Sample records for lpg distillate motor

  1. Catalytic Distillation

    E-Print Network [OSTI]

    Smith, L. A., Jr.; Hearn, D.; Wynegar, D. P.

    1984-01-01T23:59:59.000Z

    Catalytic Distillation' refers to a chemical process which performs both a catalyzed reaction and primary fractionation of the reaction components simultaneously. A structured catalyst which also is an effective distillation component has been...

  2. Africa gaining importance in world LPG trade

    SciTech Connect (OSTI)

    Haun, R.R. [Purvin and Gertz Inc., Dallas, TX (United States); Otto, K.W.; Whitley, S.C. [Purvin and Gertz Inc., Houston, TX (United States)

    1997-05-12T23:59:59.000Z

    Major LPG projects planned or under way in Africa will increase the importance of that region`s presence in world LPG trade. Supplies will nearly double between 1995 and 2005, at which time they will remain steady for at least 10 years. At the same time that exports are leveling, however, increasing domestic demand for PG is likely to reduce export-market participation by Algeria, Nigeria, Egypt, and Libya. The growth of Africa`s participation in world LPG supply is reflected in comparisons for the next 15--20 years. Total world supply of LPG in 1995 was about 165 million metric tons (tonnes), of which Africans share was 7.8 million tonnes. By 2000, world supply will grow to slightly more than 200 million tonnes, with Africa`s share expected to increase to 13.2 million tonnes (6.6%). And by 2005, world LPG supply will reach nearly 230 million tonnes; Africa`s overall supply volumes by that year will be nearly 16.2 million tonnes (7%). World LPG supply for export in 1995 was on order of 44 million tonnes with Africa supply about 4 million tonnes (9%). By 2005, world export volumes of LPG will reach nearly 70 million tonnes; Africa`s share will have grown by nearly 10 million tonnes (14.3%).

  3. Distill, Distill_roll Distill for CASP10

    E-Print Network [OSTI]

    Pollastri, Gianluca

    Distill, Distill_roll Distill for CASP10 C. Mirabello1, G. Tradigo1,2 , P.Veltri2, and G. Pollastri1 1 ­ UCD Dublin, Ireland, 2 ­ Università di Cosenza, Italy gianluca.pollastri@ucd.ie Distill has to the distance maps of templates rather than to predicted contact maps. The difference between Distill

  4. Distillation 29 Chem 355 Jasperse DISTILLATION

    E-Print Network [OSTI]

    Jasperse, Craig P.

    Distillation 29 Chem 355 Jasperse DISTILLATION Background Distillation is a widely used technique for purifying liquids. The basic distillation process involves heating a liquid such that liquid molecules that is condensed and collected must be more pure than the original liquid mix. Distillation can be used to remove

  5. Fire safety of LPG in marine transportation

    SciTech Connect (OSTI)

    Martinsen, W.E.; Johnson, D.W.; Welker, J.R.

    1980-08-01T23:59:59.000Z

    This report contains an analytical examination of cargo spill and fire hazard potential associated with the marine handling of liquefied petroleum gas (LPG) as cargo. Principal emphasis was on cargo transfer operations for ships unloading at receiving terminals, and barges loading or unloading at a terminal. Major safety systems, including emergency shutdown systems, hazard detection systems, and fire extinguishment and control systems were included in the analysis. Spill probabilities were obtained from fault tree analyses utilizing composite LPG tank ship and barge designs. Failure rates for hardware in the analyses were generally taken from historical data on similar generic classes of hardware, there being very little historical data on the specific items involved. Potential consequences of cargo spills of various sizes are discussed and compared to actual LPG vapor cloud incidents. The usefulness of hazard mitigation systems (particularly dry chemical fire extinguishers and water spray systems) in controlling the hazards posed by LPG spills and spill fires is also discussed. The analysis estimates the probability of fatality for a terminal operator is about 10/sup -6/ to 10/sup -5/ per cargo transfer operation. The probability of fatality for the general public is substantially less.

  6. Application of Energy Saving Concepts to LPG Recovery Plants

    E-Print Network [OSTI]

    Carpenter, M. J.; Barnwell, J.

    1982-01-01T23:59:59.000Z

    Raw LPG extraction plants, designed prior to the 73/74 steep energy rise, offer opportunities for application of energy saving concepts. Many plants designed to recover raw LPG from associated gases and built prior to 1973/74 are relatively energy...

  7. Catalytic distillation structure

    DOE Patents [OSTI]

    Smith, Jr., Lawrence A. (Bellaire, TX)

    1984-01-01T23:59:59.000Z

    Catalytic distillation structure for use in reaction distillation columns, a providing reaction sites and distillation structure and consisting of a catalyst component and a resilient component intimately associated therewith. The resilient component has at least about 70 volume % open space and being present with the catalyst component in an amount such that the catalytic distillation structure consist of at least 10 volume % open space.

  8. LPG-recovery processes for baseload LNG plants examined

    SciTech Connect (OSTI)

    Chiu, C.H. [Bechtel Corp., Houston, TX (United States)

    1997-11-24T23:59:59.000Z

    With demand on the rise, LPG produced from a baseload LNG plant becomes more attractive as a revenue-earning product similar to LNG. Efficient use of gas expanders in baseload LNG plants for LPG production therefore becomes more important. Several process variations for LPG recovery in baseload LNG plants are reviewed here. Exergy analysis (based on the Second Law of Thermodynamics) is applied to three cases to compare energy efficiency resulting from integration with the main liquefaction process. The paper discusses extraction in a baseload plant, extraction requirements, process recovery parameters, extraction process variations, and exergy analysis.

  9. Monitoring, safety systems for LNG and LPG operators

    SciTech Connect (OSTI)

    True, W.R.

    1998-11-16T23:59:59.000Z

    Operators in Korea and Australia have chosen monitoring and control systems in recent contracts for LNG and LPG storage. Korea Gas Corp. (Kogas) has hired Whessoe Varec, Calais, to provide monitoring systems for four LNG storage tanks being built at Kogas` Inchon terminal. For Elgas Ltd., Port Botany, Australia, Whessoe Varec has already shipped a safety valve-shutdown system to a new LPG cavern-storage facility under construction. The paper describes the systems, terminal monitoring, dynamic approach to tank management, and meeting the growing demand for LPG.

  10. DistillationTheory.fm 2 September 1999 Distillation Theory.

    E-Print Network [OSTI]

    Skogestad, Sigurd

    1 DistillationTheory.fm 2 September 1999 Distillation Theory. by Ivar J. Halvorsen and Sigurd, Norway #12;2 DistillationTheory.fm 2 September 1999 Table of Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Material Balance on a Distillation Stage

  11. Catalytic distillation structure

    DOE Patents [OSTI]

    Smith, L.A. Jr.

    1984-04-17T23:59:59.000Z

    Catalytic distillation structure is described for use in reaction distillation columns, and provides reaction sites and distillation structure consisting of a catalyst component and a resilient component intimately associated therewith. The resilient component has at least about 70 volume % open space and is present with the catalyst component in an amount such that the catalytic distillation structure consists of at least 10 volume % open space. 10 figs.

