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Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Preserving Diesel Exhaust Ultrafine (Nano-) Particulate Structure...  

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

Preserving Diesel Exhaust Ultrafine (Nano-) Particulate Structure in Genotoxicity Studies to Support Engineering Development of Emission Controls Preserving Diesel Exhaust...

2

Educating Consumers: New Content on Diesel Vehicles, Diesel Exhaust...  

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

Educating Consumers: New Content on Diesel Vehicles, Diesel Exhaust Fluid, and Selective Catalytic Reduction Technologies on the AFDC Educating Consumers: New Content on Diesel...

3

Update on Diesel Exhaust Emission Control Technology and Regulations...  

Broader source: Energy.gov (indexed) [DOE]

Update on Diesel Exhaust Emission Control Technology and Regulations Update on Diesel Exhaust Emission Control Technology and Regulations 2004 Diesel Engine Emissions Reduction...

4

The Impact of Oil Consumption Mechanisms on Diesel Exhaust Particle...  

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

Oil Consumption Mechanisms on Diesel Exhaust Particle Size Distributions and Detailed Exhaust Chemical Composition The Impact of Oil Consumption Mechanisms on Diesel Exhaust...

5

Effects of Diesel Exhaust Emissions on Soot Oxidation and DPF...  

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

Diesel Exhaust Emissions on Soot Oxidation and DPF Regeneration Effects of Diesel Exhaust Emissions on Soot Oxidation and DPF Regeneration DPF regeneration experiments verified the...

6

Modeling of Diesel Exhaust Systems: A methodology to better simulate...  

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

of Diesel Exhaust Systems: A methodology to better simulate soot reactivity Modeling of Diesel Exhaust Systems: A methodology to better simulate soot reactivity Discussed...

7

In Vitro Genotoxicity of Gasoline and Diesel Engine Vehicle Exhaust...  

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

Gasoline and Diesel Engine Vehicle Exhaust Particulate and Semi-Volatile Organic Compound Materials In Vitro Genotoxicity of Gasoline and Diesel Engine Vehicle Exhaust Particulate...

8

An Accelerated Aging Method for Diesel Exhaust Aftertreatment...  

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

for Diesel Aftertreatment Devices Impact of Fuel Metal Impurities on Diesel Exhaust Catalysts Rapid Aging Protocols for Diesel Aftertreatment Devices: NOx Abatement Catalysts...

9

Partitioning of Volatile Organics in Diesel Particulate and Exhaust...  

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

and Exhaust Partitioning of Volatile Organics in Diesel Particulate and Exhaust Evaluation of how sampling details affect the measurement of volatile organic compounds in...

10

Diesel exhaust particulate increases the size and complexity of lesions in atherosclerotic mice  

E-Print Network [OSTI]

McDonald JD: Inhaled diesel emissions alter atheroscleroticinduced by inhalation of diesel exhaust. AtherosclerosisA, Sandstrom T, Newby DE: Diesel exhaust inhalation causes

2013-01-01T23:59:59.000Z

11

Microwave-Regenerated Diesel Exhaust Particulate Filter  

SciTech Connect (OSTI)

Development of a microwave-regenerated particulate filter system has evolved from bench scale work to actual diesel engine experimentation. The filter system was initially evaluated on a stationary mounted 1.2-L diesel engine and was able to remove a significant amount of carbon particles from the exhaust. The ability of the microwave energy to regenerate or clean the filter was also demonstrated on this engine under idle conditions. Based on the 1.2-L experiments, improvements to the filter design and materials were implemented and the system was re-evaluated on a vehicle equipped with a 7.3-L diesel engine. The 7.3-L engine was selected to achieve heavy filter loading in a relatively short period of time. The purpose of these experiments was to evaluate filter-loading capacity, power requirements for regeneration, and filter regeneration efficiency. A more detailed evaluation of the filter was performed on a stationary mounted 1.9-L diesel engine. The effect of exhaust flow rate, loading, transients, and regeneration on filter efficiency was evaluated with this setup. In addition, gaseous exhaust emissions were investigated with and without an oxidation catalyst on the filter cartridge during loading and regeneration. (SAE Paper SAE-2001-01-0903 © 2001 SAE International. This paper is published on this website with permission from SAE International. As a user of this website, you are permitted to view this paper on-line, download this pdf file and print one copy of this paper at no cost for your use only. The downloaded pdf file and printout of this SAE paper may not be copied, distributed or forwarded to others or for the use of others.)

Nixdorf, Richard D. (Industrial Ceramic Solution, LLC); Green, Johney Boyd; Story, John M.; Wagner, Robert M. (Oak Ridge National Laboratory)

2001-03-05T23:59:59.000Z

12

System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After-treatment Technologies  

E-Print Network [OSTI]

System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After;System Modeling, Analysis, and Optimization Methodology for Diesel Exhaust After-treatment Technologies Developing new aftertreatment technologies to meet emission regulations for diesel engines is a growing

de Weck, Olivier L.

13

Educating Consumers: New Content on Diesel Vehicles, Diesel Exhaust Fluid, and Selective Catalytic Reduction Technologies on the AFDC (Presentation)  

SciTech Connect (OSTI)

Presentation covers new content available on the Alternative Fuels and Advanced Vehicle Data Center regarding diesel vehicles, diesel exhaust fluid, and selective catalytic reduction technologies.

Brodt-Giles, D.

2008-08-05T23:59:59.000Z

14

Capture of Heat Energy from Diesel Engine Exhaust  

SciTech Connect (OSTI)

Diesel generators produce waste heat as well as electrical power. About one-third of the fuel energy is released from the exhaust manifolds of the diesel engines and normally is not captured for useful applications. This project studied different waste heat applications that may effectively use the heat released from exhaust of Alaskan village diesel generators, selected the most desirable application, designed and fabricated a prototype for performance measurements, and evaluated the feasibility and economic impact of the selected application. Exhaust flow rate, composition, and temperature may affect the heat recovery system design and the amount of heat that is recoverable. In comparison with the other two parameters, the effect of exhaust composition may be less important due to the large air/fuel ratio for diesel engines. This project also compared heat content and qualities (i.e., temperatures) of exhaust for three types of fuel: conventional diesel, a synthetic diesel, and conventional diesel with a small amount of hydrogen. Another task of this project was the development of a computer-aided design tool for the economic analysis of selected exhaust heat recovery applications to any Alaskan village diesel generator set. The exhaust heat recovery application selected from this study was for heating. An exhaust heat recovery system was fabricated, and 350 hours of testing was conducted. Based on testing data, the exhaust heat recovery heating system showed insignificant effects on engine performance and maintenance requirements. From measurements, it was determined that the amount of heat recovered from the system was about 50% of the heat energy contained in the exhaust (heat contained in exhaust was evaluated based on environment temperature). The estimated payback time for 100% use of recovered heat would be less than 3 years at a fuel price of $3.50 per gallon, an interest rate of 10%, and an engine operation of 8 hours per day. Based on experimental data, the synthetic fuel contained slightly less heat energy and fewer emissions. Test results obtained from adding different levels of a small amount of hydrogen into the intake manifold of a diesel-operated engine showed no effect on exhaust heat content. In other words, both synthetic fuel and conventional diesel with a small amount of hydrogen may not have a significant enough effect on the amount of recoverable heat and its feasibility. An economic analysis computer program was developed on Visual Basic for Application in Microsoft Excel. The program was developed to be user friendly, to accept different levels of input data, and to expand for other heat recovery applications (i.e., power, desalination, etc.) by adding into the program the simulation subroutines of the desired applications. The developed program has been validated using experimental data.

Chuen-Sen Lin

2008-12-31T23:59:59.000Z

15

Evaluation of SCR and DOC/CPF Tech in Diesel Exhaust Emission...  

Broader source: Energy.gov (indexed) [DOE]

Evaluation of SCR and DOCCPF Tech in Diesel Exhaust Emission Control to Meet U.S. Tier 2 Bin 5 Evaluation of SCR and DOCCPF Tech in Diesel Exhaust Emission Control to Meet U.S....

16

Evaluation of SCR and DOC/CPF Tech in Diesel Exhaust Emission...  

Broader source: Energy.gov (indexed) [DOE]

SCR and DOCCPF Tech in Diesel Evaluation of SCR and DOCCPF Tech in Diesel Exhaust Emission Control to Meet U.S. Tier 2 Bin 5 Exhaust Emission Control to Meet U.S. Tier 2 Bin 5...

17

Diesel emission reduction using internal exhaust gas recirculation  

DOE Patents [OSTI]

A method for controlling combustion in a direct-injection diesel engine includes monitoring a crankshaft rotational position of a cylinder of the engine, monitoring an engine load, determining an intake stroke within the cylinder based upon the crankshaft rotational position, and when the engine load is less than a threshold engine load, opening an exhaust valve for the cylinder during a portion of the intake stroke.

He, Xin (Denver, CO); Durrett, Russell P. (Bloomfield Hills, MI)

2012-01-24T23:59:59.000Z

18

Interaction between soot particles and NOx during dielectric barrier discharge plasma remediation of simulated diesel exhaust  

E-Print Network [OSTI]

of simulated diesel exhaust Rajesh Doraia) University of Illinois, Department of Chemical Engineering, 1406 from combustion effluent and from diesel exhausts in particular. Soot particles are inevitably present, a computational investigation of the effect of soot on the plasma chemistry of NOx removal in a simulated diesel

Kushner, Mark

19

Adaptive Air Charge Estimation for Turbocharged Diesel Engines without Exhaust Gas Recirculation  

E-Print Network [OSTI]

Adaptive Air Charge Estimation for Turbocharged Diesel Engines without Exhaust Gas Recirculation an adaptive observer for in-cylinder air charge estimation for turbocharged diesel engines without exhaust gas (734) 764-4256 1 #12;Storset et al.- Adaptive Air Charge Est. for TC Diesel Engines 2 1 Introduction

Stefanopoulou, Anna

20

Comparative Study on Exhaust Emissions from Diesel- and CNG-Powered...  

Broader source: Energy.gov (indexed) [DOE]

Outlines of the presentation 18 Green House Gas Emissions Production Compression Refinery CH4 GWP25 CO2 Exhaust 19 ADEME Program Program Evaluations on Diesel & CNG Buses...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Reduction of NOx in Synthetic Diesel Exhaust via Two-Step Plasma...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Citation: Tonkyn RG, SE Barlow, and J Hoard.2003."Reduction of NOx in Synthetic Diesel Exhaust via Two-Step Plasma-Catalysis Treatment."Applied Catalysis. B,...

22

Variability in Bioreactivity Linked to Changes in Size and Zeta Potential of Diesel Exhaust Particles in Human  

E-Print Network [OSTI]

Variability in Bioreactivity Linked to Changes in Size and Zeta Potential of Diesel Exhaust) nanoparticles have been used in Europe as diesel fuel additives (EnviroxTM ). We attempted to examine the effects of particles emitted from a diesel engine burning either diesel (diesel exhaust particles, DEP

Garfunkel, Eric

23

Characterisation of lightly oxidised organic aerosol formed from the photochemical aging of diesel exhaust particles  

E-Print Network [OSTI]

The oxidative aging of the semivolatile fraction of diesel exhaust aerosol is studied in order to better understand the influence of oxidation reactions on particle chemical composition. Exhaust is sampled from an idling ...

Kroll, Jesse

24

Respiratory effects of diesel exhaust in salt miners  

SciTech Connect (OSTI)

The respiratory health of 259 white males working at 5 salt (NaCl) mines was assessed by questionnaire, chest radiographs, and air and He-O/sup 2/ spirometry. Response variables were symptoms, pneumoconiosis, and spirometry. Predictor variables included age, height, smoking, mine, and tenure in diesel-exposed jobs. The purpose was to assess the association of response measures of respiratory health with exposure to diesel exhaust. There were only 2 cases of Grade 1 pneumoconiosis, so no further analysis was done. Comparisons within the study population showed a statistically significant dose-related association of phlegm and diesel exposure. There was a nonsignificant trend for cough and dyspnea, and no association with spirometry. Age- and smoking-adjusted rates of cough, phlegm, and dyspnea were 145, 159, and 93% of an external comparison population. Percent predicted flow rates showed statistically significant reductions, but the reductions were small and there were no dose-response relations. Percent predicted FEV1 and FVC were about 96% of predicted.

Gamble, J.F.; Jones, W.G.

1983-09-01T23:59:59.000Z

25

automotive diesel exhaust: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

with diesel. Main focus of this research is to investigate the performance of diesel engine by injecting hydrogen peroxide as blends with diesel at 2%, 5% and 10 %...

26

Lubricant oil consumption effects on diesel exhaust ash emissions using a sulfur dioxide trace technique and thermogravimetry  

E-Print Network [OSTI]

A detailed experimental study was conducted targeting lubricant consumption effects on ,diesel exhaust ash levels using a model year 2002 5.9L diesel engine, high and low Sulfur commercial lubricants, and clean diesel ...

Plumley, Michael J

2005-01-01T23:59:59.000Z

27

Exhaust gas fuel reforming of Diesel fuel by non-thermal arc discharge for NOx trap regeneration  

E-Print Network [OSTI]

1 Exhaust gas fuel reforming of Diesel fuel by non- thermal arc discharge for NOx trap regeneration to the reforming of Diesel fuel with Diesel engine exhaust gas using a non-thermal plasma torch for NOx trap Diesel fuel reforming with hal-00617141,version1-17May2013 Author manuscript, published in "Energy

Boyer, Edmond

28

Update on Diesel Exhaust Emission Control Technology and Regulations  

Broader source: Energy.gov (indexed) [DOE]

Control Technology and Regulations Tim Johnson August 2004 2 Diesel emission control technology is making significant progress * Diesel regulations are getting tighter in all...

29

Unique Catalyst System for NOx Reduction in Diesel Exhaust  

Broader source: Energy.gov (indexed) [DOE]

* Development Partnership: AEI & Noxtech * Presenter: Ralph Slone from Noxtech * Mobile Applications: diesel aftertreatment * Unique dual catalyst system - Cost effective:...

30

Interpretation of Secondary Organic Aerosol Formation from Diesel Exhaust Photooxidation in an Environmental Chamber  

SciTech Connect (OSTI)

Secondary organic aerosol (SOA) formation from diesel exhaust in a smog chamber was investigated. Particle volume measurement based on mobility diameter is shown to underestimate SOA formation from diesel exhaust due to the external void space of agglomerate particles, in which case mass-based measurement technique is necessary. Rapid determination of particle effective density as a function of particle mass was performed by an Aerosol Particle Mass analyzer – Scanning Mobility Particle Sizer (APM-SMPS) to obtain particle mass concentration and fractal dimension. Continuous aging of aerosol was observed in terms of atomic ratio (O/C), from 0.05 to 0.25 in 12 hours, underscoring the importance of multi-generational oxidation of low-volatile organic vapors emitted from diesel engine as the significant source of oxygenated SOA. Experimental conditions possibly have strong impacts on physical evolution of diesel particulates in a smog chamber. Higher particle effective densities were observed when raw exhaust was injected into a full bag as opposed to filling a bag with diluted exhaust using an ejector diluter. When longer transfer line was used for injecting diesel exhaust into the smog chamber, rapid particle coagulation was observed, leading to increasing particle volume concentration in dark while its mass concentration is decreasing.

Nakao, Shunsuke; Shrivastava, ManishKumar B.; Nguyen, Anh; Jung, Hee-Jung; Cocker, David R.

2011-04-14T23:59:59.000Z

31

administered diesel exhaust: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Injection Diesel Engine Using Pongamia Oil CiteSeer Summary: Abstract The use of biodiesel, the methyl esters of vegetable oils are becoming popular due to their low...

32

A WEAR MODEL FOR DIESEL ENGINE EXHAUST VALVES  

SciTech Connect (OSTI)

The work summarized here comprises the concluding effort of a multi-year project, funded by the U.S. Department of Energy, Office of Vehicle Technologies. It supports the development of a better understanding of advanced diesel engine designs in which enhanced power density, energy efficiency, and emissions control place increasing demands upon the durability of engine materials. Many kinds of metallic alloys are used in engines depending on the operating stresses, temperatures, and chemical environments. Exhaust valves, for example, are subjected to high temperatures and repetitive surface contacts that place demands on durability and frictional characteristics of the materials. Valves must continue to seal the combustion chamber properly for thousands of hours of cyclic engine operation and under varying operating conditions. It was the focus of this effort to understand the wear processes in the valve-seat area and to develop a model for the surface deformation and wear of that important interface. An annotated bibliography is provided to illustrate efforts to understand valve wear and to investigate the factors of engine operation that affect its severity and physical manifestation. The project for which this modeling effort was the final task, involved construction of a high-temperature repetitive impact test system as well as basic tribology studies of the combined processes of mechanical wear plus oxidation at elevated temperatures. Several publications resulted from this work, and are cited in this report. The materials selected for the experimental work were high-performance alloys based on nickel and cobalt. In some cases, engine-tested exhaust valves were made available for wear analysis and to ensure that the modes of surface damage produced in experiments were simulative of service. New, production-grade exhaust valves were also used to prepare test specimens for experimental work along with the other alloy samples. Wear analysis of valves and seats run for hundreds of hours in heavy-duty diesels provided insights into the kinds of complexity that the contact conditions in engines can produce, and suggested the physical basis for the current approach to modeling. The model presented here involves four terms, two representing the valve response and two for its mating seat material. The model's structure assumes that wear that takes place under a complex combination of plastic deformation, tangential shear, and oxidation. Tribolayers form, are removed, and may reform. Layer formation affects the friction forces in the interface, and in turn, the energy available to do work on the materials to cause wear. To provide friction data for the model at various temperatures, sliding contact experiments were conducted from 22 to 850 C in a pin-on-disk apparatus at ORNL. In order to account for the behavior of different materials and engine designs, parameters in all four terms of the model can be adjusted to account for wear-in and incubation periods before the dominant wear processes evolve to their steady-state rates. For example, the deformation rate is assumed to be maximum during the early stages of operation, and then, due to material work-hardening and the increase in nominal contact area (which reduces the load per unit area), decreases to a lower rate at long times. Conversely, the rate of abrasion increases with time or number of cycles due to the build-up of oxides and tribo-layers between contact surfaces. The competition between deformation and abrasion results in complex, non-linear behavior of material loss per cycle of operation. Furthermore, these factors are affected by valve design features, such as the angle of incline of the valve seat. Several modeling scenarios are presented to demonstrate how the wear profile versus number of cycles changes in response to: (a) different relative abrasion rates of the seat and valve materials, (b) the friction coefficient as a function of temperature, (c) the relative deformation contribution of valve and seat materials, and (d) an interruption in the dominant we

Blau, Peter Julian [ORNL

2009-11-01T23:59:59.000Z

33

HEALTH EFFECTS OF DIESEL EXHAUST: AN HEI PERSPECTIVE  

SciTech Connect (OSTI)

Diesel engines have many advantages, including good fuel economy, power, durability, lower emissions of some pollutants (such as carbon monoxide) and of carbon dioxide (a greenhouse gas). However, there are a number of concerns that need to be addressed: (1) emissions of nitrogen oxides (which contribute to ozone formation) and of particulate matter (PM); (2) questions about cancer and other health effects from exposure to diesel PM; and (3) as efforts to decrease emissions progress, a need to understand whether the nature and toxicity of the PM emitted has changed. This paper focuses on (1) carcinogenicity data, (2) noncancer effects, and (3) diesel as part of the complex ambient mixture of PM.

Warren, Jane

2000-08-20T23:59:59.000Z

34

KONG, JIAN. Infrared-Based Temperature Measurement in Ceramics Grinding and Diesel Exhaust Aftertreatment Filters. (Under the direction of Albert J. Shih)  

E-Print Network [OSTI]

ABSTRACT KONG, JIAN. Infrared-Based Temperature Measurement in Ceramics Grinding and Diesel Exhaust was used in the applications of temperature measurement in ceramics grinding and diesel exhaust of the temperature distribution on the cavity wall surface in diesel exhaust aftertreatment filters using

Shih, Albert J.

35

Control method for turbocharged diesel engines having exhaust gas recirculation  

DOE Patents [OSTI]

A method of controlling the airflow into a compression ignition engine having an EGR and a VGT. The control strategy includes the steps of generating desired EGR and VGT turbine mass flow rates as a function of the desired and measured compressor mass airflow values and exhaust manifold pressure values. The desired compressor mass airflow and exhaust manifold pressure values are generated as a function of the operator-requested fueling rate and engine speed. The EGR and VGT turbine mass flow rates are then inverted to corresponding EGR and VGT actuator positions to achieve the desired compressor mass airflow rate and exhaust manifold pressure. The control strategy also includes a method of estimating the intake manifold pressure used in generating the EGR valve and VGT turbine positions.

Kolmanovsky, Ilya V. (Ypsilanti, MI); Jankovic, Mrdjan J (Birmingham, MI); Jankovic, Miroslava (Birmingham, MI)

2000-03-14T23:59:59.000Z

36

Diesel exhaust induced pulmonary and cardiovascular impairment: The role of hypertension intervention  

SciTech Connect (OSTI)

Exposure to diesel exhaust (DE) and associated gases is linked to cardiovascular impairments; however, the susceptibility of hypertensive individuals is poorly understood. The objectives of this study were (1) to determine cardiopulmonary effects of gas-phase versus whole-DE and (2) to examine the contribution of systemic hypertension in pulmonary and cardiovascular effects. Male Wistar Kyoto (WKY) rats were treated with hydralazine to reduce blood pressure (BP) or L-NAME to increase BP. Spontaneously hypertensive (SH) rats were treated with hydralazine to reduce BP. Control and drug-pretreated rats were exposed to air, particle-filtered exhaust (gas), or whole DE (1500 ?g/m{sup 3}), 4 h/day for 2 days or 5 days/week for 4 weeks. Acute and 4-week gas and DE exposures increased neutrophils and ?-glutamyl transferase (?-GT) activity in lavage fluid of WKY and SH rats. DE (4 weeks) caused pulmonary albumin leakage and inflammation in SH rats. Two-day DE increased serum fatty acid binding protein-3 (FABP-3) in WKY. Marked increases occurred in aortic mRNA after 4-week DE in SH (eNOS, TF, tPA, TNF-?, MMP-2, RAGE, and HMGB-1). Hydralazine decreased BP in SH while L-NAME tended to increase BP in WKY; however, neither changed inflammation nor BALF ?-GT. DE-induced and baseline BALF albumin leakage was reduced by hydralazine in SH rats and increased by L-NAME in WKY rats. Hydralazine pretreatment reversed DE-induced TF, tPA, TNF-?, and MMP-2 expression but not eNOS, RAGE, and HMGB-1. ET-1 was decreased by HYD. In conclusion, antihypertensive drug treatment reduces gas and DE-induced pulmonary protein leakage and expression of vascular atherogenic markers. - Highlights: ? Acute diesel exhaust exposure induces pulmonary inflammation in healthy rats. ? In hypertensive rats diesel exhaust effects are seen only after long term exposure. ? Normalizing blood pressure reverses lung protein leakage caused by diesel exhaust. ? Normalizing blood pressure reverses atherogenic effects of diesel exhaust. ? Diesel exhaust and hydralazine cause similar aorta effect on vascular tone markers.

Kodavanti, Urmila P., E-mail: kodavanti.urmila@epa.gov [Environmental Public Health Division, National Health and Environmental Effects Research Laboratory (NHEERL), Office of Research and Development (ORD), U.S. Environmental Protection Agency - EPA, Research Triangle Park, NC 27711 (United States); Thomas, Ronald F.; Ledbetter, Allen D.; Schladweiler, Mette C.; Bass, Virginia; Krantz, Q. Todd; King, Charly [Environmental Public Health Division, National Health and Environmental Effects Research Laboratory (NHEERL), Office of Research and Development (ORD), U.S. Environmental Protection Agency - EPA, Research Triangle Park, NC 27711 (United States); Nyska, Abraham [Tel Aviv University, Tel Aviv (Israel); Richards, Judy E. [Environmental Public Health Division, National Health and Environmental Effects Research Laboratory (NHEERL), Office of Research and Development (ORD), U.S. Environmental Protection Agency - EPA, Research Triangle Park, NC 27711 (United States); Andrews, Debora [Research Core Unit, NHEERL, ORD, U.S. EPA, Research Triangle Park, NC 27711 (United States); Gilmour, M. Ian [Environmental Public Health Division, National Health and Environmental Effects Research Laboratory (NHEERL), Office of Research and Development (ORD), U.S. Environmental Protection Agency - EPA, Research Triangle Park, NC 27711 (United States)

2013-04-15T23:59:59.000Z

37

Progress in Understanding the Toxicity of Gasoline and Diesel Engine Exhaust Emissions  

SciTech Connect (OSTI)

To help guide heavy vehicle engine, fuel, and exhaust after-treatment technology development, the U.S. Department of Energy and the Lovelace Respiratory Research Institute are conducting research not addressed elsewhere on aspects of the toxicity of particulate engine emissions. Advances in these technologies that reduce diesel particulate mass emissions may result in changes in particle composition, and there is concern that the number of ultrafine (<0.1 micron) particles may increase. All present epidemiological and laboratory data on the toxicity of diesel emissions were derived from emissions of older-technology engines. New, short-term toxicity data are needed to make health-based choices among diesel technologies and to compare the toxicity of diesel emissions to those of other engine technologies. This research program has two facets: (1) development and use of short-term in vitro and in vivo toxicity assays for comparing the toxicities of gasoline and diesel exhaust emissions; and (2) determination of the disposition of inhaled ultrafine particles deposited in the lung. Responses of cultured cells, cultured lung slices, and rodent lungs to various types of particles were compared to develop an improved short-term toxicity screening capability. To date, chemical toxicity indicators of cultured human A549 cells and early inflammatory and cytotoxic indicators of rat lungs have given the best distinguishing capability. A study is now underway to determine the relative toxicities of exhaust samples from in-use diesel and gasoline engines. The samples are being collected under the direction of the National Renewable Energy Laboratory with support from DOE's Office of Heavy Vehicle Technologies. The ability to generate solid ultrafine particles and to trace their movement in the body as particles and soluble material was developed. Data from rodents suggest that ultrafine particles can move from the lung to the liver in particulate form. The quantitative disposition of inhaled ultrafine particles will be determined in rodents and nonhuman primates.

Kristen J. Nikula; Gregory L. Finch; Richard A. Westhouse; JeanClare Seagrave; Joe L. Mauderly; Doughlas R. Lawson; Michael Gurevich

1999-04-26T23:59:59.000Z

38

Strength and fatigue of NT551 silicon nitride and NT551 diesel exhaust valves  

SciTech Connect (OSTI)

The content of this report is excerpted from Mark Andrew's Ph.D. Thesis (Andrews, 1999), which was funded by a DOE/OTT High Temperature Materials Laboratory Graduate Fellowship. It involves the characterization of NT551 and valves fabricated with it. The motivations behind using silicon nitride (Si{sub 3}N{sub 4}) as an exhaust valve for a diesel engine are presented in this section. There are several economic factors that have encouraged the design and implementation of ceramic components for internal combustion (IC) engines. The reasons for selecting the diesel engine valve for this are also presented.

Andrews, M.J.; Werezczak, A.A.; Kirkland, T.P.; Breder, K.

2000-02-01T23:59:59.000Z

39

Experimental and theoretical study of exhaust gas fuel reforming of Diesel fuel by a non-thermal arc discharge for syngas production  

E-Print Network [OSTI]

Experimental and theoretical study of exhaust gas fuel reforming of Diesel fuel by a non Abstract: An experimental set-up has been developed to study two typical operating points of Diesel powered that the oxygen from CO2 and H2O almost does not intervene in the exhaust gas Diesel fuel reforming

Paris-Sud XI, Université de

40

Effect of exhaust gas recirculation on diesel knock intensity and its mechanism  

SciTech Connect (OSTI)

This paper presents an experimental study of the effect of exhaust gas recirculation (EGR) on diesel knock intensity, which is defined and discussed. In a previous paper, it was reported that particulate emission can be decreased by applying EGR under certain operating conditions; and the possible mechanism of the effect of EGR was presented. In the present study, the effect of EGR on diesel knock is examined under a variety of operating conditions. Diesel knock intensity is decreased considerably by EGR under the same operating conditions as when the particulate emission is decreased. A quantitative relationship between the diesel knock intensity and the maximum rate of cylinder pressure rise is obtained. The effect of EGR on diesel knock intensity is determined by both the chemical reaction rate of the initial premixed combustion (spontaneous ignition) and the fuel mass fraction prepared and burned in this stage. This is verified by measuring the ignition lag and classifying it into chemical and physical lags by a statistical technique.

Shiga, S.; Ehara, H.; Karasawa, T.; Kurabayashi, T.

1988-06-01T23:59:59.000Z

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Epidemiological-environmental study of diesel bus garage workers: chronic effects of diesel exhaust on the respiratory system  

SciTech Connect (OSTI)

Two hundred and eighty-three (283) male diesel bus garage workers from four garages in two cities were examined to determine if there was excess chronic respiratory morbidity related to diesel exposure. The dependent variables were respiratory symptoms, radiographic interpretation for pneumoconiosis, and pulmonary function (FVC, FEV1, and flow rates). Independent variables included race, age, smoking, drinking, height, and tenure (as surrogate measure of exposure). Exposure-effect relationships within the study population showed no detectable associations of symptoms with tenure. There was an apparent association of pulmonary function and tenure. Seven workers (2.5%) had category 1 pneumoconiosis (three rounded opacities, two irregular opacities, and one with both rounded and irregular). The study population was also compared to a nonexposed blue-collar population. After indirect adjustment for age, race, and smoking, the study population had elevated prevalences of cough, phlegm, and wheezing, but there was no association with tenure. Dyspnea showed a dose-response trend but no apparent increase in prevalence. Mean percent predicted pulmonary function of the study population was greater than 100%, i.e., elevated above the comparison population. These data show there is an apparent effect of diesel exhaust on pulmonary function but not chest radiographs. Respiratory symptoms are high compared to blue-collar workers, but there is no relationship with tenure.

Gamble, J.; Jones, W.; Minshall, S.

1987-10-01T23:59:59.000Z

42

COMPARATIVE STUDY ON EXHAUST EMISSIONS FROM DIESEL- AND CNG-POWERED URBAN BUSES  

SciTech Connect (OSTI)

Couple years ago, ADEME engaged programs dedicated to the urban buses exhaust emissions studies. The measures associated with the reduction of atmospheric and noise pollution has particular importance in the sector of urban buses. In many cases, they illustrate the city's environmental image and contribute to reinforcing the attractiveness of public transport. France's fleet in service, presently put at about 14,000 units, consumes about 2 per cent of the total energy of city transport. It causes about 2 per cent of the HC emissions and from 4 to 6 per cent of the NOx emissions and particles. These vehicles typically have a long life span (about 15 years) and are relatively expensive to buy, about 150.000 euros per unit. Several technical solutions were evaluated to quantify, on a real condition cycle for buses, on one hand pollutants emissions, fuel consumption and on the other hand reliability, cost in real existing fleet. This paper presents main preliminary results on urban buses exhaust emission on two different cases: - existing Diesel buses, with fuel modifications (Diesel with low sulphur content), Diesel with water emulsion and bio-Diesel (30% oil ester in standard Diesel fuel); renovating CNG powered Euro II buses fleet, over representative driving cycles, set up by ADEME and partners. On these cycles, pollutants (regulated and unregulated) were measured as well as fuel consumption, at the beginning of a program and one year after to quantify reliability and increase/decrease of pollutants emissions. At the same time, some after-treatment technologies were tested under real conditions and several vehicles. Information such as fuel consumption, lubricant analysis, problem on the technology were following during a one year program. On the overall level, it is the combination of various action, pollution-reduction and renewal that will make it possible to meet the technological challenge of reducing emissions and fuel consumption by urban bus networks.

COROLLER, P; PLASSAT, G

2003-08-24T23:59:59.000Z

43

Exhaust Gas Recirculation Cooler Fouling in Diesel Applications: Fundamental Studies Deposit Properties and Microstructure  

SciTech Connect (OSTI)

This paper reports on the results of experimental efforts aimed at improving the understanding of the mechanisms and conditions at play in the fouling of EGR coolers. An experimental apparatus was constructed to utilize simplified surrogate heat exchanger tubes in lieu of full-size heat exchangers. The use of these surrogate tubes allowed removal of the tubes after exposure to engine exhaust for study of the deposit layer and its properties. The exhaust used for fouling the surrogate tubes was produced using a modern medium-duty diesel engine fueled with both ultra-low sulfur diesel and biodiesel blends. At long exposure times, no significant difference in the fouling rate was observed between fuel types and HC levels. Surface coatings for the tubes were also evaluated to determine their impact on deposit growth. No surface treatment or coating produced a reduction in the fouling rate or any evidence of deposit removal. In addition, microstructural analysis of the fouling layers was performed using optical and electron microscopy in order to better understand the deposition mechanism. The experimental results are consistent with thermophoretic deposition for deposit formation, and van der Waals attraction between the deposit surface and exhaust-borne particulate.

Storey, John Morse [ORNL; Sluder, Scott [ORNL; Lance, Michael J [ORNL; Styles, Dan [Ford Motor Company; Simko, Steve [Ford Motor Company

2013-01-01T23:59:59.000Z

44

Effects of diesel exhaust on the microbiota within a tuffaceous tunnel system  

SciTech Connect (OSTI)

The abundance and distribution of microbiota that may be impacted by diesel and diesel exhaust were investigated from three depths into the walls and invert (floor) of U12n tunnel at Rainier Mesa, Nevada Test Site, a potential geological analog of Yucca Mountain. Enumerations included total cell counts, and numbers of aerobic heterotrophic, sulfate-reducing, nitrate-reducing, and diesel-degrading bacteria. Additionally, the disappearance of total petroleum hydrocarbons was determined in microcosms containing subsurface materials that were amended with diesel fuel. Results revealed that microbes capable of utilizing diesel and diesel combustion products were present in the subsurface in both the walls and the invert of the tunnel. The abundance of specific bacterial types in the tunnel invert, a perturbed environment, was greater than that observed in the tunnel wall. Few trends of microbial distribution either into the tunnel wall or the invert were noted with the exception of aerobic heterotrophic abundance which increased with depth into the wall and decreased with depth into the invert. No correlation between microbiota and a specific introduced chemical species have yet been determined. The potential for microbial contamination of the tunnel wall during sampling was determined to be negligible by the use of fluorescently labeled latex spheres (1{mu}m in dia.) as tracers. Results indicate that additional investigations might be needed to examine the microbiota and their possible impacts on the geology and geochemistry of the subsurface, both indigenous microbiota and those microorganisms that will likely be introduced by anthropogenic activity associated with the construction of a high-level waste repository.

Haldeman, D.L.; Lagadinos, T.; Amy, P.S. [Univ. of Nevada, Las Vegas, NV (United States); Hersman, L. [Los Alamos National Lab., NM (United States); Meike, A. [Lawrence Livermore National Lab., Livermore, CA (United States)

1996-08-01T23:59:59.000Z

45

Investigation of Nitro-Organic Compounds in Diesel Engine Exhaust: Final Report, February 2007 - April 2008  

SciTech Connect (OSTI)

The National Renewable Energy Laboratory upgraded its ReFUEL engine and vehicle testing facility to speciate unregulated gas-phase emissions. To complement this capability, the laboratory contracted with the Colorado School of Mines (CSM) to study the effects of soy biodiesel fuel and a diesel particle filter (DPF) on emissions of polycyclic aromatic hydrocarbons (PAH) and nitro-polycyclic aromatic hydrocarbons (NPAH). CSM developed procedures to sample diesel particulate matter (PM) emissions from raw and diluted exhaust, with and without a DPF. They also developed improved procedures for extracting PAH and NPAH from the PM and quantifying them with a gas chromatograph-electron monochromator mass spectrometer. The study found the DPF generally reduced PAH emissions by 1 to 3 orders of magnitude. PAH conversion was lowest for B100, suggesting that PAHs were forming in the DPF. Orders of magnitude reductions were also found for NPAH emissions exiting the DPF.

Dane, J.; Voorhees, K. J.

