroleum and service company members, and increasing the number of JIP members.

Troy Reed; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Gerald Kane; Mark Pickell; Len Volk; Mike Volk; Affonso Lourenco; Evren Ozbayoglu; Lei Zhou

2002-01-30T23:59:59.000Z

446

ADVANCED CUTTINGS TRANSPORT STUDY  

SciTech Connect

This is the first quarterly progress report for Year-4 of the ACTS Project. It includes a review of progress made in: (1) Flow Loop construction and development and (2) research tasks during the period of time between July 1, 2002 and Sept. 30, 2002. This report presents a review of progress on the following specific tasks: (a) Design and development of an Advanced Cuttings Transport Facility Task 3: Addition of a Cuttings Injection/Separation System, Task 4: Addition of a Pipe Rotation System, (b) New Research project (Task 9b): ''Development of a Foam Generator/Viscometer for Elevated Pressure and Elevated Temperature (EPET) Conditions'', (d) Research project (Task 10): ''Study of Cuttings Transport with Aerated Mud Under Elevated Pressure and Temperature Conditions'', (e) Research on three instrumentation tasks to measure: Cuttings concentration and distribution in a flowing slurry (Task 11), Foam texture while transporting cuttings (Task 12), Viscosity of Foam under EPET (Task 9b). (f) Development of a Safety program for the ACTS Flow Loop. Progress on a comprehensive safety review of all flow-loop components and operational procedures. (Task 1S). (g) Activities towards technology transfer and developing contacts with Petroleum and service company members, and increasing the number of JIP members.

Troy Reed; Stefan Miska; Nicholas Takach; Kaveh Ashenayi; Mark Pickell; Len Volk, Mike Volk; Lei Zhou; Zhu Chen; Crystal Redden; Aimee Washington

2002-10-30T23:59:59.000Z

447

Advanced Production Planning Models  

SciTech Connect

>This report describes the innovative modeling approach developed as a result of a 3-year Laboratory Directed Research and Development project. The overall goal of this project was to provide an effective suite of solvers for advanced production planning at facilities in the nuclear weapons complex (NWC). We focused our development activities on problems related to operations at the DOE's Pantex Plant. These types of scheduling problems appear in many contexts other than Pantex--both within the NWC (e.g., Neutron Generators) and in other commercial manufacturing settings. We successfully developed an innovative and effective solution strategy for these types of problems. We have tested this approach on actual data from Pantex, and from Org. 14000 (Neutron Generator production). This report focuses on the mathematical representation of the modeling approach and presents three representative studies using Pantex data. Results associated with the Neutron Generator facility will be published in a subsequent SAND report. The approach to task-based scheduling described here represents a significant addition to the literature for large-scale, realistic scheduling problems in a variety of production settings.

JONES,DEAN A.; LAWTON,CRAIG R.; KJELDGAARD,EDWIN A.; WRIGHT,STEPHEN TROY; TURNQUIST,MARK A.; NOZICK,LINDA K.; LIST,GEORGE F.

2000-12-01T23:59:59.000Z

448

ADVANCED HYBRID PARTICULATE COLLECTOR  

SciTech Connect

A new concept in particulate control, called an advanced hybrid particulate collector (AHPC), is being developed under funding from the US Department of Energy. The AHPC combines the best features of electrostatic precipitators (ESPs) and baghouses in an entirely novel manner. The AHPC concept combines fabric filtration and electrostatic precipitation in the same housing, providing major synergism between the two methods, both in the particulate collection step and in transfer of dust to the hopper. The AHPC provides ultrahigh collection efficiency, overcoming the problem of excessive fine-particle emissions with conventional ESPs, and solves the problem of reentrainment and recollection of dust in conventional baghouses. Phase I of the development effort consisted of design, construction, and testing of a 5.7-m{sup 3}/min (200-acfm) working AHPC model. Results from both 8-hour parametric tests and 100-hour proof-of-concept tests with two different coals demonstrated excellent operability and greater than 99.99% fine-particle collection efficiency.

Stanley J. Miller; Grant L. Schelkoph; Grant E. Dunham

2000-12-01T23:59:59.000Z

449

Advanced Powertrain Research Facility  

NLE Websites -- All DOE Office Websites (Extended Search)

95F 95F Vehicle Setup Information Vehicle architecture PHEV Test cell location Front Advanced Powertrain Research Facility Document date 10/18/2013 Vehicle dynamometer Input Revision Number 1 Test weight [lb] 3518 Notes: Target A [lb] 21.47 Target B [lb/mph] 0.21588 Target C [lb/mph^2] 0.012508 Test Fuel Information Revision Number 1 Test weight [lb] 3518 Test Fuel Information Fuel type EPA Tier II EEE HF0437 Fuel density [g/ml] 0.742 Fuel Net HV [BTU/lbm] 18475 Fuel type EPA Tier II EEE HF0437 T e s t I D [ # ] C y c l e C o l d s t a r t ( C S t ) H o t s t a r t [ H S t ] D a t e T e s t C e l l T e m p [ C ] T e s t C e l l R H [ % ] T e s t C e l l B a r o [ i n / H g ] V e h i c l e c o o l i n g f a n s p e e d : S p e e d M a t c h [ S M ] o r c o n s t a n t s p e e d [ C S ] S o l a r L a m p s [ W / m 2 ] V e i c l e C l i m a t e C o n t r o l s e t t i n g s H o o d P o s i t i o n [ U p ] o r [ C l o s e d ] W i n d o w P o s i t i o n [ C l o s e d ] o r [ D o w n ] C y

450

ADVANCED TURBINE SYSTEMS PROGRAM  

Science Conference Proceedings (OSTI)