  12. INNOVATION EDUCATION EXCELLENCE DISTILLATIONS

    E-Print Network [OSTI]

    Chan, Hue Sun

    INNOVATION · EDUCATION · EXCELLENCE DISTILLATIONS University of Toronto CHEMISTRY ALUMNI MAGAZINE.utoronto.ca / distillations 2012 MessagefromtheChair Our Department of Chemistry has one of the finest collection of peo- ple to a better, more sustain- able future. This issue of Distillations highlights the accomplishments last year

  13. Canonical Distillation of Entanglement

    E-Print Network [OSTI]

    Tamoghna Das; Asutosh Kumar; Amit Kumar Pal; Namrata Shukla; Aditi Sen De; Ujjwal Sen

    2015-02-10T23:59:59.000Z

    Distilling highly entangled quantum states from weaker ones is a process that is crucial for efficient and long-distance quantum communication, and has implications for several other quantum information protocols. We introduce the notion of distillation under limited resources, and specifically focus on the energy constraint. The corresponding protocol, which we call the canonical distillation of entanglement, naturally leads to the set of canonically distillable states. We show that for non-interacting Hamiltonians, almost no states are canonically distillable, while the situation can be drastically different for interacting ones. Several paradigmatic Hamiltonians are considered for bipartite as well as multipartite canonical distillability. The results have potential applications for practical quantum communication devices.

  14. Distillation: The Efficient Workhorse

    E-Print Network [OSTI]

    Steinmeyer, D.

    DISTILLATION: THE EFFICIENT WORKHORSE Dan Steinmeyer Monsanto Company St. Louis, Missouri Distillation is inherently highly efficient: phase separation is clean it is relatively easy to build a mUltistage countercurrent device equilibrium... is closely approached on each stage Given the right perspective; the right application; and the right design - distillation is difficult to beat from an efficiency standpoint. ? The right perspective is that efficiency is the ratio of the work...

  15. Assessment of research and development (R and D) needs in LPG safety and environmental control

    SciTech Connect (OSTI)

    DeSteese, J.G.

    1982-05-01T23:59:59.000Z

    The report characterizes the LPG industry covering all operations from production to end use, reviews current knowledge of LPG release phenomenology, summarizes the status of current LPG release prevention and control methodology, and identifies any remaining safety and environmental problems and recommends R and D strategies that may mitigate these problems. (ACR)

  16. Generalized entanglement distillation

    E-Print Network [OSTI]

    Yu-Bo Sheng; Lan Zhou

    2014-04-14T23:59:59.000Z

    We present a way for the entanglement distillation of genuine mixed state. Different from the conventional mixed state in entanglement purification protocol, each components of the mixed state in our protocol is a less-entangled state, while it is always a maximally entangled state. With the help of the weak cross-Kerr nonlinearity, this entanglement distillation protocol does not require the sophisticated single-photon detectors. Moreover, the distilled high quality entangled state can be retained to perform the further distillation. These properties make it more convenient in practical applications.

  17. MULTIVESSEL BATCH DISTILLATION EXPERIMENTAL VERIFICATION

    E-Print Network [OSTI]

    Skogestad, Sigurd

    MULTIVESSEL BATCH DISTILLATION ­ EXPERIMENTAL VERIFICATION Bernd Wittgens and Sigurd Skogestad 1 The experimental verification of the operation of a multivessel batch distillation column, operated under total vessels, provides a generalization of previously proposed batch distillation schemes. We propose a simple

  18. Catalytic distillation process

    DOE Patents [OSTI]

    Smith, Jr., Lawrence A. (Bellaire, TX)

    1982-01-01T23:59:59.000Z

    A method for conducting chemical reactions and fractionation of the reaction mixture comprising feeding reactants to a distillation column reactor into a feed zone and concurrently contacting the reactants with a fixed bed catalytic packing to concurrently carry out the reaction and fractionate the reaction mixture. For example, a method for preparing methyl tertiary butyl ether in high purity from a mixed feed stream of isobutene and normal butene comprising feeding the mixed feed stream to a distillation column reactor into a feed zone at the lower end of a distillation reaction zone, and methanol into the upper end of said distillation reaction zone, which is packed with a properly supported cationic ion exchange resin, contacting the C.sub.4 feed and methanol with the catalytic distillation packing to react methanol and isobutene, and concurrently fractionating the ether from the column below the catalytic zone and removing normal butene overhead above the catalytic zone.

  19. Catalytic distillation process

    DOE Patents [OSTI]

    Smith, L.A. Jr.

    1982-06-22T23:59:59.000Z

    A method is described for conducting chemical reactions and fractionation of the reaction mixture comprising feeding reactants to a distillation column reactor into a feed zone and concurrently contacting the reactants with a fixed bed catalytic packing to concurrently carry out the reaction and fractionate the reaction mixture. For example, a method for preparing methyl tertiary butyl ether in high purity from a mixed feed stream of isobutene and normal butene comprising feeding the mixed feed stream to a distillation column reactor into a feed zone at the lower end of a distillation reaction zone, and methanol into the upper end of said distillation reaction zone, which is packed with a properly supported cationic ion exchange resin, contacting the C[sub 4] feed and methanol with the catalytic distillation packing to react methanol and isobutene, and concurrently fractionating the ether from the column below the catalytic zone and removing normal butene overhead above the catalytic zone.

  20. Fire safety of LPG in marine transportation. Final report

    SciTech Connect (OSTI)

    Martinsen, W.E.; Johnson, D.W.; Welker, J.R.

    1980-06-01T23:59:59.000Z

    This report contains an analytical examination of cargo spill and fire hazard potential associated with the marine handling of liquefied petroleum gas (LPG) as cargo. Principal emphasis was on cargo transfer operations for ships unloading at receiving terminals, and barges loading or unloading at a terminal. Major safety systems, including emergency shutdown systems, hazard detection systems, and fire extinguishment and control systems were included in the analysis. Spill probabilities were obtained from fault tree analyses utilizing composite LPG tank ship and barge designs. Failure rates for hardware in the analyses were generally taken from historical data on similar generic classes of hardware, there being very little historical data on the specific items involved. Potential consequences of cargo spills of various sizes are discussed and compared to actual LPG vapor cloud incidents. The usefulness of hazard mitigation systems (particularly dry chemical fire extinguishers and water spray systems) in controlling the hazards posed by LPG spills and spill fires is also discussed. The analysis estimates the probability of fatality for a terminal operator is about 10/sup -6/ to 10/sup -5/ per cargo transfer operation. The probability of fatality for the general public is substantially less.

  1. 2000-32 V'B SAFETY PROVISIONS AND LPG

    E-Print Network [OSTI]

    Boyer, Edmond

    metres (m3 ) of LPG (exclusively butane and propane) not including the underground storage sites. Some 90% of these 95 sites were created between 1956 and 1975. These sites have over 300,000 m3 of storage capacity and 82 propane), 200 horizontal tanks and 2 vertical cryogenic tanks (35,000 and 20,000 m3

  2. Numerical Simulations of Leakage from Underground LPG Storage Caverns

    SciTech Connect (OSTI)