2010-06-01T23:59:59.000Z

46

Extending Exhaust Gas Recirculation Limits in Diesel Engines Robert M. Wagner, Johney B. Green, Jr., John M. Storey, and C. Stuart Daw  

E-Print Network [OSTI]

1 Extending Exhaust Gas Recirculation Limits in Diesel Engines Robert M. Wagner, Johney B. Green) for reduced nitro- gen oxide emissions from diesel engines. The research objective is to develop fundamental in- formation about the relationship between EGR parameters and diesel combustion instability

Tennessee, University of

47

Regulated and Unregulated Exhaust Emissions Comparison for Three Tier II Non-Road Diesel Engines Operating on Ethanol-Diesel Blends  

SciTech Connect (OSTI)

Regulated and unregulated emissions (individual hydrocarbons, ethanol, aldehydes and ketones, polynuclear aromatic hydrocarbons (PAH), nitro-PAH, and soluble organic fraction of particulate matter) were characterized in engines utilizing duplicate ISO 8178-C1 eight-mode tests and FTP smoke tests. Certification No. 2 diesel (400 ppm sulfur) and three ethanol/diesel blends, containing 7.7 percent, 10 percent, and 15 percent ethanol, respectively, were used. The three, Tier II, off-road engines were 6.8-L, 8.1-L, and 12.5-L in displacement and each had differing fuel injection system designs. It was found that smoke and particulate matter emissions decreased with increasing ethanol content. Changes to the emissions of carbon monoxide and oxides of nitrogen varied with engine design, with some increases and some decreases. As expected, increasing ethanol concentration led to higher emissions of acetaldehyde (increases ranging from 27 to 139 percent). Benzene emissions were reduced by up to 50 percent with the ethanol-blended fuels. Emissions of 1,3-butadiene were also substantially decreased, with reductions ranging from 24 to 82 percent. Isolated trends were noted for certain PAHs. There was a decrease in 1-nitropyrene with use of ethanol in all cases. Particulate phase 1-nitropyrene was reduced from 18 to 62 percent. There was also a general increase in the proportion of heavy PAHs in the particulate phase with ethanol use, and although less pronounced, a general decrease in light PAHs in the particulate phase.

Merritt, P. M.; Ulmet, V.; McCormick, R. L.; Mitchell, W. E.; Baumgard, K. J.

2005-11-01T23:59:59.000Z

48

Driving Down Diesel Emissions  

E-Print Network [OSTI]

is adapted from “Effects of Diesel Particle Filter Retro?tst’s official: exposure to diesel exhaust harms human health.its rankings, shifting diesel exhaust from a probable to a

Harley, Robert

2013-01-01T23:59:59.000Z

49

The Potential of Elelcltric Exhaust Gas Turbocharging for HD...  

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

Elelcltric Exhaust Gas Turbocharging for HD DIesel Engines The Potential of Elelcltric Exhaust Gas Turbocharging for HD DIesel Engines 2005 Diesel Engine Emissions Reduction (DEER)...

50

Diesel exhaust particles induce endothelial dysfunction in apoE{sup -/-} mice  

SciTech Connect (OSTI)

Background: Particulate air pollution can aggravate cardiovascular disease by mechanisms suggested to involve translocation of particles to the bloodstream and impairment of endothelial function, possibly dependent on present atherosclerosis. Aim: We investigated the effects of exposure to diesel exhaust particles (DEP) in vivo and ex vivo on vasomotor functions in aorta from apoE{sup -/-} mice with slight atherosclerosis and from normal apoE{sup +/+} mice. Methods: DEP 0, 0.5 or 5 mg/kg bodyweight in saline was administered i.p. The mice were sacrificed 1 h later and aorta ring segments were mounted on wire myographs. Segments from unexposed mice were also incubated ex vivo with 0, 10 and 100 {mu}g DEP/ml before measurement of vasomotor functions. Results: Exposure to 0.5 mg/kg DEP in vivo caused a decrease in the endothelium-dependent acetylcholine elicited vasorelaxation in apoE{sup -/-} mice, whereas the response was enhanced in apoE{sup +/+} mice. No significant change was observed after administration of 5 mg/kg DEP. In vivo DEP exposure did not affect constriction induced by K{sup +} or phenylephrine. In vitro exposure to 100 {mu}g DEP/ml enhanced acetylcholine-induced relaxation and attenuated phenylephrine-induced constriction. Vasodilation induced by sodium nitroprusside was not affected by any DEP exposure. Conclusion: Exposure to DEP has acute effect on vascular functions. Endothelial dysfunction possibly due to decreased NO production as suggested by decreased acetylcholine-induced vasorelaxation and unchanged sodium nitroprusside response can be induced by DEP in vivo only in vessels of mice with some atherosclerosis.

Hansen, Christian S. [Department of Environmental and Occupational Health, Institute of Public Health, University of Copenhagen, Oster Farimagsgade 5, Building 5B, 2nd Floor, 1014 Copenhagen K (Denmark); Sheykhzade, Majid [Department of Pharmacology and Pharmacotherapy, Danish University of Pharmaceutical Sciences (Denmark); Moller, Peter [Department of Environmental and Occupational Health, Institute of Public Health, University of Copenhagen, Oster Farimagsgade 5, Building 5B, 2nd Floor, 1014 Copenhagen K (Denmark); Folkmann, Janne Kjaergaard [Department of Environmental and Occupational Health, Institute of Public Health, University of Copenhagen, Oster Farimagsgade 5, Building 5B, 2nd Floor, 1014 Copenhagen K (Denmark); Amtorp, Ole [Department of Pharmacology, University of Copenhagen (Denmark); Jonassen, Thomas [Department of Pharmacology, University of Copenhagen (Denmark); Loft, Steffen [Department of Environmental and Occupational Health, Institute of Public Health, University of Copenhagen, Oster Farimagsgade 5, Building 5B, 2nd Floor, 1014 Copenhagen K (Denmark)]. E-mail: s.loft@pubhealth.ku.dk

2007-02-15T23:59:59.000Z

51

Light-Duty Drive Cycle Simulations of Diesel Engine-Out Exhaust Properties for an RCCI-Enabled Vehicle  

SciTech Connect (OSTI)

In-cylinder blending of gasoline and diesel fuels to achieve low-temperature reactivity controlled compression ignition (RCCI) can reduce NOx and PM emissions while maintaining or improving brake thermal efficiency compared to conventional diesel combustion (CDC). Moreover, the dual-fueling RCCI is able to achieve these benefits by tailoring combustion reactivity over a wider range of engine operation than is possible with a single fuel. However, the currently demonstrated range of stable RCCI combustion just covers a portion of the engine speed-load range required in several light-duty drive cycles. This means that engines must switch from RCCI to CDC when speed and load fall outside of the stable RCCI range. In this study we investigated the impact of RCCI as it has recently been demonstrated on practical engine-out exhaust temperature and emissions by simulating a multi-mode RCCI-enabled vehicle operating over two urban and two highway driving cycles. To implement our simulations, we employed experimental engine maps for a multi-mode RCCI/CDC engine combined with a standard mid-size, automatic transmission, passenger vehicle in the Autonomie vehicle simulation platform. Our results include both detailed transient and cycle-averaged engine exhaust temperature and emissions for each case, and we note the potential implications of the modified exhaust properties on catalytic emissions control and utilization of waste heat recovery on future RCCI-enabled vehicles.

Gao, Zhiming [ORNL] [ORNL; Curran, Scott [ORNL] [ORNL; Daw, C Stuart [ORNL] [ORNL; Wagner, Robert M [ORNL] [ORNL

2013-01-01T23:59:59.000Z

52

System modeling, analysis, and optimization methodology for diesel exhaust after-treatment technologies  

E-Print Network [OSTI]

Developing new aftertreatment technologies to meet emission regulations for diesel engines is a growing problem for many automotive companies and suppliers. Balancing manufacturing cost, meeting emission performance, ...

Graff, Christopher Dominic

2006-01-01T23:59:59.000Z

53

The Impact of Oil Consumption Mechanisms on Diesel Exhaust Particle Size Distributions and Detailed Exhaust Chemical Composition  

SciTech Connect (OSTI)

Detailed exhaust emission data have been taken from a Cummins N-14 single cylinder research engine in which the oil consumption was varied by different engine modifications. Low sulfur fuel was used, and oil consumption was varied by modifying the intake valve stem seals, the exhaust valve stem seals, the oil control ring and combinations of these modifications. Detailed measurements of exhaust gas particle size distributions and chemical composition were made for the various oil consumption configurations for a range of engine loads and speeds. The particulate mass was measured with TEOM and traditional gravimetric filter methods. Filter data for EC/OC, sulfates and trace metals have been taken and analyzed. The trace metals in the particulate mass serve as the basis for assessing oil consumption at the different operating conditions. The data indicate that the oil consumption for the steady state testing done here was approximately an order of magnitude below oil consumption values cited in the literature. We did measure changes in the details of the chemical composition of the particulate for the different engine operating conditions, but it did not correlate with changes in the oil consumption. Furthermore, the data indicate that the particle size distribution is not strongly impacted by low level oil consumption variations observed in this work.

Stetter, J; Forster, N; Ghandhi, J; Foster, D

2003-08-24T23:59:59.000Z

54

SCR-DPF Integrations for Diesel ExhaustPerformance and Perspectives...  

Broader source: Energy.gov (indexed) [DOE]

advantages: - Lower volume, cost - Improved transfer: heat, gas components - Earlier urea injection, improved cold start SCR - Low exhaust temperature High temperature stable SCR...

55

Development of a Simple Field Test for Vehicle Exhaust to Detect Illicit Use of Dyed Diesel Fuel  

SciTech Connect (OSTI)

The use of tax-free dyed fuel on public highways in the United States provides a convenient way of evading taxes. Current enforcement involves visual inspection for the red azo dye added to the fuel to designate its tax-free status. This approach has shortcomings such as the invasive nature of the tests and/or various deceptive tactics applied by tax evaders. A test designed to detect dyed fuel use by analyzing the exhaust would circumvent these shortcomings. This paper describes the development of a simple color spot test designed to detect the use of tax-free (dyed) diesel fuel by analyzing the engine exhaust. Development first investigated the combustion products of C.I. Solvent Red 164 (the azo dye formulation used in the United States to tag tax-free fuel). A variety of aryl amines were identified as characteristic molecular remnants that appear to survive combustion. A number of microanalytical color tests specific for aryl amines were then investigated. One test based on the use of 4-(dimethylamino)benzaldehyde seemed particularly applicable and was used in a proof-of-principle experiment. The 4-(dimethylamino)benzaldehyde color spot test was able to clearly distinguish between engines burning regular and dyed diesel fuel. Further development will refine this color spot test to provide an easy-to-use field test for Internal Revenue Service Field Compliance specialists.

Harvey, Scott D.; Wright, Bob W.

2011-10-30T23:59:59.000Z

56

Preparation of acetaldehyde  

DOE Patents [OSTI]

Disclosed is a process for the preparation of acetaldehyde by the hydrogenation of ketene in the presence of a transition metal hydrogenation catalyst.

Tustin, Gerald Charles (Kingsport, TN); Depew, Leslie Sharon (Kingsport, TN)

1997-10-21T23:59:59.000Z

57

On-Board Engine Exhaust Particulate Matter Sensor for HCCI and Conventional Diesel Engines  

SciTech Connect (OSTI)

The goal of the research was to refine and complete development of an on-board particulate matter (PM) sensor for diesel, DISI, and HCCI engines, bringing it to a point where it could be commercialized and marketed.

Hall, Matt; Matthews, Ron

2011-09-30T23:59:59.000Z

58

Onboard Plasmatron Generation of Hydrogen rich Gas for Diesel Engine Exhaust Aftertreatment and Other Applications  

SciTech Connect (OSTI)

Plasmatron reformers can provide attractive means for conversion of diesel fuel into hydrogen rich gas. The hydrogen rich gas can be used for improved NOx trap technology and other aftertreatment applications.

Bromberg, L.; Cohn, D.R.; Heywood,J.; Rabinovich, A.

2002-08-25T23:59:59.000Z

59

Control of Charge Dilution in Turbocharged Diesel Engines via Exhaust Valve Timing  

E-Print Network [OSTI]

Compression Ignition (HCCI) engines high level of EGR can be used to indirectly control combustion initiation and HCCI engines [7, 10]. Conventional external EGR (eEGR), relies on a pressure drop from exhaust manifold

Stefanopoulou, Anna

60

The effect of air charge temperature on performance, ignition delay and exhaust emissions of diesel engines using w/o emulsions as fuel  

SciTech Connect (OSTI)

Most of the work performed on the use of water/oil emulsions in diesel engines showed that increasing the water content in the emulsified fuel was effective in reducing NO/sub x/ and soot emissions. Unfortunately, the increase in water content in the emulsified fuel also increases the ignition delay and may cause diesel knock. One way to reduce the ignition delay is to increase the air charge temperature. In this study, the effect of increasing the air charge temperature on ignition delay, performance and exhaust emissions was investigated. The experiments were conducted on a CLR diesel engine using base-line diesel fuel number2 and stabilized macro-emulsions containing 15 percent, 30 percent and 45 percent water by volume.

Afify, E.M.; Korah, N.S.; Dickey, D.W.

1987-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Exposure to diesel exhaust up-regulates iNOS expression in ApoE knockout mice  

SciTech Connect (OSTI)

Traffic related particulate matter air pollution is a risk factor for cardiovascular events; however, the biological mechanisms are unclear. We hypothesize that diesel exhaust (DE) inhalation induces up-regulation of inducible nitric oxide synthase (iNOS), which is known to contribute to vascular dysfunction, progression of atherosclerosis and ultimately cardiovascular morbidity and mortality. Methods: ApoE knockout mice (30-week) were exposed to DE (at 200 {mu}g/m{sup 3} of particulate matter) or filtered-air (control) for 7 weeks (6 h/day, 5 days/week). iNOS expression in the blood vessels and heart was evaluated by immunohistochemistry and western blotting analysis. To examine iNOS activity, thoracic aortae were mounted in a wire myograph, and vasoconstriction stimulated by phenylephrine (PE) was measured with and without the presence of the specific inhibitor for iNOS (1400 W). NF-{kappa}B (p65) activity was examined by ELISA. The mRNA expression of iNOS and NF-{kappa}B (p65) was determined by real-time PCR. Results: DE exposure significantly enhanced iNOS expression in the thoracic aorta (4-fold) and heart (1.5 fold). DE exposure significantly attenuated PE-stimulated vasoconstriction by {approx} 20%, which was partly reversed by 1400 W. The mRNA expression of iNOS and NF-{kappa}B was significantly augmented after DE exposure. NF-{kappa}B activity was enhanced 2-fold after DE inhalation, and the augmented NF-{kappa}B activity was positively correlated with iNOS expression (R{sup 2} = 0.5998). Conclusions: We show that exposure to DE increases iNOS expression and activity possibly via NF-{kappa}B-mediated pathway. We suspect that DE exposure-caused up-regulation of iNOS contributes to vascular dysfunction and atherogenesis, which could ultimately lead to urban air pollution-associated cardiovascular morbidity and mortality. - Highlights: > Exposed ApoE knockout mice (30-week) to diesel exhaust (DE) for 7 weeks. > Examine iNOS expression and activity in the blood vessels and heart. > DE exposure enhanced iNOS protein and mRNA expression in the aorta and heart. > iNOS activity was also increased after DE exposure. > This up-regulation of iNOS may contribute to vascular dysfunction and atherogenesis.

Bai Ni [Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC (Canada); James Hogg Research Centre, Providence Heart and Lung Institute, St. Paul's Hospital, University of British Columbia, Vancouver, BC (Canada); Kido, Takashi [James Hogg Research Centre, Providence Heart and Lung Institute, St. Paul's Hospital, University of British Columbia, Vancouver, BC (Canada); Kavanagh, Terrance J.; Kaufman, Joel D.; Rosenfeld, Michael E. [Department of Occupational and Environmental Health, University of Washington, Seattle, WA (United States); Breemen, Cornelis van [Department of Anesthesiology, Pharmacology and Therapeutics, University of British Columbia, Vancouver, BC (Canada); Eeden, Stephan F. van, E-mail: Stephan.vanEeden@hli.ubc.ca [James Hogg Research Centre, Providence Heart and Lung Institute, St. Paul's Hospital, University of British Columbia, Vancouver, BC (Canada)

2011-09-01T23:59:59.000Z

62

Endothelial-constitutive nitric oxide synthase exists in airways and diesel exhaust particles inhibit the effect of nitric oxide  

SciTech Connect (OSTI)

Diesel exhaust particles (DEP) are an important cause of air pollution and are thought to be responsible for some respiratory ailments, but the exact mechanism is not known. We evaluated whether DEP inhibit nitric oxide (NO) synthesis in bronchi as No is present in the exhaled air and has a physiological role in the respiratory tract. Aortic rings were also examined for comparison. We observed that acetylcholine (ACh) induced contraction of the bronchi was partially attenuated by the simultaneous release of NO. When bronchial rings were incubated either with N{sup G}-methyl-L-arginine (L-NMA): an inhibitor of NO synthase (NOS) or with DEP, the contraction to ACh was abolished. The source of the NOS was the bronchial epithelium and this endothelial-constitutive NOS was demonstrated by immunohistochemistry. DEP like L-NMA inhibited the ACh induced endothelium dependent relaxation in the aortic rings. The inhibition of NO release by DEP and L-NMA from bronchial and aortic rings was also confirmed by a selective NO electrode. We conclude that inhibition of NO availability by DEP may in part be responsible for the adverse respiratory effects seen by inhalation of these particles in polluted air. 27 refs., 6 figs.

Muto, Emiko; Hayashi, Toshio; Yamada, Kazuyoshi [Nagoya Univ. School of Medicine (Japan)] [and others] [Nagoya Univ. School of Medicine (Japan); and others

1996-12-31T23:59:59.000Z

63

Hydrogen generation from plasmatron reformers and use for diesel...  

Broader source: Energy.gov (indexed) [DOE]

Hydrogen generation from plasmatron reformers and use for diesel exhaust aftertreatment Hydrogen generation from plasmatron reformers and use for diesel exhaust aftertreatment 2003...

64

Differential transcriptional regulation of IL-8 expression by human airway epithelial cells exposed to diesel exhaust particles  

SciTech Connect (OSTI)

Exposure to diesel exhaust particles (DEP) induces inflammatory signaling characterized by MAP kinase-mediated activation of NFkB and AP-1 in vitro and in bronchial biopsies obtained from human subjects exposed to DEP. NFkB and AP-1 activation results in the upregulation of genes involved in promoting inflammation in airway epithelial cells, a principal target of inhaled DEP. IL-8 is a proinflammatory chemokine expressed by the airway epithelium in response to environmental pollutants. The mechanism by which DEP exposure induces IL-8 expression is not well understood. In the current study, we sought to determine whether DEP with varying organic content induces IL-8 expression in lung epithelial cells, as well as, to develop a method to rapidly evaluate the upstream mechanism(s) by which DEP induces IL-8 expression. Exposure to DEP with varying organic content differentially induced IL-8 expression and IL-8 promoter activity human airway epithelial cells. Mutational analysis of the IL-8 promoter was also performed using recombinant human cell lines expressing reporters linked to the mutated promoters. Treatment with a low organic-containing DEP stimulated IL-8 expression by a mechanism that is predominantly NFkB-dependent. In contrast, exposure to high organic-containing DEP induced IL-8 expression independently of NFkB through a mechanism that requires AP-1 activity. Our study reveals that exposure to DEP of varying organic content induces proinflammatory gene expression through multiple specific mechanisms in human airway epithelial cells. The approaches used in the present study demonstrate the utility of a promoter-reporter assay ensemble for identifying transcriptional pathways activated by pollutant exposure.

Tal, Tamara L. [Curriculum in Toxicology, University of North Carolina, Chapel Hill (United States); Simmons, Steven O. [Integrated Systems Toxicology, National Health and Environmental Effects Research Laboratory, U.S. EPA (United States); Silbajoris, Robert; Dailey, Lisa [Environmental and Public Health, National Health and Environmental Effects Research Laboratory, U.S. EPA (United States); Cho, Seung-Hyun [Air Pollution Prevention Control Division, National Risk Management Research Laboratory, U.S. EPA (United States); Research Participation Program, Oak Ridge Institute for Science and Education, Oak Ridge (United States); Ramabhadran, Ram [Curriculum in Toxicology, University of North Carolina, Chapel Hill (United States); Integrated Systems Toxicology, National Health and Environmental Effects Research Laboratory, U.S. EPA (United States); Linak, William [Air Pollution Prevention Control Division, National Risk Management Research Laboratory, U.S. EPA (United States); Reed, William; Bromberg, Philip A. [Center for Environmental Medicine, Asthma, and Lung Biology, University of North Carolina, Chapel Hill (United States); Samet, James M., E-mail: samet.james@epa.go [Curriculum in Toxicology, University of North Carolina, Chapel Hill (United States); Environmental and Public Health, National Health and Environmental Effects Research Laboratory, U.S. EPA (United States)

2010-02-15T23:59:59.000Z

65

Carbonyl Emissions from Gasoline and Diesel Motor Vehicles  

E-Print Network [OSTI]

emissions from gasoline and diesel motor vehicles. Environ.of four dilutions of diesel engine exhaust for a subchronicautomobiles and heavy-duty diesel trucks. Environ. Sci.

Jakober, Chris A.

2008-01-01T23:59:59.000Z

66

Measurements of Diesel Truck Traffic Associated with Goods Movement  

E-Print Network [OSTI]

Concentrations of PM2.5 and Diesel Exhaust Particles onPatterns of Measured Port Diesel Traffic. (a) Intersectionof particulate emissions from diesel engines: a review’, J.

Houston, Douglas; Krudysz, Margaret; Winer, Arthur

2007-01-01T23:59:59.000Z

67

On-Board Engine Exhaust Particulate Matter Sensor for HCCI and...  

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

On-Board Engine Exhaust Particulate Matter Sensor for HCCI and Conventional Diesel Engines On-Board Engine Exhaust Particulate Matter Sensor for HCCI and Conventional Diesel...

68

REVIEW OF DIESEL PARTICULATE MATTER SAMPLING METHODS Supplemental Report # 1  

E-Print Network [OSTI]

REVIEW OF DIESEL PARTICULATE MATTER SAMPLING METHODS Supplemental Report # 1 DIESEL EXHAUST.D. and Megan Arnold University of Minnesota Department of Mechanical Engineering Center for Diesel Research....................................................................................... 3 Diesel aerosol size instrumentation............................................................ 4

Minnesota, University of

69

Size-Resolved Particle Number and Volume Emission Factors for On-Road Gasoline and Diesel Motor Vehicles  

E-Print Network [OSTI]

losses when sampling diesel aerosol: A quality assurancefrom on-road gasoline and diesel vehicles. AtmosphericSource apportionment of diesel and spark ignition exhaust

Ban-Weiss, George A.

2009-01-01T23:59:59.000Z

70

Optimization of an Advanced Passive/Active Diesel Emission Control...  

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

an Advanced PassiveActive Diesel Emission Control System Optimization of an Advanced PassiveActive Diesel Emission Control System Evaluation of PM exhaust aftertreatment...

71

Effects of an Accelerated Diesel Engine Replacement/Retrofit Program  

E-Print Network [OSTI]

T. A. , (2001). Diesel engines: environmental impact andof a heavy-duty diesel engine to improve deNOx performanceOn-road heavy-duty diesel engine exhaust particulate matter

Millstein, Dev E.; Harley, Robert A

2009-01-01T23:59:59.000Z

72

The Effects of an Exhaust Thermoelectric Generator of a GM Sierra...  

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

an Exhaust Thermoelectric Generator of a GM Sierra Pickup Truck The Effects of an Exhaust Thermoelectric Generator of a GM Sierra Pickup Truck 2004 Diesel Engine Emissions...

73

Investigation of engine performance and exhaust gas emissions by using bio-diesel in compression ignition engine and optimisation of bio-diesel production from feedstock by using response surface methodology.  

E-Print Network [OSTI]

??Bio-diesel, derived from the transesterification of vegetable oils or animal fats with simple alcohols, has attracted more and more attention recently. As a cleaner burning… (more)

Abuhabaya, Abdullah

2012-01-01T23:59:59.000Z

74

An Information Dependant Computer Program for Engine Exhaust...  

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

at rural Alaskan village power plants to quickly evaluate how to use exhaust waste heat from individual diesel power plants. deer09avadhanula.pdf More Documents &...

75

CF8C PLus: A New Cast Stainless Steel for High-Temperature Diesel...  

Broader source: Energy.gov (indexed) [DOE]

CF8C PLus: A New Cast Stainless Steel for High-Temperature Diesel Exhaust Components CF8C PLus: A New Cast Stainless Steel for High-Temperature Diesel Exhaust Components...

76

CF8C PLus: A New Cast Stainless Steel for High-Temperature Diesel...  

Broader source: Energy.gov (indexed) [DOE]

engine * Cast stainless upgrade for SiMo cast-iron diesel engine exhaust components turbo-housing exhaust manifold C-15, 14.6L HD On- Highway Diesel Engine Materials Need: High...

77

New Austenitic Stainless Steels for Exhaust Components (Agreement...  

Broader source: Energy.gov (indexed) [DOE]

diesel engines in January, 2007 CF8C-Plus steel SiMo Cast-iron * Exhaust combustor (turbo exhaust + injected fuel) to clean out particulate filters: high temperature and rapid...

78

Examples of past vehicle-related projects at the University of Alabama: Diesel Exhaust Treatment Using Catalyst/Zeolite-II-collaborative UAB/UA project funded by  

E-Print Network [OSTI]

of an electrostatic diesel injector. Micro-Pilot Ignition Studies for Alternative Fueled Engines- five-year project with/without electrical heating and with/without secondary air injection. Alabama Alternative Fuel base, develop and disseminate alternative fuels information to Alabama citizens, and coordinate

Carver, Jeffrey C.

79

US Department of Energy - Office of FreedomCar and Vehicle Technologies and US Centers for Disease Control and Prevention - National Institute for Occupational Safety and Health Inter-Agency Agreement Research on "The Analysis of Genotoxic Activities of Exhaust Emissions from Mobile Natural Gas, Diesel, and Spark-Ignition Engines"  

SciTech Connect (OSTI)

The US Department of Energy-Office of Heavy Vehicle Technologies (now the DOE-Office of FreedomCar and Vehicle Technologies) signed an Interagency Agreement (IAA) with National Institute for Occupational Safety and Health (NIOSH), No.01-15 DOE, 9/4/01, for 'The analysis of genotoxic activities of exhaust emissions from mobile natural gas, diesel, and spark-ignition engines'; subsequently modified on 3/27/02 (DOE IAG No.01-15-02M1); subsequently modified 9/02/03 (IAA Mod No. 01-15-03M1), as 'The analysis of genotoxic activities of exhaust emissions from mobile internal combustion engines: identification of engine design and operational parameters controlling exhaust genotoxicity'. The DOE Award/Contract number was DE-AI26-01CH11089. The IAA ended 9/30/06. This is the final summary technical report of National Institute for Occupational Safety and Health research performed with the US Department of Energy-Office of FreedomCar and Vehicle Technologies under that IAA: (A) NIOSH participation was requested by the DOE to provide in vitro genotoxicity assays of the organic solvent extracts of exhaust emissions from a suite of in-use diesel or spark-ignition vehicles; (B) research also was directed to develop and apply genotoxicity assays to the particulate phase of diesel exhaust, exploiting the NIOSH finding of genotoxicity expression by diesel exhaust particulate matter dispersed into the primary components of the surfactant coating the surface of the deep lung; (C) from the surfactant-dispersed DPM genotoxicity findings, the need for direct collection of DPM aerosols into surfactant for bioassay was recognized, and design and developmental testing of such samplers was initiated.

William E. Wallace

2006-09-30T23:59:59.000Z

80

Electrical diesel particulate filter (DPF) regeneration  

DOE Patents [OSTI]

An exhaust system that processes exhaust generated by an engine includes a diesel particulate filter (DPF) that is disposed downstream of the engine and that filters particulates from the exhaust. An electrical heater is disposed upstream of the DPF and selectively heats the exhaust to initiate combustion of the particulates within the exhaust as it passes therethrough. Heat generated by combustion of the particulates induces combustion of particulates within the DPF.

Gonze, Eugene V; Ament, Frank

2013-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Method and system for the combination of non-thermal plasma and metal/metal oxide doped .gamma.-alumina catalysts for diesel engine exhaust aftertreatment system  

DOE Patents [OSTI]

The present disclosure pertains to a system and method for treatment of oxygen rich exhaust and more specifically to a method and system that combines non-thermal plasma with a metal doped .gamma.-alumina catalyst. Current catalyst systems for the treatment of oxygen rich exhaust are capable of achieving only approximately 7 to 12% NO.sub.x reduction as a passive system and only 25 40% reduction when a supplemental hydrocarbon reductant is injected into the exhaust stream. It has been found that treatment of an oxygen rich exhaust initially with a non-thermal plasma and followed by subsequent treatment with a metal doped .gamma.-alumina prepared by the sol gel method is capable of increasing the NO.sub.x reduction to a level of approximately 90% in the absence of SO.sub.2 and 80% in the presence of 20 ppm of SO.sub.2. Especially useful metals have been found to be indium, gallium, and tin.

Aardahl, Christopher L. (Richland, WA); Balmer-Miller, Mari Lou (West Richland, WA); Chanda, Ashok (Peoria, IL); Habeger, Craig F. (West Richland, WA); Koshkarian, Kent A. (Peoria, IL); Park, Paul W. (Peoria, IL)

2006-07-25T23:59:59.000Z

82

Robust Strategy for Intake Leakage Detection in Diesel Engines  

E-Print Network [OSTI]

Robust Strategy for Intake Leakage Detection in Diesel Engines Riccardo Ceccarelli , Philippe are provided using advanced Diesel engine developed under AMEsim. I. INTRODUCTION The modern Diesel engine has of the functioning of a air-path in a Diesel engine with exhaust gas recirculation circuit is presented. More

Boyer, Edmond

83

Diesel Health Impacts & Recent Comparisons to Other Fuels  

Broader source: Energy.gov (indexed) [DOE]

ALAPCO, 2000) * Studies in California reveal that more than 70% of cancer risk from air pollution comes from diesel exhaust alone. (SCAQMD, MATES II, 2000) * A recent...

84

Active Diesel Emission Control Technology for Sub-50 HP Engines...  

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

Sub-50 HP Engines with Low Exhaust Temperature Profiles Active Diesel Emission Control Technology for Sub-50 HP Engines with Low Exhaust Temperature Profiles A new type of emission...

85

Renewable Diesel  

Broader source: Energy.gov (indexed) [DOE]

Renewable Diesel Paraffinic (C 13 -C 18 ) No Oxygen No Double Bonds In Heart of Diesel Fuel (C 10 -C 22 ) High Cetane Feedstock Independent Cold Flow...

86

Fault Tolerant Oxygen Control of a Diesel Engine Air System  

E-Print Network [OSTI]

Fault Tolerant Oxygen Control of a Diesel Engine Air System Rainer Nitsche Matthias Bitzer control problem of a Diesel engine air system having a jammed Exhaust Gas Recirculation (EGR) valve of the air system. Keywords: Fault tolerant control, Diesel engine, Air system, Model-based trajectory

Paris-Sud XI, Université de

87

The effect of lubricant derived ash on the catalytic activity of diesel particulate filters  

E-Print Network [OSTI]

A diesel particulate filter (DPF) is an aftertreatment device used to remove hazardous particulate matter (PM) from diesel engine exhaust. Modem emission restrictions have limited the acceptable amount of PM output by ...

Murray, Timothy Quinn

2014-01-01T23:59:59.000Z

88

Full Useful Life (120,000 miles) Exhaust Emission Performance...  

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

Full Useful Life (120,000 miles) Exhaust Emission Performance of a NOx Adsorber and Diesel Particle Filter Equipped Passenger Car and Medium-Duty Engine in Conjunction with...

89

Nitrogen oxide removal using diesel fuel and a catalyst  

DOE Patents [OSTI]

Hydrocarbons, such as diesel fuel, are added to internal combustion engine exhaust to reduce exhaust NO.sub.x in the presence of a amphoteric catalyst support material. Exhaust NO.sub.x reduction of at least 50% in the emissions is achieved with the addition of less than 5% fuel as a source of the hydrocarbons.

Vogtlin, George E. (Fremont, CA); Goerz, David A. (Brentwood, CA); Hsiao, Mark (San Jose, CA); Merritt, Bernard T. (Livermore, CA); Penetrante, Bernie M. (San Ramon, CA); Reynolds, John G. (San Ramon, CA); Brusasco, Ray (Livermore, CA)

2000-01-01T23:59:59.000Z

90

Update on Diesel Exhaust Emission Control  

Broader source: Energy.gov (indexed) [DOE]

Control Tim Johnson August 26, 2003 Regulations and Approaches 3 Euro IV and Japan 2005 are coming next, with significant PM and NOx tightening; US2007 goes further; US2010 very...

91

Educating Consumers: New Content on Diesel Vehicles, Diesel Exhaust Fluid,  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat PumpRecord ofESPC ENABLE: ECM Summary ECM IncludedEcoHousein theofand Selective

92

Exhaust gas recirculation in a homogeneous charge compression ignition engine  

DOE Patents [OSTI]

A homogeneous charge compression ignition engine operates by injecting liquid fuel directly in a combustion chamber, and mixing the fuel with recirculated exhaust and fresh air through an auto ignition condition of the fuel. The engine includes at least one turbocharger for extracting energy from the engine exhaust and using that energy to boost intake pressure of recirculated exhaust gas and fresh air. Elevated proportions of exhaust gas recirculated to the engine are attained by throttling the fresh air inlet supply. These elevated exhaust gas recirculation rates allow the HCCI engine to be operated at higher speeds and loads rendering the HCCI engine a more viable alternative to a conventional diesel engine.

Duffy, Kevin P. (Metamora, IL); Kieser, Andrew J. (Morton, IL); Rodman, Anthony (Chillicothe, IL); Liechty, Michael P. (Chillicothe, IL); Hergart, Carl-Anders (Peoria, IL); Hardy, William L. (Peoria, IL)

2008-05-27T23:59:59.000Z

93

West Virginia Diesel Study, CRADA MC96-034, Final Report  

SciTech Connect (OSTI)

The global objective of the recently completed Phase 1 of the West Virginia Diesel Study, at West Virginia University, was to evaluate mass emission rates of exhaust emissions from diesel powered equipment specified by the West Virginia Diesel Equipment Commission. The experimental data generated in this study has been utilized by the West Virginia Diesel Equipment Commission to promulgate initial rules, requirements and standards governing the operation of diesel equipment in underground coal mines.

M. Gautam

1998-08-05T23:59:59.000Z

94

CARB Verification of Catalyzed Diesel Particulate Filters for...  

Broader source: Energy.gov (indexed) [DOE]

YR CATERPILLAR3406C2000, 14 Liter, 470 bhp @ 1800rpm * Fuel: California Diesel "red dye" 2, max. 500ppm Sulfur * EnviCat 2051, 15" Dia x 15" L, 200cpsi * Exhaust Temperature...

95

Studies on catalytic and structural properties of BaRuO3 type perovskite1 material for diesel soot oxidation2  

E-Print Network [OSTI]

1 Studies on catalytic and structural properties of BaRuO3 type perovskite1 material for diesel by co-precipitation24 method and its catalytic activity has been tested for diesel soot oxidation processes and vehicle exhaust.33 Key words: BaRuO3, perovskite, diesel soot oxidation, vehicular exhaust

Paris-Sud XI, Université de

96

Exhaust emissions from two intercity passenger locomotives  

SciTech Connect (OSTI)

To enhance the effectiveness of intercity passenger rail service in mitigating exhaust emissions in California, the California Department of Transportation (Caltrans) included limits on exhaust emissions in its intercity locomotive procurement specifications. Because there were no available exhaust emission test data on which emission reduction goals could be based, Caltrans funded a test program to acquire gaseous and particulate exhaust emissions data, along with smoke opacity data, from two state-of-the-art intercity passenger locomotives. The two passenger locomotives (an EMD F59PH and a GE DASH8-32BWH) were tested at the Association of American Railroads Chicago Technical Center. The EMD locomotive was equipped with a separate Detroit Diesel Corporation (DDC) 8V-149 diesel engine used to provide 480 V AC power for the trailing passenger cars. This DDC engine was also emission tested. These data were used to quantify baseline exhaust emission levels as a challenge to locomotive manufacturers to offer new locomotives with reduced emissions. Data from the two locomotive engines were recorded at standard fuel injection timing and with the fuel injection timing retarded 4 deg in an effort to reduce NO[sub x] emissions. Results of this emissions testing were incorporated into the Caltrans locomotive procurement process by including emission performance requirements in the Caltrans intercity passenger locomotive specification, and therefore in the procurement decision. This paper contains steady-state exhaust emission test results for hydrocarbons (HC), carbon monoxide (CO), oxides of nitrogen (NO[sub x]), and particulate matter (PM) from the two locomotives. Computed sulfur dioxide (SO[sub 2]) emissions are also given, and are based on diesel fuel consumption and sulfur content. Exhaust smoke opacity is also reported.