The market for power generation equipment is undergoing a tremendous transformation. The traditional electric utility industry is restructuring, promising new opportunities and challenges for all facilities to meet their demands for electric and thermal energy. Now more than ever, facilities have a host of options to choose from, including new distributed generation (DG) technologies that are entering the market as well as existing DG options that are improving in cost and performance. The market is beginning to recognize that some of these users have needs beyond traditional grid-based power. Together, these changes are motivating commercial and industrial facilities to re-evaluate their current mix of energy services. One of the emerging generating options is a new breed of advanced fuel cells. While there are a variety of fuel cell technologies being developed, the solid oxide fuel cells (SOFC) and molten carbonate fuel cells (MCFC) are especially promising, with their electric efficiency expected around 50-60 percent and their ability to generate either hot water or high quality steam. In addition, they both have the attractive characteristics of all fuel cells--relatively small siting footprint, rapid response to changing loads, very low emissions, quiet operation, and an inherently modular design lending itself to capacity expansion at predictable unit cost with reasonably short lead times. The objectives of this project are to:(1) Estimate the market potential for high efficiency fuel cell hybrids in the U.S.;(2) Segment market size by commercial, industrial, and other key markets;(3) Identify and evaluate potential early adopters; and(4) Develop results that will help prioritize and target future R&D investments. The study focuses on high efficiency MCFC- and SOFC-based hybrids and competing systems such as gas turbines, reciprocating engines, fuel cells and traditional grid service. Specific regions in the country have been identified where these technologies and the corresponding early adopters are likely to be located.

Sy Ali

2002-03-01T23:59:59.000Z

451

State Technologies Advancement Collaborative  

DOE Green Energy (OSTI)

The U. S. Department of Energy (DOE), National Association of State Energy Officials (NASEO), and Association of State Energy Research and Technology Transfer Institutions (ASERTTI) signed an intergovernmental agreement on November 14, 2002, that allowed states and territories and the Federal Government to better collaborate on energy research, development, demonstration and deployment (RDD&D) projects. The agreement established the State Technologies Advancement Collaborative (STAC) which allowed the states and DOE to move RDD&D forward using an innovative competitive project selection and funding process. A cooperative agreement between DOE and NASEO served as the contracting instrument for this innovative federal-state partnership obligating funds from DOE's Office of Energy Efficiency and Renewable Energy and Office of Fossil Energy to plan, fund, and implement RDD&D projects that were consistent with the common priorities of the states and DOE. DOE's Golden Field Office provided Federal oversight and guidance for the STAC cooperative agreement. The STAC program was built on the foundation of prior Federal-State efforts to collaborate on and engage in joint planning for RDD&D. Although STAC builds on existing, successful programs, it is important to note that it was not intended to replace other successful joint DOE/State initiatives such as the State Energy Program or EERE Special Projects. Overall the STAC process was used to fund, through three competitive solicitations, 35 successful multi-state research, development, deployment, and demonstration projects with an overall average non-federal cost share of 43%. Twenty-two states were awarded at least one prime contract, and organizations in all 50 states and some territories were involved as subcontractors in at least one STAC project. Projects were funded in seven program areas: (1) Building Technologies, (2) Industrial Technologies, (3) Transportation Technologies, (4) Distributed Energy Resources, (5) Hydrogen Technology Learning Centers, (6) Fossil Energy, and (7) Rebuild America.

David S. Terry

2012-01-30T23:59:59.000Z

452

Advanced Geothermal Turbodrill  

DOE Green Energy (OSTI)

Approximately 50% of the cost of a new geothermal power plant is in the wells that must be drilled. Compared to the majority of oil and gas wells, geothermal wells are more difficult and costly to drill for several reasons. First, most U.S. geothermal resources consist of hot, hard crystalline rock formations which drill much slower than the relatively soft sedimentary formations associated with most oil and gas production. Second, high downhole temperatures can greatly shorten equipment life or preclude the use of some technologies altogether. Third, producing viable levels of electricity from geothermal fields requires the use of large diameter bores and a high degree of fluid communication, both of which increase drilling and completion costs. Optimizing fluid communication often requires creation of a directional well to intersect the best and largest number of fracture capable of producing hot geothermal fluids. Moineau motor stators made with elastomers cannot operate at geothermal temperatures, so they are limited to the upper portion of the hole. To overcome these limitations, Maurer Engineering Inc. (MEI) has developed a turbodrill that does not use elastomers and therefore can operate at geothermal temperatures. This new turbodrill uses a special gear assembly to reduce the output speed, thus allowing a larger range of bit types, especially tri-cone roller bits, which are the bits of choice for drilling hard crystalline formations. The Advanced Geothermal Turbodrill (AGT) represents a significant improvement for drilling geothermal wells and has the potential to significantly reduce drilling costs while increasing production, thereby making geothermal energy less expensive and better able to compete with fossil fuels. The final field test of the AGT will prepare the tool for successful commercialization.

W. C. Maurer

2000-05-01T23:59:59.000Z

453

Progress Report for Advanced Automotive Fuels  

Alternative Fuels and Advanced Vehicles Data Center (EERE)

Energy Energy Office of Advanced Automotive Technologies 1000 Independence Avenue, S.W. Washington, DC 20585-0121 FY 1999 FY 1999 FY 1999 FY 1999 Progress Report for Advanced Automotive Fuels Progress Report for Advanced Automotive Fuels Progress Report for Advanced Automotive Fuels Progress Report for Advanced Automotive Fuels Energy Efficiency and Renewable Energy Energy Efficiency and Renewable Energy Energy Efficiency and Renewable Energy Energy Efficiency and Renewable Energy Office of Transportation Technologies Office of Transportation Technologies Office of Transportation Technologies Office of Transportation Technologies Office of Advanced Automotive Technologies Office of Advanced Automotive Technologies Office of Advanced Automotive Technologies Office of Advanced Automotive Technologies

454

NETL: Advanced Research - The Advanced Research (AR) Program  

NLE Websites -- All DOE Office Websites (Extended Search)

AR Program AR Program Advanced Research The Advanced Research (AR) Program Advanced Research Program Diagram CLICK ON GRAPHIC TO ENLARGE CLICK ON GRAPHIC TO ENLARGE AR pursues projects in several key areas that are considered to be of greatest relevance and potential benefit to advanced coal and power systems. Many of AR's projects focus on "breakthrough" technologies or novel applications, striving to balance high risk against the prospect of high payoff in terms of measurable benefits to coal and power systems technologies - improved efficiencies, lower costs, new materials, and new processes. AR manages a portfolio that includes pre-commercial projects that rely on NETL's in-house facilities and depth of expertise, as well as collaborative external arrangements that draw upon diverse outside