    Yamamoto, Hajime; Pruess, Karsten

    2004-09-01T23:59:59.000Z

    To secure a stable supply of petroleum gas, underground storage caverns for liquified petroleum gas (LPG) are commonly used in many countries worldwide. Storing LPG in underground caverns requires that the surrounding rock mass remain saturated with groundwater and that the water pressure be higher than the liquid pressure inside the cavern. In previous studies, gas containment criteria for underground gas storage based on hydraulic gradient and pressure have been discussed, but these studies do not consider the physicochemical characteristics and behavior of LPG such as vaporization and dissolution in groundwater. Therefore, while these studies are very useful for designing storage caverns, they do not provide better understanding of the either the environmental effects of gas contamination or the behavior of vaporized LPG. In this study, we have performed three-phase fluid flow simulations of gas leakage from underground LPG storage caverns, using the multiphase multicomponent nonisothermal simulator TMVOC (Pruess and Battistelli, 2002), which is capable of solving the three-phase nonisothermal flow of water, gas, and a multicomponent mixture of volatile organic chemicals (VOCs) in multidimensional heterogeneous porous media. A two-dimensional cross-sectional model resembling an actual underground LPG facility in Japan was developed, and gas leakage phenomena were simulated for three different permeability models: (1) a homogeneous model, (2) a single-fault model, and (3) a heterogeneous model. In addition, the behavior of stored LPG was studied for the special case of a water curtain suddenly losing its function because of operational problems, or because of long-term effects such as clogging of boreholes. The results of the study indicate the following: (1) The water curtain system is a very powerful means for preventing gas leakage from underground storage facilities. By operating with appropriate pressure and layout, gas containment can be ensured. (2) However , in highly heterogeneous media such as fractured rock and fault zones, local flow paths within which the gas containment criterion is not satisfied could be formed. To eliminate such zones, treatments such as pre/post grouting or an additional installment of water-curtain boreholes are essential. (3) Along highly conductive features such as faults, even partially saturated zones possess certain effects that can retard or prevent gas leakage, while a fully unsaturated fault connected to the storage cavern can quickly cause a gas blowout. This possibility strongly suggests that ensuring water saturation of the rock surrounding the cavern is a very important requirement. (4) Even if an accident should suddenly impair the water curtain, the gas plume does not quickly penetrate the ground surface. In these simulations, the plume takes several months to reach the ground surface.

  3. Advanced Distillation Final Report

    SciTech Connect (OSTI)

    Maddalena Fanelli; Ravi Arora; Annalee Tonkovich; Jennifer Marco; Ed Rode

    2010-03-24T23:59:59.000Z

    The Advanced Distillation project was concluded on December 31, 2009. This U.S. Department of Energy (DOE) funded project was completed successfully and within budget during a timeline approved by DOE project managers, which included a one year extension to the initial ending date. The subject technology, Microchannel Process Technology (MPT) distillation, was expected to provide both capital and operating cost savings compared to conventional distillation technology. With efforts from Velocys and its project partners, MPT distillation was successfully demonstrated at a laboratory scale and its energy savings potential was calculated. While many objectives established at the beginning of the project were met, the project was only partially successful. At the conclusion, it appears that MPT distillation is not a good fit for the targeted separation of ethane and ethylene in large-scale ethylene production facilities, as greater advantages were seen for smaller scale distillations. Early in the project, work involved flowsheet analyses to discern the economic viability of ethane-ethylene MPT distillation and develop strategies for maximizing its impact on the economics of the process. This study confirmed that through modification to standard operating processes, MPT can enable net energy savings in excess of 20%. This advantage was used by ABB Lumus to determine the potential impact of MPT distillation on the ethane-ethylene market. The study indicated that a substantial market exists if the energy saving could be realized and if installed capital cost of MPT distillation was on par or less than conventional technology. Unfortunately, it was determined that the large number of MPT distillation units needed to perform ethane-ethylene separation for world-scale ethylene facilities, makes the targeted separation a poor fit for the technology in this application at the current state of manufacturing costs. Over the course of the project, distillation experiments were performed with the targeted mixture, ethane-ethylene, as well as with analogous low relative volatility systems: cyclohexane-hexane and cyclopentane-pentane. Devices and test stands were specifically designed for these efforts. Development progressed from experiments and models considering sections of a full scale device to the design, fabrication, and operation of a single-channel distillation unit with integrated heat transfer. Throughout the project, analytical and numerical models and Computational Fluid Dynamics (CFD) simulations were validated with experiments in the process of developing this platform technology. Experimental trials demonstrated steady and controllable distillation for a variety of process conditions. Values of Height-to-an-Equivalent Theoretical Plate (HETP) ranging from less than 0.5 inch to a few inches were experimentally proven, demonstrating a ten-fold performance enhancement relative to conventional distillation. This improvement, while substantial, is not sufficient for MPT distillation to displace very large scale distillation trains. Fortunately, parallel efforts in the area of business development have yielded other applications for MPT distillation, including smaller scale separations that benefit from the flowsheet flexibility offered by the technology. Talks with multiple potential partners are underway. Their outcome will also help determine the path ahead for MPT distillation.

  4. Random multiparty entanglement distillation

    E-Print Network [OSTI]

    Ben Fortescue; Hoi-Kwong Lo

    2008-01-15T23:59:59.000Z

    We describe various results related to the random distillation of multiparty entangled states - that is, conversion of such states into entangled states shared between fewer parties, where those parties are not predetermined. In previous work [Phys. Rev. Lett. 98, 260501 (2007)] we showed that certain output states (namely Einstein-Podolsky-Rosen (EPR) pairs) could be reliably acquired from a prescribed initial multipartite state (namely the W state) via random distillation that could not be reliably created between predetermined parties. Here we provide a more rigorous definition of what constitutes ``advantageous'' random distillation. We show that random distillation is always advantageous for W-class three-qubit states (but only sometimes for Greenberger-Horne-Zeilinger (GHZ)-class states). We show that the general class of multiparty states known as symmetric Dicke states can be readily converted to many other states in the class via random distillation. Finally we show that random distillation is provably not advantageous in the limit of multiple copies of pure states.

  5. Energy efficient distillation apparatus

    SciTech Connect (OSTI)

    Melton, J.D.

    1982-08-17T23:59:59.000Z

    An energy efficient distillation method is provided which is particularly adapted for use on a dairy farm, and which comprises a distilland evaporating receptacle, a distillate condensing receptacle, and a conduit interconnecting the evaporating receptacle and the condensing receptacle. A vacuum pump is provided for drawing a partial vacuum within the evaporating receptacle, and a vapor compression refrigeration system is provided which includes condenser coils disposed to heat and vaporize the distilland while it is within the evaporating receptacle, and evaporator coils for cooling and condensing the vaporized distilland in the condensing receptacle. A cooling distribution system is also provided whereby a variable portion of the cooling potential of the refrigeration system may be selectively directed to each of the condensing receptacle, a distillate receiver tank, or to a bulk milk container as utilized on a dairy farm or the like.

  6. Qutrit Magic State Distillation

    E-Print Network [OSTI]

    Anwar, Hussain; Browne, Dan E

    2012-01-01T23:59:59.000Z

    Magic state distillation (MSD) is a purification protocol that plays a central role in fault tolerant quantum computation. Repeated iteration of the steps of a MSD protocol, generates pure single non-stabilizer states, or magic states, from multiple copies of a mixed resource state using stabilizer operations only. Thus mixed resource states promote the stabilizer operations to full universality. Magic state distillation was introduced for qubit-based quantum computation, but little has been known concerning MSD in higher dimensional qudit-based computation. Here, we describe a general approach for studying MSD in higher dimensions. We use it to investigate the features of a qutrit MSD protocol based on the 5-qutrit stabilizer code. We show that this protocol distills non-stabilizer magic states, and identify two types of states, that are attractors of this iteration map. Finally, we show how these states may be converted, via stabilizer circuits alone, into a state suitable for state injected implementation ...