Fritz, S.G. (Southwest Research Inst., San Antonio, TX (United States). Dept. of Emissions Research)

1994-10-01T23:59:59.000Z

97

Diesel particulate filter with zoned resistive heater  

SciTech Connect (OSTI)

A diesel particulate filter assembly comprises a diesel particulate filter (DPF) and a heater assembly. The DPF filters a particulate from exhaust produced by an engine. The heater assembly has a first metallic layer that is applied to the DPF, a resistive layer that is applied to the first metallic layer, and a second metallic layer that is applied to the resistive layer. The second metallic layer is etched to form a plurality of zones.

Gonze, Eugene V [Pinckney, MI

2011-03-08T23:59:59.000Z

98

Exhaust emission control and diagnostics  

DOE Patents [OSTI]

A diesel engine emission control system uses an upstream oxidation catalyst and a downstream SCR catalyst to reduce NOx in a lean exhaust gas environment. The engine and upstream oxidation catalyst are configured to provide approximately a 1:1 ratio of NO to NO2 entering the downstream catalyst. In this way, the downstream catalyst is insensitive to sulfur contamination, and also has improved overall catalyst NOx conversion efficiency. Degradation of the system is determined when the ratio provided is no longer near the desired 1:1 ratio. This condition is detected using measurements of engine operating conditions such as from a NOx sensor located downstream of the catalysts. Finally, control action to adjust an injected amount of reductant in the exhaust gas based on the actual NO to NO2 ratio upstream of the SCR catalyst and downstream of the oxidation catalyst.

Mazur, Christopher John; Upadhyay, Devesh

2006-11-14T23:59:59.000Z

99

Intra-channel mass and heat-transfer modeling in diesel oxidation catalysts  

E-Print Network [OSTI]

02FCC-140 Intra-channel mass and heat-transfer modeling in diesel oxidation catalysts Kalyana transfer in modeling the performance of diesel oxidation catalysts. Many modeling studies have assumed experimental measurements of CO and hydrocarbon oxidation in diesel exhaust re- veal that actual mass

Tennessee, University of

100

MODELING AND CONTROL OF A DIESEL HCCI ENGINE  

E-Print Network [OSTI]

MODELING AND CONTROL OF A DIESEL HCCI ENGINE J. Chauvin A. Albrecht G. Corde N. Petit Institut of the airpath of a Diesel HCCI engine supported by experimental results. Moreover, we propose a simple, yet Ignition (HCCI) ­ has be- come of major interest. It requires the use of high Exhaust Gas Recirculation

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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.


101

Diesel particulate filter (DPF) regeneration by electrical heating of resistive coatings  

DOE Patents [OSTI]

An exhaust system that processes exhaust generated by an engine includes a diesel particulate filter (DPF) that is disposed downstream of the engine and that filters particulates from the exhaust. An electrical heater is integrally formed in an upstream end of the DPF and selectively heats the exhaust to initiate combustion of the particulates within the exhaust as it passes therethrough. Heat generated by combustion of the particulates induces combustion of particulates within the DPF.

Williamson, Weldon S. (Malibu, CA); Gonze, Eugene V. (Pinckney, MI)

2008-12-30T23:59:59.000Z

102

Ethanol fuel for diesel tractors  

SciTech Connect (OSTI)

The use of ethanol fuel in turbocharged diesel tractors is considered. The investigation was performed to evaluate the conversion of a diesel tractor for dual-fueling with ethanol by attaching a carburetor to the inlet air system or with the use of an alcohol spray-injection kit. In this system the mixture of water and alcohol is injected into the air stream by means of pressure from the turbocharger. The carburetor was attached to a by-pass apparatus which allowed the engine to start and shut off on diesel alone. Approximately 46% of the energy for the turbocharged 65 kW diesel tractor could be supplied by carbureted ethanol, and about 30% by the spray-injection approach. Knock limited the extent of substitution of ethanol for diesel fuel. The dual-fueling with ethanol caused a slight increase in brake thermal efficiency. Exhaust temperatures were much lower for equivalent high torque levels. Maximum power was increased by 36% with the spray-injection approach and about 59% with carburetion.

da Cruz, J.M.

1981-01-01T23:59:59.000Z

103

Commentary Biodiesel Exhaust: The Need for Health Effects Research  

E-Print Network [OSTI]

BACKGROUND: Biodiesel is a diesel fuel alternative that has shown potential of becoming a commercially accepted part of the United States ’ energy infrastructure. In November 2004, the signing of the Jobs Creation Bill HR 4520 marked an important turning point for the future production of biodiesel in the United States because it offers a federal excise tax credit. By the end of 2005, industry production was 75 million gallons, a 300 % increase in 1 year. Current industry capacity, however, stands at just over 300 million gallons/year, and current expansion and new plant construction could double the industry’s capacity within a few years. Biodiesel exhaust emission has been extensively characterized under field and laboratory conditions, but there have been limited cytotoxicity and mutagenicity studies on the effects of biodiesel exhaust in biologic systems. OBJECTIVES: We reviewed pertinent medical literature and addressed recommendations on testing specific research needs in the field of biodiesel toxicity. DISCUSSION: Employment of biodiesel fuel is favorably viewed, and there are suggestions that its exhaust emissions are less likely to present any risk to human health relative to petroleum diesel emissions. CONCLUSION: The speculative nature of a reduction in health effects based on chemical composition of biodiesel exhaust needs to be followed up with investigations in biologic systems. KEY WORDS: air pollution, biodiesel, diesel exhaust, diesel fuels, lung diseases, vehicle emissions. Environ Health Perspect 115:496–499 (2007). doi:10.1289/ehp.9631 available via

Kimberly J. Swanson; Michael C. Madden; Andrew J. Ghio

2007-01-01T23:59:59.000Z

104

Emissions from Trucks using Fischer-Tropsch Diesel Fuel  

SciTech Connect (OSTI)

The Fischer-Tropsch (F-T) catalytic conversion process can be used to synthesize diesel fuels from a variety of feedstocks, including coal, natural gas and biomass. Synthetic diesel fuels can have very low sulfur and aromatic content, and excellent autoignition characteristics. Moreover, Fischer-Tropsch diesel fuels may also be economically competitive with California B- diesel fuel if produced in large volumes. overview of Fischer-Tropsch diesel fuel production and engine emissions testing is presented. Previous engine laboratory tests indicate that F-T diesel is a promising alternative fuel because it can be used in unmodified diesel engines, and substantial exhaust emissions reductions can be realized. The authors have performed preliminary tests to assess the real-world performance of F-T diesel fuels in heavy-duty trucks. Seven White-GMC Class 8 trucks equipped with Caterpillar 10.3 liter engines were tested using F-T diesel fuel. Vehicle emissions tests were performed using West Virginia University's unique transportable chassis dynamometer. The trucks were found to perform adequately on neat F-T diesel fuel. Compared to a California diesel fuel baseline, neat F-T diesel fuel emitted about 12% lower oxides of nitrogen (NOx) and 24% lower particulate matter over a five-mile driving cycle.

Paul Norton; Keith Vertin; Brent Bailey; Nigel N. Clark; Donald W. Lyons; Stephen Goguen; James Eberhardt

1998-10-19T23:59:59.000Z

105

Emissions of Transport Refrigeration Units with CARB Diesel, Gas-to-Liquid Diesel, and Emissions Control Devices  

SciTech Connect (OSTI)

A novel in situ method was used to measure emissions and fuel consumption of transport refrigeration units (TRUs). The test matrix included two fuels, two exhaust configurations, and two TRU engine operating speeds. Test fuels were California ultra low sulfur diesel and gas-to-liquid (GTL) diesel. Exhaust configurations were a stock muffler and a Thermo King pDPF diesel particulate filter. The TRU engine operating speeds were high and low, controlled by the TRU user interface. Results indicate that GTL diesel fuel reduces all regulated emissions at high and low engine speeds. Application of a Thermo King pDPF reduced regulated emissions, sometimes almost entirely. The application of both GTL diesel and a Thermo King pDPF reduced regulated emissions at high engine speed, but showed an increase in oxides of nitrogen at low engine speed.

Barnitt, R. A.; Chernich, D.; Burnitzki, M.; Oshinuga, A.; Miyasato, M.; Lucht, E.; van der Merwe, D.; Schaberg, P.

2010-05-01T23:59:59.000Z

106

Theoretical study of Diesel fuel reforming by a non-thermal arc discharge A. Lebouvier1,2  

E-Print Network [OSTI]

Theoretical study of Diesel fuel reforming by a non-thermal arc discharge A. Lebouvier1,2 , G anti-pollution norm namely for Diesel powered vehicles. NOx (NO, NO2,...) are very irritant pollutants- nologies purge is the use of non-thermal plasma. Plasma reforming of diesel fuel and exhaust gas mix- ture

Paris-Sud XI, Université de

107

On-Board Diesel & Hybrid Diesel-Electric Transit Bus PM  

E-Print Network [OSTI]

& particles · Originally Dynamometer On-road study · Particle Mass & Number Emissions ­ On-board emissions Particulate Mass -- filter #12;Motivation · Ultrafine (UF) particle health effects · Diesel vehicle exhaust AC DC BATTERY Pure electrical torque -- accel fr. stop Pure mechanical torque -- maintain highway

Holmén, Britt A.

108

Evaluation of Brayton and Rankine alternatives for diesel waste heat exploitation  

SciTech Connect (OSTI)

A diesel engine may produce exhaust-gas thermal energy in excess of that needed for turbocharging. Alternatives for exploitation of the energy by producing work may be direct expansion through a gas turbine (completing a Brayton cycle that begins with the engine's compression and combustion), or transfer of heat into a Rankine cycle. It is demonstrated that either alternative may have a domain in which it is superior in work done, or in exhaust volume per unit mass of diesel exhaust. Computation models are developed and demonstrated for finding the boundaries along which the Rankine and Brayton alternatives have equal merit in either work or exhaust volume.

Woodward, J.B. (Univ. of Michigan, Ann Arbor, MI (United States). Naval Architecture and Marine Engineering)

1994-01-01T23:59:59.000Z

109

2009-01-0366 In-cylinder Burned Gas Rate Estimation and Control on VVA Diesel Engines  

E-Print Network [OSTI]

the combustion cham- bers of turbocharged Diesel engines equipped with low pressure EGR loop and VVA actuator. We engine. Using a high Exhaust Gas Recirculation (EGR) rate along with advanced combustion timing allows Monoxides (CO) emissions. To compensate the exhaust temperature reduction, an Internal Exhaust Gas

110

E-Print Network 3.0 - acetaldehyde Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and formaldehyde se... . The effects of 1,3-propanediol and O2 reactant pressures on acrolein and acetaldehyde formation rates (430 K Source: Iglesia, Enrique - Department of...

111

The Diesel Engine Powering Light-Duty Vehicles: Today and Tomorrow  

Broader source: Energy.gov (indexed) [DOE]

diesel-powered light-duty vehicles 1990 1995 2000 2005 2010 2015 2020 2025 Energy Greenhouse effect CO 2 Exhaust gas emissions CO, NO x , HC, PM Importance Environmental driving...

112

Reformulated diesel fuel  

DOE Patents [OSTI]

Reformulated diesel fuels for automotive diesel engines which meet the requirements of ASTM 975-02 and provide significantly reduced emissions of nitrogen oxides (NO.sub.x) and particulate matter (PM) relative to commercially available diesel fuels.

McAdams, Hiramie T [Carrollton, IL; Crawford, Robert W [Tucson, AZ; Hadder, Gerald R [Oak Ridge, TN; McNutt, Barry D [Arlington, VA

2006-03-28T23:59:59.000Z

113

Cleaning Up Diesel Engines  

Broader source: Energy.gov (indexed) [DOE]

Other Mobile Sources Off-Road Diesel Equipment Heavy-Duty Diesel Trucks Diesel Ships, Trains PM 2.5 Emissions Trend PM 2.5 Emissions Trend California Emissions From the 2005...

114

Atmospheric Environment 38 (2004) 14171423 Measurements of ion concentration in gasoline and diesel  

E-Print Network [OSTI]

Atmospheric Environment 38 (2004) 1417­1423 Measurements of ion concentration in gasoline of a gasoline engine (K-car) and a diesel engine (diesel generator). Under the experimental set-up reported all of the ions smaller than 3 nm in the gasoline engine exhaust, and is above 2.7 � 108 cm�3

Yu, Fangqun

115

Diesel Aerosol Sampling in the Atmosphere  

SciTech Connect (OSTI)

The University of Minnesota Center for Diesel Research along with a research team including Caterpillar, Cummins, Carnegie Mellon University, West Virginia University (WVU), Paul Scherrer Institute in Switzerland, and Tampere University in Finland have performed measurements of Diesel exhaust particle size distributions under real-world dilution conditions. A mobile aerosol emission laboratory (MEL) equipped to measure particle size distributions, number concentrations, surface area concentrations, particle bound PAHs, as well as CO 2 and NO x concentrations in real time was built and will be described. The MEL was used to follow two different Cummins powered tractors, one with an older engine (L10) and one with a state-of-the-art engine (ISM), on rural highways and measure particles in their exhaust plumes. This paper will describe the goals and objectives of the study and will describe representative particle size distributions observed in roadway experiments with the truck powered by the ISM engine.

David Kittelson; Jason Johnson; Winthrop Watts; Qiang Wei; Marcus Drayton; Dwane Paulsen; Nicolas Bukowiecki

2000-06-19T23:59:59.000Z

116

Standby gen-set meets increased noise, exhaust emissions standards  

SciTech Connect (OSTI)

Atlantic Detroit Diesel-Allison worked with Floyd Manufacturing to develop an enclosure that would address the noise and exhaust requirements for standby generator sets. Specially designed sound baffles knock down the sound in critical areas. An architectural sound insulated wall further isolates the noise. The installation is equipped with a DeSOP oxidation silencer with a sound attenuation rating of 53 dB(A). The silencer incorporates a catalytic converter that reduces CO, VOC, SO[sub 2] and particulates in the 80 to 90% range. Diesel odor is virtually eliminated. 3 figs.

McNeely, M.

1994-10-01T23:59:59.000Z

117

Comparing the Performance of SunDiesel and Conventional Diesel...  

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

the Performance of SunDiesel and Conventional Diesel in a Light-Duty Vehicle and Engines Comparing the Performance of SunDiesel and Conventional Diesel in a Light-Duty Vehicle and...

118

Impact of Fuel Metal Impurities on the Durability of a Light-Duty Diesel Aftertreatment System  

SciTech Connect (OSTI)

Alkali and alkaline earth metal impurities found in diesel fuels are potential poisons for diesel exhaust catalysts. A set of diesel engine production exhaust systems was aged to 150,000 miles. These exhaust systems included a diesel oxidation catalyst, selective catalytic reduction (SCR) catalyst, and diesel particulate filter (DPF). Four separate exhaust systems were aged, each with a different fuel: ultralow sulfur diesel containing no measureable metals, B20 (a common biodiesel blend) containing sodium, B20 containing potassium, and B20 containing calcium, which were selected to simulate the maximum allowable levels in B100 according to ASTM D6751. Analysis included Federal Test Procedure emissions testing, bench-flow reactor testing of catalyst cores, electron probe microanalysis (EPMA), and measurement of thermo-mechanical properties of the DPFs. EPMA imaging found that the sodium and potassium penetrated into the washcoat, while calcium remained on the surface. Bench-flow reactor experiments were used to measure the standard nitrogen oxide (NOx) conversion, ammonia storage, and ammonia oxidation for each of the aged SCR catalysts. Vehicle emissions tests were conducted with each of the aged catalyst systems using a chassis dynamometer. The vehicle successfully passed the 0.2 gram/mile NOx emission standard with each of the four aged exhaust systems.

Williams, A.; Burton, J.; McCormick, R. L.; Toops, T.; Wereszczak, A. A.; Fox, E. E.; Lance, M. J.; Cavataio, G.; Dobson, D.; Warner, J.; Brezny, R.; Nguyen, K.; Brookshear, D. W.

2013-04-01T23:59:59.000Z

119

Exhaust gas recirculation apparatus  

SciTech Connect (OSTI)

Apparatus is disclosed for recirculating combustion exhaust gases to the burner region of a Stirling cycle hot-gas engine to lower combustion temperature and reduct NO/sub x/ formation includes a first wall separating the exhaust gas stream from the inlet air stream, a second wall separating the exhaust gas stream from the burner region, and low flow resistance ejectors formed in the first and second walls for admitting the inlet air to the burner region and for entraining and mixing with the inlet air portion of the exhaust gas stream. In a preferred embodiment the ejectors are arranged around the periphery of a cylindrical burner region and oriented to admit the air/exhaust gas mixture tangentially to promote mixing. In another preferred embodiment a single annular ejector surrounds and feeds the air/exhaust gas mixture to a cylindrical burner region. The annular ejector includes an annular plate with radially-directed flow passages to provide an even distribution of the air/exhaust gas mixture to the burner region.

Egnell, R.A.; Hansson, B.L.

1981-07-14T23:59:59.000Z

120

Study of Performance Characteristics of Diesel Engine Fuelled with Diesel, Yellow Grease Biodiesel and its Blends  

E-Print Network [OSTI]

Abstract — The feedstock used in our experiment for the production of biodiesel was Yellow Grease. The whole experiment was divided into two parts: Production and Testing. Production involves Transesterification of free fatty acids in yellow grease to form yellow grease alkyl esters. The process of testing involved calculation of the physio – chemical properties, acid value, density, kinematics viscosity and various performance characteristics. The properties obtained were similar to the standards of biodiesel set by ASTM D6751. The conclusions derived from the experiments conducted were that the break thermal efficiency with biodiesel blends was little lower than that of diesel. The break specific energy consumption for B20, B40, B60, B80 and B100 is slightly higher than neat diesel. At all loads, diesel was found to have the lowet exhaust tempearture and the temperature for the different blends showed the upward trend with increasing concentration of biodiesel in the blends.

Virender Singh; Shubham Saxena; Shibayan Ghosh; Ankit Agrawal

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Analysis Of Exhaust Emission Of Internal Combustion Engine Using Biodiesel Blend  

E-Print Network [OSTI]

Abstract-The main purpose of this research is to study the effect of various blends of an environmental friendly alternative fuel such as biodiesel on the performance of diesel engine. In the Present investigation experimental work has been carried out to analyze the performance and exhaust emission characteristics of a single cylinder internal combustion engine fuelled with biodiesel blend at the different load. In this experiment the biodiesel which is use as a waste cooking oil (WCO) biodiesel.To investigation of the emission characteristics of the engine loads, which is supplied from the alternator. The experiment was carried out different load i.e. (NO LOAD, 100W 200W, 500W, 1000W, 1500W, 2000W, 2500W & 3000Watt) at engine speed 1500 rpm/min. A test was applied in which an engine was fuel with diesel and seven different blends of diesel. Biodiesel (B5, B10, B20, B40, B60, B80, B100) made from waste cooking oil and the results were analyzed.The emission of were measured carbon monoxide (CO), hydrocarbon carbon(HC), Oxides of nitrogen (NOX) and oxygen ().The experimental results will be compared with biodiesel blends and diesel. The biodiesel results of (WCO) in lower emission of hydro carbon (HC) and (CO) and increase emission of (NO2). This study showed that the results of exhaust emission of biodiesel blends were lower than the diesel fuel. Keyword- Biodiesel (WCO), diesel engine, gas analyzer, Exhaust emission. I.

Suvendu Mohanty; Dr. Om Prakash; Reasearch Scholar

122

DIESEL FUEL TANK FOUNDATIONS  

SciTech Connect (OSTI)

The purpose of this analysis is to design structural foundations for the Diesel Fuel Tank and Fuel Pumps.

M. Gomez

1995-01-18T23:59:59.000Z

123

GASOLINE VEHICLE EXHAUST PARTICLE SAMPLING STUDY  

SciTech Connect (OSTI)

The University of Minnesota collaborated with the Paul Scherrer Institute, the University of Wisconsin (UWI) and Ricardo, Inc to physically and chemically characterize the exhaust plume from recruited gasoline spark ignition (SI) vehicles. The project objectives were: (1) Measure representative particle size distributions from a set of on-road SI vehicles and compare these data to similar data collected on a small subset of light-duty gasoline vehicles tested on a chassis dynamometer with a dilution tunnel using the Unified Drive Cycle, at both room temperature (cold start) and 0 C (cold-cold start). (2) Compare data collected from SI vehicles to similar data collected from Diesel engines during the Coordinating Research Council E-43 project. (3) Characterize on-road aerosol during mixed midweek traffic and Sunday midday periods and determine fleet-specific emission rates. (4) Characterize bulk- and size-segregated chemical composition of the particulate matter (PM) emitted in the exhaust from the gasoline vehicles. Particle number concentrations and size distributions are strongly influenced by dilution and sampling conditions. Laboratory methods were evaluated to dilute SI exhaust in a way that would produce size distributions that were similar to those measured during laboratory experiments. Size fractionated samples were collected for chemical analysis using a nano-microorifice uniform deposit impactor (nano-MOUDI). In addition, bulk samples were collected and analyzed. A mixture of low, mid and high mileage vehicles were recruited for testing during the study. Under steady highway cruise conditions a significant particle signature above background was not measured, but during hard accelerations number size distributions for the test fleet were similar to modern heavy-duty Diesel vehicles. Number emissions were much higher at high speed and during cold-cold starts. Fuel specific number emissions range from 1012 to 3 x 1016 particles/kg fuel. A simple relationship between number and mass emissions was not observed. Data were collected on-road to compare weekday with weekend air quality around the Twin Cities area. This portion of the study resulted in the development of a method to apportion the Diesel and SI contribution to on-road aerosol.

Kittelson, D; Watts, W; Johnson, J; Zarling, D Schauer,J Kasper, K; Baltensperger, U; Burtscher, H

2003-08-24T23:59:59.000Z

124

Effect of Exhaust Gas Recirculation (EGR) on Diesel Engine Oil...  

Broader source: Energy.gov (indexed) [DOE]

Properties Affecting Fuel Economy and Engine Wear Effects of Fuel Dilution with Biodiesel on Lubricant Acidity, Oxidation and Corrosion Engine Lubricants: Trends and Challenges...

125

Engine performance and exhaust emissions from a diesel  

E-Print Network [OSTI]

32 Piassava 1112 9 Cotton 273 33 Gopher Plant 1119 10 Hemp 305 34 Castor Bean 1188 11 Soybean 375 35 Bacuri 1197 12 Coffee 386 36 Pecan 1505 13 Linseed 402 37 Jojoba 1528 14 Hazelnut 405 38 Babassu Palm 1541 15 Euphorbia 440 39 Jatropha 1590...

Powell, Jacob Joseph

2009-05-15T23:59:59.000Z

126

Mechanisms of Oxidation-Enhanced Wear in Diesel Exhaust Valves...  

Broader source: Energy.gov (indexed) [DOE]

of wear oxidation microstructures of alloys Fe-, Ni-, Co-alloys h T h i h v Combined plastic deformation, wear, and oxidation on both valve and seat surfaces 6 Managed by...

127

ON CONDITION MONITORING OF EXHAUST VALVES IN MARINE DIESEL ENGINES  

E-Print Network [OSTI]

with artificially in­ duced valve burn­through situations. The primary potential mon­ itoring measurements were engine performance. Further, during the expansion stroke at engine­builder specific timing, to lift its seat and thereby provide scavenge (from scavenge air system) of the polluted air in the cylinder

Mosegaard, Klaus

128

Diesel Particulate Filter: A Success for Faurecia Exhaust Systems  

Broader source: Energy.gov (indexed) [DOE]

Technical Key points * FBC to lower the temperature of soot combustion process * Fresh nano-crystal catalyst is continuously delivered in the soot * Homogeneous Catalyst...

129

Impact of Fuel Metal Impurities on Diesel Exhaust Catalysts  

Broader source: Energy.gov (indexed) [DOE]

Alliance for Sustainable Energy, LLC Approach * Aged catalysts from a Ford F250 with biodiesel fuel containing Na, K and Ca. * Emissions measurement conducted after 150,000 miles...

130

Partitioning of Volatile Organics in Diesel Particulate and Exhaust |  

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

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131

Lubricant Formulation and Consumption Effects on Diesel Exhaust Ash  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department of Energy Low-Temperature Combustion DemonstratorEast Fork Poplar6

132

Diesel Exhaust Dispersion in a Phospholipid Lung Surfactant | Department of  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat Pump Models |Conduct, Parent CompanyaUSAMPRelated

133

Diesel Particulate Filter: A Success for Faurecia Exhaust Systems |  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat Pump Models |Conduct, Parent CompanyaUSAMPRelatedEnergy Fuel:Applications

134

Exhaust Heat Recovery for Rural Alaskan Diesel Generators | Department of  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat PumpRecord ofESPCof EnergyHouse11 DOEExhaust energy recovery2010Energy

135

Preserving Diesel Exhaust Ultrafine (Nano-) Particulate Structure in  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l L d FNEPA/309 ReviewersProcess andFracFocusCommittee

136

Catalytic Filter for Diesel Exhaust Purification | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartmentTie Ltd:June 20154:04-21-2014InnovativeCatalyst-Assisted2010

137

How Exhaust Emissions Drive Diesel Engine Fuel Efficiency | Department of  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensional Subject:Ground HawaiiWasteDepartmentHoney,in theEnergy How

138

Hydrogen generation from plasmatron reformers and use for diesel exhaust  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensionalthe U.S. Department of Energy and the Federalas a

139

In Vitro Genotoxicity of Gasoline and Diesel Engine Vehicle Exhaust  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensionalthe U.S. Improving Fan System Performance aEnginesInEnergy

140

NO2 Management in Diesel Exhaust System | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l L d F S i DOEToward aInnovation |NEXT STEPSEnergy Waste DisposalNO2

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

An Accelerated Aging Method for Diesel Exhaust Aftertreatment Systems |  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartment ofEnergy Natural Gas:Austin, TMOAB,Motor ChallengeAmy

142

Update on Diesel Exhaust Emission Control Technology and Regulations |  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of EnergyTheTwo New12.'6/0.2 ...... 13:27 FAXChallengesDepartment of

143

Update on Diesel Exhaust Emission Control | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of EnergyTheTwo New12.'6/0.2 ...... 13:27 FAXChallengesDepartment

144

Join Diesel: Concurrency Primitives for Diesel Peter-Michael Osera  

E-Print Network [OSTI]

Join Diesel: Concurrency Primitives for Diesel Peter-Michael Osera psosera to the Diesel programming language, entitled Join Diesel. We describe the design decisions and trade-offs made in integrating these concurrency primitives into the Diesel language. We also give a typechecking algorithm

Plotkin, Joshua B.

145

Utilization of alternative fuels in diesel engines  

SciTech Connect (OSTI)

The important findings for a 41-month research grant entitled The Utilization of Alternate Fuels in Diesel Engines are summarized. The procedure followed was to collect performance and emission data for various candidate alternate fuels and compare these data to that for a certified petroleum-based number two Diesel fuel oil. The method of test-fuel introduction was either via fumigation or to use the engine stock injection system. Results for methanol, ethanol, four vegetable oils, two shale-derived oils, and two coal-derived oils are reported. Based upon this study, alcohol fumigation does not appear to be a practical method for utilizing low combustion quality fuels in a Diesel engine. The reasons being, the need for a complex fuel management system and a narrow operating range bounded by wet misfire on the low load end and by severe knock at medium to high loads. Also, it was misfire on the low load end and by severe knock at medium to high loads. Also, it was found that alcohol fumigation enhances the bioactivity of the emitted exhaust particles. Finally, this study showed that while it is possible to inject many synthetic fuels using the engine stock injection system, wholly acceptable performance is only obtained from a fuel whose specifications closely approach those of a finished petroleum-based Diesel oil.

Lestz, S.S.

1984-05-01T23:59:59.000Z

146

ELECTRONIC FUEL INJECTION DIESEL LOCOMOTIVES  

E-Print Network [OSTI]

ELECTRONIC FUEL INJECTION FOR DIESEL LOCOMOTIVES 13 August, 2011 Diesel Loco Modernisation Works, Patiala #12;ELECTRONIC FUEL INJECTION FOR DIESEL LOCOMOTIVES A Milestone in Green Initiatives by Indian Diesel Locomotive equipped with "Electronic Fuel Injection (EFI)" was turned out by the Diesel Loco

Jagannatham, Aditya K.

147

Coal-fueled diesel: Technology development: Final report  

SciTech Connect (OSTI)

This project consisted of four tasks: (1) to determine if CWM could be ignited and burned rapidly enough for operation in a 1000-rpm diesel engine, (2) to demonstrate that a durable CWM-fueled engine could in principle be developed, (3) to assess current emissions control technology to determine the feasibility of cleaning the exhaust of a CWM-fueled diesel locomotive, and (4) to conduct an economic analysis to determine the attractiveness of powering US locomotives with CWM. 34 refs., 125 figs., 28 tabs.

Leonard, G.; Hsu, B.; Flynn, P.

1989-03-01T23:59:59.000Z

148

Drive cycle analysis of butanol/diesel blends in a light-duty vehicle.  

SciTech Connect (OSTI)

The potential exists to displace a portion of the petroleum diesel demand with butanol and positively impact engine-out particulate matter. As a preliminary investigation, 20% and 40% by volume blends of butanol with ultra low sulfur diesel fuel were operated in a 1999 Mercedes Benz C220 turbo diesel vehicle (Euro III compliant). Cold and hot start urban as well as highway drive cycle tests were performed for the two blends of butanol and compared to diesel fuel. In addition, 35 MPH and 55 MPH steady-state tests were conducted under varying road loads for the two fuel blends. Exhaust gas emissions, fuel consumption, and intake and exhaust temperatures were acquired for each test condition. Filter smoke numbers were also acquired during the steady-state tests.

Miers, S. A.; Carlson, R. W.; McConnell, S. S.; Ng, H. K.; Wallner, T.; LeFeber, J.; Energy Systems; Esper Images Video & Multimedia

2008-10-01T23:59:59.000Z

149

Low emissions diesel fuel  

DOE Patents [OSTI]

A method and matter of composition for controlling NO.sub.x emissions from existing diesel engines. The method is achieved by adding a small amount of material to the diesel fuel to decrease the amount of NO.sub.x produced during combustion. Specifically, small amounts, less than about 1%, of urea or a triazine compound (methylol melamines) are added to diesel fuel. Because urea and triazine compounds are generally insoluble in diesel fuel, microemulsion technology is used to suspend or dissolve the urea or triazine compound in the diesel fuel. A typical fuel formulation includes 5% t-butyl alcohol, 4.5% water, 0.5% urea or triazine compound, 9% oleic acid, and 1% ethanolamine. The subject invention provides improved emissions in heavy diesel engines without the need for major modifications.

Compere, Alicia L. (Knoxville, TN); Griffith, William L. (Oak Ridge, TN); Dorsey, George F. (Farragut, TN); West, Brian H. (Kingston, TN)

1998-01-01T23:59:59.000Z

150

Low emissions diesel fuel  

DOE Patents [OSTI]

A method and matter of composition for controlling NO{sub x} emissions from existing diesel engines. The method is achieved by adding a small amount of material to the diesel fuel to decrease the amount of NO{sub x} produced during combustion. Specifically, small amounts, less than about 1%, of urea or a triazine compound (methylol melamines) are added to diesel fuel. Because urea and triazine compounds are generally insoluble in diesel fuel, microemulsion technology is used to suspend or dissolve the urea or triazine compound in the diesel fuel. A typical fuel formulation includes 5% t-butyl alcohol, 4.5% water, 0.5% urea or triazine compound, 9% oleic acid, and 1% ethanolamine. The subject invention provides improved emissions in heavy diesel engines without the need for major modifications.

Compere, A.L.; Griffith, W.L.; Dorsey, G.F.; West, B.H.

1998-05-05T23:59:59.000Z

151

Comparative urban drive cycle simulations of light-duty hybrid vehicles with gasoline or diesel engines and emissions controls  

SciTech Connect (OSTI)

Electric hybridization is a very effective approach for reducing fuel consumption in light-duty vehicles. Lean combustion engines (including diesels) have also been shown to be significantly more fuel efficient than stoichiometric gasoline engines. Ideally, the combination of these two technologies would result in even more fuel efficient vehicles. However, one major barrier to achieving this goal is the implementation of lean-exhaust aftertreatment that can meet increasingly stringent emissions regulations without heavily penalizing fuel efficiency. We summarize results from comparative simulations of hybrid electric vehicles with either stoichiometric gasoline or diesel engines that include state-of-the-art aftertreatment emissions controls for both stoichiometric and lean exhaust. Fuel consumption and emissions for comparable gasoline and diesel light-duty hybrid electric vehicles were compared over a standard urban drive cycle and potential benefits for utilizing diesel hybrids were identified. Technical barriers and opportunities for improving the efficiency of diesel hybrids were identified.

Gao, Zhiming [ORNL] [ORNL; Daw, C Stuart [ORNL] [ORNL; Smith, David E [ORNL] [ORNL

2013-01-01T23:59:59.000Z

152

Diesel prices slightly increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldieselDieselDieselDieselDiesel

153

Multi-SISO Robust Crone Design for the Air Path Control of a Diesel Engine G. Colin*, P. Lanusse**, A. Louzimi*,  

E-Print Network [OSTI]

Multi-SISO Robust Crone Design for the Air Path Control of a Diesel Engine G. Colin*, P. Lanusse is the air path control of a turbocharged diesel engine with Exhaust Gas Recirculation (EGR). Simulation, considering the air path control, the manipulated variables are the wastegate and the EGR valve

Boyer, Edmond

154

Diesel particles -a health hazard 1 Diesel particles  

E-Print Network [OSTI]

Diesel particles - a health hazard 1 Diesel particles - a health hazard #12;The Danish Ecological Council - August 20042 Diesel particles - a health hazard ISBN: 87-89843-61-4 Text by: Christian Ege 33150777 Fax no.: +45 33150971 E-mail: info@ecocouncil.dk www.ecocouncil.dk #12;Diesel particles - a health

155

Clean Diesel Engine Component Improvement Program Diesel Truck Thermoelectric Generator  

SciTech Connect (OSTI)

Hi-Z Technology, Inc. (Hi-Z) is currently developing four different auxiliary generator designs that are used to convert a portion (5 to 20%) of the waste heat from vehicle engines exhaust directly to electricity. The four designs range from 200 Watts to 10 kW. The furthest along is the 1 kW Diesel Truck Thermoelectric Generator (DTTEG) for heavy duty Class 8 Diesel trucks, which, under this program, has been subjected to 543,000 equivalent miles of bouncing and jarring on PACCARâ??s test track. Test experience on an earlier version of the DTTEG on the same track showed the need for design modifications incorporated in DTTEG Mod 2, such as a heavy duty shock mounting system and reinforcement of the electrical leads mounting system, the thermocouple mounting system and the thermoelectric module restraints. The conclusion of the 543,000 mile test also pointed the way for an upgrading to heavy duty hose or flex connections for the internal coolant connections for the TEG, and consideration of a separate lower temperature cooling loop with its own radiator. Fuel savings of up to $750 per year and a three to five year payback are believed to be possible with the 5 % efficiency modules. The economics are expected to improve considerably to approach a two year payback when the 5 kW to 10 kW generators make it to the market in a few years with a higher efficiency (20%) thermoelectric module system called Quantum Wells, which are currently under development by Hi-Z. Ultimately, as automation takes over to reduce material and labor costs in the high volume production of QW modules, a one year payback for the 5 kW to10 kW generator appears possible. This was one of the stated goals at the beginning of the project. At some future point in time, with the DTTEG becoming standard equipment on all trucks and automobiles, fuel savings from the 25% conversion of exhaust heat to useable electricity nationwide equates to a 10% reduction in the 12 to 15 million barrels per day of imported oil, that much less air pollution, and an equivalent reduction in the trade deficit, which is expected to lower the inflation rate.