455

ADVANCED STEAM GENERATORS  

SciTech Connect

Concerns about climate change have encouraged significant interest in concepts for ultra-low or ''zero''-emissions power generation systems. In some proposed concepts, nitrogen is removed from the combustion air and replaced with another diluent such as carbon dioxide or steam. In this way, formation of nitrogen oxides is prevented, and the exhaust stream can be separated into concentrated CO{sub 2} and steam or water streams. The concentrated CO{sub 2} stream could then serve as input to a CO{sub 2} sequestration process or utilized in some other way. Some of these concepts are illustrated in Figure 1. This project is an investigation of one approach to ''zero'' emission power generation. Oxy-fuel combustion is used with steam as diluent in a power cycle proposed by Clean Energy Systems, Inc. (CES) [1,2]. In oxy-fuel combustion, air separation is used to produce nearly pure oxygen for combustion. In this particular concept, the combustion temperatures are moderated by steam as a diluent. An advantage of this technique is that water in the product stream can be condensed with relative ease, leaving a pure CO{sub 2} stream suitable for sequestration. Because most of the atmospheric nitrogen has been separated from the oxidant, the potential to form any NOx pollutant is very small. Trace quantities of any minor pollutants species that do form are captured with the CO{sub 2} or can be readily removed from the condensate. The result is a nearly zero-emission power plant. A sketch of the turbine system proposed by CES is shown in Figure 2. NETL is working with CES to develop a reheat combustor for this application. The reheat combustion application is unusual even among oxy-fuel combustion applications. Most often, oxy-fuel combustion is carried out with the intent of producing very high temperatures for heat transfer to a product. In the reheat case, incoming steam is mixed with the oxygen and natural gas fuel to control the temperature of the output stream to about 1480 K. A potential concern is the possibility of quenching non-equilibrium levels of CO or unburned fuel in the mixing process. Inadequate residence times in the combustor and/or slow kinetics could possibly result in unacceptably high emissions. Thus, the reheat combustor design must balance the need for minimal excess oxygen with the need to oxidize the CO. This paper will describe the progress made to date in the design, fabrication, and simulation of a reheat combustor for an advanced steam generator system, and discuss planned experimental testing to be conducted in conjunction with NASA Glenn Research Center-Plumb Brook Station.

Richards, Geo. A.; Casleton, Kent H.; Lewis, Robie E.; Rogers, William A. (U.S. DOE National Energy Technology Laboratory); Woike, Mark R.; Willis; Brian P. (NASA Glenn Research Center)

2001-11-06T23:59:59.000Z

456

Advanced Process Heater  

SciTech Connect

The Roadmap for Process Heating Technology (March 16, 2001), identified the following priority R&D needs: Improved performance of high temperature materials; Improved methods for stabilizing low emission flames; Heating technologies that simultaneously reduce emissions, increase efficiency, and increase heat transfer. This Category I award entitled ''Proof of Concept of an Advanced Process Heater (APH) for Steel, Aluminum, and Petroleum Industries of the Future'' met the technical feasibility goals of: (1) Doubling the heat transfer rates (2) Improving thermal efficiencies by 20%, (3) Improving temperature uniformity by 100 degrees F and (4) simultaneously reducing NOx and CO2 emissions. The APH address EERE's mission priority of increasing efficiency/reducing fuel usage in energy intensive industries. One component of the APH, the SpyroCorTM, was commercialized by STORM Development's partner, Spinworks LLC. Over 2000 SpyrCorsTM were sold in 2004 resulting in 480 million BTU's of energy savings, 20% reduction in NOx and CO2 levels, and 9 jobs in N.W. Pennsylvania. A second component, the HeatCorTM, a low-cost high-temperature heat exchanger will be demonstrated by Spinworks in 2005 in preparation for commercial sales in 2006. The project occurred in the 21st Congressional District of Pennsylvania. Once fully commercialized, the APH energy savings potential is 339 trillion BTUs annually in the U.S. and will process 1.5 million more tons annually without major capital equipment expenditures. Spinworks will commercialize the APH and add over 100 U.S. workers. To accomplish the objective, STORM Development LLC teamed with Penn State University, SyCore, Inc, Spinworks LLC, and Schunk-INEX, Inc. The project consisted of component engineering and integration of the APH followed by parametric testing. All components of the system were tested in a lab furnace that simulates a full scale industrial installation. The target areas for development include: (1) Scale up STORM's Finned Stabilized Combustion, (2) Optimization of SyCore's SiGr Inserts such that the heat transfer on the exhaust leg will match the high luminosity burner leg., (3) Evaluation of the heat transfer characteristics of Schunk-INEX's finned composite tubes as a heat exchanger, and (4) Design of a system to monitor all components of the APH and control its performance such that the objectives are met.

Tom Briselden, Chris Parrish

2005-03-07T23:59:59.000Z

457

Advanced Light Source Activity Report 2005  

E-Print Network (OSTI)

upgrade on the Advanced Light Source," Nucl. Instrum. Meth.n photoemission at the Advanced Light Source," Radiât. Phys.high-pressure studies at the Advanced Light Source w i t h a

Tamura Ed., Lori S.

2010-01-01T23:59:59.000Z

458

Ohio Advanced Energy Manufacturing Center  

Science Conference Proceedings (OSTI)