  7. Shell middle distillate hydrogenation process

    SciTech Connect (OSTI)

    Lucien, J.P. [Companie Rhenane de Raffinage Reichstett, Reichstett Vendenheim (France); Berg, J.P. van den; Hooijdonk, H.M.J.H. van; Thielemans, G.L.B. [Shell Internationale Petroleum Mij., The Hague (Netherlands); Germaine, G. [Shell Recherche SA, Grand-Couronne (France); Gjers, M. [Shell Raffinaderi AB, Gothenburg (Sweden)

    1994-12-31T23:59:59.000Z

    The strive towards cleaner environment has lead to low sulfur specifications for middle distillate fuels. In addition compositional specifications are presently debated. Thus, to meet future emissions standards regarding, specifically, particulates emissions, the motor industry calls for improved automotive gasoil quality. Although automotive gasoil quality affects emissions from diesel engines it is considered less influential than engine design and maintenance. Sulfur, density and cetane number are the fuel properties having the greatest influence on diesel engine emissions although also aromatics and endpoint specifications have been defined in environmentally adopted government initiatives. This paper reviews the options which are available to tackle these new requirements. The high severity single stage concept (using conventional mixed sulfides catalysts) will be discussed in its potential to meet more severe product requirements as well as in terms of its limitations, especially at the point of aromatics saturation and cetaine upgrading. Furthermore, it is shown that the option of severe hydrotreating followed by hydrogenation with conventional noble metal catalysts is preferred if deep aromatics saturation is aimed at. However, this conventional two stage concept has limitations with respect to heaviness and sulfur and nitrogen content of feedstocks. The new Shell Middle Distillate Hydrogenation (SMDH) technology, applying a (semi) two stage approach based on the Shell developed hydrogenation catalyst is presented. The SMDH process will be discussed in its potential to break the limitations of the conventional options. The new catalyst is crucial in this process and allows a highly integrated mode of operation. A number of applications of this novel process will be discussed.

  8. Topological Quantum Distillation

    E-Print Network [OSTI]

    H. Bombin; M. A. Martin-Delgado

    2007-03-29T23:59:59.000Z

    We construct a class of topological quantum codes to perform quantum entanglement distillation. These codes implement the whole Clifford group of unitary operations in a fully topological manner and without selective addressing of qubits. This allows us to extend their application also to quantum teleportation, dense coding and computation with magic states.

  9. Low Energy Distillation Schemes

    E-Print Network [OSTI]

    Polley, G. T.

    of reducing energy consumption. We look at how the better integrated distillation schemes can be quickly identified. It is found that the design of integrated schemes is quicker than that of non-integrated schemes. We then look at how the use of heat pumps...

  10. Heteroazeotropic Batch Distillation Feasibility and Operation

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Heteroazeotropic Batch Distillation Feasibility and Operation by Efstathios Skouras and distillation is the dominating unit operation for such separations. However, the presence of azeotropes and non distillation as the best suited process. Among, various techniques to enhance distillation, heterogeneous

  11. Fuel switching from wood to LPG can benefit the environment

    SciTech Connect (OSTI)

    Nautiyal, Sunil [Leibniz-Centre for Agricultural Landscape Research (ZALF), Institute of Socioeconomics, Eberswalder Str. 84, 15374 Muencheberg (Germany)], E-mail: sunil.nautiyal@zalf.de; Kaechele, Harald [Leibniz-Centre for Agricultural Landscape Research (ZALF), Institute of Socioeconomics, Eberswalder Str. 84, 15374 Muencheberg (Germany)

    2008-11-15T23:59:59.000Z

    The Himalaya in India is one of the world's biodiversity hotspots. Various scientific studies have reported and proven that many factors are responsible for the tremendous decline of the Himalayan forests. Extraction of wood biomass from the forests for fuel is one of the factors, as rural households rely entirely on this for their domestic energy. Efforts continue for both conservation and development of the Himalayan forests and landscape. It has been reported that people are still looking for more viable solutions that could help them to improve their lifestyle as well as facilitate ecosystem conservation and preservation of existing biodiversity. In this direction, we have documented the potential of the introduction of liquefied petroleum gas (LPG), which is one of the solutions that have been offered to the local people as a substitute for woodfuel to help meet their domestic energy demand. The results of the current study found dramatic change in per capita woodfuel consumption in the last two decades in the villages where people are using LPG. The outcome showed that woodfuel consumption had been about 475 kg per capita per year in the region, but after introduction of LPG, this was reduced to 285 kg per capita per year in 1990-1995, and was further reduced to 46 kg per capita per year in 2000-2005. Besides improving the living conditions of the local people, this transformation has had great environmental consequences. Empirical evidence shows that this new paradigm shift is having positive external effects on the surrounding forests. Consequently, we have observed a high density of tree saplings and seedlings in adjacent forests, which serves as an assessment indicator of forest health. With the help of the current study, we propose that when thinking about a top-down approach to conservation, better solutions, which are often ignored, should be offered to local people.

  12. Renormalising entanglement distillation

    E-Print Network [OSTI]

    Stephan Waeldchen; Janina Gertis; Earl T. Campbell; Jens Eisert

    2015-03-16T23:59:59.000Z

    Entanglement distillation refers to the task of transforming a collection of weakly entangled pairs into fewer highly entangled ones. It is a core ingredient in quantum repeater protocols, needed to transmit entanglement over arbitrary distances in order to realise quantum key distribution schemes. Usually, it is assumed that the initial entangled pairs are i.i.d. distributed and uncorrelated with each other, an assumption that might not be reasonable at all in any entanglement generation process involving memory channels. Here, we introduce a framework that captures entanglement distillation in the presence of natural correlations arising from memory channels. Conceptually, we bring together ideas from condensed-matter physics - that of renormalisation and of matrix-product states and operators - with those of local entanglement manipulation, Markov chain mixing, and quantum error correction. We identify meaningful parameter regions for which we prove convergence to maximally entangled states, arising as the fixed points of a matrix-product operator renormalisation flow.

  13. Reflux for multifeed distillation

    SciTech Connect (OSTI)

    Chou, S.M.; Yaws, C.L.

    1986-12-01T23:59:59.000Z

    Prior investigations have shown ways to determine minimum reflux for multicomponent distillation. This work extends earlier concepts in order to handle multifeeds. Reflux calculations for each feed, as though it were the only feed, are factored with the reflux effects of the other feeds to give an overall minimum reflux. Each factor has a finite value depending on the composition and thermal quality of the feed it represents.

  14. Intermediate Vapor Expansion Distillation and Nested Enrichment Cascade Distillation

    E-Print Network [OSTI]

    Erickson, D. C.

    INTERMEDIATE VAPOR EXPANSION DISTILLATION AND NESTED ENRICHMENT CASCADE DISTILLATION D.. C. Erickson Energy Concepts Company Annapolis, Maryland ABSTRACT Although it is known that incorporating an intermediate reboiler or reflux... condenser in a distillation ~olumn will improve column efficiency by 15 to 100%, there has been little use of this technique to date." Intermediate vapor compression heat pumping was recently introduced as one practical means of achieving this benefit...

  15. Evaluation of aftermarket LPG conversion kits in light-duty vehicle applications. Final report

    SciTech Connect (OSTI)

    Bass, E.A. [Southwest Research Inst., San Antonio, TX (US)] [Southwest Research Inst., San Antonio, TX (US)

    1993-06-01T23:59:59.000Z

    SwRI was contracted by NREL to evaluate three LPG conversion kits on a Chevrolet Lumina. The objective of the project was to measure the Federal Test Procedure (FTP) emissions and fuel economy of these kits, and compare their performance to gasoline-fueled operation and to each other. Varying LPG fuel blends allowed a preliminary look at the potential for fuel system disturbance. The project required kit installation and adjustment according to manufacturer`s instructions. A limited amount of trouble diagnosis was also performed on the fuel systems. A simultaneous contract from the Texas Railroad Commission, in cooperation with NREL, provided funds for additional testing with market fuels (HD5 propane and industry average gasoline) and hydrocarbon (HC) emissions speciation to determine the ozone-forming potential of LPG HC emissions. This report documents the procurement, installation, and testing of these LPG conversion kits.