N.B. Elsner; J.C. Bass; S. Ghamaty; D. Krommenhoek; A. Kushch; D. Snowden; S. Marchetti

2005-03-31T23:59:59.000Z

156

Diesel engine emissions reduction by multiple injections having increasing pressure  

DOE Patents [OSTI]

Multiple fuel charges are injected into a diesel engine combustion chamber during a combustion cycle, and each charge after the first has successively greater injection pressure (a higher injection rate) than the prior charge. This injection scheme results in reduced emissions, particularly particulate emissions, and can be implemented by modifying existing injection system hardware. Further enhancements in emissions reduction and engine performance can be obtained by using known measures in conjunction with the invention, such as Exhaust Gas Recirculation (EGR).

Reitz, Rolf D. (Madison, WI); Thiel, Matthew P. (Madison, WI)

2003-01-01T23:59:59.000Z

157

Natural gas fueling of a Catepillar 3406 diesel engine  

SciTech Connect (OSTI)

This paper reports on a Caterpillar 3406 turbocharged diesel engine which was converted to operate in a natural gas with diesel pilot ignition mode and was evaluated for performance and emission characteristics for both diesel and natural gas operation. Full-load power was achieved with natural gas fueling without knock. Similar fuel efficiencies were obtained with natural gas fueling at high loads, but efficiencies were lower for low loads. Bosch smoke numbers were reduced by over 50 percent with natural gas fueling for all cases investigated. NO[sub x] emissions were found to be lower at low loads and at high speeds under high load. CO emissions were significantly increased for natural gas fueling while CO[sub 2] concentrations in the exhaust were reduced for natural gas fueling.

Doughty, G.E.; Bell, S.R.; Midkiff, K.C. (Dept. of Mechanical Engineering, Univ. of Alabama, Tuscaloosa, AL (United States))

1992-07-01T23:59:59.000Z

158

Effects of Canola Biodiesel on a DI Diesel Engine Performance and Emissions  

E-Print Network [OSTI]

Abstract- A direct injection (DI) diesel engine is tested with different biodiesel-diesel blends, such as B0 (neat diesel), B5 (i.e., 5 vol. % biodiesel and 95 vol. % diesel), B10 (10 vol. % biodiesel), B20 (20 vol. % biodiesel), B50 (50 vol. % biodiesel), and B100 (neat biodiesel) for performance and emissions under different load conditions. Engine performance is examined by measuring brake specific fuel consumption (bsfc) and fuel conversion efficiency (? f). The emission of carbon monoxide (CO), hydrocarbon (HC), nitric oxide (NO), nitrogen dioxide (NO 2), nitrogen oxides (NOx), carbon dioxide (CO 2) and others are measured. Biodiesel shows a significant CO and HC reduction compared to diesel under low load operation; under high load operation, however, CO with biodiesel is increased a little and HC emissions are very similar to that with diesel. On the other hand, under low load operation, NOx emission with biodiesel is significantly increased than diesel; however, under high load operation, there is almost no change in NOx emissions with biodiesel and diesel. Index Term- Canola biodiesel, diesel engine, engine performance, exhaust emissions.

Murari Mohon Roy; Majed Alawi; Wilson Wang

159

Modeling light scattering from diesel soot particles  

SciTech Connect (OSTI)

The Mie model is widely used to analyze light scattering from particulate aerosols. The Diesel Particle Scatterometer (DPS), for example, determines the size and optical properties of diesel exhaust particles that are characterized by measuring three angle-dependent elements of the Mueller scattering matrix. These elements are then fitted using Mie calculations with a Levenburg-Marquardt optimization program. This approach has achieved good fits for most experimental data. However, in many cases, the predicted real and imaginary parts of the index of refraction were less than that for solid carbon. To understand this result and explain the experimental data, we present an assessment of the Mie model by use of a light scattering model based on the coupled dipole approximation. The results indicate that the Mie calculation can be used to determine the largest dimension of irregularly shaped particles at sizes characteristic of Diesel soot and, for particles of known refractive index, tables can be constructed to determine the average porosity of the particles from the predicted index of refraction.

Hull, Patricia; Shepherd, Ian; Hunt, Arlon

2002-07-16T23:59:59.000Z

160

Particulate Measurements and Emissions Characterization of Alternative Fuel Vehicle Exhaust  

SciTech Connect (OSTI)

The objective of this project was to measure and characterize particulate emissions from light-duty alternative fuel vehicles (AFVs) and equivalent gasoline-fueled vehicles. The project included emission testing of a fleet of 129 gasoline-fueled vehicles and 19 diesel vehicles. Particulate measurements were obtained over Federal Test Procedure and US06 cycles. Chemical characterization of the exhaust particulate was also performed. Overall, the particulate emissions from modern technology compressed natural gas and methanol vehicles were low, but were still comparable to those of similar technology gasoline vehicles.

Durbin, T. D.; Truex, T. J.; Norbeck, J. M. (Center for Environmental Research and Technology College of Engineering, University of California - Riverside, California)

1998-11-19T23:59:59.000Z

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Diesel prices decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel prices continueDieselDiesel

162

Utiization of alternate fuels in diesel engines  

SciTech Connect (OSTI)

Accomplishments during three years entitled The Utilization of Alternate Fuels in Diesel Engines are summarized. Experiments were designed and test equipment set-up for the purpose of evaluating the use of methanol as a fumigant for light-duty Diesel engine service. The major experimental results were obtained from a multicylinder automotive Diesel engine. However, fundamental studies employing a GC/micro-reactor and a constant volume combustion bomb were also started. The purpose of this work was to measure some of the chemical and physical properties of methanol and methanol-air mixtures. The laminar flame velocity for various mixtures has been measured in the combustion bomb and thermal degradation studies have begun in the GC/micro-reactor. An Oldsmobile 5.7 liter V/8 Diesel engine was fumigated with methanol in amounts up to 40% of the fuel energy. The primary objectives of the study were to determine the effect of methanol fumigation on fuel efficiency, smoke, nitric oxide emission, and the occurrence of severe knock. An assessment of the biological activity for samples of the raw exhaust particulate and its soluble organic extract was also made using boh the Ames Salmonella typhimurium test and the B. subtilis Comptest. Generally, methanol fumigation was found to decrease NO emission for all conditions, to have a slight effect on smoke opacity, and to have a beneficial effect on fuel efficiency at higher loads. Also at higher loads, the methanol was found to induce what was defined as knock limited operation. The biological activity of the raw particulate matter was fond to be less than that of its soluble organic extract. However, for both the fumigation of methanol did enhance the biological activity.

Lestz, S.S.

1980-09-01T23:59:59.000Z

163

Emission Characteristics of a Diesel Engine Operating with In-Cylinder Gasoline and Diesel Fuel Blending  

SciTech Connect (OSTI)

Advanced combustion regimes such as homogeneous charge compression ignition (HCCI) and premixed charge compression ignition (PCCI) offer benefits of reduced nitrogen oxides (NOx) and particulate matter (PM) emissions. However, these combustion strategies often generate higher carbon monoxide (CO) and hydrocarbon (HC) emissions. In addition, aldehydes and ketone emissions can increase in these modes. In this study, the engine-out emissions of a compression-ignition engine operating in a fuel reactivity- controlled PCCI combustion mode using in-cylinder blending of gasoline and diesel fuel have been characterized. The work was performed on a 1.9-liter, 4-cylinder diesel engine outfitted with a port fuel injection system to deliver gasoline to the engine. The engine was operated at 2300 rpm and 4.2 bar brake mean effective pressure (BMEP) with the ratio of gasoline to diesel fuel that gave the highest engine efficiency and lowest emissions. Engine-out emissions for aldehydes, ketones and PM were compared with emissions from conventional diesel combustion. Sampling and analysis was carried out following micro-tunnel dilution of the exhaust. Particle geometric mean diameter, number-size distribution, and total number concentration were measured by a scanning mobility particle sizer (SMPS). For the particle mass measurements, samples were collected on Teflon-coated quartz-fiber filters and analyzed gravimetrically. Gaseous aldehydes and ketones were sampled using dinitrophenylhydrazine-coated solid phase extraction cartridges and the extracts were analyzed by liquid chromatography/mass spectrometry (LC/MS). In addition, emissions after a diesel oxidation catalyst (DOC) were also measured to investigate the destruction of CO, HC and formaldehydes by the catalyst.

Prikhodko, Vitaly Y [ORNL; Curran, Scott [ORNL; Barone, Teresa L [ORNL; Lewis Sr, Samuel Arthur [ORNL; Storey, John Morse [ORNL; Cho, Kukwon [ORNL; Wagner, Robert M [ORNL; Parks, II, James E [ORNL

2010-01-01T23:59:59.000Z

164

EPA Diesel Update  

Broader source: Energy.gov (indexed) [DOE]

for US Introduction of Tier 2 Diesels - Dr. Gerhard Schmidt, VP Research and Advanced Engineering Ford, "Our target must be 50 state programs at LEV2Bin 5. ....the prognosis...

165

DIESEL AEROSOL SAMPLING METHODOLOGY -CRC E-43 TECHNICAL SUMMARY AND CONCLUSIONS  

E-Print Network [OSTI]

in diameter, PM2.5) in the atmosphere (Health Effects Institute 2001, 2002a). These concerns apply to Diesel exhaust and are discussed in depth elsewhere (Health Effects Institute 1995, 2002b). Particulate emissions to the formation of the large number of nanoparticles. The Health Effects Institute and the investigators were

Minnesota, University of

166

Making premium diesel fuel  

SciTech Connect (OSTI)

For refiners, extra processing and blending is a practical, though not always easy, option for improving diesel fuel properties; however, it entails compromises. For example, ignition quality can be improved by including more paraffins, but this negatively impacts the required low-temperature operability properties. Another example is adding aromatics to increase the diesel`s Btu value, but aromatics burn poorly and tend to cause smoking. Due to these and other types of diametrical trade-offs, the scope of distillate processing and fuels blending at the refinery is often very limited. Therefore, fuel additives are rapidly becoming the only alternative for obtaining the superior quality necessary in a premium diesel fuel. If stabilizers, dispersants and other fuel additive components are used in the additive package, the product can be marketed as a premium diesel fuel additive. Engines using this additive-treated fuel will consistently have less emissions, produce optimum power from the fuel energy conversion process and perform to design specifications. And the user will truly have a premium diesel fuel. The paper discusses detergent additives, cetane or ignition improvers, fuel stabilizers, cold weather additives, and lubricity additives.

Pipenger, G. [Amalgamated Inc., Fort Wayne, IN (United States)

1997-02-01T23:59:59.000Z

167

CLEERS Activities: Diesel Soot Filter Characterization & NOx...  

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

Activities: Diesel Soot Filter Characterization & NOx Control Fundamentals CLEERS Activities: Diesel Soot Filter Characterization & NOx Control Fundamentals 2009 DOE Hydrogen...

168

Electrically-Assisted Diesel Particulate Filter Regeneration...  

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

More Documents & Publications Substrate Studies of an Electrically-Assisted Diesel Particulate Filter Electrically-Assisted Diesel Particulate Filter Regeneration...

169

Mobile Source Air Toxics (MSATs) from High Efficiency Clean Combustion: Catalytic Exhaust Treatment Effects  

SciTech Connect (OSTI)

High Efficiency Clean Combustion (HECC) strategies such as homogenous charge compression ignition (HCCI) and pre-mixed charge compression ignition (PCCI) offer much promise for the reduction of NOx and PM from diesel engines. While delivering low PM and low NOx, these combustion modes often produce much higher levels of CO and HC than conventional diesel combustion modes. In addition, partially oxygenated species such as formaldehyde (an MSAT) and other aldehydes increase with HECC modes. The higher levels of CO and HCs have the potential to compromise the performance of the catalytic aftertreatment, specifically at low load operating points. As HECC strategies become incorporated into vehicle calibrations, manufacturers need to avoid producing MSATs in higher quantities than found in conventional combustion modes. This paper describes research on two different HECC strategies, HCCI and PCCI. Engine-out data for several MSAT species (formaldehyde, acetaldehyde, benzene, toluene, ethylbenzene, xylenes, naphthalene, PAHs, diesel PM) as well as other HC species are presented and compared when possible with conventional operation. In addition, catalyst-out values were measured to assess the destruction of individual MSATs over the catalyst. At low engine loads, MSATs were higher and catalyst performance was poorer. Particle sizing results identify large differences between PM from conventional and HECC operation.

Storey, John Morse [ORNL; Lewis Sr, Samuel Arthur [ORNL; Parks, II, James E [ORNL; Barone, Teresa L [ORNL; Prikhodko, Vitaly Y [ORNL

2008-01-01T23:59:59.000Z

170

Development of the Cooper-Bessemer CleanBurn gas-diesel (dual-fuel) engine  

SciTech Connect (OSTI)

NO[sub x] emission legislation requirements for large-bore internal combustion engines have required engine manufacturers to continue to develop and improve techniques for exhaust emission reduction. This paper describes the development of the Cooper-Bessemer Clean Burn gas-diesel (dual-fuel) engine that results in NO[sub x] reductions of up to 92 percent as compared with an uncontrolled gas-diesel engine. Historically, the gas-diesel and diesel engine combustion systems have not responded to similar techniques of NO[sub x] reduction that have been successful on straight spark-ignited natural gas burning engines. NO[sub x] levels of a nominal 1.0 g/BHP-h, equal to the spark-ignited natural gas fueled engine, have been achieved for the gas-diesel and are described. In addition, the higher opacity exhaust plume characteristic of gas-diesel combustion is significantly reduced or eliminated. This achievement is considered to be a major breakthrough, and the concept can be applied to both new and retrofit applications.

Blizzard, D.T. (Cooper-Bessemer Reciprocating Products Div., Cooper Industries, Grove City, PA (United States)); Schaub, F.S.; Smith, J.G. (Cooper-Bessemer Reciprocating Products Div., Cooper Industries, Mount Vernon, OH (United States))

1992-07-01T23:59:59.000Z

171

Effect of guar gum upon the partition coefficients of diacetyl, acetaldehyde, and ethanol in acidified milk products  

E-Print Network [OSTI]

. At 30 and 50'C, the partition coefficient for acetaldehyde was lowest at 9% SNF regardless of milk fat concentration or temperature of analysis. The partition coefficient of acetaldehyde decreased as the concentration of the flavor compound increased... with increasing concentration of milk fat and diacetyl. Guar gum did not affect the partition coefficients of the flavor compounds under any experimental condition. Partition coefficients for ethanol and diacetyl were similar at 30'C, however, at 5(PC...

Lo, Chih-Yang

1992-01-01T23:59:59.000Z

172

Treatment of power utilities exhaust  

SciTech Connect (OSTI)

Provided is a process for treating nitrogen oxide-containing exhaust produced by a stationary combustion source by the catalytic reduction of nitrogen oxide in the presence of a reductant comprising hydrogen, followed by ammonia selective catalytic reduction to further reduce the nitrogen oxide level in the exhaust.

Koermer, Gerald (Basking Ridge, NJ)

2012-05-15T23:59:59.000Z

173

Catalysts, systems and methods to reduce NOX in an exhaust gas stream  

DOE Patents [OSTI]

Catalysts, systems and methods are described to reduce NO.sub.x emissions of an internal combustion engine. In one embodiment, an emissions treatment system for an exhaust stream is provided having an SCR catalyst comprising silver tungstate on an alumina support. The emissions treatment system may be used for the treatment of exhaust streams from diesel engines and lean burn gasoline engines. An emissions treatment system may further comprise an injection device operative to dispense a hydrocarbon reducing agent upstream of the catalyst.

Castellano, Christopher R. (Ringoes, NJ); Moini, Ahmad (Princeton, NJ); Koermer, Gerald S. (Basking Ridge, NJ); Furbeck, Howard (Hamilton, NJ)

2010-07-20T23:59:59.000Z

174

DIESEL et CANCER Dominique Lafon  

E-Print Network [OSTI]

1/5 DIESEL et CANCER Dominique Lafon INERIS (*) De nombreuses questions se posent sur la toxicité des émissions des moteurs diesel. C'est un sujet qui a beaucoup préoccupé les scientifiques ces EMISSIONS DU DIESEL. Avant d'aborder la toxicité des émissions du diesel, un rappel de leur composition est

Boyer, Edmond

175

Diesel prices decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel prices continueDiesel prices

176

Diesel prices decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel prices continueDiesel

177

Diesel prices decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel pricesDiesel prices decrease

178

Diesel prices decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel pricesDiesel prices

179

Diesel prices increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldiesel pricesDieselDiesel

180

Diesel prices slightly decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldieselDieselDiesel prices

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
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We encourage you to perform a real-time search of NLEBeta
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181

Diesel prices slightly decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldieselDieselDiesel

182

Effectiveness of Diesel Oxidation Catalyst in Reducing HC and CO Emissions from Reactivity Controlled Compression Ignition  

SciTech Connect (OSTI)

Reactivity Controlled Compression Ignition (RCCI) has been shown to allow for diesel-like or better brake thermal efficiency with significant reductions in nitrogen oxide (NOX) particulate matter (PM) emissions. Hydrocarbon (HC) and carbon monoxide (CO) emission levels, on the other hand, are similar to those of port fuel injected gasoline engines. The higher HC and CO emissions combined with the lower exhaust temperatures with RCCI operation present a challenge for current exhaust aftertreatments. The reduction of HC and CO emissions in a lean environment is typically achieved with an oxidation catalyst. In this work, several diesel oxidation catalysts (DOC) with different precious metal loadings were evaluated for effectiveness to control HC and CO emissions from RCCI combustion in a light-duty multi-cylinder engine operating on gasoline and diesel fuels. Each catalyst was evaluated in a steady-state engine operation with temperatures ranging from 160 to 260 C. A shift to a higher light-off temperature was observed during the RCCI operation. In addition to the steady-state experiments, the performances of the DOCs were evaluated during multi-mode engine operation by switching from diesel-like combustion at higher exhaust temperature and low HC/CO emissions to RCCI combustion at lower temperature and higher HC/CO emissions. High CO and HC emissions from RCCI generated an exotherm keeping the catalyst above the light-off temperature.

Prikhodko, Vitaly Y [ORNL; Curran, Scott [ORNL; Parks, II, James E [ORNL; Wagner, Robert M [ORNL

2013-01-01T23:59:59.000Z

183

Diesel Engine Idling Test  

SciTech Connect (OSTI)

In support of the Department of Energy’s FreedomCAR and Vehicle Technology Program Office goal to minimize diesel engine idling and reduce the consumption of millions of gallons of diesel fuel consumed during heavy vehicle idling periods, the Idaho National Laboratory (INL) conducted tests to characterize diesel engine wear rates caused by extended periods of idling. INL idled two fleet buses equipped with Detroit Diesel Series 50 engines, each for 1,000 hours. Engine wear metals were characterized from weekly oil analysis samples and destructive filter analyses. Full-flow and the bypass filter cartridges were removed at four stages of the testing and sent to an oil analysis laboratory for destructive analysis to ascertain the metals captured in the filters and to establish wear rate trends. Weekly samples were sent to two independent oil analysis laboratories. Concurrent with the filter analysis, a comprehensive array of other laboratory tests ascertained the condition of the oil, wear particle types, and ferrous particles. Extensive ferrogram testing physically showed the concentration of iron particles and associated debris in the oil. The tests results did not show the dramatic results anticipated but did show wear trends. New West Technologies, LLC, a DOE support company, supplied technical support and data analysis throughout the idle test.

Larry Zirker; James Francfort; Jordon Fielding

2006-02-01T23:59:59.000Z

184

Diesel Engine Alternatives  

SciTech Connect (OSTI)

There are basically three different modes of combustion possible for use in reciprocating engines. These include, diffusion burning, as occurs in current diesel engines, flame propagation combustion such as used in conventional SI engines, and homogeneous combustion such as is used in the SwRI HCCI engine. Diesel engines currently offer significant fuel consumption benefits relative to other powerplants for on and off road applications; however, costs and efficiency may become problems as the emissions standards become even more stringent. This presentation presents a discussion of the potentials of HCCI and flame propagation engines as alternatives to the diesel engines. It is suggested that as the emissions standards become more and more stringent, the advantages of the diesel may disappear. The potential for HCCI is limited by the availability of the appropriate fuel. The potential of flame propagation engines is limited by several factors including knock, EGR tolerance, high BMEP operation, and throttling. These limitations are discussed in the context of potential for improvement of the efficiency of the flame propagation engine.

Ryan, T

2003-08-24T23:59:59.000Z

185

DIESEL FUEL LUBRICATION  

SciTech Connect (OSTI)

The diesel fuel injector and pump systems contain many sliding interfaces that rely for lubrication upon the fuels. The combination of the poor fuel lubricity and extremely tight geometric clearance between the plunger and bore makes the diesel fuel injector vulnerable to scuffing damage that severely limits the engine life. In order to meet the upcoming stricter diesel emission regulations and higher engine efficiency requirements, further fuel refinements that will result in even lower fuel lubricity due to the removal of essential lubricating compounds, more stringent operation conditions, and tighter geometric clearances are needed. These are expected to increase the scuffing and wear vulnerability of the diesel fuel injection and pump systems. In this chapter, two approaches are discussed to address this issue: (1) increasing fuel lubricity by introducing effective lubricity additives or alternative fuels, such as biodiesel, and (2) improving the fuel injector scuffing-resistance by using advanced materials and/or surface engineering processes. The developing status of the fuel modification approach is reviewed to cover topics including fuel lubricity origins, lubricity improvers, alternative fuels, and standard fuel lubricity tests. The discussion of the materials approach is focused on the methodology development for detection of the onset of scuffing and evaluation of the material scuffing characteristics.

Qu, Jun [ORNL

2012-01-01T23:59:59.000Z

186

Dual fueling of a Caterpillar 3406 diesel engine  

SciTech Connect (OSTI)

A Caterpillar 3406 turbocharged diesel engine was converted to operate in a dual-fuel mode and was evaluated for performance and emission characteristics for both diesel and natural gas operation. Full load power was achieved with dual fueling without knock. Similar fuel efficiencies were obtained with dual fueling a high loads, but efficiencies were lower for low loads. Bosch smoke numbers were reduced by over 50% with dual fueling for all cases investigated. NO{sub x} emissions were found to be lower at low loads and at high speeds under high load. CO emissions were significantly increased for dual fueling while CO{sub 2} concentrations in the exhaust were reduced for dual fueling.

Bell, S.R.; Midkiff, K.C.; Doughty, G.; Brett, C.E. [Univ. of Alabama, Tuscaloosa, AL (United States)

1996-05-01T23:59:59.000Z

187

Systems and methods for controlling diesel engine emissions  

DOE Patents [OSTI]

Systems and methods for controlling diesel engine emissions, including, for example, oxides of nitrogen emissions, particulate matter emissions, and the like. The emission control system according to this invention is provided in the exhaust passageway of a diesel engine and includes a catalyst-based particulate filter; and first and second lean NO.sub.x trap systems coupled to the catalyst-based particulate filter. The first and second lean NO.sub.x trap systems are arranged in a parallel flow configuration with each other. Each of the first and second lean NO.sub.x trap systems include a carbon monoxide generating catalyst device, a sulfur trap device, a lean NO.sub.x device, a supplemental fuel injector device, and a plurality of flow diverter devices.

Webb, Cynthia Chaffin; Weber, Phillip Anthony; Khair, Magdi K.

2004-06-01T23:59:59.000Z

188

Diesel fuel component contribution to engine emissions and performance. Final report  

SciTech Connect (OSTI)

Contemporary diesel fuel is a blend of several refinery streams chosen to meet specifications. The need to increase yield of transportation fuel from crude oil has resulted in converting increased proportions of residual oil to lighter products. This conversion is accomplished by thermal, catalytic, and hydrocracking of high molecular weight materials rich in aromatic compounds. The current efforts to reformulate California diesel fuel for reduced emissions from existing engines is an example of another driving force affecting refining practice: regulations designed to reduce exhaust emissions. Although derived from petroleum crude oil, reformulated diesel fuel is an alternative to current specification-grade diesel fuel, and this alternative presents opportunities and questions to be resolved by fuel and engine research. Various concerned parties have argued that regulations for fuel reformulation have not been based on an adequate data base. Despite numerous studies, much ambiguity remains about the relationship of exhaust parameters to fuel composition, particularly for diesel fuel. In an effort to gather pertinent data, the automobile industry and the oil refiners have joined forces in the Air Quality Improvement Research Program (AUTO/OIL) to address this question for gasoline. The objective of that work is to define the relationship between gasoline composition and the magnitude and composition of the exhaust emissions. The results of the AUTO/OEL program will also be used, along with other data bases, to define the EPA {open_quotes}complex model{close_quotes} for reformulated gasolines. Valuable insights have been gained for compression ignition engines in the Coordinating Research Council`s VE-1 program, but no program similar to AUTO/OIL has been started for diesel fuel reformulation. A more detailed understanding of the fuel/performance relationship is a readily apparent need.

Erwin, J.; Ryan, T.W. III; Moulton, D.S. [Southwest Research Institute, San Antonio, TX (United States)] [Southwest Research Institute, San Antonio, TX (United States)

1994-11-01T23:59:59.000Z

189

Sizes, graphitic structures and fractal geometry of light-duty diesel engine particulates.  

SciTech Connect (OSTI)

The particulate matter of a light-duty diesel engine was characterized in its morphology, sizes, internal microstructures, and fractal geometry. A thermophoretic sampling system was employed to collect particulates directly from the exhaust manifold of a 1.7-liter turbocharged common-rail direct-injection diesel engine. The particulate samples collected at various engine-operating conditions were then analyzed by using a high-resolution transmission electron microscope (TEM) and an image processing/data acquisition system. Results showed that mean primary particle diameters (dp), and radii of gyration (Rg), ranged from 19.4 nm to 32.5 nm and 77.4 nm to 134.1 nm, respectively, through the entire engine-operating conditions of 675 rpm (idling) to 4000 rpm and 0% to 100% loads. It was also revealed that the other important parameters sensitive to the particulate formation, such as exhaust-gas recirculation (EGR) rate, equivalence ratio, and temperature, affected particle sizes significantly. Bigger primary particles were measured at higher EGR rates, higher equivalence ratios (fuel-rich), and lower exhaust temperatures. Fractal dimensions (D{sup f}) were measured at a range of 1.5 - 1.7, which are smaller than those measured for heavy-duty direct-injection diesel engine particulates in our previous study. This finding implies that the light-duty diesel engine used in this study produces more stretched chain-like shape particles, while the heavy-duty diesel engine emits more spherical particles. The microstructures of diesel particulates were observed at high TEM magnifications and further analyzed by a Raman spectroscope. Raman spectra revealed an atomic structure of the particulates produced at high engine loads, which is similar to that of typical graphite.

Lee, K. O.; Zhu, J.; Ciatti, S.; Choi, M. Y.; Energy Systems; Drexel Univ.

2003-01-01T23:59:59.000Z

190

Biodiesel Production From Animal Fats And Its Impact On The Diesel Engine With Ethanol-Diesel Blends: A Review  

E-Print Network [OSTI]

Abstract — Mainly animal fats and vegetable oils are used for the production of biodiesel. Several types of fuels can be derived from triacylglycerol-containing feedstock. Biodiesel which is defined as the mono-alkyl esters of vegetable oils or animal fats. Biodiesel is produced by transesterifying the oil or fat with an alcohol (methanol/ethanol) under mild conditions in the presence of a base catalyst. This paper discuses fuel production, fuel properties, environmental effects including exhaust emissions and co-products. This also describes the use of glycerol which is the by-product in esterification process along with biodiesel. The impact of blending of biodiesel with ethanol and diesel on the diesel engine has described.

Darunde Dhiraj S; Prof Deshmukh Mangesh M

191

Polymerization of acetaldehyde using tetraiso-Propyl titanate as a catalyst  

E-Print Network [OSTI]

with palladous chloride as a catalyst forms vinylacetate and water. ~ CH =CHO CDCH i (CH -CHQ CDCH l 2 3 n Vinylacetate monomers are polymerized by radical initiation to form polyvinyl acetate. (CH2-CHO ~ COCH3) n H or OH (CH -CH)n n OH polyvinyl... of tetravinyl titanate by procedure (B) (21) Hydrolysis reaction of vinyl titanate RESULTS AND DISCUSSION The materials obtained from the polymerization reaction at high temperature The materials obtained from the polymerization of acetaldehyde at 200'C...

Makita, Muneharu

2012-06-07T23:59:59.000Z

192

Heat transfer in a thermoelectric generator for diesel engines  

SciTech Connect (OSTI)

This paper discusses the design and test results obtained for a 1kW thermoelectric generator used to convert the waste thermal energy in the exhaust of a Diesel engine directly to electric energy. The paper focuses on the heat transfer within the generator and shows what had to be done to overcome the heat transfer problems encountered in the initial generator testing to achieve the output goal of 1kW electrical. The 1kW generator uses Bismuth-Telluride thermoelectric modules for the energy conversion process. These modules are also being evaluated for other waste heat applications. Some of these applications are briefly addressed.

Bass, J.C. [Hi-Z Technology, Inc., San Diego, CA (United States)

1995-12-31T23:59:59.000Z

193

Constrained motion planning for the airpath of a Diesel HCCI engine Jonathan Chauvin, Gilles Corde, and Nicolas Petit  

E-Print Network [OSTI]

Constrained motion planning for the airpath of a Diesel HCCI engine Jonathan Chauvin, Gilles Corde (HCCI) mode. Conclusions stress the possibility of taking into account the non- minimum phase effects Ignition (HCCI) ­ has become of major interest. It requires the use of high Exhaust Gas Recirculation (EGR

194

Alternatives to diesel fuel in California - fuel cycle energy and emission effects of possible replacements due to the TAC diesel particulate decision.  

SciTech Connect (OSTI)

Limitations on petroleum-based diesel fuel in California could occur pursuant to the 1998 declaration by California's Air Resources Board (CARB) that the particulate matter component of diesel exhaust is a carcinogen, therefore a toxic air contaminant (TAC) subject to the state's Proposition 65. It is the declared intention of CARB not to ban or restrict diesel fuel per se, at this time. Assuming no total ban, Argonne National Laboratory (ANL) explored two feasible mid-course strategies, each of which results in some degree of (conventional) diesel displacement. In the first case, with substantial displacement of compression-ignition by spark-ignition engines, diesel fuel is assumed admissible for ignition assistance as a pilot fuel in natural gas (NG)-powered heavy-duty vehicles. Gasoline demand in California increases by 32.2 million liters (8.5 million gallons) per day overall, about 21% above projected 2010 baseline demand. Natural gas demand increases by 13.6 million diesel liter (3.6 million gallon) equivalents per day, about 7% above projected (total) consumption level. In the second case, compression-ignition engines utilize substitutes for petroleum-based diesel having similar ignition and performance properties. For each case the authors estimated localized air emission plus generalized greenhouse gas and energy changes. Fuel replacement by di-methyl ether yields the greatest overall reduction in NOX emissions, though all scenarios bring about PM{sub 10} reductions relative to the 2010 baseline, with greatest reductions from the first case described above and the least from fuel replacement by Fischer-Tropsch synthetic diesel. Economic implications of vehicle and engine replacement were not formally evaluated.

Saricks, C. L.; Rote, D. M.; Stodolsky, F.; Eberhardt, J. J.

1999-12-03T23:59:59.000Z

195

Alternatives to Diesel Fuel in California - Fuel Cycle Energy and Emission Effects of Possible Replacements Due to the TAC Diesel Particulate Decision  

SciTech Connect (OSTI)

Limitations on petroleum-based diesel fuel in California could occur pursuant to the 1998 declaration by California's Air Resources Board (CARB) that the particulate matter component of diesel exhaust is a carcinogen, therefore a toxic air contaminant (TAC) subject to the state's Proposition 65. It is the declared intention of CARB not to ban or restrict diesel fuel, per se, at this time. Assuming no total ban, Argonne National Laboratory (ANL) explored two feasible ''mid-course'' strategies, each of which results in some degree of (conventional) diesel displacement. In the first case, with substantial displacement of compression ignition by spark ignition engines, diesel fuel is assumed admissible for ignition assistance as a pilot fuel in natural gas (NG)-powered heavy-duty vehicles. Gasoline demand in California increases by 32.2 million liters (8.5 million gallons) per day overall, about 21 percent above projected 2010 baseline demand. Natural gas demand increases by 13.6 million diesel liter (3.6 million gallon) equivalents per day, about 7 percent above projected (total) consumption level. In the second case, ressionignition engines utilize substitutes for petroleum-based diesel having similar ignition and performance properties. For each case we estimated localized air emission plus generalized greenhouse gas and energy changes. Fuel replacement by di-methyl ether yields the greatest overall reduction in NOx emissions, though all scenarios bring about PM10 reductions relative to the 2010 baseline, with greatest reductions from the first case described above and the least from fuel replacement by Fischer-Tropsch synthetic diesel. Economic implications of vehicle and engine replacement were not formally evaluated.

Christopher L. Saraicks; Donald M. Rote; Frank Stodolsky; James J. Eberhardt

2000-05-01T23:59:59.000Z

196

Optimizing Low Temperature Diesel Combustion  

Broader source: Energy.gov (indexed) [DOE]

Diesel Particulate Filter Regenerations," SAE Paper 2007-01-3970, SAE Fall Powertrain and Fluids Systems Conference, Chicago, IL, Oct. 2007. * "Comprehensive Characterization of...

197

Diesel prices continue to increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDieselDieselDieselDiesel

198

Tailored Acicular Mullite Substrates for Multifunctional Diesel...  

Broader source: Energy.gov (indexed) [DOE]

"New Cordierite Diesel Particulate Filters for Catalyzed and Non-Catalyzed Applications," Proceedings of the 9th Diesel Engine Emissions Reduction Conference August 24-28, 2003,...

199

Optimization of Advanced Diesel Engine Combustion Strategies...  

Broader source: Energy.gov (indexed) [DOE]

Optimization of Advanced Diesel Engine Combustion Strategies Optimization of Advanced Diesel Engine Combustion Strategies 2010 DOE Vehicle Technologies and Hydrogen Programs Annual...

200

Vehicle Technologies Office: AVTA - Diesel Internal Combusion...  

Energy Savers [EERE]

Vehicle Technologies Office: AVTA - Diesel Internal Combusion Engine Vehicles Vehicle Technologies Office: AVTA - Diesel Internal Combusion Engine Vehicles The Advanced Vehicle...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Electrically-Assisted Diesel Particulate Filter Regeneration...  

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

Evaluation pm041lance2011p.pdf More Documents & Publications Electrically-Assisted Diesel Particulate Filter Regeneration Substrate Studies of an Electrically-Assisted Diesel...

202

Advanced Diesel Engine and Aftertreatment Technology Development...  

Broader source: Energy.gov (indexed) [DOE]

Advanced Diesel Engine and Aftertreatment Technology Development for Tier 2 Emissions Advanced Diesel Engine and Aftertreatment Technology Development for Tier 2 Emissions 2003...

203

Impacts of a Nanosized Ceria Additive on Diesel Engine Emissions of Particulate and Gaseous Pollutants  

E-Print Network [OSTI]

reductions of CO2, CO, total particulate mass, formaldehyde, acetaldehyde, acrolein, and several polycyclic

Garfunkel, Eric

204

Reformulated diesel fuel and method  

DOE Patents [OSTI]

A method for mathematically identifying at least one diesel fuel suitable for combustion in an automotive diesel engine with significantly reduced emissions and producible from known petroleum blendstocks using known refining processes, including the use of cetane additives (ignition improvers) and oxygenated compounds.

McAdams, Hiramie T [Carrollton, IL; Crawford, Robert W [Tucson, AZ; Hadder, Gerald R [Oak Ridge, TN; McNutt, Barry D [Arlington, VA

2006-08-22T23:59:59.000Z

205

Effect of milk composition upon the partition coefficients of diacetyl, acetaldehyde, and ethanol in acidified milk products  

E-Print Network [OSTI]

Acidified milk samples were prepared with fat concentrations from 0 to 20% and solids-not-fat concentrations from 6 to 12%. The partition coefficients of acetaldehyde, ethanol, and diacetyl were determined in acidified samples at pH 4.4 and 4...

Wilke, Anthony Gerald

1994-01-01T23:59:59.000Z

206

Fast-regenerable sulfur dioxide adsorbents for diesel engine emission control  

DOE Patents [OSTI]

Disclosed herein are sorbents and devices for controlling sulfur oxides emissions as well as systems including such sorbents and devices. Also disclosed are methods for making and using the disclosed sorbents, devices and systems. In one embodiment the disclosed sorbents can be conveniently regenerated, such as under normal exhaust stream from a combustion engine, particularly a diesel engine. Accordingly, also disclosed are combustion vehicles equipped with sulfur dioxide emission control devices.