The program goal of the Ohio Advanced Energy Manufacturing Center (OAEMC) is to support advanced energy manufacturing and to create responsive manufacturing clusters that will support the production of advanced energy and energy-efficient products to help ensure the nation's energy and environmental security. This goal cuts across a number of existing industry segments critical to the nation's future. Many of the advanced energy businesses are starting to make the transition from technology development to commercial production. Historically, this transition from laboratory prototypes through initial production for early adopters to full production for mass markets has taken several years. Developing and implementing manufacturing technology to enable production at a price point the market will accept is a key step. Since these start-up operations are configured to advance the technology readiness of the core energy technology, they have neither the expertise nor the resources to address manufacturing readiness issues they encounter as the technology advances toward market entry. Given the economic realities of today's business environment, finding ways to accelerate this transition can make the difference between success and failure for a new product or business. The advanced energy industry touches a wide range of industry segments that are not accustomed to working together in complex supply chains to serve large markets such as automotive and construction. During its first three years, the Center has catalyzed the communication between companies and industry groups that serve the wide range of advanced energy markets. The Center has also found areas of common concern, and worked to help companies address these concerns on a segment or industry basis rather than having each company work to solve common problems individually. EWI worked with three industries through public-private partnerships to sew together disparate segments helping to promote overall industry health. To aid the overall advanced energy industry, EWI developed and launched an Ohio chapter of the non-profit Advanced Energy Economy. In this venture, Ohio joins with six other states including Colorado, Connecticut, Illinois, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont to help promote technologies that deliver energy that is affordable, abundant and secure. In a more specific arena, EWI's advanced energy group collaborated with the EWI-run Nuclear Fabrication Consortium to promote the nuclear supply chain. Through this project EWI has helped bring the supply chain up to date for the upcoming period of construction, and assisted them in understanding the demands for the next generation of facilities now being designed. In a more targeted manner, EWI worked with 115 individual advanced energy companies that are attempting to bring new technology to market. First, these interactions helped EWI develop an awareness of issues common to companies in different advanced energy sectors. By identifying and addressing common issues, EWI helps companies bring technology to market sooner and at a lower cost. These visits also helped EWI develop a picture of industry capability. This helped EWI provide companies with contacts that can supply commercial solutions to their new product development challenges. By providing assistance in developing supply chain partnerships, EWI helped companies bring their technology to market faster and at a lower cost than they might have been able to do by themselves. Finally, at the most granular level EWI performed dedicated research and development on new manufacturing processes for advanced energy. During discussions with companies participating in advanced energy markets, several technology issues that cut across market segments were identified. To address some of these issues, three crosscutting technology development projects were initiated and completed with Center support. This included reversible welds for batteries and high temperature heat exchangers. It also included a novel advanced weld trainer that EWI

Kimberly Gibson; Mark Norfolk

2012-07-30T23:59:59.000Z

459

Advanced RNN Based NARMA Predictors  

Science Conference Proceedings (OSTI)

An analysis of nonlinear time series prediction schemes, realised though advanced Recurrent Neural Network (RNN) techniques is provided. Due to practical constraints in using common RNNs, such as the problem of vanishing gradient, some other ways to ...

Danilo P. Mandic; Jonathon A. Chambers

2000-08-01T23:59:59.000Z

460

Recent advances in kernel machines  

Science Conference Proceedings (OSTI)

This talk will review recent advances in the kernel methods focusing on support vector machines (SVM) for pattern recognition. Topics discussed include the kernel design issue through the multi kernel approach and the optimization issue with emphasis ...

Stéphane Canu

2010-11-01T23:59:59.000Z

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461

Ohio Advanced Energy Manufacturing Center  

SciTech Connect

The program goal of the Ohio Advanced Energy Manufacturing Center (OAEMC) is to support advanced energy manufacturing and to create responsive manufacturing clusters that will support the production of advanced energy and energy-efficient products to help ensure the nation's energy and environmental security. This goal cuts across a number of existing industry segments critical to the nation's future. Many of the advanced energy businesses are starting to make the transition from technology development to commercial production. Historically, this transition from laboratory prototypes through initial production for early adopters to full production for mass markets has taken several years. Developing and implementing manufacturing technology to enable production at a price point the market will accept is a key step. Since these start-up operations are configured to advance the technology readiness of the core energy technology, they have neither the expertise nor the resources to address manufacturing readiness issues they encounter as the technology advances toward market entry. Given the economic realities of today's business environment, finding ways to accelerate this transition can make the difference between success and failure for a new product or business. The advanced energy industry touches a wide range of industry segments that are not accustomed to working together in complex supply chains to serve large markets such as automotive and construction. During its first three years, the Center has catalyzed the communication between companies and industry groups that serve the wide range of advanced energy markets. The Center has also found areas of common concern, and worked to help companies address these concerns on a segment or industry basis rather than having each company work to solve common problems individually. EWI worked with three industries through public-private partnerships to sew together disparate segments helping to promote overall industry health. To aid the overall advanced energy industry, EWI developed and launched an Ohio chapter of the non-profit Advanced Energy Economy. In this venture, Ohio joins with six other states including Colorado, Connecticut, Illinois, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont to help promote technologies that deliver energy that is affordable, abundant and secure. In a more specific arena, EWI's advanced energy group collaborated with the EWI-run Nuclear Fabrication Consortium to promote the nuclear supply chain. Through this project EWI has helped bring the supply chain up to date for the upcoming period of construction, and assisted them in understanding the demands for the next generation of facilities now being designed. In a more targeted manner, EWI worked with 115 individual advanced energy companies that are attempting to bring new technology to market. First, these interactions helped EWI develop an awareness of issues common to companies in different advanced energy sectors. By identifying and addressing common issues, EWI helps companies bring technology to market sooner and at a lower cost. These visits also helped EWI develop a picture of industry capability. This helped EWI provide companies with contacts that can supply commercial solutions to their new product development challenges. By providing assistance in developing supply chain partnerships, EWI helped companies bring their technology to market faster and at a lower cost than they might have been able to do by themselves. Finally, at the most granular level EWI performed dedicated research and development on new manufacturing processes for advanced energy. During discussions with companies participating in advanced energy markets, several technology issues that cut across market segments were identified. To address some of these issues, three crosscutting technology development projects were initiated and completed with Center support. This included reversible welds for batteries and high temperature heat exchangers. It also included a novel advanced weld trainer that EWI

Kimberly Gibson; Mark Norfolk

2012-07-30T23:59:59.000Z

462

Solar and wind power advancing  

U.S. Energy Information Administration (EIA) Indexed Site

Solar and wind power advancing U.S. electricity generation from wind and solar energy show no signs of slowing down. In its new monthly forecast, the U.S. Energy Information...

463

APS Upgrade | Advanced Photon Source  

NLE Websites -- All DOE Office Websites (Extended Search)

Workshop on new science opportunities provided by a multi-bend achromat lattice at the APS October 21-22 Advanced Photon Source Argonne National Lab To prepare for the workshop...

464

NETL: Advanced Research - Reference Shelf  

NLE Websites -- All DOE Office Websites (Extended Search)

(December 2012) Advanced Research Sensors and Controls Project Portfolio PDF-22MB (May 2011) Coal and Power Systems Strategic Plan and Multi-Year Program Plan PDF-1.7MB (Jan...