  16. Influence of H{sub 2}O{sub 2} on LPG fuel performance evaluation

    SciTech Connect (OSTI)

    Khan, Muhammad Saad, E-mail: iqbalmouj@gmail.com; Ahmed, Iqbal, E-mail: iqbalmouj@gmail.com; Mutalib, Mohammad Ibrahim bin Abdul, E-mail: iqbalmouj@gmail.com; Nadeem, Saad, E-mail: iqbalmouj@gmail.com; Ali, Shahid, E-mail: iqbalmouj@gmail.com [Department of Chemical Engineering, Faculty of Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, 31750 Tronoh, Perak (Malaysia)

    2014-10-24T23:59:59.000Z

    The objective of this mode of combustion is to insertion of hydrogen peroxide (H{sub 2}O{sub 2}) to the Liquefied Petroleum Gas (LPG) combustion on spark plug ignition engines. The addition of hydrogen peroxide may probably decrease the formation of NO{sub x}, CO{sub x} and unburned hydrocarbons. Hypothetically, Studies have shown that addition of hydrogen peroxide to examine the performance of LPG/H{sub 2}O{sub 2} mixture in numerous volumetric compositions starting from lean LPG until obtaining a better composition can reduce the LPG fuel consumption. The theory behind this idea is that, the addition of H{sub 2}O{sub 2} can cover the lean operation limit, increase the lean burn ability, diminution the burn duration along with controlling the exhaust emission by significantly reducing the greenhouse gaseous.

  17. TOTAL REFLUX OPERATION OF MULTIVESSEL BATCH DISTILLATION

    E-Print Network [OSTI]

    Skogestad, Sigurd

    TOTAL REFLUX OPERATION OF MULTIVESSEL BATCH DISTILLATION BERND WITTGENS, RAJAB LITTO, EVA SØRENSEN in this paper provides a generalization of previously proposed batch distillation schemes. A simple feedback been built and the experiments verify the simulations. INTRODUCTION Although batch distillation

  18. Minimum Energy Diagrams for Multieffect Distillation Arrangements

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Minimum Energy Diagrams for Multieffect Distillation Arrangements Hilde K. Engelien and Sigurd distillation arrangements for separating a ternary mixture have been considered. The focus is on a heat-integrated complex distillation configuration, called a multieffect prefractionator arrangement. The comparison

  19. Multivessel Batch Distillation Potential Energy Savings

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Multivessel Batch Distillation ­ Potential Energy Savings Bernd Wittgens and Sigurd Skogestad 1, Norway ABSTRACT ­ A conventional batch distillation column operated under feedback control applying the proposed policy is compared to the multivessel batch distillation column. In some cases we found

  20. Multivessel Batch Distillation -Potential Energy Savings

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Multivessel Batch Distillation - Potential Energy Savings Bernd Wittgens and Sigurd Skogestad 1, Norway ABSTRACT - A conventional batch distillation column operated under feedback control applying the proposed policy is compared to the multivessel batch distillation column. In some cases we found

  1. New Design Methods And Algorithms For High Energy-Efficient And Low-cost Distillation Processes

    SciTech Connect (OSTI)

    Agrawal, Rakesh

    2013-11-21T23:59:59.000Z

    This project sought and successfully answered two big challenges facing the creation of low-energy, cost-effective, zeotropic multi-component distillation processes: first, identification of an efficient search space that includes all the useful distillation configurations and no undesired configurations; second, development of an algorithm to search the space efficiently and generate an array of low-energy options for industrial multi-component mixtures. Such mixtures are found in large-scale chemical and petroleum plants. Commercialization of our results was addressed by building a user interface allowing practical application of our methods for industrial problems by anyone with basic knowledge of distillation for a given problem. We also provided our algorithm to a major U.S. Chemical Company for use by the practitioners. The successful execution of this program has provided methods and algorithms at the disposal of process engineers to readily generate low-energy solutions for a large class of multicomponent distillation problems in a typical chemical and petrochemical plant. In a petrochemical complex, the distillation trains within crude oil processing, hydrotreating units containing alkylation, isomerization, reformer, LPG (liquefied petroleum gas) and NGL (natural gas liquids) processing units can benefit from our results. Effluents from naphtha crackers and ethane-propane crackers typically contain mixtures of methane, ethylene, ethane, propylene, propane, butane and heavier hydrocarbons. We have shown that our systematic search method with a more complete search space, along with the optimization algorithm, has a potential to yield low-energy distillation configurations for all such applications with energy savings up to 50%.

  2. "Table A10. Total Consumption of LPG, Distillate Fuel Oil, and Residual Fuel"

    U.S. Energy Information Administration (EIA) 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghuraji Agro IndustriesTownDells,1Stocksa. AppliancesTotal" "(Data1.30. Total Consumption of

  3. "Table A2. Total Consumption of LPG, Distillate Fuel Oil, and Residual Fuel"

    U.S. Energy Information Administration (EIA) 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere IRaghuraji Agro IndustriesTownDells,1Stocksa. AppliancesTotal" "(Data1.30. Total6. Components.

  4. Optimal Control of Distillation Systems

    E-Print Network [OSTI]

    Chatterjee, N.; Suchdeo, S. R.

    1984-01-01T23:59:59.000Z

    The optimum performance of a distillation system can be evaluated by examining the product purities, the product recoveries, and the system's capability to respond to small or large, expected or unexpected, plant disturbances. An optimal control...

  5. EXPERIMENTAL SIMULATION OF DISTILLATION COLUMN PROFILE MAPS

    E-Print Network [OSTI]

    Skogestad, Sigurd

    EXPERIMENTAL SIMULATION OF DISTILLATION COLUMN PROFILE MAPS Tshepo Sehole David Modise A thesis or in combination, such as distillation, extraction, crystallization, ect. Among these, distillation is by far profiles for the preliminary design of distillation columns. Residue curves and column profile are not only

  6. Momentive Performance Materials Distillation Intercharger

    E-Print Network [OSTI]

    Boucher, N.; Baisley, T.; Beers, C.; Cameron, R.; Holman, K.; Kotkoskie, T.; Norris, K.

    2013-01-01T23:59:59.000Z

    Care? Energy Efficiency Program Momentive Performance Materials Distillation Interchanger ESL-IE-13-05-20 Proceedings of the Thrity-Fifth Industrial Energy Technology Conference New Orleans, LA. May 21-24, 2013 Copyright 2013 Momentive Performance... Materials Inc. All rights reserved. CONFIDENTIAL IETC Energy Efficiency Award Winner Distillation Interchanger ? Waterford, NY Agenda ? Momentive Overview ? Waterford, NY Site Overview ? Project Overview ? Project Timeline ? NYSERDA ? Project Team...

  7. Distillation process using microchannel technology

    DOE Patents [OSTI]

    Tonkovich, Anna Lee (Dublin, OH); Simmons, Wayne W. (Dublin, OH); Silva, Laura J. (Dublin, OH); Qiu, Dongming (Carbondale, IL); Perry, Steven T. (Galloway, OH); Yuschak, Thomas (Dublin, OH); Hickey, Thomas P. (Dublin, OH); Arora, Ravi (Dublin, OH); Smith, Amanda (Galloway, OH); Litt, Robert Dwayne (Westerville, OH); Neagle, Paul (Westerville, OH)

    2009-11-03T23:59:59.000Z

    The disclosed invention relates to a distillation process for separating two or more components having different volatilities from a liquid mixture containing the components. The process employs microchannel technology for effecting the distillation and is particularly suitable for conducting difficult separations, such as the separation of ethane from ethylene, wherein the individual components are characterized by having volatilities that are very close to one another.