Li, Liyu [Richland, WA; King, David L [Richland, WA

2011-03-15T23:59:59.000Z

207

"Performance, Emission and Particle distribution of Diesel Engines Fueled with Diesel-Dimethoxymethane (DMM) Blends"  

E-Print Network [OSTI]

Xibin Wang "Performance, Emission and Particle distribution of Diesel Engines Fueled with Diesel-Dimethoxymethane (DMM) Blends" Abstract : Combustion, performance and emission were studied for DI diesel engine fuelled with DMM/diesel fuel blends for DMM content from 0 to 50%. Results showed that, for diesel engine with fuel

208

diesel.vp  

Gasoline and Diesel Fuel Update (EIA)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) " ,"ClickPipelines About U.S.30NaturalThousandExtensions473.6 W 54,849.062 210 50trillion Btu)96575Diesel

209

Diesel prices decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel prices

210

Diesel prices flat  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldiesel pricesDiesel prices

211

Diesel prices flat nationally  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldiesel pricesDiesel

212

Diesel prices increase nationally  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldieselDiesel prices

213

Diesel prices rise slightly  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldieselDiesel

214

Opacity meter for monitoring exhaust emissions from non-stationary sources  

DOE Patents [OSTI]

Method and apparatus for determining the opacity of exhaust plumes from moving emissions sources. In operation, a light source is activated at a time prior to the arrival of a diesel locomotive at a measurement point, by means of a track trigger switch or the Automatic Equipment Identification system, such that the opacity measurement is synchronized with the passage of an exhaust plume past the measurement point. A beam of light from the light source passes through the exhaust plume of the locomotive and is detected by a suitable detector, preferably a high-rate photodiode. The light beam is well-collimated and is preferably monochromatic, permitting the use of a narrowband pass filter to discriminate against background light. In order to span a double railroad track and provide a beam which is substantially stronger than background, the light source, preferably a diode laser, must provide a locally intense beam. A high intensity light source is also desirable in order to increase accuracy at the high sampling rates required. Also included is a computer control system useful for data acquisition, manipulation, storage and transmission of opacity data and the identification of the associated diesel engine to a central data collection center.

Dec, John Edward (Livermore, CA)

2000-01-01T23:59:59.000Z

215

Coal-fueled diesel technology development Emissions Control  

SciTech Connect (OSTI)

GEESI Emissions Control program activity ranged from control concept testing of 10 CFM slipstream from a CWS fuel single cylinder research diesel engine to the design, installation, and operation of a full-size Emissions Control system for a full-size CWS fuel diesel engine designed for locomotive operation.Early 10 CFM slipstream testing program activity was performed to determine Emissions Characteristics and to evaluate Emissions Control concepts such a Barrier filtration, Granular bed filtration, and Cyclone particulate collection for reduction of particulate and gaseous emissions. Use of sorbent injection into the engine exhaust gas upstream of the barrier filter or use of sorbent media in the granular bed filter were found to provide reduction of exhaust gas SO{sub 2} and NO{sub x} in addition to collection of ash particulate. Emergence of the use of barrier filtration as a most practical Emissions Control concept disclosed a need to improve cleanability of the filter media in order to avoid reduction of turbocharger performance by excessive barrier filter pressure drop. The next progression of program activity, after the slipstream feasibility state, was 500 CFM cold flow testing of control system concepts. The successful completion of 500 CFM cold flow testing of the Envelope Filter led to a subsequent progression to a similar configuration Envelope Filter designed to operate at 500 CFM hot gas flow from the CWS fuel research diesel engine in the GETS engine test laboratory. This Envelope Filter included the design aspect proven by cold flow testing as well as optimization of the selection of the installed filter media.

Van Kleunen, W.; Kaldor, S.; Gal, E.; Mengel, M.; Arnold, M.

1994-01-01T23:59:59.000Z

216

Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions...  

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

Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions Reduction Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions Reduction 2005 Diesel Engine...

217

Retrofit Diesel Emissions Control System Providing 50% NOxControl...  

Broader source: Energy.gov (indexed) [DOE]

Retrofit Diesel Emissions Control System Providing 50% NOxControl Retrofit Diesel Emissions Control System Providing 50% NOxControl 2005 Diesel Engine Emissions Reduction (DEER)...

218

Alloy Foam Diesel Emissions Control School Bus Implementation...  

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

Alloy Foam Diesel Emissions Control School Bus Implementation Alloy Foam Diesel Emissions Control School Bus Implementation Poster presentation from the 2007 Diesel...

219

Perspectives Regarding Diesel Engine Emissions Reduction in the...  

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

Perspectives Regarding Diesel Engine Emissions Reduction in the Northeast Perspectives Regarding Diesel Engine Emissions Reduction in the Northeast 2004 Diesel Engine Emissions...

220

Effects of an Accelerated Diesel Engine Replacement/Retrofit Program  

E-Print Network [OSTI]

and Cackette, T. A. , (2001). Diesel engines: environmentalfrom On-Road Gasoline and Diesel Vehicles. Atmos. Environ.emissions from gasoline- and diesel-powered motor vehicles.

Millstein, Dev E.; Harley, Robert A

2009-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

adicionado ao diesel: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

with diesel. Main focus of this research is to investigate the performance of diesel engine by injecting hydrogen peroxide as blends with diesel at 2%, 5% and 10 %...

222

adiabatic diesel engine: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

with diesel. Main focus of this research is to investigate the performance of diesel engine by injecting hydrogen peroxide as blends with diesel at 2%, 5% and 10 %...

223

advanced diesel engine: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

with diesel. Main focus of this research is to investigate the performance of diesel engine by injecting hydrogen peroxide as blends with diesel at 2%, 5% and 10 %...

224

adiabatic diesel engines: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

with diesel. Main focus of this research is to investigate the performance of diesel engine by injecting hydrogen peroxide as blends with diesel at 2%, 5% and 10 %...

225

advanced diesel engines: Topics by E-print Network  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

with diesel. Main focus of this research is to investigate the performance of diesel engine by injecting hydrogen peroxide as blends with diesel at 2%, 5% and 10 %...

226

Regulated Emissions from Diesel and Compressed Natural Gas Transit...  

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

Emissions from Diesel and Compressed Natural Gas Transit Buses Regulated Emissions from Diesel and Compressed Natural Gas Transit Buses Poster presentaiton at the 2007 Diesel...

227

Value Analysis of Alternative Diesel Particulate Filter (DPF...  

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

Value Analysis of Alternative Diesel Particulate Filter (DPF) Substrates for Future Diesel Aftertreatment Systems Value Analysis of Alternative Diesel Particulate Filter (DPF)...

228

The 60% Efficient Diesel Engine: Probably, Possible, Or Just...  

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

The 60% Efficient Diesel Engine: Probably, Possible, Or Just a Fantasy? The 60% Efficient Diesel Engine: Probably, Possible, Or Just a Fantasy? 2005 Diesel Engine Emissions...

229

Requirements-Driven Diesel Catalyzed Particulate Trap Design...  

Broader source: Energy.gov (indexed) [DOE]

Requirements-Driven Diesel Catalyzed Particulate Trap Design and Optimization Requirements-Driven Diesel Catalyzed Particulate Trap Design and Optimization 2005 Diesel Engine...

230

Glow Plug Integrated Piezo-Ceramic Combustion Sensor for Diesel...  

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

Glow Plug Integrated Piezo-Ceramic Combustion Sensor for Diesel Engines Glow Plug Integrated Piezo-Ceramic Combustion Sensor for Diesel Engines 2005 Diesel Engine Emissions...

231

Technology Development for Light Duty High Efficient Diesel Engines...  

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

Light Duty High Efficient Diesel Engines Technology Development for Light Duty High Efficient Diesel Engines Improve the efficiency of diesel engines for light duty applications...

232

Technical Challenges and Opportunities Light-Duty Diesel Engines...  

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

Challenges and Opportunities Light-Duty Diesel Engines in North America Technical Challenges and Opportunities Light-Duty Diesel Engines in North America 2005 Diesel Engine...

233

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDiesel pricesDieselDiesel

234

Diesel prices continue to increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDieselDiesel pricesDiesel

235

Diesel prices continue to increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDieselDieselDiesel prices

236

Diesel prices continue to increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDieselDieselDiesel

237

Diesel prices slightly decrease nationally  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldieselDieselDieselDiesel

238

Diesel fuel burner for diesel emissions control system  

DOE Patents [OSTI]

A burner for use in the emissions system of a lean burn internal combustion engine. The burner has a special burner head that enhances atomization of the burner fuel. Its combustion chamber is designed to be submersed in the engine exhaust line so that engine exhaust flows over the outer surface of the combustion chamber, thereby providing efficient heat transfer.

Webb, Cynthia C.; Mathis, Jeffrey A.

2006-04-25T23:59:59.000Z

239

Fuel Efficient Diesel Particulate Filter (DPF) Modeling and Development  

SciTech Connect (OSTI)

The project described in this report seeks to promote effective diesel particulate filter technology with minimum fuel penalty by enhancing fundamental understanding of filtration mechanisms through targeted experiments and computer simulations. The overall backpressure of a filtration system depends upon complex interactions of particulate matter and ash with the microscopic pores in filter media. Better characterization of these phenomena is essential for exhaust system optimization. The acicular mullite (ACM) diesel particulate filter substrate is under continuing development by Dow Automotive. ACM is made up of long mullite crystals which intersect to form filter wall framework and protrude from the wall surface into the DPF channels. ACM filters have been demonstrated to effectively remove diesel exhaust particles while maintaining relatively low backpressure. Modeling approaches developed for more conventional ceramic filter materials, such as silicon carbide and cordierite, have been difficult to apply to ACM because of properties arising from its unique microstructure. Penetration of soot into the high-porosity region of projecting crystal structures leads to a somewhat extended depth filtration mode, but with less dramatic increases in pressure drop than are normally observed during depth filtration in cordierite or silicon carbide filters. Another consequence is greater contact between the soot and solid surfaces, which may enhance the action of some catalyst coatings in filter regeneration. The projecting crystals appear to provide a two-fold benefit for maintaining low backpressures during filter loading: they help prevent soot from being forced into the throats of pores in the lower porosity region of the filter wall, and they also tend to support the forming filter cake, resulting in lower average cake density and higher permeability. Other simulations suggest that soot deposits may also tend to form at the tips of projecting crystals due to the axial velocity component of exhaust moving down the filter inlet channel. Soot mass collected in this way would have a smaller impact on backpressure than soot forced into the flow restrictions deeper in the porous wall structure. This project has focused on the development of computational, analytical, and experimental techniques that are generally applicable to a wide variety of exhaust aftertreatment technologies. By helping to develop improved fundamental understanding pore-scale phenomena affecting filtration, soot oxidation, and NOX abatement, this cooperative research and development agreement (CRADA) has also assisted Dow Automotive in continuing development and commercialization of the ACM filter substrate. Over the course of this research project, ACM filters were successfully deployed on the Audi R10 TDI racecar which won the 24 Hours of LeMans endurance race in 2006, 2007, and 2008; and the 12 Hours of Sebring endurance race in 2006 and 2007. It would not have been possible for the R10 to compete in these traditionally gasoline-dominated events without reliable and effective exhaust particulate filtration. These successes demonstrated not only the performance of automotive diesel engines, but the efficacy of DPF technology as it was being deployed around the world to meet new emissions standards on consumer vehicles. During the course of this CRADA project, Dow Automotive commercialized their ACM DPF technology under the AERIFYTM DPF brand.

Stewart, Mark L.; Gallant, Thomas R.; Kim, Do Heui; Maupin, Gary D.; Zelenyuk, Alla

2010-08-01T23:59:59.000Z

240

Diesel Engine Waste Heat Recovery Utilizing Electric Turbocompound...  

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

Presentation: Caterpillar Inc. 2002deerhopmann.pdf More Documents & Publications Diesel Engine Waste Heat Recovery Utilizing Electric Turbocompound Technology Diesel...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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.


241

Diesel Engine Waste Heat Recovery Utilizing Electric Turbocompound...  

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

More Documents & Publications Diesel Engine Waste Heat Recovery Utilizing Electric Trubocompound Technology Diesel Engine Waste Heat Recovery Utilizing Electric...

242

Durability of Diesel Particulate Filters - Bench Studies on Cordierite...  

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

& Publications Requirements-Driven Diesel Catalyzed Particulate Trap Design and Optimization Development of Advanced Diesel Particulate Filtration (DPF) Systems fundamental...

243

Exhaust gas clean up process  

DOE Patents [OSTI]

A method of cleaning an exhaust gas containing particulates, SO/sub 2/ and NO/sub x/ is described. The method involves prescrubbing with water to remove HCl and most of the particulates, scrubbing with an aqueous absorbent containing a metal chelate and dissolved sulfite salt to remove NO/sub x/ and SO/sub 2/, and regenerating the absorbent solution by controlled heating, electrodialysis and carbonate salt addition. The NO/sub x/ is removed as N/sub 2/ gas or nitrogen sulfonate ions and the oxides of sulfur are removed as a valuable sulfate salt. 4 figs.

Walker, R.J.

1988-06-16T23:59:59.000Z

244

Exhaust gas clean up process  

DOE Patents [OSTI]

A method of cleaning an exhaust gas containing particulates, SO.sub.2 and NO.sub.x includes prescrubbing with water to remove HCl and most of the particulates, scrubbing with an aqueous absorbent containing a metal chelate and dissolved sulfite salt to remove NO.sub.x and SO.sub.2, and regenerating the absorbent solution by controlled heating, electrodialysis and carbonate salt addition. The NO.sub.x is removed as N.sub.2 or nitrogen-sulfonate ions and the oxides of sulfur are removed as a vaulable sulfate salt.

Walker, Richard J. (McMurray, PA)

1989-01-01T23:59:59.000Z

245

Exhaust Analyzer | Argonne National Laboratory  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmospheric Optical Depth7-1D: Vegetation ProposedUsing ZirconiaPolicy and Assistance100 tonusingdeposition. Exemption 4Exhaust Analyzer

246

Conversion of a diesel engine to a spark ignition natural gas engine  

SciTech Connect (OSTI)

Requirements for alternatives to diesel-fueled vehicles are developing, particularly in urban centers not in compliance with mandated air quality standards. An operator of fleets of diesel- powered vehicles may be forced to either purchase new vehicles or equip some of the existing fleets with engines designed or modified to run on alternative fuels. In converting existing vehicles, the operator can either replace the existing engine or modify it to burn an alternative fuel. Work described in this report addresses the problem of modifying an existing diesel engine to operate on natural gas. Tecogen has developed a technique for converting turbocharged automotive diesel engines to operate as dedicated spark-ignition engines with natural gas fuel. The engine cycle is converted to a more-complete-expansion cycle in which the expansion ratio of the original engine is unchanged while the effective compression ratio is lowered, so that engine detonation is avoided. The converted natural gas engine, with an expansion ratio higher than in conventional spark- ignition natural gas engines, offers thermal efficiency at wide-open- throttle conditions comparable to its diesel counterpart. This allows field conversion of existing engines. Low exhaust emissions can be achieved when the engine is operated with precise control of the fuel air mixture at stoichiometry with a 3-way catalyst. A Navistar DTA- 466 diesel engine with an expansion ratio of 16.5 to 1 was converted in this way, modifying the cam profiles, increasing the turbocharger boost pressure, incorporating an aftercooler if not already present, and adding a spark-ignition system, natural gas fuel management system, throttle body for load control, and an electronic engine control system. The proof-of-concept engine achieved a power level comparable to that of the diesel engine without detonation. A conversion system was developed for the Navistar DT 466 engine. NOx emissions of 1.5 g/bhp-h have been obtained.

NONE

1996-09-01T23:59:59.000Z

247

Effect of milk composition upon the partition coefficents of diacetyl, acetaldehyde, and ethanol in acidified milk products  

E-Print Network [OSTI]

temperature, with higher partition coefficients at 50'C. Concentration significantly affected the distribution of these flavor compounds between the air and aqueous phases. Diacetyl, acetaldehyde, and ethanol partition coefficients increased with increasing... SNF and milk fat concentrations in the milk matrix at either concentration of compounds or incubation temperature. The highest partition coefficients were observed in a milk matrix which contained 12% SNF or 20% milk fat. Interaction effects of SNF...

Lee, Kai-Ping

1991-01-01T23:59:59.000Z

248

DIESEL/HEAVY The diesel/heavy equipment certificate offers training in maintenance  

E-Print Network [OSTI]

DIESEL/HEAVY EQUIPMENT The diesel/heavy equipment certificate offers training in maintenance and repair of heavy equipment and trucks. Students will learn to work on electrical and air systems, diesel · Small Engines · Automotive Maintenance · Welding · Training for entry level heavy diesel equipment

Ickert-Bond, Steffi

249

Performance Characterization of a Medium-Duty Diesel Engine with Bio-Diesel and Petroleum Diesel Fuels  

E-Print Network [OSTI]

Torque Performance Curve. ...............35 Figure 9: Torque versus engine speed for conventional diesel fuel for 20%, 60%, and 75% loads....................................................................................36 Figure 10: Cycle fuel flow... versus engine speed for conventional diesel fuel for 20%, 60%, and 75% loads...........................................................................38 Figure 11: BSFC versus engine speed for conventional diesel fuel for 20%, 60%, and 75% load...

Esquivel, Jason

2010-01-16T23:59:59.000Z

250

Advanced Technology Light Duty Diesel Aftertreatment System ...  

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

Approach to Low Temperature NOx Emission Abatement Cummins' Next Generation Tier 2, Bin 2 Light Truck Diesel Engine ATP-LD; Cummins Next Generation Tier 2 Bin 2 Diesel Engine...

251

BMW Diesel - Engine Concepts for Efficient Dynamics  

Broader source: Energy.gov (indexed) [DOE]

"24 Hours of Nrburgring" 2001 - 2nd Gen. Common Rail (1600 bar) 2004 - Variable Twin Turbo - Diesel Particulate Filter of 2nd Gen. 1999 - First V8 Diesel Sedan in Premium...

252

Elastomer Compatibility Testing of Renewable Diesel Fuels  

SciTech Connect (OSTI)

In this study, the integrity and performance of six elastomers were tested with ethanol-diesel and biodiesel fuel blends.

Frame, E.; McCormick, R. L.

2005-11-01T23:59:59.000Z

253

Center for Diesel Research Potential Efficiency Improvement  

E-Print Network [OSTI]

Speed Histogram #12;Center for Diesel Research Results ­ Power Data Wasted power · Engine Hydraulic FanW Fan Power Histogram Fan Power Scatter Plot #12;Center for Diesel Research Results ­ Average AccessoryCenter for Diesel Research Potential Efficiency Improvement by Accessory Load Reduction on Hybrid

Minnesota, University of

254

Electrochemical NOx Sensor for Monitoring Diesel Emissions  

SciTech Connect (OSTI)

Increasingly stringent emissions regulations will require the development of advanced gas sensors for a variety of applications. For example, compact, inexpensive sensors are needed for detection of regulated pollutants, including hydrocarbons (HCs), CO, and NO{sub x}, in automotive exhaust. Of particular importance will be a sensor for NO{sub x} to ensure the proper operation of the catalyst system in the next generation of diesel (CIDI) automobiles. Because many emerging applications, particularly monitoring of automotive exhaust, involve operation in harsh, high-temperature environments, robust ceramic-oxide-based electrochemical sensors are a promising technology. Sensors using yttria-stabilized zirconia (YSZ) as an oxygen-ion-conducting electrolyte have been widely reported for both amperometric and potentiometric modes of operation. These include the well-known exhaust gas oxygen (EGO) sensor. More recently, ac impedance-based (i.e., impedance-metric) sensing techniques using YSZ have been reported for sensing water vapor, hydrocarbons, CO, and NO{sub x}. Typically small-amplitude alternating signal is applied, and the sensor response is measured at a specified frequency. Most impedance-metric techniques have used the modulus (or magnitude) at low frequencies (< 1 Hz) as the sensing signal and attribute the measured response to interfacial phenomena. Work by our group has also investigated using phase angle as the sensing signal at somewhat higher frequencies (10 Hz). The higher frequency measurements would potentially allow for reduced sampling times during sensor operation. Another potential advantage of impedance-metric NO{sub x} sensing is the similarity in response to NO and NO{sub 2} (i.e., total-NO{sub x} sensing). Potentiometric NO{sub x} sensors typically show higher sensitivity to NO2 than NO, and responses that are opposite in sign. However, NO is more stable than NO{sub 2} at temperatures > 600 C, and thermodynamic calculations predict {approx}90% NO, balance NO{sub 2}. Since automotive exhaust sensors will probably be required to operate at temperatures > 600 C, NO is the dominant component in thermodynamic equilibrium and the target NOx species. Also, the use of upstream catalysts could further promote the conversion of NO{sub x} species to NO. Therefore, the focus of current work is to investigate the response to NO. Nevertheless, minimizing the sensitivity to a variety of competing species is important in order to obtain the accuracy necessary for achieving the emission limits. Mitigating the effect of interfering gases (e.g., O{sub 2}, water vapor, HCs, etc.) is an area of current study. For impedance metric NO{sub x} sensors, our previous work has demonstrated that the cross-sensitivity to O{sub 2} may be accounted for by comparing measurements at multiple frequencies. Other strategies for compensation are also being explored, including calibration using data from existing sensors located nearby. Our current work has made significant advances in terms of developing prototype sensors more suitable for commercialization. Also, dynamometer testing has provided real-world sensor performance data that will be useful in approaching potential suppliers to whom we can transfer the technology for commercialization. The advances are a direct result of understanding the sensing mechanisms responsible for impedance-based NO{sub x} sensing and the effect of materials choice and sensor design/geometry.

Woo, L Y; Glass, R S

2008-11-14T23:59:59.000Z

255

Neural Modeling and Control of Diesel Engine with Pollution Constraints  

E-Print Network [OSTI]

The paper describes a neural approach for modelling and control of a turbocharged Diesel engine. A neural model, whose structure is mainly based on some physical equations describing the engine behaviour, is built for the rotation speed and the exhaust gas opacity. The model is composed of three interconnected neural submodels, each of them constituting a nonlinear multi-input single-output error model. The structural identi?cation and the parameter estimation from data gathered on a real engine are described. The neural direct model is then used to determine a neural controller of the engine, in a specialized training scheme minimising a multivariable criterion. Simulations show the effect of the pollution constraint weighting on a trajectory tracking of the engine speed. Neural networks, which are ?exible and parsimonious nonlinear black-box models, with universal approximation capabilities, can accurately describe or control complex nonlinear systems, with little a priori theoretical knowledge. The present...

Ouladsine, Mustapha; Dovifaaz, Xavier; 10.1007/s10846-005-3806-y

2009-01-01T23:59:59.000Z

256

A Waste Heat Recovery System for Light Duty Diesel Engines  

SciTech Connect (OSTI)

In order to achieve proposed fuel economy requirements, engines must make better use of the available fuel energy. Regardless of how efficient the engine is, there will still be a significant fraction of the fuel energy that is rejected in the exhaust and coolant streams. One viable technology for recovering this waste heat is an Organic Rankine Cycle. This cycle heats a working fluid using these heat streams and expands the fluid through a turbine to produce shaft power. The present work was the development of such a system applied to a light duty diesel engine. This lab demonstration was designed to maximize the peak brake thermal efficiency of the engine, and the combined system achieved an efficiency of 44.4%. The design of the system is discussed, as are the experimental performance results. The system potential at typical operating conditions was evaluated to determine the practicality of installing such a system in a vehicle.

Briggs, Thomas E [ORNL; Wagner, Robert M [ORNL; Edwards, Kevin Dean [ORNL; Curran, Scott [ORNL; Nafziger, Eric J [ORNL

2010-01-01T23:59:59.000Z

257

The fate of metal (Fe) during diesel combustion: Morphology, chemistry, and formation pathways of nanoparticles  

SciTech Connect (OSTI)

This report describes an investigation in which we used iron-doped diesel fuel to generate metal-bearing diesel particles and a subsequent analysis of the particles using transmission electron microscopy (TEM) and energy-dispersive spectroscopy (EDS). For this study, DPM was generated by a 1.5-L diesel engine and the fuel was doped with ferrocene to enhance the level of iron in the system. The exhaust particles were collected on TEM grids and analyzed using the Philips CM12 TEM/EDS instrument. Results show that when the iron-to-carbon (soot) ratio (Fe/C) in the engine is low, the exhaust particles have morphologies similar to those for the undoped case, but at a threshold Fe/C value of 0.013 (for this engine), homogeneously nucleated metallic nanoparticles are formed and begin agglomerating. The number and size of these nanoparticles increase with level of doping. Metal-bearing particles that span a wider size range are also formed. Agglomeration of metallic and carbon particles is observed in two distinct modes: attachment of iron primary particles (5-10 nm in diameter) to carbon agglomerates, and coagulation of iron agglomerates (20-200 nm in diameter) with carbon agglomerates. Results of this work imply that as new engine technologies reduce soot levels in the engine and/or levels of trace metals in the fuel are increased, the generation of metallic nanoparticles may ensue, creating a potential health concern. (author)

Miller, Art [NIOSH/Spokane Research Lab, Spokane, WA 99208 (United States); Ahlstrand, Gib [College of Biological Sciences, University of Minnesota, St. Paul, MN 55108 (United States); Kittelson, David [Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455 (United States); Zachariah, Michael [Department of Mechanical Engineering, University of Maryland, College Park, MD 20742 (United States)

2007-04-15T23:59:59.000Z

258

Diesel NO{sub x} reduction by plasma-regenerated absorbent beds  

DOE Patents [OSTI]

Reduction of NO{sub x} from diesel engine exhaust by use of plasma-regenerated absorbent beds is described. This involves a process for the reduction of NO{sub x} and particulates from diesel engines by first absorbing NO{sub x} onto a solid absorbent bed that simultaneously acts as a physical trap for the particulate matter, and second regenerating said solid absorbent by pulsed plasma decomposition of absorbed NO{sub x} followed by air oxidation of trapped particulate matter. The absorbent bed may utilize all metal oxides, but the capacity and the kinetics of absorption and desorption vary between different materials, and thus the composition of the absorbent bed is preferably a material which enables the combination of NO{sub x} absorption capability with catalytic activity for oxidation of hydrocarbons. Thus, naturally occurring or synthetically prepared materials may be utilized, particularly those having NO{sub x} absorption properties up to temperatures around 400 C which is in the area of diesel engine exhaust temperatures. 1 fig.

Wallman, P.H.; Vogtlin, G.E.

1998-02-10T23:59:59.000Z

259

Diesel NO.sub.x reduction by plasma-regenerated absorbend beds  

DOE Patents [OSTI]

Reduction of NO.sub.x from diesel engine exhaust by use of plasma-regenerated absorbent beds. This involves a process for the reduction of NO.sub.x and particulates from diesel engines by first absorbing NO.sub.x onto a solid absorbent bed that simultaneously acts as a physical trap for the particulate matter, and second regenerating said solid absorbent by pulsed plasma decomposition of absorbed NO.sub.x followed by air oxidation of trapped particulate matter. The absorbent bed may utilize all metal oxides, but the capacity and the kinetics of absorption and desorption vary between different materials, and thus the composition of the absorbent bed is preferably a material which enables the combination of NO.sub.x absorption capability with catalytic activity for oxidation of hydrocarbons. Thus, naturally occurring or synthetically prepared materials may be utilized, particularly those having NO.sub.x absorption properties up to temperatures around 400.degree. C. which is in the area of diesel engine exhaust temperatures.

Wallman, P. Henrik (Berkeley, CA); Vogtlin, George E. (Fremont, CA)

1998-01-01T23:59:59.000Z

260

Clean Coal Diesel Demonstration Project  

SciTech Connect (OSTI)

A Clean Coal Diesel project was undertaken to demonstrate a new Clean Coal Technology that offers technical, economic and environmental advantages over conventional power generating methods. This innovative technology (developed to the prototype stage in an earlier DOE project completed in 1992) enables utilization of pre-processed clean coal fuel in large-bore, medium-speed, diesel engines. The diesel engines are conventional modern engines in many respects, except they are specially fitted with hardened parts to be compatible with the traces of abrasive ash in the coal-slurry fuel. Industrial and Municipal power generating applications in the 10 to 100 megawatt size range are the target applications. There are hundreds of such reciprocating engine power-plants operating throughout the world today on natural gas and/or heavy fuel oil.

Robert Wilson

2006-10-31T23:59:59.000Z

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Application of oxygen-enriched combustion for locomotive diesel engines. Phase 1  

SciTech Connect (OSTI)

A thermodynamic simulation is used to study the effects of oxygen-enriched intake air on the performance and nitrogen oxide (NO) emissions of a locomotive diesel engine. The parasitic power of the air separation membrane required to supply the oxygen-enriched air is also estimated. For a given constraint on peak cylinder pressure, the gross and net power outputs of an engine operating under different levels of oxygen enrichment are compared with those obtained when a high-boost turbocharged engine is used. A 4% increase in peak cylinder pressure can result in an increase in net engine power of approximately 13% when intake air with an oxygen content of 28% by volume is used and fuel injection timing is retarded by 4 degrees. When the engine is turbocharged to a higher inlet boost, the same increase in peak cylinder pressure improves power by only 4%. If part of the significantly higher exhaust enthalpies available as a result of oxygen enrichment are recovered, the power requirements of the air separator membrane can be met, resulting in substantial net power improvements. Oxygen enrichment reduces particulate and visible smoke emissions but increases NO emissions. However, a combination of retarded fuel injection timing and post-treatment of exhaust gases may be adequate to meet the locomotive diesel engine NO{sub x} standards. Exhaust gas after-treatment and heat recovery would be required to realize the full potential of oxygen enrichment. Economic analysis shows that oxygen-enrichment technology is economically feasible and provides high returns on investment. The study also indicates the strong influence of membrane parasitic requirements and exhaust energy recovery on economic benefits. To obtain an economic advantage while using a membrane with higher parasitic power requirements, it is necessary to recover a part of the exhaust energy.

Poola, R.B.; Sekar, R.R.; Assanis, D.N.

1996-09-01T23:59:59.000Z

262

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps Develop Di-JiaDianneDieselDiesel

263

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDiesel prices continueDiesel

264

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDiesel pricesDiesel prices

265

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDiesel pricesDiesel

266

Diesel prices continue to fall  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDieselDiesel prices continue

267

Diesel prices continue to increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDieselDiesel prices

268

Diesel prices continue to increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDieselDiesel

269

Diesel prices remain fairly stable  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldieselDiesel pricesDiesel

270

Diesel prices see slight drop  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDieseldieselDieselDiesel prices see

271

Diesel fuel aromatic and cetane number effects on combustion and emissions from a prototype 1991 diesel engine  

SciTech Connect (OSTI)

This book reports on a prototype 1991-model diesel engine that was tested using EPA transient emissions procedures to determine the effect of fuel properties on combustion characteristics and exhaust emissions. The eleven test fuel set focused primarily on total aromatic content, multi-ring aromatic content, and cetane number, but other fuel variables were also studied. Hydrotreating was used to obtain reductions in fuel sulfur and aromatic content. Increasing cetane number and reducing aromatic content resulted in lower emissions of hydrocarbons and NO{sub x}. Particulate emission were best predicted by sulfur content, aromatic content and 90% distillation temperature. Multi-ring aromatics showed a greater significance that total aromatics on hydrocarbon and particulate emissions. combustion parameters were highly dependent on fuel cetane number.

Sienicki, E.J.; Jass, R.E.; Slodowske, W.J.; McCarthy, C.I.; Krodel, A.L.

1990-01-01T23:59:59.000Z

272

Biodiesel and Other Renewable Diesel Fuels  

SciTech Connect (OSTI)

Present federal tax incentives apply to certain types of biomass-derived diesel fuels, which in energy policy and tax laws are described either as renewable diesel or biodiesel. To understand the distinctions between these diesel types it is necessary to understand the technologies used to produce them and the properties of the resulting products. This fact sheet contains definitions of renewable and biodiesel and discusses the processes used to convert biomass to diesel fuel and the properties of biodiesel and renewable diesel fuels.

Not Available

2006-11-01T23:59:59.000Z

273

Exhaust gas recirculation system for an internal combustion engine  

DOE Patents [OSTI]

An exhaust gas recirculation system for an internal combustion engine comprises an exhaust driven turbocharger having a low pressure turbine outlet in fluid communication with an exhaust gas conduit. The turbocharger also includes a low pressure compressor intake and a high pressure compressor outlet in communication with an intake air conduit. An exhaust gas recirculation conduit fluidly communicates with the exhaust gas conduit to divert a portion of exhaust gas to a low pressure exhaust gas recirculation branch extending between the exhaust gas recirculation conduit and an engine intake system for delivery of exhaust gas thereto. A high pressure exhaust gas recirculation branch extends between the exhaust gas recirculation conduit and the compressor intake and delivers exhaust gas to the compressor for mixing with a compressed intake charge for delivery to the intake system.

Wu, Ko-Jen

2013-05-21T23:59:59.000Z

274

Physical properties of bio-diesel & Implications for use of bio-diesel in diesel engines  

SciTech Connect (OSTI)

In this study we identify components of a typical biodiesel fuel and estimate both their individual and mixed thermo-physical and transport properties. We then use the estimated mixture properties in computational simulations to gauge the extent to which combustion is modified when biodiesel is substituted for conventional diesel fuel. Our simulation studies included both regular diesel combustion (DI) and premixed charge compression ignition (PCCI). Preliminary results indicate that biodiesel ignition is significantly delayed due to slower liquid evaporation, with the effects being more pronounced for DI than PCCI. The lower vapor pressure and higher liquid heat capacity of biodiesel are two key contributors to this slower rate of evaporation. Other physical properties are more similar between the two fuels, and their impacts are not clearly evident in the present study. Future studies of diesel combustion sensitivity to both physical and chemical properties of biodiesel are suggested.

Chakravarthy, Veerathu K [ORNL; McFarlane, Joanna [ORNL; Daw, C Stuart [ORNL; Ra, Youngchul [ORNL; Griffin, Jelani K [ORNL; Reitz, Rolf [University of Wisconsin

2008-01-01T23:59:59.000Z

275

Influence of EGR (Exhaust Gas Recirculation) on Engine Components Durability & Lubricating Oil Condition  

E-Print Network [OSTI]

Abstract––Diesel engines are extensively used in automotive systems due to their low fuel consumption and very low CO emissions. Despite of these advantages, diesel engines suffer from environmental and health drawbacks such as high levels of NOx and particulate matter. Exhaust Gas Recirculation ( EGR) is an effective technique which is being used widely to control the NOx emissions from diesel engines. However, the use of EGR leads to rise in soot emission and it causes the problems inside the engine like degradation of lubricating oil, enhanced engine component wear etc. Therefore, it requires a study of influence of EGR on engine components and lubricating oil. This can be achieved only with different experimental investigation. In the present work, Engine test and Tribology test with lubricants ( Without EGR and With EGR) have been carried out to evaluate the effect of EGR on tribo- characteristics of engine components and lubricating oil condition. Influencing parameters like load, speed, temperature were selected as per the engine components operating condition. Friction and wear characteristics were measured and compared with the actual engine wear results to validate the test parameters. I.

Mrs Rita; S. Pimpalkar

276

Methanol fumigation of a light duty automotive diesel engine  

SciTech Connect (OSTI)

An Oldsmobile 5.7 l V-8 diesel engine was fumigated with methanol in amounts up to 40% of the fuel energy. The primary objectives of this study were to determine the effect of methanol fumigation on fuel efficiency, smoke, nitric oxide emission, and the occurrence of severe knock. An assessment of the biological activity for samples of the raw exhaust particulate and its soluable organic extract was also made using both the Ames Salmonella typhimurium test and the Bacillus subtilis Comptest. Results are presented for a test matrix consisting of twelve steady state operating conditions chosen to reflect over-the-road operation of a diesel engine powered automobile. Generally methanol fumigation was found to decrease NO emission for all conditions, to have a slight effect on smoke opacity, and to have a beneficial effect on fuel efficiency at higher loads. Also at higher loads the methanol was found to induce what was defined as knock limited operation. While the biological activity of the raw particulate was generally found to be lower than that of the soluble organic fraction, the fumigation of methanol appears to enhance this activity in both cases.

Houser, K.R.; Lestz, S.S.; Dukovich, M.; Yasbin, R.E.