465

Advancements in nuclear waste assay.  

E-Print Network (OSTI)

??The research described in this thesis is directed at advancing the state of the practice of the non-destructive gamma-ray assay of nuclear waste containers. A… (more)

Curtis, Deborah Claire

2008-01-01T23:59:59.000Z

466

DOE Patents Database - Advanced Search  

Office of Scientific and Technical Information (OSTI)

Advanced Search You may enter search criteria into one, or multiple fields. Use quotation marks for phrases. You may need to turn on Javascript in your browser to use this feature....

467

SERI advanced wind turbine blades  

DOE Green Energy (OSTI)

The primary goal of the Solar Energy Research Institute`s (SERI) advanced wind turbine blades is to convert the kinetic energy in the wind into mechanical energy in an inexpensive and efficient manner. To accomplish this goal, advanced wind turbine blades have been developed by SERI that utilize unique airfoil technology. Performance characteristics of the advanced blades were verified through atmospheric testing on fixed-pitch, stall-regulated horizontal-axis wind turbines (HAWTs). Of the various wind turbine configurations, the stall-regulated HAWT dominates the market because of its simplicity and low cost. Results of the atmospheric tests show that the SERI advanced blades produce 10% to 30% more energy than conventional blades. 6 refs.

Tangler, J.; Smith, B.; Jager, D.

1992-02-01T23:59:59.000Z

468

SERI advanced wind turbine blades  

DOE Green Energy (OSTI)

The primary goal of the Solar Energy Research Institute's (SERI) advanced wind turbine blades is to convert the kinetic energy in the wind into mechanical energy in an inexpensive and efficient manner. To accomplish this goal, advanced wind turbine blades have been developed by SERI that utilize unique airfoil technology. Performance characteristics of the advanced blades were verified through atmospheric testing on fixed-pitch, stall-regulated horizontal-axis wind turbines (HAWTs). Of the various wind turbine configurations, the stall-regulated HAWT dominates the market because of its simplicity and low cost. Results of the atmospheric tests show that the SERI advanced blades produce 10% to 30% more energy than conventional blades. 6 refs.

Tangler, J.; Smith, B.; Jager, D.

1992-02-01T23:59:59.000Z

469

Advanced research in solar-energy storage  

DOE Green Energy (OSTI)

The Solar Energy Storage Program at the Solar Energy Research Institute is reviewed. The program provides research, systems analyses, and economic assessments of thermal and thermochemical energy storage and transport. Current activities include experimental research into very high temperature (above 800/sup 0/C) thermal energy storage and assessment of novel thermochemical energy storage and transport systems. The applications for such high-temperature storage are thermochemical processes, solar thermal-electric power generation, cogeneration of heat and electricity, industrial process heat, and thermally regenerative electrochemical systems. The research results for five high-temperature thermal energy storage technologies and two thermochemical systems are described.

Luft, W.

1983-01-01T23:59:59.000Z

470

Advanced clean combustion technology in Shanxi province  

Science Conference Proceedings (OSTI)

Biomass energy resources in China are first described, along with biomass gasification R & D now underway. In Shanxi province biomass and other regenerative energy is relatively little used but coal resources are large. Hence Shanxi is mainly developing clean coal technology to meet its economic and environmental protection requirements. Clean combustion research at Taiyuan University of Technology includes cofiring of coal and RDF in FBC, gas purification and adsorption, fundamentals of plasma-aided coal pyrolysis and gasification and coal derived liquid fuels from synthesis gas. 5 refs.

Xie, K.-C. [Taiyuan University of Technology, Taiyuan (China)

2004-07-01T23:59:59.000Z

471

Advanced Integrated Traction System  

SciTech Connect

The United States Department of Energy elaborates the compelling need for a commercialized competitively priced electric traction drive system to proliferate the acceptance of HEVs, PHEVs, and FCVs in the market. The desired end result is a technically and commercially verified integrated ETS (Electric Traction System) product design that can be manufactured and distributed through a broad network of competitive suppliers to all auto manufacturers. The objectives of this FCVT program are to develop advanced technologies for an integrated ETS capable of 55kW peak power for 18 seconds and 30kW of continuous power. Additionally, to accommodate a variety of automotive platforms the ETS design should be scalable to 120kW peak power for 18 seconds and 65kW of continuous power. The ETS (exclusive of the DC/DC Converter) is to cost no more than $660 (55kW at $12/kW) to produce in quantities of 100,000 units per year, should have a total weight less than 46kg, and have a volume less than 16 liters. The cost target for the optional Bi-Directional DC/DC Converter is $375. The goal is to achieve these targets with the use of engine coolant at a nominal temperature of 105C. The system efficiency should exceed 90% at 20% of rated torque over 10% to 100% of maximum speed. The nominal operating system voltage is to be 325V, with consideration for higher voltages. This project investigated a wide range of technologies, including ETS topologies, components, and interconnects. Each technology and its validity for automotive use were verified and then these technologies were integrated into a high temperature ETS design that would support a wide variety of applications (fuel cell, hybrids, electrics, and plug-ins). This ETS met all the DOE 2010 objectives of cost, weight, volume and efficiency, and the specific power and power density 2015 objectives. Additionally a bi-directional converter was developed that provides charging and electric power take-off which is the first step towards enabling a smart-grid application. GM under this work assessed 29 technologies; investigated 36 configurations/types power electronics and electric machines, filed 41 invention disclosures; and ensured technology compatibility with vehicle production. Besides the development of a high temperature ETS the development of industrial suppliers took place because of this project. Suppliers of industrial power electronic components are numerous, but there are few that have traction drive knowledge. This makes it difficult to achieve component reliability, durability, and cost requirements necessary of high volume automotive production. The commercialization of electric traction systems for automotive industry requires a strong diverse supplier base. Developing this supplier base is dependent on a close working relationship between the OEM and supplier so that appropriate component requirements can be developed. GM has worked closely with suppliers to develop components for electric traction systems. Components that have been the focus of this project are power modules, capacitors, heavy copper boards, current sensors, and gate drive and controller chip sets. Working with suppliers, detailed component specifications have been developed. Current, voltage, and operation environment during the vehicle drive cycle were evaluated to develop higher resolution/accurate component specifications.