  8. Quantum universality by state distillation

    E-Print Network [OSTI]

    Ben W. Reichardt

    2009-07-13T23:59:59.000Z

    Quantum universality can be achieved using classically controlled stabilizer operations and repeated preparation of certain ancilla states. Which ancilla states suffice for universality? This "magic states distillation" question is closely related to quantum fault tolerance. Lower bounds on the noise tolerable on the ancilla help give lower bounds on the tolerable noise rate threshold for fault-tolerant computation. Upper bounds show the limits of threshold upper-bound arguments based on the Gottesman-Knill theorem. We extend the range of single-qubit mixed states that are known to give universality, by using a simple parity-checking operation. For applications to proving threshold lower bounds, certain practical stability characteristics are often required, and we also show a stable distillation procedure. No distillation upper bounds are known beyond those given by the Gottesman-Knill theorem. One might ask whether distillation upper bounds reduce to upper bounds for single-qubit ancilla states. For multi-qubit pure states and previously considered two-qubit ancilla states, the answer is yes. However, we exhibit two-qubit mixed states that are not mixtures of stabilizer states, but for which every postselected stabilizer reduction from two qubits to one outputs a mixture of stabilizer states. Distilling such states would require true multi-qubit state distillation methods.

  9. Distillation Column Flooding Predictor

    SciTech Connect (OSTI)

    George E. Dzyacky

    2010-11-23T23:59:59.000Z

    The Flooding Predictor™ is a patented advanced control technology proven in research at the Separations Research Program, University of Texas at Austin, to increase distillation column throughput by over 6%, while also increasing energy efficiency by 10%. The research was conducted under a U. S. Department of Energy Cooperative Agreement awarded to George Dzyacky of 2ndpoint, LLC. The Flooding Predictor™ works by detecting the incipient flood point and controlling the column closer to its actual hydraulic limit than historical practices have allowed. Further, the technology uses existing column instrumentation, meaning no additional refining infrastructure is required. Refiners often push distillation columns to maximize throughput, improve separation, or simply to achieve day-to-day optimization. Attempting to achieve such operating objectives is a tricky undertaking that can result in flooding. Operators and advanced control strategies alike rely on the conventional use of delta-pressure instrumentation to approximate the column’s approach to flood. But column delta-pressure is more an inference of the column’s approach to flood than it is an actual measurement of it. As a consequence, delta pressure limits are established conservatively in order to operate in a regime where the column is never expected to flood. As a result, there is much “left on the table” when operating in such a regime, i.e. the capacity difference between controlling the column to an upper delta-pressure limit and controlling it to the actual hydraulic limit. The Flooding Predictor™, an innovative pattern recognition technology, controls columns at their actual hydraulic limit, which research shows leads to a throughput increase of over 6%. Controlling closer to the hydraulic limit also permits operation in a sweet spot of increased energy-efficiency. In this region of increased column loading, the Flooding Predictor is able to exploit the benefits of higher liquid/vapor traffic that produce increased contact area and lead to substantial increases in separation efficiency – which translates to a 10% increase in energy efficiency on a BTU/bbl basis. The Flooding Predictor™ operates on the principle that between five to sixty minutes in advance of a flooding event, certain column variables experience an oscillation, a pre-flood pattern. The pattern recognition system of the Flooding Predictor™ utilizes the mathematical first derivative of certain column variables to identify the column’s pre-flood pattern(s). This pattern is a very brief, highly repeatable, simultaneous movement among the derivative values of certain column variables. While all column variables experience negligible random noise generated from the natural frequency of the process, subtle pre-flood patterns are revealed among sub-sets of the derivative values of column variables as the column approaches its hydraulic limit. The sub-set of column variables that comprise the pre-flood pattern is identified empirically through in a two-step process. First, 2ndpoint’s proprietary off-line analysis tool is used to mine historical data for pre-flood patterns. Second, the column is flood-tested to fine-tune the pattern recognition for commissioning. Then the Flooding Predictor™ is implemented as closed-loop advanced control strategy on the plant’s distributed control system (DCS), thus automating control of the column at its hydraulic limit.

  10. Entanglement distillation using particle statistics

    E-Print Network [OSTI]

    H. L. Huang; L. H. Cheng; X. X. Yi

    2005-10-25T23:59:59.000Z

    We extend the idea of entanglement concentration for pure states(Phys. Rev. Lett. {\\bf 88}, 187903) to the case of mixed states. The scheme works only with particle statistics and local operations, without the need of any other interactions. We show that the maximally entangled state can be distilled out when the initial state is pure, otherwise the entanglement of the final state is less than one. The distillation efficiency is a product of the diagonal elements of the initial state, it takes the maximum 50%, the same as the case for pure states.

  11. Distilling entanglement from arbitrary resources

    E-Print Network [OSTI]

    Francesco Buscemi; Nilanjana Datta

    2010-10-15T23:59:59.000Z

    We obtain the general formula for the optimal rate at which singlets can be distilled from any given noisy and arbitrarily correlated entanglement resource, by means of local operations and classical communication (LOCC). Our formula, obtained by employing the quantum information spectrum method, reduces to that derived by Devetak and Winter, in the special case of an i.i.d. resource. The proofs rely on a one-shot version of the so-called "hashing bound," which in turn provides bounds on the one-shot distillable entanglement under general LOCC.

  12. Entanglement distillation by extendible maps

    E-Print Network [OSTI]

    Lukasz Pankowski; Fernando G. S. L. Brandao; Michal Horodecki; Graeme Smith

    2013-08-25T23:59:59.000Z

    It is known that from entangled states that have positive partial transpose it is not possible to distill maximally entangled states by local operations and classical communication (LOCC). A long-standing open question is whether maximally entangled states can be distilled from every state with a non-positive partial transpose. In this paper we study a possible approach to the question consisting of enlarging the class of operations allowed. Namely, instead of LOCC operations we consider k-extendible operations, defined as maps whose Choi-Jamiolkowski state is k-extendible. We find that this class is unexpectedly powerful - e.g. it is capable of distilling EPR pairs even from product states. We also perform numerical studies of distillation of Werner states by those maps, which show that if we raise the extension index k simultaneously with the number of copies of the state, then the class of k-extendible operations is not that powerful anymore and provide a better approximation to the set of LOCC operations.

  13. Corrosion inhibition for distillation apparatus

    DOE Patents [OSTI]

    Baumert, Kenneth L. (Emmaus, PA); Sagues, Alberto A. (Lexington, KY); Davis, Burtron H. (Georgetown, KY); Schweighardt, Frank K. (Upper Macungie, PA)

    1985-01-01T23:59:59.000Z

    Tower material corrosion in an atmospheric or sub-atmospheric distillation tower in a coal liquefaction process is reduced or eliminated by subjecting chloride-containing tray contents to an appropriate ion-exchange resin to remove chloride from such tray contents materials.