1980-01-01T23:59:59.000Z

277

9th Diesel Engine Emissions Reduction (DEER) Workshop 2003  

SciTech Connect (OSTI)

The PowerTrap{trademark} is a non-exhaust temperature dependent system that cannot become blocked and features a controlled regeneration process independent of the vehicle's drive cycle. The system has a low direct-current power source requirement available in both 12-volt and 24-volt configurations. The system is fully programmable, fully automated and includes Euro IV requirements of operation verification. The system has gained European component-type approval and has been tested with both on- road and off-road diesel fuel up to 2000 parts per million. The device is fail-safe: in the event of a device malfunction, it cannot affect the engine's performance. Accumulated mileage testing is in excess of 640,000 miles to date. Vehicles include London-type taxicabs (Euro 1 and 2), emergency service fire engines (Euro 1, 2, and 3), inner city buses, and light-duty locomotives. Independent test results by Shell Global Solutions have consistently demonstrated 85-99 percent reduction of ultrafines across the 7-35 nanometer size range using a scanning mobility particle sizer with both ultra-low sulfur diesel and off-road high-sulfur fuel.

Kukla, P; Wright, J; Harris, G; Ball, A; Gu, F

2003-08-24T23:59:59.000Z

278

Effect of Heat Exchanger Material and Fouling on Thermoelectric Exhaust Heat Recovery  

SciTech Connect (OSTI)

This study is conducted in an effort to better understand and improve the performance of thermoelectric heat recovery systems for automotive use. For this purpose an experimental investigation of thermoelectrics in contact with clean and fouled heat exchangers of different materials is performed. The thermoelectric devices are tested on a bench-scale thermoelectric heat recovery apparatus that simulates automotive exhaust. The thermoelectric apparatus consists of a series of thermoelectric generators contacting a hot-side and a cold-side heat exchanger. The thermoelectric devices are tested with two different hot-side heat exchanger materials, stainless steel and aluminum, and at a range of simulated exhaust gas flowrates (40 to 150 slpm), exhaust gas temperatures (240 C and 280 C), and coolant-side temperatures (40 C and 80 C). It is observed that for higher exhaust gas flowrates, thermoelectric power output increases while overall system efficiency decreases. Degradation of the effectiveness of the EGR-type heat exchangers over a period of driving is also simulated by exposing the heat exchangers to diesel engine exhaust under thermophoretic conditions to form a deposit layer. For the fouled EGR-type heat exchangers, power output and system efficiency is observed to be significantly lower for all conditions tested. The study found, however, that heat exchanger material is the dominant factor in the ability of the system to convert heat to electricity with thermoelectric generators. This finding is thought to be unique to the heat exchangers used for this study, and not a universal trend for all system configurations.

Love, Norman [University of Texas, El Paso; Szybist, James P [ORNL; Sluder, Scott [ORNL

2011-01-01T23:59:59.000Z

279

Nano Catalysts for Diesel Engine Emission Remediation  

SciTech Connect (OSTI)

The objective of this project was to develop durable zeolite nanocatalysts with broader operating temperature windows to treat diesel engine emissions to enable diesel engine based equipment and vehicles to meet future regulatory requirements. A second objective was to improve hydrothermal durability of zeolite catalysts to at least 675 C. The results presented in this report show that we have successfully achieved both objectives. Since it is accepted that the first step in NO{sub x} conversion under SCR (selective catalytic reduction) conditions involves NO oxidation to NO{sub 2}, we reasoned that catalyst modification that can enhance NO oxidation at low-temperatures should facilitate NO{sub x} reduction at low temperatures. Considering that Cu-ZSM-5 is a more efficient catalyst than Fe-ZSM-5 at low-temperature, we chose to modify Cu-ZSM-5. It is important to point out that the poor low-temperature efficiency of Fe-ZSM-5 has been shown to be due to selective absorption of NH{sub 3} at low-temperatures rather than poor NO oxidation activity. In view of this, we also reasoned that an increased electron density on copper in Cu-ZSM-5 would inhibit any bonding with NH{sub 3} at low-temperatures. In addition to modified Cu-ZSM-5, we synthesized a series of new heterobimetallic zeolites, by incorporating a secondary metal cation M (Sc{sup 3+}, Fe{sup 3+}, In{sup 3+}, and La{sup 3+}) in Cu exchanged ZSM-5, zeolite-beta, and SSZ-13 zeolites under carefully controlled experimental conditions. Characterization by diffuse-reflectance ultra-violet-visible spectroscopy (UV-Vis), X-ray powder diffraction (XRD), extended X-ray absorption fine structure spectroscopy (EXAFS) and electron paramagnetic resonance spectroscopy (EPR) does not permit conclusive structural determination but supports the proposal that M{sup 3+} has been incorporated in the vicinity of Cu(II). The protocols for degreening catalysts, testing under various operating conditions, and accelerated aging conditions were provided by our collaborators at John Deere Power Systems. Among various zeolites reported here, CuFe-SSZ-13 offers the best NO{sub x} conversion activity in 150-650 C range and is hydrothermally stable when tested under accelerated aging conditions. It is important to note that Cu-SSZ-13 is now a commercial catalyst for NO{sub x} treatment on diesel passenger vehicles. Thus, our catalyst performs better than the commercial catalyst under fast SCR conditions. We initially focused on fast SCR tests to enable us to screen catalysts rapidly. Only the catalysts that exhibit high NO{sub x} conversion at low temperatures are selected for screening under varying NO{sub 2}:NO{sub x} ratio. The detailed tests of CuFe-SSZ-13 show that CuFe-SSZ-13 is more effective than commercial Cu-SSZ-13 even at NO{sub 2}:NO{sub x} ratio of 0.1. The mechanistic studies, employing stop-flow diffuse reflectance FTIR spectroscopy (DRIFTS), suggest that high concentration of NO{sup +}, generated by heterobimetallic zeolites, is probably responsible for their superior low temperature NO{sub x} activity. The results described in this report clearly show that we have successfully completed the first step in a new emission treatment catalyst which is synthesis and laboratory testing employing simulated exhaust. The next step in the catalyst development is engine testing. Efforts are in progress to obtain follow-on funding to carry out scale-up and engine testing to facilitate commercialization of this technology.

Narula, Chaitanya Kumar [ORNL; Yang, Xiaofan [ORNL; Debusk, Melanie Moses [ORNL; Mullins, David R [ORNL; Mahurin, Shannon Mark [ORNL; Wu, Zili [ORNL

2012-06-01T23:59:59.000Z

280

Understanding Automotive Exhaust Catalysts Using a Surface Science...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Automotive Exhaust Catalysts Using a Surface Science Approach: Model NOx Storage Materials. Understanding Automotive Exhaust Catalysts Using a Surface Science Approach: Model NOx...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Combustion Exhaust Gas Heat to Power Using Thermoelectric Engines...  

Broader source: Energy.gov (indexed) [DOE]

Combustion Exhaust Gas Heat to Power Using Thermoelectric Engines Combustion Exhaust Gas Heat to Power Using Thermoelectric Engines Discusses a novel TEG which utilizes a...

282

Thermoelectric Conversion of Exhaust Gas Waste Heat into Usable...  

Broader source: Energy.gov (indexed) [DOE]

Thermoelectric Conversion of Exhaust Gas Waste Heat into Usable Electricity Thermoelectric Conversion of Exhaust Gas Waste Heat into Usable Electricity Presents successful...

283

Light weight and economical exhaust heat exchanger for waste...  

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

exhaust heat exchanger for waste heat recovery using mixed radiant and convective heat transfer Light weight and economical exhaust heat exchanger for waste heat recovery...

284

Selective Catalytic Reduction and Exhaust Gas Recirculation Systems...  

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

Reduction and Exhaust Gas Recirculation Systems Optimization Selective Catalytic Reduction and Exhaust Gas Recirculation Systems Optimization A patented EGR-SCR approach was shown...

285

Coal-fired diesel generator  

SciTech Connect (OSTI)

The objective of the proposed project is to test the technical, environmental, and economic viability of a coal-fired diesel generator for producing electric power in small power generating markets. Coal for the diesel generator would be provided from existing supplies transported for use in the University`s power plant. A cleanup system would be installed for limiting gaseous and particulate emissions. Electricity and steam produced by the diesel generator would be used to supply the needs of the University. The proposed diesel generator and supporting facilities would occupy approximately 2 acres of land adjacent to existing coal- and oil-fired power plant and research laboratory buildings at the University of Alaska, Fairbanks. The environmental analysis identified that the most notable changes to result from the proposed project would occur in the following areas: power plant configuration at the University of Alaska, Fairbanks; air emissions, water use and discharge, and the quantity of solid waste for disposal; noise levels at the power plant site; and transportation of coal to the power plant. No substantive adverse impacts or environmental concerns were identified in analyzing the effects of these changes.

NONE

1997-05-01T23:59:59.000Z

286

Measurements and calculations of oscillations and phase relations in the driven gas-phase combustion of acetaldehyde  

SciTech Connect (OSTI)

Oscillations in light emission and species concentrations, are measured as periodic perturbations are simultaneously applied to the input rates of acetaldehyde and oxygen in the gas-phase combustion of acetaldehyde in a continuous-flow stirred tank reactor for conditions where the autonomous reaction itself is oscillatory. The experimental results are compared with the predictions of a five-variable thermokinetic model. We measure periodic responses in the fundamental entrainment band (ratio of frequency of perturbation to frequency of response equal to unity) for four different values of phase shift between the acetaldehyde and oxygen perturbation wave forms as we vary the frequency and amplitude of the external periodic perturbations. Outside of the entrainment bands we find quasiperiodic response. We determine the phases of the light emission and six species concentrations, as measured with a mass spectrometer, with respect to the periodic perturbation, the variation of these phases across the fundamental entrainment band for different values of reactant phase shift and for different amplitudes of perturbation, and the effects of the phase shift between the two input perturbations on the light emission response of the system for different frequencies of perturbation. Both the experiments and calculations predict a widening of the entrainment band with an increase in perturbation amplitude, and the same variation in bandwidths for the four values of reactant phase shift studied. The experiments and calculations also predict the same general trends in light phase and species phases (difference between the light emission and species concentrations with respect to the perturbing wave form) as the band is traversed for different amplitudes of perturbation and for different values of reactant phase shift.

Tsujimoto, K.K.; Hjelmfelt, A.; Ross, J. (Department of Chemistry, Stanford University, Stanford, California (USA))

1991-09-01T23:59:59.000Z

287

OVERVIEW OF EMERGING CLEAN DIESEL ENGINE TECHNOLOGY  

SciTech Connect (OSTI)

Diesel engines are the most realistic technology to achieve a major improvement in fuel economy in the next decade. In the US light truck market, i.e. Sport Utility Vehicles , pick-up trucks and mini-vans, diesel engines can more than double the fuel economy of similarly rated spark ignition (SI) gasoline engines currently in these vehicles. These new diesel engines are comparable to the SI engines in noise levels and 0 to 60 mph acceleration. They no longer have the traditional ''diesel smell.'' And the new diesel engines will provide roughly twice the service life. This is very significant for resale value which could more than offset the initial premium cost of the diesel engine over that of the SI gasoline engine. So why are we not seeing more diesel engine powered personal vehicles in the U.S.? The European auto fleet is comprised of a little over 30 percent diesel engine powered vehicles while current sales are about 50 percent diesel. In France, over 70 percent of the luxury class cars i.e. Mercedes ''S'' Class, BMW 700 series etc., are sold with the diesel engine option selected. Diesel powered BMW's are winning auto races in Germany. These are a typical of the general North American perspective of diesel powered autos. The big challenge to commercial introduction of diesel engine powered light trucks and autos is compliance with the Environmental Protection Agency (EPA) Tier 2, 2007 emissions standards. Specifically, 0.07gm/mile Oxides of Nitrogen (NOx) and 0.01 gm/mile particulates (PM). Although the EPA has set a series of bins of increasing stringency until the 2007 levels are met, vehicle manufacturers appear to want some assurance that Tier 2, 2007 can be met before they commit an engine to a vehicle.

Fairbanks, John

2001-08-05T23:59:59.000Z

288

Design of a diesel exhaust-gas purification system for inert-gas drilling  

SciTech Connect (OSTI)

To combat the serious oxygen corrosion of drill pipe when a low density drilling fluid (air or mist) is used in geothermal drilling, a system has been designed that produces an inert gas (essentially nitrogen) to be substituted for air. The system fits on three flatbed trailers, is roadable and produces 2000 scfm of gas. The projected cost for gas is slightly less than $2.00 per thousand standard cubic feet.

Caskey, B.C.

1982-01-01T23:59:59.000Z

289

The Effect of Metal Salts on Quantification of Elemental and Organic Carbon in Diesel Exhaust  

E-Print Network [OSTI]

Cl3 0.84 FeCl3·6H2O 0.16 FeCl2 0.48 FeCl2·4H2O 0.52 CaCl2 0.00 CaCl2·6H2O 1.00 CuCl2 0.21 CuCl2·2H2O 0 samples. 0 50 100 150 200 250 0 50 100 150 200 250 CaCl2 CuCl CuCl2 CuSO4 Fe2(SO4)3 FeCl2 FeCl3 KCl MgCl2 Temperature (ºC) 900800700600 NaCl Na2SO4 KCl MgCl2 CaCl2 FeCl2 MnCl2 FeCl3 Fe2(SO4)3 CuCl CuCl2 CuSO4 ZnCl2

Meskhidze, Nicholas

290

The Potential of GTL Diesel to Meet Future Exhaust Emission Limits  

Broader source: Energy.gov (indexed) [DOE]

Rate Rate of Cyl. Pressure Rise Injector Signal Injector Signal Rate of Cyl. Pressure Rise Cylinder Pressure Heat Release Rate -30 -20 -10 0 10 20 30 40 50 -30 -20 -10 0 10 20...

291

Strength and Fatigue of NT551 Silicon Nitride and NT551 Diesel Exhaust Valves  

SciTech Connect (OSTI)

The content of this report is excerpted from Mark Andrew's Ph.D. Thesis (Andrews, 1999), which was funded by a DOEYOTT High Temperature Materials Laboratory Graduate Fellowship. It involves the characterization of NT551 and valves fabricated with it. Greater detail of the described issues may be found in that reference or through communications with Andrew Wereszczak.

Andrews, M.J.; Wereszczak, A.A.; Kirkland, T.P.; Breder, K.

2000-02-01T23:59:59.000Z

292

Engine Performance and Exhaust Emissions of a Diesel Engine From Various Biodiesel Feedstock  

E-Print Network [OSTI]

Increasing fuel prices, stricter government policies, and technological developments made it possible to seek for renewable alternatives, called biofuels, to petroleum fuel. Biodiesel, a biofuel that is produced from chemically mixing animal fat...

Santos, Bjorn Sanchez

2011-02-22T23:59:59.000Z

293

Late - Cycle Injection of Air/Oxygen - Enriched Air for Diesel Exhaust Emissions Control  

SciTech Connect (OSTI)

Reduce the ''Engine Out'' particulates using the ''In Cylinder'' technique of late cycle auxiliary gas injection (AGI). Reduce the ''Engine Out'' NOx by combining AGI with optimization of fuel injection parameters. Maintain or Improve the Fuel Efficiency.

Mather, Daniel

2000-08-20T23:59:59.000Z

294

Global kinetics for a commercial diesel oxidation catalyst with two exhaust  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensional Subject: Guidance forGeospatialSession)ShopThe Current

295

Comparative Study on Exhaust Emissions from Diesel- and CNG-Powered Urban  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartmentTieCelebrate Earth Codestheat Two AluminumWHAT:Energy1Company

296

Mechanisms of Oxidation-Enhanced Wear in Diesel Exhaust Valves | Department  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department of EnergyDevelopmentTechnologies | Department ofMeasuringof Energy

297

The Effect of Changes in Diesel Exhaust Composition and After-Treatment  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of Energy StrainClientDesignOfficeTheDepartmentAgreement |TheTechnology on

298

The Impact of Oil Consumption Mechanisms on Diesel Exhaust Particle Size  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of EnergyThe Energy Department Feeds11, 2008 ThePerformance

299

The Potential of Elelcltric Exhaust Gas Turbocharging for HD DIesel Engines  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of EnergyThe Energy Department Feeds11,IndustrialDepartmentThe Planet|

300

The Potential of GTL Diesel to Meet Future Exhaust Emission Limits |  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of EnergyThe Energy Department Feeds11,IndustrialDepartmentThe

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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.


301

Effect of Exhaust Gas Recirculation (EGR) on Diesel Engine Oil - Impact on  

Broader source: Energy.gov (indexed) [DOE]

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May Jun Jul(Summary) "ofEarly Career Scientists'Montana.Program - LibbyofThisStatement Tuesday, SeptemberofEbonyDataNRELIncrease

302

A High Temperature Direct Vehicle Exhaust Flowmeter for Heavy Duty Diesel  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up from theDepartment(October-DecemberBased onIn-Cylinder Laser DiagnosticsDOEA

303

Evaluation of SCR and DOC/CPF Tech in Diesel Exhaust Emission Control to  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat PumpRecord ofESPCof EnergyHouse11 DOE Hydrogen and Fuel| DepartmentMeet U.S.

304

Exhaust Heat Driven Rankine Cycle for a Heavy Duty Diesel Engine |  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat PumpRecord ofESPCof EnergyHouse11 DOEExhaust energy recovery2010

305

Reduction of NOx in Synthetic Diesel Exhaust via Two-Step Plasma-Catalysis  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -the Mid-Infrared at 278, 298,NIST 800-53 NationalTreatment. | EMSL NOx in

306

Effects of Diesel Exhaust Emissions on Soot Oxidation and DPF Regeneration  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat PumpRecord ofESPC ENABLE: ECM Summary ECMWear |Characteristics |and NOX Control|

307

CF8C PLus: A New Cast Stainless Steel for High-Temperature Diesel Exhaust  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-Up fromDepartmentTie Ltd:June 2015 <Ones | DepartmentCEEComponents | Department of

308

SCR-DPF Integrations for Diesel ExhaustPerformance and Perspectives for  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l LPROJECTS IN7 Roadmap for BioenergyBuildingAssessments,Standards inHigh

309

Impact of Fuel Metal Impurities on Diesel Exhaust Catalysts | Department of  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeatMulti-Dimensionalthe U.S. Department-2023 Idaho4 AUDITof

310

Modeling of Diesel Exhaust Systems: A methodology to better simulate soot  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l L d F S i DOE TribaltheMyMinutes fromBased| Department ofofRatio

311

Unique Catalyst System for NOx Reduction in Diesel Exhaust | Department of  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion |Energy Usage »of EnergyTheTwo New EnergyofDEVELOPMENTEnergy 1n n d d e eUnion

312

Two phase exhaust for internal combustion engine  

DOE Patents [OSTI]

An internal combustion engine having a reciprocating multi cylinder internal combustion engine with multiple valves. At least a pair of exhaust valves are provided and each supply a separate power extraction device. The first exhaust valves connect to a power turbine used to provide additional power to the engine either mechanically or electrically. The flow path from these exhaust valves is smaller in area and volume than a second flow path which is used to deliver products of combustion to a turbocharger turbine. The timing of the exhaust valve events is controlled to produce a higher grade of energy to the power turbine and enhance the ability to extract power from the combustion process.

Vuk, Carl T. (Denver, IA)

2011-11-29T23:59:59.000Z

313

Reduction of idle knock by EGR in a passenger car diesel engine  

SciTech Connect (OSTI)

In order to reduce the diesel idle knock, the effects of EGR on the idling characteristics were investigated on a passenger car equipped with an EGR Idle Knock Reduction System developed for practical use. It was found that EGR was effective not only for reducing idle knock but also for decreasing fuel consumption, smoke density, exhaust emissions and engine vibration. Moreover, the practical range and possibility of the EGR Idle Knock Reduction System were found by clarifying the relationship between EGR, injection timing, cooling water temperature, noise level and fuel consumption.

Fukutani, I.; Watanabe, E.

1984-01-01T23:59:59.000Z

314

Exhaust Gas Energy Recovery Technology Applications  

SciTech Connect (OSTI)

Exhaust waste heat recovery systems have the potential to significantly improve vehicle fuel economy for conventional and hybrid electric powertrains spanning passenger to heavy truck applications. This chapter discusses thermodynamic considerations and three classes of energy recovery technologies which are under development for vehicle applications. More specifically, this chapter describes the state-of-the-art in exhaust WHR as well as challenges and opportunities for thermodynamic power cycles, thermoelectric devices, and turbo-compounding systems.

Wagner, Robert M [ORNL] [ORNL; Szybist, James P [ORNL] [ORNL

2014-01-01T23:59:59.000Z

315

High speed exhaust gas recirculation valve  

DOE Patents [OSTI]

In order to minimize pollutants such as Nox, internal combustion engines typically include an exhaust gas recirculation (EGR) valve that can be used to redirect a portion of exhaust gases to an intake conduit, such as an intake manifold, so that the redirected exhaust gases will be recycled. It is desirable to have an EGR valve with fast-acting capabilities, and it is also desirable to have the EGR valve take up as little space as possible. An exhaust gas recirculation valve is provided that includes an exhaust passage tube, a valve element pivotally mounted within the exhaust passage tube, a linear actuator; and a gear train. The gear train includes a rack gear operatively connected to the linear actuator, and at least one rotatable gear meshing with the rack gear and operatively connected to the valve element to cause rotation of the valve element upon actuation of the linear actuator. The apparatus provides a highly compact package having a high-speed valve actuation capability.

Fensom, Rod (Peterborough, GB); Kidder, David J. (Peterborough, GB)

2005-01-18T23:59:59.000Z

316

Edinburgh Research Explorer Pulmonary diesel particulate increases susceptibility to  

E-Print Network [OSTI]

Edinburgh Research Explorer Pulmonary diesel particulate increases susceptibility to myocardial, MR & Gray, GA 2014, 'Pulmonary diesel particulate increases susceptibility to myocardial ischemia. Pulmonary diesel particulate increases susceptibility to myocardial ischemia/reperfusion injury via

Millar, Andrew J.

317

A Comparison of Combustion and Emissions of Diesel Fuels and...  

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

A Comparison of Combustion and Emissions of Diesel Fuels and Oxygenated Fuels in a Modern DI Diesel Engine A Comparison of Combustion and Emissions of Diesel Fuels and Oxygenated...

318

The California Demonstration Program for Control of PM from Diesel...  

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

of PM from Diesel Backup Generators Measuring "Real World" Heavy-Duty Diesel Emissions with a Mobile Lab Emissions from In-Use NG, Propane, and Diesel Fueled Heavy Duty Vehicles...

319

REVIEW OF DIESEL PARTICULATE MATTER SAMPLING METHODS Supplemental Report # 2  

E-Print Network [OSTI]

REVIEW OF DIESEL PARTICULATE MATTER SAMPLING METHODS Supplemental Report # 2 AEROSOL DYMAMICS Arnold University of Minnesota Department of Mechanical Engineering Center for Diesel Research................................................................................................. 3 Diesel aerosol composition and structure................................................... 3

Minnesota, University of

320

Cutting NOx from Diesel Engines with Membrane-Generated Nitrogen...  

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

Cutting NOx from Diesel Engines with Membrane-Generated Nitrogen-Enriched Air Cutting NOx from Diesel Engines with Membrane-Generated Nitrogen-Enriched Air 2005 Diesel Engine...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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.


321

Emissions comparison between petroleum diesel and biodiesel in a medium-duty diesel engine  

E-Print Network [OSTI]

EMISSIONS COMPARISON BETWEEN PETROLEUM DIESEL AND BIODIESEL IN A MEDIUM-DUTY DIESEL ENGINE A Thesis by BRANDON T. TOMPKINS Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE December 2008 Major Subject: Mechanical Engineering EMISSIONS COMPARISON BETWEEN PETROLEUM DIESEL AND BIODIESEL IN A MEDIUM-DUTY DIESEL ENGINE A Thesis by BRANDON T...

Tompkins, Brandon T.

2009-05-15T23:59:59.000Z

322

UNDERSTANDING THE EFFECT OF DYNAMIC FEED CONDITIONS ON WATER RECOVERY FROM IC ENGINE EXHAUST BY CAPILLARY CONDENSATION WITH INORGANIC MEMBRANES  

SciTech Connect (OSTI)

An inorganic membrane water recovery concept is evaluated as a method to recovering water from the exhaust of an internal combustion engine. Integrating the system on-board a vehicle would create a self-sustaining water supply that would make engine water injection technologies consumer transparent . In laboratory experiments, water recovery from humidified air was measured to evaluate how different operating parameters affect the membrane system s efficiency. The observed impact of transmembrane pressure and gas flow rate suggest that gas residence time is more important than water flux through the membrane. Heat transfer modeling suggests that increasing membrane length can be used to improve efficiency and allow greater flow per membrane, an important parameter for practical applications where space is limited. The membrane water recovery concept was also experimentally validated by extracting water from diesel exhaust coming from a stationary generator. The insight afforded by these studies provides a basis for developing improved membrane designs that balance both efficiency and cost.

DeBusk, Melanie Moses [ORNL] [ORNL; Bischoff, Brian L [ORNL] [ORNL; Hunter, James A [ORNL] [ORNL; Klett, James William [ORNL] [ORNL; Nafziger, Eric J [ORNL] [ORNL; Daw, C Stuart [ORNL] [ORNL

2014-01-01T23:59:59.000Z

323

Further improvement of conventional diesel NOx aftertreatment...  

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

More Documents & Publications Future Directions in Engines and Fuels Diesel Passenger Car Technology for Low Emissions and CO2 Compliance A View from the Bridge...

324

Indiana: Improving Diesel Engine Performance for Trucks  

Office of Energy Efficiency and Renewable Energy (EERE)

Cummins, the world's largest diesel engine manufacturer, received funds from EERE to research advanced engine technology for heavy-duty and light-duty vehicles.

325

Multicylinder Diesel Engine Design for HCCI Operation  

Broader source: Energy.gov (indexed) [DOE]

7 DEER Detroit August 12-16 Multicylinder Diesel Engine Design for HCCI operation William de Ojeda Phil Zoldak, Ral Espinoza, Raj Kumar, Chunyi Xia, Dan Cornelius International...

326

SCR & DPF RETROFITS FOR MOBILE DIESEL ENGINES  

Broader source: Energy.gov (indexed) [DOE]

SCR & DPF RETROFITS FOR MOBILE DIESEL ENGINES Thierry Leprince & Phil Roberts Extengine Transport Systems, LLC 1370 South Acacia Avenue Fullerton, CA - 92831 www.extengine.com...

327

Electrochemical NOx Sensors for Monitoring Diesel Emissions  

Broader source: Energy.gov (indexed) [DOE]

x Sensors for Monitoring Diesel Emissions This work performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract...

328

Review of Diesel Emission Control Technology  

Broader source: Energy.gov (indexed) [DOE]

Diesel Emission Control Technology Tim Johnson August 2002 2 Outline * Introduction - Regulatory update and technology approaches * Ultrafines * Filters * NOx - LNC - SCR - LNT *...

329

Review of Emerging Diesel Emissions and Control  

Broader source: Energy.gov (indexed) [DOE]

Emerging Diesel Emissions and Control Tim Johnson DEER Conference Dearborn, MI August 4, 2009 2 Corning Incorporated Summary * Criteria pollutant regulatory efforts are focused on...

330

Diesel Particulate Filtration (DPF) Technology: Success stories...  

Broader source: Energy.gov (indexed) [DOE]

Diesel Particulate Filtration (DPF) Technology: Success stories at the High Temperature Materials Laboratory (HTML) User Program Dr. Amit Shyam, ORNL Sponsored by U.S. Department...

331

Optimization of Advanced Diesel Engine Combustion Strategies  

Broader source: Energy.gov (indexed) [DOE]

- UW-ERC 1 "University Research in Advanced Combustion and Emissions Control" Optimization of Advanced Diesel Engine Combustion Strategies Profs. Rolf Reitz, D. Foster, J....

332

Diesel Particulate Filtration (DPF) Technology: Success stories...  

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

Success stories at the High Temperature Materials Laboratory (HTML) User Program Diesel Particulate Filtration (DPF) Technology: Success stories at the High Temperature...

333

Staged direct injection diesel engine  

DOE Patents [OSTI]

A diesel engine having staged injection for using lower cetane number fuels than No. 2 diesel fuel. The engine includes a main fuel injector and a pilot fuel injector. Pilot and main fuel may be the same fuel. The pilot injector injects from five to fifteen percent of the total fuel at timings from 20.degree. to 180.degree. BTDC depending upon the quantity of pilot fuel injected, the fuel cetane number and speed and load. The pilot fuel injector is directed toward the centerline of the diesel cylinder and at an angle toward the top of the piston, avoiding the walls of the cylinder. Stratification of the early injected pilot fuel is needed to reduce the fuel-air mixing rate, prevent loss of pilot fuel to quench zones, and keep the fuel-air mixture from becoming too fuel lean to become effective. In one embodiment, the pilot fuel injector includes a single hole for injection of the fuel and is directed at approximately 48.degree. below the head of the cylinder.

Baker, Quentin A. (San Antonio, TX)

1985-01-01T23:59:59.000Z

334

Oxygen-Enriched Combustion for Military Diesel Engine Generators...  

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

Combustion for Military Diesel Engine Generators Oxygen-Enriched Combustion for Military Diesel Engine Generators Substantial increases in brake power and considerably lower peak...

335

The California Demonstration Program for Control of PM from Diesel...  

Broader source: Energy.gov (indexed) [DOE]

Environmental Research and Technology EPA's AP-42 Emission Factors - Small Diesel SMALL DIESEL (< 600 hp) Emission Factor Emission Factor Emission Factor Emission (lbhp-hr) (g...

336

Microwave Regenerated DPF for Auxiliary Power Units and Diesel...  

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

Microwave Regenerated DPF for Auxiliary Power Units and Diesel Hybrid Vehicles Microwave Regenerated DPF for Auxiliary Power Units and Diesel Hybrid Vehicles Microwave regeneration...

337

Modeling Combustion Control for High Power Diesel Mode Switching...  

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

Combustion Control for High Power Diesel Mode Switching Modeling Combustion Control for High Power Diesel Mode Switching Poster presentation given at the 16th Directions in...

338

Low Temperature Combustion and Diesel Emission Reduction Research...  

Broader source: Energy.gov (indexed) [DOE]

Low Temperature Combustion and Diesel Emission Reduction Research Low Temperature Combustion and Diesel Emission Reduction Research Presentation given at DEER 2006, August 20-24,...

339

Advanced Diesel Common Rail Injection System for Future Emission...  

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

Common Rail Injection System for Future Emission Legislation Advanced Diesel Common Rail Injection System for Future Emission Legislation 2004 Diesel Engine Emissions Reduction...

340

Simplification of Diesel Emission Control System Packaging Using...  

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

Simplification of Diesel Emission Control System Packaging Using SCR Coated on DPF Simplification of Diesel Emission Control System Packaging Using SCR Coated on DPF Study...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Fuel Formulation Effects on Diesel Fuel Injection, Combustion...  

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

Formulation Effects on Diesel Fuel Injection, Combustion, Emissions and Emission Control Fuel Formulation Effects on Diesel Fuel Injection, Combustion, Emissions and Emission...

342

Visualization of UHC Emissions for Low-Temperature Diesel Engine...  

Broader source: Energy.gov (indexed) [DOE]

Visualization of UHC Emissions for Low-Temperature Diesel Engine Combustion Visualization of UHC Emissions for Low-Temperature Diesel Engine Combustion Presentation given at DEER...

343

Emissions and Durability of Underground Mining Diesel Particulate...  

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

and Durability of Underground Mining Diesel Particulate Filter Applications Emissions and Durability of Underground Mining Diesel Particulate Filter Applications Presentation given...

344

Assessment of Health Hazards of Repeated Inhalation of Diesel...  

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

Health Hazards of Repeated Inhalation of Diesel Emissions, with Comparisons to Other Source Emissions Assessment of Health Hazards of Repeated Inhalation of Diesel Emissions, with...

345

Dilute Clean Diesel Combustion Achieves Low Emissions and High...  

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

Dilute Clean Diesel Combustion Achieves Low Emissions and High Efficiency While Avoiding Control Problems of HCCI Dilute Clean Diesel Combustion Achieves Low Emissions and High...

346

Measurement of diesel solid nanoparticle emissions using a catalytic...  

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

diesel solid nanoparticle emissions using a catalytic stripper for comparison with Europe's PMP protocol Measurement of diesel solid nanoparticle emissions using a catalytic...

347

Design Case Summary: Production of Gasoline and Diesel from Biomass...  

Energy Savers [EERE]

Design Case Summary: Production of Gasoline and Diesel from Biomass via Fast Pyrolysis, Hydrotreating, and Hydrocracking Design Case Summary: Production of Gasoline and Diesel from...

348

Production of Gasoline and Diesel from Biomass via Fast Pyrolysis...  

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

Production of Gasoline and Diesel from Biomass via Fast Pyrolysis, Hydrotreating and Hydrocracking: A Design Case Production of Gasoline and Diesel from Biomass via Fast Pyrolysis,...

349

Durability of Diesel Engine Particulate Filters (Agreement ID...  

Broader source: Energy.gov (indexed) [DOE]

Durability of Diesel Engine Particulate Filters (Agreement ID:10461) Durability of Diesel Engine Particulate Filters (Agreement ID:10461) 2013 DOE Hydrogen and Fuel Cells Program...

350

Hydrogen Assisted Diesel Combustion in a Common Rail Turbodiesel...  

Broader source: Energy.gov (indexed) [DOE]

Assisted Diesel Combustion in a Common Rail Turbodiesel Engine P-3 Hydrogen Assisted Diesel Combustion in a Common Rail Turbodiesel Engine P-3 Gregory Lilik, Jos Martn...

351

Hydrogen Assisted Diesel Combustion in a Common Rail Turbodiesel...  

Broader source: Energy.gov (indexed) [DOE]

Hydrogen Assisted Diesel Combustion in a Common Rail Turbodiesel Engine Hydrogen Assisted Diesel Combustion in a Common Rail Turbodiesel Engine This study measured the effects of...

352

The California Demonstration Program for Control of PM from Diesel...  

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

Backup Generators (BUGs) CARB Verification of Catalyzed Diesel Particulate Filters for Emergency Generator Sets Measuring "Real World" Heavy-Duty Diesel Emissions with a Mobile Lab...

353

Onboard Plasmatron Generation of Hydrogen rich Gas for Diesel...  

Broader source: Energy.gov (indexed) [DOE]

Technology, Dr. S. Diamond ** Plasma Science and Fusion Center, MIT ***Sloan Automobile Laboratory, MIT Diesel Plasmatron Reformers * Enhanced conversion of diesel fuel...

354

Modeling Combustion Control for High Power Diesel Mode Switching  

Broader source: Energy.gov (indexed) [DOE]

and Emissions Research Conference 2010 Modeling Combustion Control for High Power Diesel Mode Switching P-20 Motivation * High power LTC-diesel mode operation * Transient...

355

Recent Diesel Engine Emission Mitigation Activities of the Maritime...  

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

Diesel Engine Emission Mitigation Activities of the Maritime Administration Energy Technologies Program Recent Diesel Engine Emission Mitigation Activities of the Maritime...

356

Rapid Aging Protocols for Diesel Aftertreatment Devices: NOx...  

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

Rapid Aging Protocols for Diesel Aftertreatment Devices: NOx Abatement Catalysts Rapid Aging Protocols for Diesel Aftertreatment Devices: NOx Abatement Catalysts Poster...

357

EA-1795: Diamond Green Diesel Facility in Norco, LA | Department...  

Broader source: Energy.gov (indexed) [DOE]

April 1, 2011 EA-1795: Final Environmental Assessment Loan Guarantee to Diamond Green Diesel, LLC for Construction of the Diamond Green Diesel Facility in Norco, Louisiana April...

358

Eaton Aftertreatment System (EAS) for On-Highway Diesel Engines  

Broader source: Energy.gov (indexed) [DOE]

System (EAS) for On- Highway Diesel Engines Highway Diesel Engines Haoran Hu Eaton Corporation August 22, 2006 2004 Eaton Corporation. All rights reserved. Agenda...

359

Diesel Soot Filter Characterization and Modeling for Advanced...  

Broader source: Energy.gov (indexed) [DOE]

Publications Diesel Soot Filter Characterization and Modeling for Advanced Substrates (CRADA with DOW Automotive) Diesel Soot Filter Characterization and Modeling for Advanced...

360

Development of Advanced Diesel Particulate Filtration (DPF) Systems...  

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

Filters Development of Advanced Diesel Particulate Filtration (DPF) Systems Development of Advanced Diesel Particulate Filtration (DPF) Systems (ANLCorningCaterpillar CRADA)...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Development of Advanced Diesel Particulate Filtration (DPF) Systems...  