Greg Smith; Charles Gough

2011-08-31T23:59:59.000Z

472

ADVANCED CUTTINGS TRANSPORT STUDY  

Science Conference Proceedings (OSTI)

The Advanced Cuttings Transport Study (ACTS) was a 5-year JIP project undertaken at the University of Tulsa (TU). The project was sponsored by the U.S. Department of Energy (DOE) and JIP member companies. The objectives of the project were: (1) to develop and construct a new research facility that would allow three-phase (gas, liquid and cuttings) flow experiments under ambient and EPET (elevated pressure and temperature) conditions, and at different angle of inclinations and drill pipe rotation speeds; (2) to conduct experiments and develop a data base for the industry and academia; and (3) to develop mechanistic models for optimization of drilling hydraulics and cuttings transport. This project consisted of research studies, flow loop construction and instrumentation development. Following a one-year period for basic flow loop construction, a proposal was submitted by TU to the DOE for a five-year project that was organized in such a manner as to provide a logical progression of research experiments as well as additions to the basic flow loop. The flow loop additions and improvements included: (1) elevated temperature capability; (2) two-phase (gas and liquid, foam etc.) capability; (3) cuttings injection and removal system; (4) drill pipe rotation system; and (5) drilling section elevation system. In parallel with the flow loop construction, hydraulics and cuttings transport studies were preformed using drilling foams and aerated muds. In addition, hydraulics and rheology of synthetic drilling fluids were investigated. The studies were performed under ambient and EPET conditions. The effects of temperature and pressure on the hydraulics and cuttings transport were investigated. Mechanistic models were developed to predict frictional pressure loss and cuttings transport in horizontal and near-horizontal configurations. Model predictions were compared with the measured data. Predominantly, model predictions show satisfactory agreements with the measured data. As a part of this project, instrumentation was developed to monitor cuttings beds and characterize foams in the flow loop. An ultrasonic-based monitoring system was developed to measure cuttings bed thickness in the flow loop. Data acquisition software controls the system and processes the data. Two foam generating devices were designed and developed to produce foams with specified quality and texture. The devices are equipped with a bubble recognition system and an in-line viscometer to measure bubble size distribution and foam rheology, respectively. The 5-year project is completed. Future research activities will be under the umbrella of Tulsa University Drilling Research Projects. Currently the flow loop is being used for testing cuttings transport capacity of aqueous and polymer-based foams under elevated pressure and temperature conditions. Subsequently, the effect of viscous sweeps on cuttings transport under elevated pressure and temperature conditions will be investigated using the flow loop. Other projects will follow now that the ''steady state'' phase of the project has been achieved.

Stefan Miska; Troy Reed; Ergun Kuru

2004-09-30T23:59:59.000Z

473

Advanced Microturbine Systems  

SciTech Connect

In July 2000, the United Technologies Research Center (UTRC) was one of five recipients of a US Department of Energy contract under the Advanced Microturbine System (AMS) program managed by the Office of Distributed Energy (DE). The AMS program resulted from several government-industry workshops that recognized that microturbine systems could play an important role in improving customer choice and value for electrical power. That is, the group believed that electrical power could be delivered to customers more efficiently and reliably than the grid if an effective distributed energy strategy was followed. Further, the production of this distributed power would be accomplished with less undesirable pollutants of nitric oxides (NOx) unburned hydrocarbons (UHC), and carbon monoxide (CO). In 2000, the electrical grid delivered energy to US customers at a national average of approximately 32% efficiency. This value reflects a wide range of powerplants, but is dominated by older, coal burning stations that provide approximately 50% of US electrical power. The grid efficiency is also affected by transmission and distribution (T&D) line losses that can be significant during peak power usage. In some locations this loss is estimated to be 15%. Load pockets can also be so constrained that sufficient power cannot be transmitted without requiring the installation of new wires. New T&D can be very expensive and challenging as it is often required in populated regions that do not want above ground wires. While historically grid reliability has satisfied most customers, increasing electronic transactions and the computer-controlled processes of the 'digital economy' demand higher reliability. For them, power outages can be very costly because of transaction, work-in-progress, or perishable commodity losses. Powerplants that produce the grid electrical power emit significant levels of undesirable NOx, UHC, and CO pollutants. The level of emission is quoted as either a technology metric or a system-output metric. A common form for the technology metric is in the units of PPM {at} 15% O2. In this case the metric reflects the molar fraction of the pollutant in the powerplant exhaust when corrected to a standard exhaust condition as containing 15% (molar) oxygen, assuring that the PPM concentrations are not altered by subsequent air addition or dilution. Since fuel combustion consumes oxygen, the output oxygen reference is equivalent to a fuel input reference. Hence, this technology metric reflects the moles of pollutant per mole of fuel input, but not the useful output of the powerplant-i.e. the power. The system-output metric does embrace the useful output and is often termed an output-based metric. A common form for the output-based metric is in the units of lb/MWh. This is a system metric relating the pounds of pollutant to output energy (e.g., MWh) of the powerplant.

Rosfjord, T; Tredway, W; Chen, A; Mulugeta, J; Bhatia, T

2008-12-31T23:59:59.000Z

474

ADVANCED WORKER PROTECTION SYSTEM  

Science Conference Proceedings (OSTI)