  14. Process Svstems Enaineerina Instability of Distillation Columns

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Process Svstems Enaineerina , Instability of Distillation Columns Elling W. Jacobsen and Sigurd recognized, distillation columns, operating with reflux and boilup as independent inputs, may have The dynamic behavior of distillation columns has been stud- ied quite extensively over the past decades

  15. POTENTIAL ENERGY SAVINGS OF MULTIVESSEL BATCH DISTILLATION

    E-Print Network [OSTI]

    Skogestad, Sigurd

    POTENTIAL ENERGY SAVINGS OF MULTIVESSEL BATCH DISTILLATION Bernd Wittgens and Sigurd Skogestad 1, Norway ABSTRACT ­ A conventional batch distillation column operated under feedback control applying the proposed policy is compared to the multivessel batch distillation column. In some cases we found

  16. POTENTIAL ENERGY SAVINGS OF MULTIVESSEL BATCH DISTILLATION

    E-Print Network [OSTI]

    Skogestad, Sigurd

    POTENTIAL ENERGY SAVINGS OF MULTIVESSEL BATCH DISTILLATION Bernd Wittgens and Sigurd Skogestad 1, Norway ABSTRACT - A conventional batch distillation column operated under feedback control applying the proposed policy is compared to the multivessel batch distillation column. In some cases we found

  17. Optimal distillation using thermodynamic geometry Bjarne Andresen

    E-Print Network [OSTI]

    Salamon, Peter

    Optimal distillation using thermodynamic geometry Bjarne Andresen Ørsted Laboratory, University of a distillation column may be improved by permitting heat exchange on every tray rather than only in the reboiler (temperature, pressure, etc.) define successive states in a sequence of equilibria. Fractional distillation [2

  18. Analysis and Control of Heteroazeotropic Batch Distillation

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Analysis and Control of Heteroazeotropic Batch Distillation S. Skouras and S. Skogestad Dept.interscience.wiley.com). The separation of close-boiling and azeotropic mixtures by heterogeneous azeotropic distillation is addressed. The results show that heteroazeotropic batch distillation exhibits substantial flexibility. The column profile

  19. Experimental entanglement distillation of mesoscopic quantum states

    E-Print Network [OSTI]

    Loss, Daniel

    LETTERS Experimental entanglement distillation of mesoscopic quantum states RUIFANG DONG1 , MIKAEL, entanglement distillation, a process of extracting a small set of highly entangled states from a large set of less entangled states, can be used4­14 . Here we report on the distillation of deterministically

  20. TOTAL REFLUX OPERATION OF MULTIVESSEL BATCH DISTILLATION

    E-Print Network [OSTI]

    Skogestad, Sigurd

    TOTAL REFLUX OPERATION OF MULTIVESSEL BATCH DISTILLATION BERND WITTGENS, RAJAB LITTO, EVA S RENSEN a generalization of previously proposed batch distillation schemes. A simple feedback control strategy for total re verify the simulations. INTRODUCTION Although batch distillation generally is less energy e cient than

  1. Technical evaluation and assessment of CNG/LPG bi-fuel and flex-fuel vehicle viability

    SciTech Connect (OSTI)

    Sinor, J E [Sinor (J.E.) Consultants, Inc., Niwot, CO (United States)

    1994-05-01T23:59:59.000Z

    This report compares vehicles using compressed natural gas (CNG), liquefied petroleum gas (LPG), and combinations of the two in bi-fuel or flex-fuel configurations. Evidence shows that environmental and energy advantages can be gained by replacing two-fuel CNG/gasoline vehicles with two-fuel or flex-fuel systems to be economically competitive, it is necessary to develop a universal CNG/LPG pressure-regulator-injector and engine control module to switch from one tank to the other. For flex-fuel CNG/LPG designs, appropriate composition sensors, refueling pumps, fuel tanks, and vaporizers are necessary.

  2. Converting LPG caverns to natural-gas storage permits fast response to market

    SciTech Connect (OSTI)

    Crossley, N.G. [TransGas Ltd., Regina, Saskatchewan (Canada)

    1996-02-19T23:59:59.000Z

    Deregulation of Canada`s natural-gas industry in the late 1980s led to a very competitive North American natural-gas storage market. TransGas Ltd., Regina, Sask., began looking for method for developing cost-effective storage while at the same time responding to new market-development opportunities and incentives. Conversion of existing LPG-storage salt caverns to natural-gas storage is one method of providing new storage. To supply SaskEnergy Inc., the province`s local distribution company, and Saskatchewan customers, TransGas previously had developed solution-mined salt storage caverns from start to finish. Two Regina North case histories illustrate TransGas` experiences with conversion of LPG salt caverns to gas storage. This paper provides the testing procedures for the various caverns, cross-sectional diagrams of each cavern, and outlines for cavern conversion. It also lists storage capacities of these caverns.

  3. LIQUID PROPANE GAS (LPG) STORAGE AREA BOILING LIQUID EXPANDING VAPOR EXPLOSION (BLEVE) ANALYSIS

    SciTech Connect (OSTI)

    PACE, M.E.

    2004-01-13T23:59:59.000Z

    The PHA and the FHAs for the SWOC MDSA (HNF-14741) identified multiple accident scenarios in which vehicles powered by flammable gases (e.g., propane), or combustible or flammable liquids (e.g., gasoline, LPG) are involved in accidents that result in an unconfined vapor cloud explosion (UVCE) or in a boiling liquid expanding vapor explosion (BLEVE), respectively. These accident scenarios are binned in the Bridge document as FIR-9 scenarios. They are postulated to occur in any of the MDSA facilities. The LPG storage area will be in the southeast corner of CWC that is relatively remote from store distaged MAR. The location is approximately 30 feet south of MO-289 and 250 feet east of 2401-W by CWC Gate 10 in a large staging area for unused pallets and equipment.

  4. 36556,"AECTRA REFG & MKTG",1,152,"MOTOR GAS, OTHER FINISHED"...

    U.S. Energy Information Administration (EIA) Indexed Site

    556,"AECTRA REFG & MKTG",1,152,"MOTOR GAS, OTHER FINISHED",1803,"JACKSONVILLE, FL","FLORIDA",1,940,"VENEZUELA",230,0,0 36556,"AECTRA REFG & MKTG",2,461,"DISTILLATE, < 0.05% SUL...

  5. Distillation of Bell states in open systems

    E-Print Network [OSTI]

    E. Isasi; D. Mundarain

    2009-08-14T23:59:59.000Z

    In this work we review the entire classification of 2x2 distillable states for protocols with a finite numbers of copies. We show a distillation protocol that allows to distill Bell states with non zero probability at any time for an initial singlet in vacuum. It is shown that the same protocol used in non zero thermal baths yields a considerable recovering of entanglement.

  6. Heat Exchanger Technologies for Distillation Columns

    E-Print Network [OSTI]

    Polley, G. T.

    Heat Exchanger Technologies for Distillation Columns G.T.Polley Pinchtechnology.com In this paper we look at the challenges that improvements in energy efficiency of distillation systems presents the heat exchanger designer. We examine... condensate sub-cooling. So, if this condensate subsequently requires re-heating both energy and capital have been wasted. If the condensate forms a feed to another distillation column it results in increased energy consumption if that separation...

  7. Reducing Energy Usage in Extractive Distillation

    E-Print Network [OSTI]

    Saxena, A. C.; Bhandari, V. A.

    , .. ~ REDUCING ENERGY USAGE IN,EXTRACTIVE DISTILLATION A. C. Saxena V. A. Bhandari Polysar Limited Sarnia, Ontario, Canada Abstract Butadiene 1:3 is separated from other C. hydrocarbons by extractive distillation in a sieve plate tower.... To improve the energy efficiency, butadiene recovery and productivity of the extractive distillation process, many process changes have been made. Their rationale, the methodology used to implement the various changes, and how they affected the process...

  8. Entanglement distillation from quasifree Fermions

    E-Print Network [OSTI]

    Zoltan Kadar; Michael Keyl; Dirk Schlingemann

    2011-03-24T23:59:59.000Z

    We develop a scheme to distill entanglement from bipartite Fermionic systems in an arbitrary quasifree state. It can be applied if either one system containing infinite one-copy entanglement is available or if an arbitrary amount of equally prepared systems can be used. We show that the efficiency of the proposed scheme is in general very good and in some cases even optimal. Furthermore we apply it to Fermions hopping on an infinite lattice and demonstrate in this context that an efficient numerical analysis is possible for more then 10^6 lattice sites.