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

of Advanced Diesel Particulate Filtration (DPF) Systems (ANLCorningCaterpillar CRADA) Development of Advanced Diesel Particulate Filtration (DPF) Systems Development of...

362

Clean Diesel: The Progress, The Message, The Opportunity  

Broader source: Energy.gov (indexed) [DOE]

and are selling... and here's what people here's what people are saying are saying Image, Story Courtesy of Diesel Progress Washington Policymakers Have Seen the New Diesel...

363

Burning Modes and Oxidation Rates of Soot: Relevance to Diesel...  

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

Burning Modes and Oxidation Rates of Soot: Relevance to Diesel Particulate Traps Burning Modes and Oxidation Rates of Soot: Relevance to Diesel Particulate Traps Presentation given...

364

Development of an Accelerated Ash-Loading Protocol for Diesel...  

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

an Accelerated Ash-Loading Protocol for Diesel Particulate Filters Development of an Accelerated Ash-Loading Protocol for Diesel Particulate Filters Poster presentation at the 2007...

365

Effects of an Accelerated Diesel Engine Replacement/Retrofit Program  

E-Print Network [OSTI]

No. 894 Effects of an Accelerated Diesel Engine Replacement/2009 Effects of an Accelerated Diesel Engine Replacement/reductions occurring on an accelerated schedule compared to

Millstein, Dev E.; Harley, Robert A

2009-01-01T23:59:59.000Z

366

Local Soot Loading Distribution in Cordierite Diesel Particulate...  

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

Local Soot Loading Distribution in Cordierite Diesel Particulate Filters by Dynamic Neutron Radiography Local Soot Loading Distribution in Cordierite Diesel Particulate Filters by...

367

AVTA: 2009 Volkswagen Jetta TDI Diesel Downloadable Dynamometer...  

Energy Savers [EERE]

09 Volkswagen Jetta TDI Diesel Downloadable Dynamometer Database Reports AVTA: 2009 Volkswagen Jetta TDI Diesel Downloadable Dynamometer Database Reports The Vehicle Technologies...

368

Versatile Diesel Particulate Filter Cartridge Any Size, Any Shape...  

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

Versatile Diesel Particulate Filter Cartridge Any Size, Any Shape Versatile Diesel Particulate Filter Cartridge Any Size, Any Shape Presentation given at DEER 2006, August 20-24,...

369

New Cordierite Diesel Particulate Filters for Catalyzed and Non...  

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

Cordierite Diesel Particulate Filters for Catalyzed and Non-Catalyzed Applications New Cordierite Diesel Particulate Filters for Catalyzed and Non-Catalyzed Applications 2003 DEER...

370

CARB Verification of Catalyzed Diesel Particulate Filters for...  

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

CARB Verification of Catalyzed Diesel Particulate Filters for Emergency Generator Sets CARB Verification of Catalyzed Diesel Particulate Filters for Emergency Generator Sets 2005...

371

12TH DIESEL ENGINE-EFFICIENCY AND EMISSIONS RESEARCH CONFERENCE...  

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

2TH DIESEL ENGINE-EFFICIENCY AND EMISSIONS RESEARCH CONFERENCE (DEER 2006) PRESENTATIONS 12TH DIESEL ENGINE-EFFICIENCY AND EMISSIONS RESEARCH CONFERENCE (DEER 2006) PRESENTATIONS...

372

Advances in Diesel Engine Technologies for European Passenger...  

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

Diesel Engine Technologies for European Passenger Vehicles Advances in Diesel Engine Technologies for European Passenger Vehicles 2002 DEER Conference Presentation: Volkswagen AG...

373

AVTA: 2010 Volkswagon Golf Diesel Start-Stop Testing Results...  

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

Volkswagon Golf Diesel Start-Stop Testing Results AVTA: 2010 Volkswagon Golf Diesel Start-Stop Testing Results The Vehicle Technologies Office's Advanced Vehicle Testing Activity...

374

Mixed-mode diesel HCCI with External Mixture Formation: Preliminary...  

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

Mixed-mode diesel HCCI with External Mixture Formation: Preliminary Results Mixed-mode diesel HCCI with External Mixture Formation: Preliminary Results 2003 DEER Conference...

375

Combination of Diesel fuel system architectures and Ceria-based...  

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

of Diesel fuel system architectures and Ceria-based fuel-borne catalysts for improvement and simplification of the Diesel Particulate Filter System in serial applications...

376

Heavy Truck Clean Diesel (HTCD) Program: 2007 Demonstration Truck...  

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

Clean Diesel (HTCD) Program: 2007 Demonstration Truck Heavy Truck Clean Diesel (HTCD) Program: 2007 Demonstration Truck 2003 DEER Conference Presentation: Caterpillar Incorporated...

377

Improvement and Simplification of Diesel Particulate Filter System...  

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

Improvement and Simplification of Diesel Particulate Filter System using a Ceria-Based Fuel-Borne Catalyst in Serial Applications Improvement and Simplification of Diesel...

378

A New CFD Model for understanding and Managing Diesel Particulate...  

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

CFD Model for understanding and Managing Diesel Particulate Filter Regeneration A New CFD Model for understanding and Managing Diesel Particulate Filter Regeneration...

379

Advanced Boost System Development for Diesel HCCI/LTC Application...  

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

Boost System Development for Diesel HCCILTC Application Advanced Boost System Development for Diesel HCCILTC Application Optimization of a turbocharger for high EGR applications...

380

Single Wall Diesel Particulate Filter (DPF) Filtration Efficiency...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Single Wall Diesel Particulate Filter (DPF) Filtration Efficiency Studies Using Laboratory Generated Particles. Single Wall Diesel Particulate Filter (DPF) Filtration Efficiency...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Emission Performance of Modern Diesel Engines Fueled with Biodiesel...  

Broader source: Energy.gov (indexed) [DOE]

Emission Performance of Modern Diesel Engines Fueled with Biodiesel Emission Performance of Modern Diesel Engines Fueled with Biodiesel This study presents full quantification of...

382

Biodiesel Effects on Diesel Particle Filter Performance: Milestone Report  

SciTech Connect (OSTI)

Research results on the performance of biodiesel and biodiesel blends with ultra-low sulfur diesel (ULSD) and a diesel particle filter (DPF).

Williams, A.; McCormick, R. L.; Hayes, R.; Ireland, J.

2006-03-01T23:59:59.000Z

383

Effect of Biodiesel Blends on Diesel Particulate Filter Performance  

SciTech Connect (OSTI)

Presents results of tests of ultra-low sulfur diesel blended with soy-biodiesel at 5 percent using a Cummins ISB engine with a diesel particulate filter.

Williams, A.; McCormick, R. L.; Hayes, R. R.; Ireland, J.; Fang, H. L.

2006-11-01T23:59:59.000Z

384

An Experimental Investigation of Low Octane Gasoline in Diesel...  

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

Low Octane Gasoline in Diesel Engines An Experimental Investigation of Low Octane Gasoline in Diesel Engines Presentation given at the 16th Directions in Engine-Efficiency and...

385

Load Expansion with Diesel/Gasoline RCCI for Improved Engine...  

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

with DieselGasoline RCCI for Improved Engine Efficiency and Emissions Load Expansion with DieselGasoline RCCI for Improved Engine Efficiency and Emissions This poster will...

386

Volatility of Gasoline and Diesel Fuel Blends for Supercritical...  

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

Gasoline and Diesel Fuel Blends for Supercritical Fuel Injection Volatility of Gasoline and Diesel Fuel Blends for Supercritical Fuel Injection Supercritical dieseline could be...

387

Fuel Efficiency and Emissions Optimization of Heavy-Duty Diesel...  

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

and Emissions Optimization of Heavy-Duty Diesel Engines using Model-Based Transient Calibration Fuel Efficiency and Emissions Optimization of Heavy-Duty Diesel Engines using...

388

Achieving High-Effiency Clean Ccombustion in Diesel Engines  

Broader source: Energy.gov (indexed) [DOE]

Achieving High-Efficiency Clean Combustion in Diesel Engines Robert M. Wagner, C. Scott Sluder, John M. Storey, Sam A. Lewis Oak Ridge National Laboratory Diesel Engine Emissions...

389

Complete Fuel Combustion for Diesel Engines Resulting in Greatly...  

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

Complete Fuel Combustion for Diesel Engines Resulting in Greatly Reduced Emissions and Improved Fuel Efficiency Complete Fuel Combustion for Diesel Engines Resulting in Greatly...

390

Advanced High Efficiency Clean Diesel Combustion with Low Cost...  

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

Efficiency Clean Diesel Combustion with Low Cost for Hybrid Engines Advanced High Efficiency Clean Diesel Combustion with Low Cost for Hybrid Engines Clean, in-cylinder combustion...

391

Advanced Petroleum-Based fuels - Diesel Emissions Control (APBF...  

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

Petroleum-Based fuels - Diesel Emissions Control (APBF-DEC) Activity Advanced Petroleum-Based fuels - Diesel Emissions Control (APBF-DEC) Activity 2003 DEER Conference...

392

Onboard Plasmatron Generation of Hydrogen rich Gas for Diesel...  

Broader source: Energy.gov (indexed) [DOE]

Onboard Plasmatron Generation of Hydrogen rich Gas for Diesel Aftertreatment and Other Applications Onboard Plasmatron Generation of Hydrogen rich Gas for Diesel Aftertreatment and...

393

Effect of GTL Diesel Fuels on Emissions and Engine Performance  

Broader source: Energy.gov (indexed) [DOE]

R. Maly Research and Technology, Stuttgart Effect of GTL Diesel Fuels on Emissions and Engine Performance 10th Diesel Engine Emissions Reduction Conference August 29 - September 2,...

394

Future Diesel Engine Thermal Efficiency Improvement andn Emissions...  

Broader source: Energy.gov (indexed) [DOE]

Future Diesel Engine Thermal Efficiency Improvement andn Emissions Control Technology Future Diesel Engine Thermal Efficiency Improvement andn Emissions Control Technology 2005...

395

Multicylinder Diesel Engine for Low Temperature Combustion Operation...  

Broader source: Energy.gov (indexed) [DOE]

Multicylinder Diesel Engine for Low Temperature Combustion Operation Multicylinder Diesel Engine for Low Temperature Combustion Operation Fuel injection strategies to extend low...

396

Chassis Dynamometer Testing of Parallel and Series Diesel Hybrid...  

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

Chassis Dynamometer Testing of Parallel and Series Diesel Hybrid Buses Chassis Dynamometer Testing of Parallel and Series Diesel Hybrid Buses Emissions and fuel economy data were...

397

Technology Development for High Efficiency Clean Diesel Engines...  

Broader source: Energy.gov (indexed) [DOE]

Technology Development for High Efficiency Clean Diesel Engines and a Pathway to 50% Thermal Efficiency Technology Development for High Efficiency Clean Diesel Engines and a...

398

New Feedstocks and Replacement Fuel Diesel Engine Challenges...  

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

Fuel Diesel Engine Challenges New Feedstocks and Replacement Fuel Diesel Engine Challenges Presentation given at DEER 2006, August 20-24, 2006, Detroit, Michigan. Sponsored by the...

399

Dynamometer Evaluation of Plasma-Catalyst for Diesel NOx Reduction...  

Broader source: Energy.gov (indexed) [DOE]

Dynamometer Evaluation of Plasma-Catalyst for Diesel NOx Reduction Dynamometer Evaluation of Plasma-Catalyst for Diesel NOx Reduction 2003 DEER Conference Presentation: Ford Motor...

400

Performance of Installed Cooking Exhaust Devices  

SciTech Connect (OSTI)

The performance metrics of airflow, sound, and combustion product capture efficiency (CE) were measured for a convenience sample of fifteen cooking exhaust devices, as installed in residences. Results were analyzed to quantify the impact of various device- and installation-dependent parameters on CE. Measured maximum airflows were 70% or lower than values noted on product literature for 10 of the devices. Above-the-cooktop devices with flat bottom surfaces (no capture hood) – including exhaust fan/microwave combination appliances – were found to have much lower CE at similar flow rates, compared to devices with capture hoods. For almost all exhaust devices and especially for rear-mounted downdraft exhaust and microwaves, CE was substantially higher for back compared with front burner use. Flow rate, and the extent to which the exhaust device extends over the burners that are in use, also had a large effect on CE. A flow rate of 95 liters per second (200 cubic feet per minute) was necessary, but not sufficient, to attain capture efficiency in excess of 75% for the front burners. A-weighted sound levels in kitchens exceeded 57 dB when operating at the highest fan setting for all 14 devices evaluated for sound performance.

Singer, Brett C.; Delp, William W.; Apte, Michael G.; Price, Philip N.

2011-11-01T23:59:59.000Z

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Two stroke engine exhaust emissions separator  

DOE Patents [OSTI]

A separator for substantially resolving at least one component of a process stream, such as from the exhaust of an internal combustion engine. The separator includes a body defining a chamber therein. A nozzle housing is located proximate the chamber. An exhaust inlet is in communication with the nozzle housing and the chamber. A nozzle assembly is positioned in the nozzle housing and includes a nozzle moveable within and relative to the nozzle housing. The nozzle includes at least one passage formed therethrough such that a process stream entering the exhaust inlet connection passes through the passage formed in the nozzle and imparts a substantially rotational flow to the process stream as it enters the chamber. A positioning member is configured to position the nozzle relative to the nozzle housing in response to changes in process stream pressure thereby adjusting flowrate of said process stream entering into the chamber.

Turner, Terry D. (Ammon, ID); Wilding, Bruce M. (Idaho Falls, ID); McKellar, Michael G. (Idaho Falls, ID); Raterman, Kevin T. (Idaho Falls, ID)

2003-04-22T23:59:59.000Z

402

Two stroke engine exhaust emissions separator  

DOE Patents [OSTI]

A separator for substantially resolving at least one component of a process stream, such as from the exhaust of an internal combustion engine. The separator includes a body defining a chamber therein. A nozzle housing is located proximate the chamber. An exhaust inlet is in communication with the nozzle housing and the chamber. A nozzle assembly is positioned in the nozzle housing and includes a nozzle moveable within and relative to the nozzle housing. The nozzle includes at least one passage formed therethrough such that a process stream entering the exhaust inlet connection passes through the passage formed in the nozzle, which imparts a substantially rotational flow to the process stream as it enters the chamber. A positioning member is configured to position the nozzle relative to the nozzle housing in response to changes in process stream pressure to adjust flowrate of said process stream entering into the chamber.

Turner, Terry D. (Ammon, ID); Wilding, Bruce M. (Idaho Falls, ID); McKellar, Michael G. (Idaho Falls, ID); Raterman, Kevin T. (Idaho Falls, ID)

2002-01-01T23:59:59.000Z

403

Loading and Regeneration Analysis of a Diesel Particulate Filter with a Radio Frequency-Based Sensor  

SciTech Connect (OSTI)

Accurate knowledge of diesel particulate filter (DPF) loading is critical for robust and efficient operation of the combined engine-exhaust aftertreatment system. Furthermore, upcoming on-board diagnostics regulations require on-board technologies to evaluate the status of the DPF. This work describes the application of radio frequency (RF) based sensing techniques to accurately measure DPF soot levels and the spatial distribution of the accumulated material. A 1.9L GM turbo diesel engine and a DPF with an RF-sensor were studied. Direct comparisons between the RF measurement and conventional pressure-based methods were made. Further analysis of the particulate matter loading rates was obtained with a mass-based soot emission measurement instrument (TEOM). Comparison with pressure drop measurements show the RF technique is unaffected by exhaust flow variations and exhibits a high degree of sensitivity to DPF soot loading and good dynamic response. Additional computational and experimental work further illustrates the spatial resolution of the RF measurements. Based on the experimental results, the RF technique shows significant promise for improving DPF control enabling optimization of the combined engine-aftertreatment system for improved fuel economy and extended DPF service life.

Sappok, Alex [Filter Sensing Technologies] [Filter Sensing Technologies; Prikhodko, Vitaly Y [ORNL] [ORNL; Parks, II, James E [ORNL

2010-01-01T23:59:59.000Z

404

Diesel Brewing | Open Energy Information  

Open Energy Info (EERE)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home5b9fcbce19 NoPublic Utilities Address:011-DNA Jump to:52c8ff988c1Dering Harbor, NewRidge, Alaska:Dickinson County isDiesel

405

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps Develop Di-JiaDianneDiesel prices

406

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps Develop Di-JiaDianneDiesel

407

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDiesel prices continue to

408

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDiesel prices continue

409

Diesel prices continue to decrease  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC Helps DevelopDiesel prices

410

Diesel prices continue to increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel prices continue to increase

411

Diesel prices continue to increase  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel prices continue to

412

Diesel prices continue to rise  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr May JunDatastreamsmmcrcalgovInstrumentsruc DocumentationP-Series to UserProduct: CrudeOfficeNERSC HelpsDiesel prices continue

413

Renewable Diesel | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious RankCombustion | Department ofT ib l L dDepartmentnews-flashes OfficeTexasEnergy Diesel Fuels: Status

414

Sandia National Laboratories: Diesel Combustion  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE:1 First Use of Energy for All Purposes (Fuel and Nonfuel),Feet) Year Jan Feb Mar Apr MayAtmosphericNuclear Security Administration the1 -the Mid-Infrared0EnergySandia InvolvesDOE-BERPressure, Not ChemistryDiesel

415

Diesel Reforming for Solid Oxide Fuel Cell Application  

SciTech Connect (OSTI)

This presentation discusses the development of a diesel reforming catalyst and catalytic system development.

Liu, D-J.; Sheen, S-H.; Krumpelt, M.

2005-01-27T23:59:59.000Z

416

Diesel Locomotive Fueling Problem (LFP) in Railroad Operations  

E-Print Network [OSTI]

Chapter 2 Diesel Locomotive Fueling Problem (LFP) in Railroad Operations Bodhibrata Nag Katta G their operating costs low. About 75% of transport by railroads in the world is based on diesel locomotives by diesel locomotives. One of the major compo- nents in the operating cost of diesel powered rail transport

Murty, Katta G.

417

Proof-of-principle test for thermoelectric generator for diesel engines; Final report  

SciTech Connect (OSTI)

In September of 1987, the principals of what is now Hi-Z TECHNOLOGY, INC. applied to the National Bureau of Standards (now National Institute of Standards and Technology, NIST) under the Energy Related Inventions Program. The invention was entitled ``Thermoelectric Generator for Diesel Engines.`` The National Institute of Standards and Technology evaluated the invention and on January 12, 1989 forwarded Recommendation Number 455 to the Department of Energy (DOE). This recommendation informed the DOE that the invention had been selected for recommendation by the NIST for possible funding by the DOE. Following the recommendation of the NIST, the DOE contacted Hi-Z to work out a development program for the generator. A contract for a grant to design, fabricate, and test a Proof-of-Principle exhaust powered thermoelectric generator for Diesel engines was signed October 19, 1989. Hi-Z provided the thermoelectric modules used in the generator as their contribution to the project. The purpose of this Grant Program was to design, build, and test a small-scale, Proof-of-Principle thermoelectric generator for a Diesel engine. 15 figs., 1 tab.

NONE

1991-07-26T23:59:59.000Z

418

Combustion characteristics of dry coal-powder-fueled adiabatic diesel engine: Final report  

SciTech Connect (OSTI)

This report describes the progress and findings of a research program aimed at investigating the combustion characteristics of dry coal powder fueled diesel engine. During this program, significant achievements were made in overcoming many problems facing the coal-powder-fueled engine. The Thermal Ignition Combustion System (TICS) concept was used to enhance the combustion of coal powder fuel. The major coal-fueled engine test results and accomplishments are as follows: design, fabrication and engine testing of improved coal feed system for fumigation of coal powder to the intake air; design, fabrication and engine testing of the TICS chamber made from a superalloy material (Hastelloy X); design, fabrication and engine testing of wear resistant chrome oxide ceramic coated piston rings and cylinder liner; lubrication system was improved to separate coal particles from the contaminated lubricating oil; control of the ignition timing of fumigated coal powder by utilizing exhaust gas recirculation (EGR) and variable TICS chamber temperature; coal-fueled engine testing was conducted in two configurations: dual fuel (with diesel pilot) and 100% coal-fueled engine without diesel pilot or heated intake air; cold starting of the 100% coal-powder-fueled engine with a glow plug; and coal-fueled-engine was operated from 800 to 1800 rpm speed and idle to full load engine conditions.

Kakwani, R.M.; Kamo, R.

1989-01-01T23:59:59.000Z

419

Effect of operating conditions on the size, morphology, and concentration of submicrometer particulates emitted from a diesel engine  

SciTech Connect (OSTI)

Particulate emissions at the exhaust of a diesel engine were systematically investigated at different engine loads and speeds by rapid thermophoretic sampling followed by direct transmission electron microscope (TEM) visualization. Spherule and aggregate size distributions, aggregate fractal dimensions and prefactors, and particle volume fractions were comprehensively characterized using this novel technique, which provided new, accurate, and relevant data on diesel particulates compared to the abundant past studies involving questionable mobility sizing measurements. In contrast to the narrow (Gaussian) distributions of spherule sizes, there were broad variations in aggregate sizes that were approximated by a lognormal probability function with a geometric standard deviation of about 1.8. Mean spherule diameters were in the range 20-35 nm, and mean aggregate gyration diameters of 0.16-0.35 {mu}m were always smaller than the PM2.5 standard. Average sizes of both spherules and aggregates mostly increased with the relative engine load or overall equivalence ratio, which disagreed with the trends and correlations suggested by a recent study. Independent of engine operating condition, aggregate fractal dimension was 1.77+/-0.14, a nearly universal property that contradicted with the broad range of past values reported for diesel engines based on mobility-based experiments. The aggregate fractal prefactor, which was also necessary to fully characterize the morphology of diesel soot, was found to be 1.9+/-0.5. In addition to this new contribution, sampling/TEM experiments were also implemented for the first time in a diesel engine to estimate particle volume fractions, which were crucial for the determination of available specific surface areas. The present method was more accurate than the laser attenuation method for the relatively low particle volume fractions of 0.001-0.1 ppm emitted by the diesel engine considered here. (author)

Neer, Adam; Koylu, Umit O. [Department of Mechanical and Aerospace Engineering, University of Missouri-Rolla, Rolla, MO 65409-0050 (United States)

2006-07-15T23:59:59.000Z

420

Diesel Futures Forget the black soot and smoke. Modern diesel-powered cars are quiet, clean and fast.  

E-Print Network [OSTI]

Diesel Futures Forget the black soot and smoke. Modern diesel-powered cars are quiet, clean at their tachometers to be sure that they were running. You would not expect that of a diesel, however. Yet these are diesel engines. The world has been looking to gas/electric hybrids and fuel cells for future fuel

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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

Optimization of combustion performance and emission of Jatropha biodiesel in a turbocharged LHR diesel engine;.  

E-Print Network [OSTI]

??Bio-diesel derived from the vegetable oils are identified as an excellent alternate fuel for petroleum based diesel fuel used in diesel engines. However, the performance… (more)

Rajendra Prasath B

2013-01-01T23:59:59.000Z

422

Heavy Duty Diesel Particulate Matter and Fuel Consumption Modeling for Transportation Analysis  

E-Print Network [OSTI]

Model for Heavy Duty Diesel Vehicles. TransportationAir Contaminant Emissions from Diesel- fueled Engines. Factfor Measuring Emissions from Diesel Engines. 1. Regulated

Scora, George Alexander

2011-01-01T23:59:59.000Z

423

Oil Bypass Filter and Diesel Engine Idling Wear-Rate Evaluations...  

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

Bypass Filter and Diesel Engine Idling Wear-Rate Evaluations Oil Bypass Filter and Diesel Engine Idling Wear-Rate Evaluations 2005 Diesel Engine Emissions Reduction (DEER)...

424

High-Energy Laser Diagnostics (HELD) for the Measurement of Diesel...  

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

Energy Laser Diagnostics (HELD) for the Measurement of Diesel Particulate Matter High-Energy Laser Diagnostics (HELD) for the Measurement of Diesel Particulate Matter 2004 Diesel...

425

The Use of Exhaust Gas Recirculation to Optimize Fuel Economy...  

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

The Use of Exhaust Gas Recirculation to Optimize Fuel Economy and Minimize Emissions in Engines Operating on E85 Fuel The Use of Exhaust Gas Recirculation to Optimize Fuel Economy...

426

Calor de combustão de Blendas do tipo diesel/biodiesel e diesel/bio-óleo.  

E-Print Network [OSTI]

??Dissertação (mestrado)—Universidade de Brasília, Instituto de Química, 2009. O programa brasileiro de biocombustíveis prevê a adição de 2% de biocombustíveis em diesel até 2008 e… (more)

Andrade, Rômulo Davi Albuquerque

2009-01-01T23:59:59.000Z

427

Effects of bio-diesel fuel blends on the performance and emissions of diesel engine.  

E-Print Network [OSTI]

??This study presents an experimental investigation into the effects of running biodiesel fuel blends on conventional diesel engines. Bio fuels provide a way to produce… (more)

Bastiani, Sergio.

2008-01-01T23:59:59.000Z

428

Investigation of Fuel Quality Impact on the Combustion and Exhaust...  

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

Publications Low-Temperature Combustion for High-Efficiency, Ultra-Low Emission Engines BMW Diesel - Engine Concepts for Efficient Dynamics NDE DEVELOPMENT FOR ACERT ENGINE...

429

Fumigation of alcohol in a light duty automotive diesel engine  

SciTech Connect (OSTI)

A light-duty automotive diesel engine was fumigated with methanol and ethanol in amounts up to 35% and 50% of the total fuel energy respectively. The main purpose of this study was to determine the effect of alcohol (methanol and ethanol) fumigation on engine performance at various operating conditions. Engine fuel efficiency, emissions, smoke, and the occurrence of severe knock were the parameters used to evaluate performance. Raw exhaust particulate and its soluble organic extract were screened for biological activity using the Ames Salmonella typhimurium assay. Results are given for a test matrix made up of twelve steady-state operating conditions. For all conditions except the 1/4 rack (light load) condition, modest thermal efficiency gains were noted upon ethanol fumigation. Methanol showed the same increase at 3/4 and full rack (high load) conditions. However, engine roughness or the occurrence of severe knock limited the maximum amount of alcohol that could be fumigated. Brake specific NO/sub x/ concentrations were found to decrease for all ethanol conditions tested. Oxides of nitrogen emissions, on a volume basis, decreased for all alcohol conditions tested. Based on the limited particulate data analyzed, it appears as though ethanol fumigation, like methanol fumigation, while lowering the mass of particulate emitted, does enhance the biological activity of that particulate.

Broukhiyan, E.M.H.; Lestz, S.S.

1981-08-01T23:59:59.000Z

430

BMW Diesel Engines - Dynamic, Efficient and Clean  

Broader source: Energy.gov (indexed) [DOE]

about cars General Attitude towards Driving & Cars Market Study Diesel Image Germany and UK 2005 74 85 75 82 60 72 65 66 64 66 56 60 60 51 54 66 83 83 89 62 57 29 32 64...

431

An improved visualization of diesel particulate filter/  

E-Print Network [OSTI]

The prevalence of diesel particulate filters (DPF) is increasing as emissions standards worldwide evolve to match current technologies. Since the first application of DPFs in the 1980's, PM trapping effectiveness has ...

Boehm, Kevin (Kevin W.)

2011-01-01T23:59:59.000Z

432

French perspective on diesel engines & emissions  

Broader source: Energy.gov (indexed) [DOE]

smell, smoke Image CNG (CH4) Hybrid Diesel + DPF Electric Users' point of view Greenhouse effect Maintenance Investment extra costs Pollutants N o x P M CNG C N G Hybrid Hybrid...

433

Modeling deposit formation in diesel injector nozzle  

E-Print Network [OSTI]

Formation of deposit in the diesel injector nozzle affects the injection behavior and hinders performance. Under running condition, deposit precursors are washed away by the ensuing injection. However, during the cool down ...

Sudhiesh Kumar, Chintoo

2009-01-01T23:59:59.000Z

434

Saskatchewan Renewable Diesel Program (Saskatchewan, Canada)  

Broader source: Energy.gov [DOE]

Saskatchewan has introduced a mandate for inclusion of 2% renewable content in the average annual diesel fuel pool for fuel distributors beginning July 1, 2012. In order to allow industry to fully...

435

Business Case for Light-Duty Diesels  

Broader source: Energy.gov (indexed) [DOE]

Laredo - Tallahassee (1039 miles) 2 days, 1 tank, 59 mpg Jeep Liberty CRD Factory fill B5 biodiesel Local production, local fuel 9 Cost of Diesel systems? The engine Modern PC...

436

Recent Developments in BMW's Diesel Technology  

SciTech Connect (OSTI)

The image of BMW is very strongly associated to high power, sports biased, luxury cars in the premium car segment, however, particularly in the United States and some parts of Asia, the combination of a car in this segment with a diesel engine was up until now almost unthinkable. I feel sure that many people in the USA are not even aware that BMW produces diesel-powered cars. In Europe there is a completely contrary situation which, driven by the relative high fuel price, and the noticeable difference between gasoline and diesel prices, there has been a continuous growth in the diesel market since the early eighties. During this time BMW has accumulated more then 20 years experience in developing and producing powerful diesel engines for sports and luxury cars. BMW started the production of its 1st generation diesel engine in 1983 with a 2,4 l, turbocharged IDI engine in the 5 series model range. With a specific power of 35 kW/l, this was the most powerful diesel engine on the market at this time. In 1991 BMW introduced the 2nd generation diesel engine, beginning with a 2,5 l inline six, followed in 1994 by a 1,7 l inline four. All engines of this 2nd BMW diesel engine family were turbocharged and utilized an indirect injection combustion system. With the availability of high-pressure injection systems such as the common rail system, BMW developed its 3rd diesel engine family which consists of four different engines. The first was the 4-cylinder for the 3 series car in the spring of 1998, followed by the 6-cylinder in the fall of 1998 and then in mid 1999 by the worlds first V8 passenger car diesel with direct injection. Beginning in the fall of 2001 with the 4-cylinder, BMW reworked this DI engine family fundamentally. Key elements are an improved core engine design, the use of the common rail system of the 2nd generation and a new engine control unit with even better performance. Step by step, these technological improvements were introduce d to production for all members of this engine family and in all the different vehicle applications. In the next slide you can see the production volume of diesel engines by BMW. From the 1st family we produced {approx} 260,000 units over eight years and from the 2nd family {approx} 630,000 units were produced also during an eight year period. How successful the actual engine family with direct injection is can be seen in the increase of the production volume to 330,000 units for the year 2002 alone. The reason for this is that, in addition to the very low fuel consumption, this new engines provide excellent driving characteristics and a significant improvement in the level of noise and vibration. Page 2 of 5 In 2002, 26% of all BMW cars worldwide, and nearly 40% in Europe, were produced with a diesel engine under the hood. In the X5 we can see the biggest diesel success rate. Of all the X5 vehicles produced, 35% Worldwide and 68% in Europe are powered by a diesel engine.

Steinparzer, F

2003-08-24T23:59:59.000Z

437

THE DIESEL ENGINE'S CHALLENGE IN THE NEW MILLENIUM  

SciTech Connect (OSTI)

Diesel engines are the dominant propulsion engine of choice for most of the commercial surface transportation applications in the world. Consider agricultural uses: Diesel engine power is used to prepare the soil, transport the bulk seed or seedlings, pump irrigation water, and spray fertilizers, mechanically harvest some crops and distribute the produce to market. Diesel engines power virtually all of the off-highway construction equipment. Deep water commercial freighters or containerships are almost all diesel engine powered. The passenger ships are primarily either diesel or a combination of diesel and gas turbine, referred to as CODAG or CODOG.

Fairbanks, John W.

2000-08-20T23:59:59.000Z

438

Effect of E85 on RCCI Performance and Emissions on a Multi-Cylinder Light-Duty Diesel Engine - SAE World Congress  

SciTech Connect (OSTI)

This paper investigates the effect of E85 on load expansion and FTP modal point emissions indices under reactivity controlled compression ignition (RCCI) operation on a light-duty multi-cylinder diesel engine. A General Motors (GM) 1.9L four-cylinder diesel engine with the stock compression ratio of 17.5:1, common rail diesel injection system, high-pressure exhaust gas recirculation (EGR) system and variable geometry turbocharger was modified to allow for port fuel injection with gasoline or E85. Controlling the fuel reactivity in-cylinder by the adjustment of the ratio of premixed low-reactivity fuel (gasoline or E85) to direct injected high reactivity fuel (diesel fuel) has been shown to extend the operating range of high-efficiency clean combustion (HECC) compared to the use of a single fuel alone as in homogeneous charge compression ignition (HCCI) or premixed charge compression ignition (PCCI). The effect of E85 on the Ad-hoc federal test procedure (FTP) modal points is explored along with the effect of load expansion through the light-duty diesel speed operating range. The Ad-hoc FTP modal points of 1500 rpm, 1.0bar brake mean effective pressure (BMEP); 1500rpm, 2.6bar BMEP; 2000rpm, 2.0bar BMEP; 2300rpm, 4.2bar BMEP; and 2600rpm, 8.8bar BMEP were explored. Previous results with 96 RON unleaded test gasoline (UTG-96) and ultra-low sulfur diesel (ULSD) showed that with stock hardware, the 2600rpm, 8.8bar BMEP modal point was not obtainable due to excessive cylinder pressure rise rate and unstable combustion both with and without the use of EGR. Brake thermal efficiency and emissions performance of RCCI operation with E85 and ULSD is explored and compared against conventional diesel combustion (CDC) and RCCI operation with UTG 96 and ULSD.

Curran, Scott [ORNL; Hanson, Reed M [ORNL; Wagner, Robert M [ORNL

2012-01-01T23:59:59.000Z

439

Anti-air pollution & energy conservation system for automobiles using leaded or unleaded gasoline, diesel or alternate fuel  

DOE Patents [OSTI]

Exhaust gases from an internal combustion engine operating with leaded or unleaded gasoline or diesel or natural gas, are used for energizing a high-speed gas turbine. The convoluting gas discharge causes a first separation stage by stratifying of heavier and lighter exhaust gas components that exit from the turbine in opposite directions, the heavier components having a second stratifying separation in a vortex tube to separate combustible pollutants from non-combustible components. The non-combustible components exit a vortex tube open end to atmosphere. The lighter combustible, pollutants effected in the first separation are bubbled through a sodium hydroxide solution for dissolving the nitric oxide, formaldehyde impurities in this gas stream before being piped to the engine air intake for re-combustion, thereby reducing the engine's exhaust pollution and improving its fuel economy. The combustible, heavier pollutants from the second separation stage are piped to air filter assemblies. This gas stream convoluting at a high-speed through the top stator-vanes of the air filters, centrifugally separates the coalescent water, aldehydes, nitrogen dioxides, sulfates, sulfur, lead particles which collect at the bottom of the bowl, wherein it is periodically released to the roadway. Whereas, the heavier hydrocarbon, carbon particles are piped through the air filter's porous element to the engine air intake for re-combustion, further reducing the engine's exhaust pollution and improving its fuel economy.

Bose, Ranendra K. (14346 Jacob La., Centreville, VA 20120-3305)

2002-06-04T23:59:59.000Z

440

Clean and Efficient Diesel Engine  

SciTech Connect (OSTI)

Task 1 was to design study for fuel-efficient system configuration. The objective of task 1 was to perform a system design study of locomotive engine configurations leading to a 5% improvement in fuel efficiency. Modeling studies were conducted in GT-Power to perform this task. GT-Power is an engine simulation tool that facilitates modeling of engine components and their system level interactions. It provides the capability to evaluate a variety of engine technologies such as exhaust gas circulation (EGR), variable valve timing, and advanced turbo charging. The setup of GT-Power includes a flexible format that allows the effects of variations in available technologies (i.e., varying EGR fractions or fuel injection timing) to be systematically evaluated. Therefore, development can be driven by the simultaneous evaluation of several technology configurations.

None

2010-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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.