From 1993 to 2000, OSS worked under a cost share contract from the Department of Energy (DOE) to develop an Advanced Worker Protection System (AWPS). The AWPS is a protective ensemble that provides the user with both breathing air and cooling for a NIOSH-rated duration of two hours. The ensemble consists of a liquid air based backpack, a Liquid Cooling Garment (LCG), and an outer protective garment. The AWPS project was divided into two phases. During Phase 1, OSS developed and tested a full-scale prototype AWPS. The testing showed that workers using the AWPS could work twice as long as workers using a standard SCBA. The testing also provided performance data on the AWPS in different environments that was used during Phase 2 to optimize the design. During Phase 1, OSS also performed a life-cycle cost analysis on a representative clean up effort. The analysis indicated that the AWPS could save the DOE millions of dollars on D and D activities and improve the health and safety of their workers. During Phase 2, OSS worked to optimize the AWPS design to increase system reliability, to improve system performance and comfort, and to reduce the backpack weight and manufacturing costs. To support this design effort, OSS developed and tested several different generations of prototype units. Two separate successful evaluations of the ensemble were performed by the International Union of Operation Engineers (IUOE). The results of these evaluations were used to drive the design. During Phase 2, OSS also pursued certifying the AWPS with the applicable government agencies. The initial intent during Phase 2 was to finalize the design and then to certify the system. OSS and Scott Health and Safety Products teamed to optimize the AWPS design and then certify the system with the National Institute of Occupational Health and Safety (NIOSH). Unfortunately, technical and programmatic difficulties prevented us from obtaining NIOSH certification. Despite the inability of NIOSH to certify the design, OSS was able to develop and successfully test, in both the lab and in the field, a prototype AWPS. They clearly demonstrated that a system which provides cooling can significantly increase worker productivity by extending the time they can function in a protective garment. They were also able to develop mature outer garment and LCG designs that provide considerable benefits over current protective equipment, such as self donning and doffing, better visibility, and machine washable. A thorough discussion of the activities performed during Phase 1 and Phase 2 is presented in the AWPS Final Report. The report also describes the current system design, outlines the steps needed to certify the AWPS, discusses the technical and programmatic issues that prevented the system from being certified, and presents conclusions and recommendations based upon the seven year effort.

Judson Hedgehock

2001-03-16T23:59:59.000Z

475

Advanced Distillation Final Report  

Science Conference Proceedings (OSTI)

The Advanced Distillation project was concluded on December 31, 2009. This U.S. Department of Energy (DOE) funded project was completed successfully and within budget during a timeline approved by DOE project managers, which included a one year extension to the initial ending date. The subject technology, Microchannel Process Technology (MPT) distillation, was expected to provide both capital and operating cost savings compared to conventional distillation technology. With efforts from Velocys and its project partners, MPT distillation was successfully demonstrated at a laboratory scale and its energy savings potential was calculated. While many objectives established at the beginning of the project were met, the project was only partially successful. At the conclusion, it appears that MPT distillation is not a good fit for the targeted separation of ethane and ethylene in large-scale ethylene production facilities, as greater advantages were seen for smaller scale distillations. Early in the project, work involved flowsheet analyses to discern the economic viability of ethane-ethylene MPT distillation and develop strategies for maximizing its impact on the economics of the process. This study confirmed that through modification to standard operating processes, MPT can enable net energy savings in excess of 20%. This advantage was used by ABB Lumus to determine the potential impact of MPT distillation on the ethane-ethylene market. The study indicated that a substantial market exists if the energy saving could be realized and if installed capital cost of MPT distillation was on par or less than conventional technology. Unfortunately, it was determined that the large number of MPT distillation units needed to perform ethane-ethylene separation for world-scale ethylene facilities, makes the targeted separation a poor fit for the technology in this application at the current state of manufacturing costs. Over the course of the project, distillation experiments were performed with the targeted mixture, ethane-ethylene, as well as with analogous low relative volatility systems: cyclohexane-hexane and cyclopentane-pentane. Devices and test stands were specifically designed for these efforts. Development progressed from experiments and models considering sections of a full scale device to the design, fabrication, and operation of a single-channel distillation unit with integrated heat transfer. Throughout the project, analytical and numerical models and Computational Fluid Dynamics (CFD) simulations were validated with experiments in the process of developing this platform technology. Experimental trials demonstrated steady and controllable distillation for a variety of process conditions. Values of Height-to-an-Equivalent Theoretical Plate (HETP) ranging from less than 0.5 inch to a few inches were experimentally proven, demonstrating a ten-fold performance enhancement relative to conventional distillation. This improvement, while substantial, is not sufficient for MPT distillation to displace very large scale distillation trains. Fortunately, parallel efforts in the area of business development have yielded other applications for MPT distillation, including smaller scale separations that benefit from the flowsheet flexibility offered by the technology. Talks with multiple potential partners are underway. Their outcome will also help determine the path ahead for MPT distillation.

Maddalena Fanelli; Ravi Arora; Annalee Tonkovich; Jennifer Marco; Ed Rode

2010-03-24T23:59:59.000Z

476

RFI Comments - Advanced Cyber Security Center  

Science Conference Proceedings (OSTI)

Page 1. Page 1 of 3 Advanced Cyber Security Center Rollout ... The Need The advanced cyber threat is real and growing. ...

2013-04-09T23:59:59.000Z

477

Independent Oversight Review, Advanced Mixed Waste Treatment...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Review, Advanced Mixed Waste Treatment Project - April 2013 Independent Oversight Review, Advanced Mixed Waste Treatment Project - April 2013 April 2013 Review of Radiation...

478

Building Technologies Office: Advanced Energy Retrofit Guides  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Energy Retrofit Guides to someone by E-mail Share Building Technologies Office: Advanced Energy Retrofit Guides on Facebook Tweet about Building Technologies Office: Advanced Energy Retrofit Guides on Twitter Bookmark Building Technologies Office: Advanced Energy Retrofit Guides on Google Bookmark Building Technologies Office: Advanced Energy Retrofit Guides on Delicious Rank Building Technologies Office: Advanced Energy Retrofit Guides on Digg Find More places to share Building Technologies Office: Advanced Energy Retrofit Guides on AddThis.com... About Take Action to Save Energy Activities 179d Tax Calculator Advanced Energy Design Guides Advanced Energy Retrofit Guides Building Energy Data Exchange Specification Buildings Performance Database Data Centers Energy Asset Score

479

Advanced Vehicle Testing Activity: Urban Electric Vehicles  

NLE Websites -- All DOE Office Websites (Extended Search)

Urban Electric Vehicles to someone by E-mail Share Advanced Vehicle Testing Activity: Urban Electric Vehicles on Facebook Tweet about Advanced Vehicle Testing Activity: Urban...

480

Advanced Vehicle Testing Activity: Neighborhood Electric Vehicle...  

NLE Websites -- All DOE Office Websites (Extended Search)

Procedures to someone by E-mail Share Advanced Vehicle Testing Activity: Neighborhood Electric Vehicle Specifications and Test Procedures on Facebook Tweet about Advanced Vehicle...