441

An indirect sensing technique for diesel fuel quantity control. Technical progress report, October 1--December 31, 1998  

SciTech Connect (OSTI)

Work has proceeded intensely with the objective of completing the commercial prototype system prior to the end of the contract period. At the time of this report, testing and refinement of the commercial version of the system has not been completed. During this reporting period, several major milestones were reached and many significant lessons were learned. These are described. The experimental retrofit system has achieved all performance objectives in engine dynamometer tests. The prototype commercial version of the system will begin demonstration service on the first of several Santa Maria Area Transit (SMAT) transit buses on February 1, 1999. The commercial system has been redesignated the Electronic Diesel Smoke Reduction System (EDSRS) replacing the original internal pseudonym ADSC. The focus has been narrowed to a retrofit product suitable for installation on existing mechanically-governed diesel engines. Included in this potential market are almost all diesel-powered passenger cars and light trucks manufactured prior to the introduction of the most recent clean diesel engines equipped with particulate traps and electronic controls. Also included are heavy-duty trucks, transit vehicles, school buses, and agricultural equipment. This system is intended to prevent existing diesel engines from overfueling to the point of visible particulate emissions (smoke), while allowing maximum smoke-limited torque under all operating conditions. The system employs a microcontroller and a specialized exhaust particulate emission sensor to regulate the maximum allowable fuel quantity via an adaptive throttle-limit map. This map specifies a maximum allowable throttle position as a function of engine speed, turbocharger boost pressure and engine coolant temperature. The throttle position limit is mechanized via a servo actuator inserted in the throttle cable leading to the injection pump.

MacCarley, C.A.

1999-01-26T23:59:59.000Z

442

Life-cycle Energy and Emissions Inventories for Motorcycles, Diesel Automobiles, School Buses, Electric Buses, Chicago Rail, and New York City Rail  

E-Print Network [OSTI]

Inventories for Motorcycles, Diesel Automobiles, School Inventories for Motorcycles, Diesel Automobiles, School Inventories for Motorcycles, Diesel Automobiles, School 

Chester, Mikhail; Horvath, Arpad

2009-01-01T23:59:59.000Z

443

Perspective on the Future Development of Diesel Emission Standards...  

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

Perspective on the Future Development of Diesel Emission Standards in Europe - Euro 5 for LDV, amendment of EURO 5 for HDV Perspective on the Future Development of Diesel Emission...

444

Marketing Light-Duty Diesels to U.S. Consumers  

Broader source: Energy.gov (indexed) [DOE]

levels of performance and convenience * the best platform for renewable fuels including Biodiesel, SunFuel, and SunDiesel 14 Modern TDI Diesel technology has come a long way...

445

Fuel Economy Improvements from a Hybrid-Electric/Diesel Powertrain...  

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

Economy Improvements from a Hybrid-ElectricDiesel Powertrain in a Class 4 Parcel Delivery Vehicle Fuel Economy Improvements from a Hybrid-ElectricDiesel Powertrain in a Class 4...

446

Durability of Diesel Engine Particulate Filters CRADA No. ORNL...  

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

Durability of Diesel Engine Particulate Filters CRADA No. ORNL-04-0692 with Cummins Inc. Durability of Diesel Engine Particulate Filters CRADA No. ORNL-04-0692 with Cummins Inc....

447

Performance Characteristics of Coal-to-Liquids (CTL) Diesel in...  

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

Characteristics of Coal-to-Liquids (CTL) Diesel in a 50-State Emissions Compliant Passenger Car Performance Characteristics of Coal-to-Liquids (CTL) Diesel in a 50-State Emissions...

448

The Effect of Diesel Fuel Properties on Emissions-Restrained...  

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

The Effect of Diesel Fuel Properties on Emissions-Restrained Fuel Economy at Mid-Load Conditions The Effect of Diesel Fuel Properties on Emissions-Restrained Fuel Economy at...

449

BioDiesel Content On-board monitoring  

Broader source: Energy.gov (indexed) [DOE]

2008 - all rights reserved 1 (tm) BioDiesel Content On-board monitoring BioDiesel Content On-board monitoring August 6th, 2008 Copyright SP3H 2007 -- all rights reserved 2 Biofuel...

450

Study of deposit formation inside diesel injectors nozzles  

E-Print Network [OSTI]

Diesel engines are widely used in heavy duty transportation applications such as in trucks, buses and ships because of their reliability and high torque output. A key diesel technology is the injection system which is ...

Wang, YinChun, Ph. D. Massachusetts Institute of Technology

2012-01-01T23:59:59.000Z

451

Catalysts For Lean Burn Engine Exhaust Abatement  

DOE Patents [OSTI]

The present invention provides a process for catalytically reducing nitrogen oxides in an exhaust gas stream containing nitrogen oxides and a reductant material by contacting the gas stream under conditions effective to catalytically reduce the nitrogen oxides with a catalyst comprising a aluminum-silicate type material and a minor amount of a metal, the catalyst characterized as having sufficient catalytic activity so as to reduce the nitrogen oxides by at least 60 percent under temperatures within the range of from about 200.degree. C. to about 400.degree. C.

Ott, Kevin C. (Los Alamos, NM); Clark, Noline C. (Jemez Springs, NM); Paffett, Mark T. (Los Alamos, NM)

2004-04-06T23:59:59.000Z

452

Catalysts for lean burn engine exhaust abatement  

DOE Patents [OSTI]

The present invention provides a process for catalytically reducing nitrogen oxides in an exhaust gas stream containing nitrogen oxides and a reductant material by contacting the gas stream under conditions effective to catalytically reduce the nitrogen oxides with a catalyst comprising a aluminum-silicate type material and a minor amount of a metal, the catalyst characterized as having sufficient catalytic activity so as to reduce the nitrogen oxides by at least 60 percent under temperatures within the range of from about 200.degree. C. to about 400.degree. C.

Ott, Kevin C. (Los Alamos, NM); Clark, Noline C. (Jemez Springs, NM); Paffett, Mark T. (Los Alamos, NM)

2003-01-01T23:59:59.000Z

453

Exhaust Phosphorous Chemistry | Department of Energy  

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

AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE:YearRound-UpHeat PumpRecord ofESPCof EnergyHouse11 DOEExhaust energyChemistry Exhaust

454

Diesel Injection Shear-Stress Advanced Nozzle (DISSAN)  

Broader source: Energy.gov (indexed) [DOE]

3th Diesel Engine-Efficiency and Emissions Research (DEER) Conference August 13, 2007 - Poster P-20 Detroit, MI...

455

PERFORMANCE OF DIESEL ENGINE USING BLENDED CRUDE JATROPHA OIL  

E-Print Network [OSTI]

renewable and has similar properties to the diesel. In view of this, crude jatropha oil is selected and its

Kamarul Azhar Kamarudin; Nor Shahida; Akma Mohd Sazali; Ahmad Jais Alimin

2009-01-01T23:59:59.000Z

456

Straight Vegetable Oil as a Diesel Fuel? (Fact Sheet)  

SciTech Connect (OSTI)

Discusses the use of straight vegetable oil as a diesel fuel and the use of biodiesel as a transportation fuel.

Not Available

2010-05-01T23:59:59.000Z

457

Saving diesel fuel in the oil field  

SciTech Connect (OSTI)

Describes how diesel electric SCR (silicon controlled rectifier) drilling rigs are helping drillers save fuel expense in the oil fields, along with other energy conservation methods. Compares SCR to conventional drilling rigs. Points out that on conventional rigs, diesel engines drive rig components directly, while on the SCR electric rigs, diesel engines turn a.c. electric generators which supply energy to d.c. electric motors for rig component power. Components of the SCR rigs include drawworks, mud pumps, rotary table, compressors, shakers, blenders and the camp load. Recommends economic principles such as supplying generators large enough to handle the low p.f. (power factor) as well as peak power requirements; and keeping the work load on diesel engines as high as possible for fuel economy. Presents tables of fuel consumed per 100 kW at various load factors; effect of power factor on engine hp required; electric drilling rig power modules; and engine and generator selection guide. Emphasizes consideration of the competitive difference in diesel engine economy.

Elder, B.

1982-11-01T23:59:59.000Z

458

Exhaust gas purification system for lean burn engine  

DOE Patents [OSTI]

An exhaust gas purification system for a lean burn engine includes a thermal mass unit and a NO.sub.x conversion catalyst unit downstream of the thermal mass unit. The NO.sub.x conversion catalyst unit includes at least one catalyst section. Each catalyst section includes a catalytic layer for converting NO.sub.x coupled to a heat exchanger. The heat exchanger portion of the catalyst section acts to maintain the catalytic layer substantially at a desired temperature and cools the exhaust gas flowing from the catalytic layer into the next catalytic section in the series. In a further aspect of the invention, the exhaust gas purification system includes a dual length exhaust pipe upstream of the NO.sub.x conversion catalyst unit. The dual length exhaust pipe includes a second heat exchanger which functions to maintain the temperature of the exhaust gas flowing into the thermal mass downstream near a desired average temperature.

Haines, Leland Milburn (Northville, MI)

2002-02-19T23:59:59.000Z

459

EXHAUST HOODSCRITICAL BUT COSTLY Exhaust hoods protect operators from breathing harmful fumes by  

E-Print Network [OSTI]

of natural gas burned each year, for the associated cooling and heating of outside make-up air. Consequently commercial space. State-Of-The-Art System Limitations Most state-of-the-art, energy-efficient fume hood by capturing, containing, and exhausting hazardous gases created in laboratory experiments or industrial

460

Improving Turbocharged Diesel Engine Operation with Turbo Power Assist System  

E-Print Network [OSTI]

Improving Turbocharged Diesel Engine Operation with Turbo Power Assist System I. Kolmanovsky A. G. In this pa- per we investigate the coupling of a power assist system at the turbocharger shaft of a diesel representation of a diesel engine with a turbocharger power assist system. A turbocharger power assist system

Stefanopoulou, Anna

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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.


461

UNSUPERVISED CONDITION CHANGE DETECTION IN LARGE DIESEL ENGINES  

E-Print Network [OSTI]

diesel engines and stationary power plants. The possibility of early detecting small defects priorUNSUPERVISED CONDITION CHANGE DETECTION IN LARGE DIESEL ENGINES Niels Henrik Pontoppidan and Jan detection in large diesel engines from acoustical emis- sion sensor signal and compared to more classical

462

Emissions and Performance Tradeoffs for Advanced Marine Diesel Propulsion  

E-Print Network [OSTI]

the turbocharger and the diesel engine in steady-state 5]. Secondly, it modi es the power transfer to the turbineEmissions and Performance Tradeoffs for Advanced Marine Diesel Propulsion Anna Stefanopoulouy is designed that reduces smoke generation on an experimental marine Diesel engine equipped with a variable

Stefanopoulou, Anna

463

Diesel knock noise from combustion phenomenon to perceived signals  

E-Print Network [OSTI]

Diesel knock noise from combustion phenomenon to perceived signals O. Sauvagea , A. Lauracb , M for reducing Diesel knock are modifications of engine parameters used for controlling combustion processes-acoustic properties, throught its noticeable combustion noise (also called "Diesel knock"). Combustion noise generated

Paris-Sud XI, Université de

464

Homogeneous Charge Compression Ignition: Formulation Effect of a Diesel Fuel  

E-Print Network [OSTI]

Homogeneous Charge Compression Ignition: Formulation Effect of a Diesel Fuel on the Initiation and the Combustion Potential of Olefin Impact in a Diesel Base Fuel D. Alseda1,2, X. Montagne1 and P. Dagaut2 1 Compression Ignition: Formulation Effect of a Diesel Fuel on the Initiation and the Combustion - Potential

Paris-Sud XI, Université de

465

Numerical simulation of turbulent jet primary breakup in Diesel engines  

E-Print Network [OSTI]

Numerical simulation of turbulent jet primary breakup in Diesel engines Peng Zeng1 Marcus Herrmann" IRMA Strasbourg, 23.Jan.2008 #12;Introduction DNS of Primary Breakup in Diesel Injection Phase Transition Modeling Turbulence Modeling Summary Outline 1 Introduction 2 DNS of Primary Breakup in Diesel

Helluy, Philippe

466

Comparative Analysis on the Effects of Diesel Particulate Filter and  

E-Print Network [OSTI]

Comparative Analysis on the Effects of Diesel Particulate Filter and Selective Catalytic Reduction February 15, 2008. Revised manuscript received May 2, 2008. Accepted May 27, 2008. Two methods, diesel that these aftertreatment systems may have on the emission levels of a wide spectrum of chemical species found in diesel

Wu, Mingshen

467

REVIEW OF DIESEL PARTICULATE MATTER SAMPLING FINAL REPORT  

E-Print Network [OSTI]

REVIEW OF DIESEL PARTICULATE MATTER SAMPLING METHODS FINAL REPORT Prepared by David B. Kittelson of Mechanical Engineering Center for Diesel Research Minneapolis, MN January 14, 1999 #12;01/14/99 Page 2 TABLE ................................................................................................................5 DIESEL ENGINE TECHNOLOGY AND EMISSION REGULATIONS .............................7 PHYSICAL

Minnesota, University of

468

A METHODOLOGY FOR IDENTIFICATION OF NARMAX MODELS APPLIED TO DIESEL  

E-Print Network [OSTI]

A METHODOLOGY FOR IDENTIFICATION OF NARMAX MODELS APPLIED TO DIESEL ENGINES 1 Gianluca Zito ,2 Ioan is illustrated by means of an automotive case study, namely a variable geometry turbocharged diesel engine identification procedure is illustrated. In section 3 a diesel engine system, used to test the procedure

Paris-Sud XI, Université de

469

Les dbuts du moteur Diesel en France Nouveaux lments historiques  

E-Print Network [OSTI]

1 Les débuts du moteur Diesel en France Nouveaux éléments historiques par Jean-Michel Althuser 1 et Paul-Antoine Naegel 2 Résumé : Après la biographie de Rudolf DIESEL par son fils Eugen, parue dans sa première édition à Hambourg en 1937, après un dossier spécial consacré à DIESEL en 1966 par la revue

Paris-Sud XI, Université de

470

TECHNICAL CERTIFICATE -MARINE DIESEL MECHANICS Lewisporte -April 16, 2012  

E-Print Network [OSTI]

TECHNICAL CERTIFICATE - MARINE DIESEL MECHANICS Lewisporte - April 16, 2012 March 19, 2012 Monday - Lewisporte April 30, 2012 Monday Last date for Marine Diesel Mechanics students to register or add courses Last date for Marine Diesel Mechanics students to drop courses and receive 100% refund of tuition fees

deYoung, Brad

471

Diesel: Applying Privilege Separation to Database Access Adrienne Porter Felt  

E-Print Network [OSTI]

Diesel: Applying Privilege Separation to Database Access Adrienne Porter Felt UC Berkeley apf reviewers. We construct a system called Diesel, which implements data sep- aration by intercepting database queries and applying mod- ules' restrictions to the queries. We evaluate Diesel on three widely

Wagner, David

472

Vibration signatures, wavelets and principal components analysis in diesel engine  

E-Print Network [OSTI]

Vibration signatures, wavelets and principal components analysis in diesel engine diagnostics G of a normally aspirated diesel engine contain valu­ able information on the health of the combustion chamber induced in a 4­stroke diesel engine and the ensuing vi­ bration signals recorded. Three different feature

Sharkey, Amanda

473

Diesel: Applying Privilege Separation to Database Adrienne Porter Felt  

E-Print Network [OSTI]

Diesel: Applying Privilege Separation to Database Access Adrienne Porter Felt Matthew Finifter Joel to lists, requires prior specific permission. #12;Diesel: Applying Privilege Separation to Database Access and code reviewers. We design and construct a system called Diesel, which implements data separation

Wagner, David

474

Photocatalytic destruction of automobile exhaust emissions  

SciTech Connect (OSTI)

Hydrocarbons, carbon monoxide, and nitrogen oxides contained in automobile exhaust emissions are among the major atmospheric air pollutants. During the first few minutes of a cold start of the engine, the emission levels of unburned hydrocarbon and CO pollutants are very high due to the inefficiency of the cold engine and the poor activity of the catalysts lower temperatures. Therefore, it is necessary to provide an alternative approach to deal with this specific problem in order to meet near-term regulatory requirements. Our approach has been to use known photocatalytic reactions obtainable on semiconducting powders such as titanium dioxide. In this presentation we describe our recent studies aimed at the photocatalytic reduction of unburned hydrocarbons and carbon monoxide in automobile exhaust emissions. Our results demonstrate the effective destruction of propylene into water and carbon dioxide. The conversion was found to be dependent on the propylene flow rate. The reaction rate was studied as a function of time, humidity and temperature. The effect of the power of the UV source on conversion will also be presented.

Kaviranta, P.D.; Peden, C.H.F. [Pacific Northwest National Lab., Richland, WA (United States)

1996-10-01T23:59:59.000Z

475

Diesel particulate filter regeneration via resistive surface heating  

SciTech Connect (OSTI)

An exhaust system that processes exhaust generated by an engine is provided. The system includes: a particulate filter (PF) that filters particulates from the exhaust wherein an upstream end of the PF receives exhaust from the engine; and a grid of electrically resistive material that is applied to an exterior upstream surface of the PF and that selectively heats exhaust passing through the grid to initiate combustion of particulates within the PF.

Gonze, Eugene V; Ament, Frank

2013-10-08T23:59:59.000Z

476

Estimating diesel engine performance by indirect methods  

E-Print Network [OSTI]

to measure the temperatures of the exhaust gas, the exhaust manifold surface and the inlet air charge. A theoretical temperature which was a function of both gas and manifold temperatures was calculated. Dynamometer experiments were performed to measure... Station is gratefully acknowledged. The staff of the Case-International Harvestor dealership in Bryan are sincerely thanked for their cooperation and assistance with the PTO dynamometer experiments. The cooperation of the Angonia family...

McKiernan, Michael

1987-01-01T23:59:59.000Z

477

?Aceite Vegetal Puro Como Combustible Diesel? (Straight Vegetable Oil as a Diesel Fuel? Spanish Version) (Fact Sheet)  

SciTech Connect (OSTI)

Discusses the use of straight vegetable oil as a diesel fuel and the use of biodiesel as a transportation fuel.

Not Available

2010-06-01T23:59:59.000Z

478

Diesel Generator Fuel Oil, Diesel Generator Lubricating Oil, and Diesel Generator Starting Air Requirements"  

E-Print Network [OSTI]

(ISTS) and adds requirements for DG Lubricating Oil, and DG Starting Air. The proposed changes will assure that required quality and quantity of DG Fuel Oil is maintained and also will assure that sufficient DG Lubricating Oil and DG Starting Air is maintained. This proposed amendment imposes limits on DG support system parameters to ensure the DGs will be able to perform their design function. This proposed amendment also brings the current TS on DG Fuel Oil into alignment with the ISTS. This amendment is modeled after the ISTS, Section 3.8.3. This amendment also incorporates into the FCS TS improvements to ISTS Sections 3.8.3 and 5.5 consistent with those provided in Technical Specification Task Force (TSTF) travelers TSTF-254, Rev. 2 and TSTF-374, Rev. 0. FCS also requests approval of reduction in commitments with respect to the FCS Quality Assurance (QA) Program associated with this License Amendment Request. This License Amendment Request adds a Surveillance [Table 3-5, Item 9c] stating that the DG Fuel Oil Properties are required to be verified within limits in accordance with the Diesel Fuel Oil Testing Program. These tests are to be conducted prior to adding the new fuel to the storage tank(s), but in no case is the time between receipt of new fuel and conducting the tests to exceed 31 days.

Omaha Public; Power Distrct

1979-01-01T23:59:59.000Z

479

Catalytic reduction system for oxygen-rich exhaust  

DOE Patents [OSTI]

Non-thermal plasma gas treatment is combined with selective catalytic reduction to enhance NO{sub x} reduction in oxygen-rich vehicle engine exhausts. 8 figs.

Vogtlin, G.E.; Merritt, B.T.; Hsiao, M.C.; Wallman, P.H.; Penetrante, B.M.

1999-04-13T23:59:59.000Z

480

Evaluating Exhaust Emission Performance of Urban Buses Using...  

Broader source: Energy.gov (indexed) [DOE]

TECHNICAL RESEARCH CENTRE OF FINLAND 2004 DEER Conference Aug 28 - Sept 2, Coronado, California, USA VTT PROCESSES Kimmo Erkkil 1 EVALUATING EXHAUST EMISSION PERFORMANCE OF URBAN...

Note: This page contains sample records for the topic "acetaldehyde diesel exhaust" 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.


481

Combustion Exhaust Gas Heat to Power usingThermoelectric Engines...  

Broader source: Energy.gov (indexed) [DOE]

Solutions Combustion Exhaust Gas Heat to Power using Thermoelectric Engines John LaGrandeur October 5, 2011 Advanced Thermoelectric Solutions - 1 - Market motivation based on CO 2...

482

Dual-fueling turbocharged diesels with ethanol  

SciTech Connect (OSTI)

Spray addition and carburetion methods were tested for dual-fueling a turbocharged, 65 kW diesel tractor. Approximately 30 percent of the fuel energy for the tractor was supplied by spraying ethanol into the intake air and about 46 percent by carburetion with little affect on the engine thermal efficiency. Further substitution of diesel fuel with ethanol was limited by knock. As the amount of ethanol fed into the engine was increased, ignition apparently changed from the steady burning process which normally occurs in a diesel engine to a rapid explosion which caused knock. The best fuel for the spray approach was a 50 percent ethanol/water solution and with the carburetor it was an 80 percent ethanol/water solution. (Refs. 6).

Cruz, J.M.; Rotz, C.A.; Watson, D.H.

1982-09-01T23:59:59.000Z

483

Dual-fueling turbocharged diesels with ethanol  

SciTech Connect (OSTI)

Spray addition and carburetion methods were tested for dual-fueling a turbocharged, 65 kW diesel tractor. Approximately 30 percent of the fuel energy for the tractor was supplied by spraying ethanol into the intake air and about 46 percent by carburetion with little affect on the engine thermal efficiency. Further substitution of diesel fuel with ethanol was limited by knock. As the amount of ethanol fed into the engine was increased, ignition apparently changed from the steady burning process which normally occurs in a diesel engine to a rapid explosion which caused knock. The best fuel for the spray approach was a 50 percent ethanol/water solution and with the carburetor it was an 80 percent ethanol/water solution.

Cruz, J.M.; Rotz, C.A.; Watson, D.H.

1982-09-01T23:59:59.000Z

484

Experimental study and modeling of dodecane ignition in a diesel engine  

SciTech Connect (OSTI)

Two experiments have been performed under conditions as close as possible to those existing in a diesel engine. The first is oxidation of n-dodecane in a motored diesel engine running under conditions close to ignition but avoiding it. The progress of chemical reactions is followed by measurements of the global temperature increase {Delta}T of the exhaust gases, and by continuous sampling of the combustion chamber gases, to measure the concentrations of hydroperoxides and molecular hydrogen; about 4.2% of the energy introduced as hydrocarbon is consumed, thus showing significant transformations during the ignition delay of n-dodecane. The location of the maximum concentration of hydroperoxides coincides with the fuel jet`s edge. Tarlike compounds are present in the unburnt dodecane at the engine exhaust. The second experiment is the study of ignition delay of an n-dodecane spray in an oxidation chamber filled with air, between 715 and 760 K and 15 and 25 bar. A reduced mechanism of 32 reactions, with three types of branching due to the species (RO{sub 2}, RO{sub 2}H), (HO{sub 2}, H{sub 2}O{sub 2}), and H, enable one to predict the ignition delay. Computer simulations are made with the KIVA II code. They show good agreement between the experimental and the calculated ignition delays. They also indicate that, during the ignition delay, reactions occur first at the boundary of the fuel spray. A temperature increase of about 100 K takes place at the hottest points, which correspond to concentration maxima of the three branching species. Time-dependent evolutions of average concentrations show that RO{sub 2}H reaches a maximum first, then H{sub 2}O{sub 2}, and lastly the H atom.

Sahetchian, K. [CNRS, Saint-Cyr-l`Ecole (France). Lab. de Mecanique Physique] [CNRS, Saint-Cyr-l`Ecole (France). Lab. de Mecanique Physique; Champoussin, J.C.; Brun, M. [Ecole Centrale de Lyon, Ecully (France). Lab. de Machines Thermiques] [Ecole Centrale de Lyon, Ecully (France). Lab. de Machines Thermiques

1995-11-01T23:59:59.000Z

485

Lean-NOx Catalyst Development for Diesel Engine Applications  

Broader source: Energy.gov (indexed) [DOE]

NO, C 3 H 6 , O 2 , H 2 O In 2 O 3 SiO 2 Alumina GCMS Acetaldehyde (CH 3 CHO) Acrolein (CH 2 CH-CHO) No N 2 produced In 2 O 3 SiO 2 Alumina GCMS Feed Gas NO, C 3 H 6...

486

Production of Diesel Engine Turbocharger Turbine from Low Cost Titanium Powder  

SciTech Connect (OSTI)

Turbochargers in commercial turbo-diesel engines are multi-material systems where usually the compressor rotor is made of aluminum or titanium based material and the turbine rotor is made of either a nickel based superalloy or titanium, designed to operate under the harsh exhaust gas conditions. The use of cast titanium in the turbine section has been used by Cummins Turbo Technologies since 1997. Having the benefit of a lower mass than the superalloy based turbines; higher turbine speeds in a more compact design can be achieved with titanium. In an effort to improve the cost model, and develop an industrial supply of titanium componentry that is more stable than the traditional aerospace based supply chain, the Contractor has developed component manufacturing schemes that use economical Armstrong titanium and titanium alloy powders and MgR-HDH powders. Those manufacturing schemes can be applied to compressor and turbine rotor components for diesel engine applications with the potential of providing a reliable supply of titanium componentry with a cost and performance advantage over cast titanium.

Muth, T. R.; Mayer, R. (Queen City Forging)

2012-05-04T23:59:59.000Z

487

Measurement of Dynamic Parameters of Automotive Exhaust Mohan D. Rao  

E-Print Network [OSTI]

1 01NVC-121 Measurement of Dynamic Parameters of Automotive Exhaust Hangers Mohan D. Rao ME Copyright © 2001 Society of Automotive Engineers, Inc. ABSTRACT Different methodologies to test and analyze the dynamic stiffness (K) and damping (C) properties of several silicone and EPDM rubber automotive exhaust

Rao, Mohan

488

Extraction costs in the theory of exhaustible resources  

E-Print Network [OSTI]

Extraction costs in the theory of exhaustible resources Robert M. Solow Professor of Economics. First, it reformulates the theory of optimal use of an exhaustible resource with more attention in the supply of exhausti- ble resources. Our most striking result is, in fact, the suggestion that relatively

Wan, Frederic Yui-Ming

489

Catalytic Methane Reduction in the Exhaust Gas of Combustion Engines  

E-Print Network [OSTI]

Catalytic Methane Reduction in the Exhaust Gas of Combustion Engines Peter Mauermann1,* , Michael Dornseiffer6 , Frank Amkreutz6 1 Institute for Combustion Engines , RWTH Aachen University, Schinkelstr. 8, D of the hydrocarbon exhaust of internal combustion engines. In contrast to other gaseous hydrocarbons, significant

Dunin-Borkowski, Rafal E.

490

Exhaust Gas Sensor Based On Tin Dioxide For Automotive Application  

E-Print Network [OSTI]

Exhaust Gas Sensor Based On Tin Dioxide For Automotive Application Arthur VALLERON a,b , Christophe, Engineering Materials Department The aim of this paper is to investigate the potentialities of gas sensor based on semi-conductor for exhaust gas automotive application. The sensing element is a tin dioxide

Paris-Sud XI, Université de

491

Diesel-engine fumigation with aqueous ethanol  

SciTech Connect (OSTI)

A three cylinder, two cycle diesel engine, rated at 22KW at 2300 rpm, was fumigated with ethanol of 140-to-200 proofs. P-T diagrams and engine performance were analyzed with particular emphasis on the detection and evaluation of the knock phenomenon. Satisfactory full load operation was obtained with thirty percent of the fuel energy supplied as aqueous ethanol.

McLaughlin, S.L.; Stephenson, K.Q.

1981-01-01T23:59:59.000Z

492

Caterpillar Light Truck Clean Diesel Program  

SciTech Connect (OSTI)

In 1998, light trucks accounted for over 48% of new vehicle sales in the U.S. and well over half the new Light Duty vehicle fuel consumption. The Light Truck Clean Diesel (LTCD) program seeks to introduce large numbers of advanced technology diesel engines in light-duty trucks that would improve their fuel economy (mpg) by at least 50% and reduce our nation's dependence on foreign oil. Incorporating diesel engines in this application represents a high-risk technical and economic challenge. To meet the challenge, a government-industry partnership (Department of Energy, diesel engine manufacturers, and the automotive original equipment manufacturers) is applying joint resources to meet specific goals that will provide benefits to the nation. [1] Caterpillar initially teamed with Ford Motor Company on a 5 year program (1997-2002) to develop prototype vehicles that demonstrate a 50% fuel economy improvement over the current 1997 gasoline powered light truck vehicle in this class while complying with EPA's Tier II emissions regulations. The light truck vehicle selected for the demonstration is a 1999 Ford F150 SuperCab. To meet the goals of the program, the 4.6 L V-8 gasoline engine in this vehicle will be replaced by an advanced compression ignition direct injection (CIDI) engine. Key elements of the Caterpillar LTCD program plan to develop the advanced CIDI engine are presented in this paper.

Robert L. Miller; Kevin P. Duffy; Michael A. Flinn; Steve A. Faulkner; Mike A. Graham

1999-04-26T23:59:59.000Z

493

Exploring Low Emission Lubricants for Diesel Engines  

SciTech Connect (OSTI)

A workshop to explore the technological issues involved with the removal of sulfur from lubricants and the development of low emission diesel engine oils was held in Scottsdale, Arizona, January 30 through February 1, 2000. It presented an overview of the current technology by means of panel discussions and technical presentations from industry, government, and academia.

Perez, J. M.

2000-07-06T23:59:59.000Z

494

Acceptance test procedure for SY Tank Farm replacement exhauster unit  

SciTech Connect (OSTI)

The proper functioning of a new 241-SY Tank Farm replacement exhauster will be acceptance tested, to establish operability and to provide an operational baseline for the equipment. During this test, a verification of all of the alarm and control circuits associated with the exhaust, which provide operating controls and/or signals to local and remote alarm/annunciator panels, shall be performed. Test signals for sensors that provide alarms, warnings, and/or interlocks will be applied to verify that alarm, warning, and interlock setpoints are correct. Alarm and warning lights, controls, and local and remote readouts for the exhauster will be verified to be adequate for proper operation of the exhauster. Testing per this procedure shall be conducted in two phases. The first phase of testing, to verify alarm, warning, and interlock setpoints primarily, will be performed in the MO-566 Fab Shop. The second phase of testing, to verify proper operation and acceptable interface with other tank farm systems, will be conducted after the exhauster and all associated support and monitoring equipment have been installed in the SY Tank Farm. The exhauster, which is mounted on a skid and which will eventually be located in the SY tank farm, receives input signals from a variety of sensors mounted on the skid and associated equipment. These sensors provide information such as: exhauster system inlet vacuum pressure; prefilter and HEPA filter differential pressures; exhaust stack sampler status; exhaust fan status; system status (running/shut down); and radiation monitoring systems status. The output of these sensors is transmitted to the exhauster annunciator panel where the signals are displayed and monitored for out-of-specification conditions.

Becken, G.W.

1994-12-16T23:59:59.000Z

495

Achievement of stable and clean combustion over a wide operating range in a spark-assisted IDI diesel engine with neat ethanol  

SciTech Connect (OSTI)

Spark-assisted diesel engines operated with alcohol fuels usually display misfiring or knocking problems. This paper presents an analysis of the factors influencing the ignition characteristics of ethanol in a swirl chamber diesel engine with a multi-spark ignitor. In the experiments, cycle-to-cycle combustion variations and the degree of knocking were investigated by changing engine parameters over a wide operating range. The results of the investigations showed that stable ignition and smooth combustion is achieved when a flammable mixture is formed in the vicinity of the spark plug when only a small amount of the injected fuel has evaporated. By optimizing the design factors, operation with high efficiency and low exhaust emissions was achieved.

Murayama, T.; Chikahisa, T.; Miyamoto, N.; Ogawa, H.

1984-02-01T23:59:59.000Z

496

Experimental Investigation of Fuel-Reactivity Controlled Compression Ignition (RCCI) Combustion Mode in a Multi-Cylinder, Light-Duty Diesel Engine  

SciTech Connect (OSTI)

An experimental study was performed to provide the combustion and emission characteristics resulting from fuel-reactivity controlled compression ignition (RCCI) combustion mode utilizing dual-fuel approach in a light-duty, multi-cylinder diesel engine. In-cylinder fuel blending using port fuel injection of gasoline before intake valve opening (IVO) and early-cycle, direct injection of diesel fuel was used as the charge preparation and fuel blending strategy. In order to achieve the desired auto-ignition quality through the stratification of the fuel-air equivalence ratio ( ), blends of commercially available gasoline and diesel fuel were used. Engine experiments were performed at an engine speed of 2300rpm and an engine load of 4.3bar brake mean effective pressure (BMEP). It was found that significant reduction in both nitrogen oxide (NOx) and particulate matter (PM) was realized successfully through the RCCI combustion mode even without applying exhaust gas recirculation (EGR). However, high carbon monoxide (CO) and hydrocarbon (HC) emissions were observed. The low combustion gas temperature during the expansion and exhaust processes seemed to be the dominant source of high CO emissions in the RCCI combustion mode. The high HC emissions during the RCCI combustion mode could be due to the increased combustion quenching layer thickness as well as the -stratification at the periphery of the combustion chamber. The slightly higher brake thermal efficiency (BTE) of the RCCI combustion mode was observed than the other combustion modes, such as the conventional diesel combustion (CDC) mode, and single-fuel, premixed charge compression ignition (PCCI) combustion mode. The parametric study of the RCCI combustion mode revealed that the combustion phasing and/or the peak cylinder pressure rise rate of the RCCI combustion mode could be controlled by several physical parameters premixed ratio (rp), intake swirl intensity, and start of injection (SOI) timing of directly injected fuel unlike other low temperature combustion (LTC) strategies.

Cho, Kukwon [ORNL] [ORNL; Curran, Scott [ORNL] [ORNL; Prikhodko, Vitaly Y [ORNL] [ORNL; Sluder, Scott [ORNL] [ORNL; Parks, II, James E [ORNL; Wagner, Robert M [ORNL] [ORNL

2011-01-01T23:59:59.000Z

497

Black Carbon Concentrations and Diesel Vehicle Emission Factors Derived from Coefficient of Haze Measurements in California: 1967-2003  

E-Print Network [OSTI]

Inventory for Heavy-Duty Diesel Truck Emissions. J. Air &T. A. Cackette (2001), Diesel engines: Environmental impact2003), http://www.arb.ca.gov/diesel/diesel.htm BAAQMD, Bay

Kirchstetter, Thomas W.; Aguiar, Jeffery; Tonse, Shaheen; Novakov, T.

2008-01-01T23:59:59.000Z

498

E-Print Network 3.0 - automobile exhaust gases Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

exhaust gases Page: << < 1 2 3 4 5 > >> 1 Ability of Catalytic Converters to Reduce Air Pollution Summary: Air Pollution MEASUREMENT OF SELECTED AIR POLLUTANTS IN CAR EXHAUST...

499

E-Print Network 3.0 - aircraft exhaust sulfur Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

gases FAA, 2005. Water in the aircraft exhaust at altitude may have a greenhouse effect... . Aircraft exhaust emissions are calculated for the ... Source: Ecole...

500

Steam atmosphere drying exhaust steam recompression system  

DOE Patents [OSTI]

This invention relates to a heated steam atmosphere drying system comprising dryer in combination with an exhaust recompression system which is extremely energy efficient and eliminates dangers known to air dryers. The system uses superheated steam as the drying medium, which recirculates through the system where its heat of evaporation and heat of compression is recovered, thereby providing a constant source of heat to the drying chamber. The dryer has inlets whereby feedstock and superheated steam are fed therein. High heat transfer and drying rates are achieved by intimate contact of the superheated steam with the particles being dried. The dryer comprises a vessel which enables the feedstock and steam to enter and recirculate together. When the feedstock becomes dry it will exit the dryer with the steam and become separated from the steam through the use of a curvilinear louver separator (CLS). The CLS enables removal of fine and ultrafine particles from the dryer. Water vapor separated from the particles in the CLS as superheated steam, may then be recovered and recirculated as steam through the use of a compressor to either directly or indirectly heat the dryer, and a heat exchanger or a heater to directly provide heat to the dryer. This system not only provides a very efficient heat transfer system but results in a minimum carry-over of ultrafine particles thereby eliminating any explosive hazard. 17 figures.

Becker, F.E.; Smolensky, L.A.; Doyle, E.F.; DiBella, F.A.

1994-03-08T23:59:59.000Z