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they are not comprehensive nor are they the most current set.
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to obtain the most current and comprehensive results.


481

Advanced Vehicle Testing Activity: Hybrid Electric Vehicles  

NLE Websites -- All DOE Office Websites (Extended Search)

Hybrid Electric Vehicles to someone by E-mail Share Advanced Vehicle Testing Activity: Hybrid Electric Vehicles on Facebook Tweet about Advanced Vehicle Testing Activity: Hybrid...

482

Advanced Coal Wind Hybrid: Economic Analysis  

E-Print Network (OSTI)

of Figures Figure ES-1. Advanced Coal Wind Hybrid: Basicviii Figure 1. Advanced-Coal Wind Hybrid: Basic29 Figure 9. Sensitivity to Coal

Phadke, Amol

2008-01-01T23:59:59.000Z

483

Ohio Advanced Energy | Open Energy Information  

Open Energy Info (EERE)

Advanced Energy Jump to: navigation, search Name Ohio Advanced Energy Address 100 S. Third Street Place Columbus, Ohio Zip 43201 Website http:www.ohioadvancedenergy. References...

484

Advanced Coal Wind Hybrid: Economic Analysis  

E-Print Network (OSTI)

of Figures Figure ES-1. Advanced Coal Wind Hybrid: Basicviii Figure 1. Advanced-Coal Wind Hybrid: Basic21 Figure 6. Comparison of ACWH and CCGT-Wind

Phadke, Amol

2008-01-01T23:59:59.000Z

485

University Program in Advanced Technology | National Nuclear...  

National Nuclear Security Administration (NNSA)

& Technology Programs > Office of Advanced Simulation and Computing and Institutional R&D Programs > Institutional Research & Development > University Program in Advanced...

486

Advanced Vehicle Testing Activity: Other Internal Combustion...  

NLE Websites -- All DOE Office Websites (Extended Search)

Other Internal Combustion Engine Vehicles to someone by E-mail Share Advanced Vehicle Testing Activity: Other Internal Combustion Engine Vehicles on Facebook Tweet about Advanced...

487

Advanced Vehicle Testing Activity: Hydrogen Internal Combustion...  

NLE Websites -- All DOE Office Websites (Extended Search)

to someone by E-mail Share Advanced Vehicle Testing Activity: Hydrogen Internal Combustion Engine Vehicle Basics on Facebook Tweet about Advanced Vehicle Testing Activity:...

488

Advanced Computational Methods for Turbulence and Combustion...  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Computational Methods for Turbulence and Combustion Advanced Computational Methods for Turbulence and Combustion Bell.png Key Challenges: Development and application of...

489

Advanced Vehicle Testing Activity: Hydrogen Internal Combustion...  

NLE Websites -- All DOE Office Websites (Extended Search)

to someone by E-mail Share Advanced Vehicle Testing Activity: Hydrogen Internal Combustion Engine Vehicle Specifications and Test Procedures on Facebook Tweet about Advanced...

490

Advanced Vehicle Testing Activity: Neighborhood Electric Vehicle...  

NLE Websites -- All DOE Office Websites (Extended Search)

Projects to someone by E-mail Share Advanced Vehicle Testing Activity: Neighborhood Electric Vehicle Special Projects on Facebook Tweet about Advanced Vehicle Testing...

491

Advanced Vehicle Testing Activity: Neighborhood Electric Vehicles  

NLE Websites -- All DOE Office Websites (Extended Search)

Neighborhood Electric Vehicles to someone by E-mail Share Advanced Vehicle Testing Activity: Neighborhood Electric Vehicles on Facebook Tweet about Advanced Vehicle Testing...

492

Distributed Sensor Coordination for Advanced Energy Systems  

NLE Websites -- All DOE Office Websites (Extended Search)

Distributed Sensor Coordination for Advanced Energy Systems Background As advanced energy systems grow in size, they require an increasing number of pressure, temperature, and...

493

Carbonaceous Aerosol Study Using Advanced Particle Instrumentation  

E-Print Network (OSTI)

Advanced Particle Instrumentation A Dissertation submittedUsing Advanced Particle Instrumentation by Li Qi Doctor ofinto the online instrumentation. In brief, an isokinetic

Qi, Li

2010-01-01T23:59:59.000Z

494

Advanced Vehicle Testing Activity: Energy Storage Testing  

NLE Websites -- All DOE Office Websites (Extended Search)

Energy Storage Testing to someone by E-mail Share Advanced Vehicle Testing Activity: Energy Storage Testing on Facebook Tweet about Advanced Vehicle Testing Activity: Energy...

495

Idaho National Laboratory Advanced Test Reactor Probabilistic...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Idaho National Laboratory Advanced Test Reactor Probabilistic Risk Assessment Idaho National Laboratory Advanced Test Reactor Probabilistic Risk Assessment September 19, 2012...

496

Advanced Reactor Development and Technology - Nuclear Engineering...  

NLE Websites -- All DOE Office Websites (Extended Search)

Capabilities Nuclear Systems Modeling and Design Analysis Reactor Physics and Fuel Cycle Analysis Nuclear Data Program Advanced Reactor Development Overview Advanced Fast Reactor...

497

Advanced Coal Wind Hybrid: Economic Analysis  

NLE Websites -- All DOE Office Websites (Extended Search)

Advanced Coal Wind Hybrid: Economic Analysis Title Advanced Coal Wind Hybrid: Economic Analysis Publication Type Report Year of Publication 2008 Authors Phadke, Amol, Charles A....

498

Energy Basics: Alternative and Advanced Fuels  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

There are a variety of alternative and advanced fuels available, which are used to fuel alternative and advanced vehicles. Learn more about: Electricity Hydrogen Natural Gas...

499

Collaboration to advance high-performance computing  

NLE Websites -- All DOE Office Websites (Extended Search)

Collaboration to advance high-performance computing Collaboration to advance high-performance computing LANL and EMC will enhance, design, build, test, and deploy new cutting-edge...

500

Advanced Reactor Research and Development Funding Opportunity...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Advanced Reactor Research and Development Funding Opportunity Announcement Advanced Reactor Research and Development Funding Opportunity Announcement The U.S. Department of Energy...