  9. CLOSED OPERATION OF MULTIVESSEL BATCH DISTILLATION -EXPERIMENTAL VERIFICATION

    E-Print Network [OSTI]

    Skogestad, Sigurd

    1 CLOSED OPERATION OF MULTIVESSEL BATCH DISTILLATION - EXPERIMENTAL VERIFICATION Submitted to AICheÆcient operation, multicomponent distillation, batch distillation, total re ux operation ABSTRACT. The multivessel batch distillation column, as well as conven- tional batch distillation, may be operated in a closed

  10. Locally Accessible Information and Distillation of Entanglement

    E-Print Network [OSTI]

    Sibasish Ghosh; Pramod Joag; Guruprasad Kar; Samir Kunkri; Anirban Roy

    2004-03-18T23:59:59.000Z

    A new type of complementary relation is found between locally accessible information and final average entanglement for given ensemble. It is also shown that in some well known distillation protocol, this complementary relation is optimally satisfied. We discuss the interesting trade-off between locally accessible information and distillable entanglement for some states.

  11. Rigorous Synthesis and Simulation of Complex Distillation Networks

    E-Print Network [OSTI]

    Linninger, Andreas A.

    Rigorous Synthesis and Simulation of Complex Distillation Networks Gerardo J. Ruiz, Seon B. Kim energy-efficient distillation net- works. Complex column networks have substantial potential for energy column, networks, temperature collocation, inverse design, Aspen validation Introduction Distillation

  12. atmospheric crude distillation: Topics by E-print Network

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

    2 September 1999 Distillation Theory. by Ivar J. Halvorsen and Sigurd, Norway 12;2 DistillationTheory.fm 2 September 1999 Table of Contents Introduction . . . . ....

  13. acrobat distiller job: Topics by E-print Network

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

    2 September 1999 Distillation Theory. by Ivar J. Halvorsen and Sigurd, Norway 12;2 DistillationTheory.fm 2 September 1999 Table of Contents Introduction . . . . ....

  14. advanced distillation curve: Topics by E-print Network

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

    2 September 1999 Distillation Theory. by Ivar J. Halvorsen and Sigurd, Norway 12;2 DistillationTheory.fm 2 September 1999 Table of Contents Introduction . . . . ....

  15. Pressurized release of liquefied fuel gases (LNG and LPG). Topical report, May 1993-February 1996

    SciTech Connect (OSTI)

    Atallah, S.; Janardhan, A.

    1996-02-01T23:59:59.000Z

    This report is an important contribution to the behavior of pressurized liquefied gases when accidentally released into the atmosphere. LNG vehicle fueling stations and LPG storage facilities operate at elevated pressures. Accidental releases could result in rainout and the formation of an aerosol in the vapor cloud. These factors must be considered when estimating the extent of the hazard zone of the vapor cloud using a heavier-than-air gas dispersion model such as DEGADIS (or its Windows equivalent DEGATEC). The DOS program PREL has been incorporated in the Windows program LFGRISK.

  16. Distillation: Still towering over other options

    SciTech Connect (OSTI)

    Kunesh, J.G. [Fractionation Research, Inc., Stillwater, OK (United States); Kister, H.Z. [Brown and Root, Inc., Alhambra (Canada); Lockett, M.J. [Praxair, Inc., Tonawanda, NY (United States); Fair, J.R. [Univ. of Texas, Austin, TX (United States)

    1995-10-01T23:59:59.000Z

    Distillation dominates separations in the chemical process industries (CPI), at least for mixtures that normally are processed as liquids. The authors fully expect that distillation will continue to be the method of choice for many separations, and the method against which other options must be compared. So, in this article, they will put into some perspective just why distillation continues to reign as the king of separations, and what steps are being taken to improve its applicability and performance, as well as basic understanding of the technique.

  17. Evaluation of aftermarket fuel delivery systems for natural gas and LPG vehicles

    SciTech Connect (OSTI)

    Willson, B. [Colorado State Univ., Fort Collins, CO (United States)

    1992-09-01T23:59:59.000Z

    This study was designed to evaluate the effectiveness of aftermarket fuel delivery systems for vehicles fueled by compressed natural gas (CNG) and liquefied petroleum gas (LPG). Most of the CNG and LPG vehicles studied were converted to the alternative fuel after purchase. There are wide variations in the quality of the conversion hardware and the installation. This leads to questions about the overall quality of the converted vehicles, in terms of emissions, safety, and performance. There is a considerable body of emissions data for converted light-duty vehicles, and a smaller amount for medium- and heavy-duty vehicles. However, very few of these data involve real world conditions, and there is growing concern about in-use emissions. This report also attempts to assess factors that could allow in-use emissions to vary from the ``best-case`` results normally reported. The study also addresses issues of fuel supply, fuel composition, performance, safety, and warranty waivers. The report is based on an extensive literature and product survey and on the author`s experience with fuel delivery systems for light-duty vehicles.

  18. Evaluation of aftermarket fuel delivery systems for natural gas and LPG vehicles

    SciTech Connect (OSTI)

    Willson, B. (Colorado State Univ., Fort Collins, CO (United States))

    1992-09-01T23:59:59.000Z

    This study was designed to evaluate the effectiveness of aftermarket fuel delivery systems for vehicles fueled by compressed natural gas (CNG) and liquefied petroleum gas (LPG). Most of the CNG and LPG vehicles studied were converted to the alternative fuel after purchase. There are wide variations in the quality of the conversion hardware and the installation. This leads to questions about the overall quality of the converted vehicles, in terms of emissions, safety, and performance. There is a considerable body of emissions data for converted light-duty vehicles, and a smaller amount for medium- and heavy-duty vehicles. However, very few of these data involve real world conditions, and there is growing concern about in-use emissions. This report also attempts to assess factors that could allow in-use emissions to vary from the best-case'' results normally reported. The study also addresses issues of fuel supply, fuel composition, performance, safety, and warranty waivers. The report is based on an extensive literature and product survey and on the author's experience with fuel delivery systems for light-duty vehicles.

  19. Minimizing corrosion in coal liquid distillation

    DOE Patents [OSTI]

    Baumert, Kenneth L. (Emmaus, PA); Sagues, Alberto A. (Lexington, KY); Davis, Burtron H. (Georgetown, KY)

    1985-01-01T23:59:59.000Z

    In an atmospheric distillation tower of a coal liquefaction process, tower materials corrosion is reduced or eliminated by introduction of boiling point differentiated streams to boiling point differentiated tower regions.

  20. Nonlocality Distillation for High-Dimensional System

    E-Print Network [OSTI]

    Pan, Guo-Zhu; Chen, Zheng-Gen; Yang, Ming; Cao, Zhuo-Liang

    2012-01-01T23:59:59.000Z

    The intriguing and powerful capability of nonlocality in communication field ignites the research of the nonlocality distillation. The first protocol presented in Ref[Phys. Rev. Lett. 102, 120401] shows that the nonlocality of bipartite binary-input and binary-output nonsignaling correlated boxes could be amplified by 'wiring' two copies of weaker-nonlocality boxes. Several optimized distillation protocols were presented later for bipartite binary-input and binary-output nonsignaling correlated boxes. In this paper, we focus on the bipartite binary-input and multi-nary-output nonsignaling correlated boxes---high-dimensional boxes, and design comparators-based protocols to achieve the distillation of high-dimensional nonlocality. The results show that the high-dimensional nonlocality can be distilled in different ways, and we find that the efficiencies of the protocols are influenced not only by the wirings but also by the classes the initial nonlocality boxes belongs to. Here, the initial nonlcalities may hav...

  1. Intelligent fuzzy supervisory control for distillation columns

    E-Print Network [OSTI]

    Santhanam, Srinivasan

    1993-01-01T23:59:59.000Z

    problem. Multivariable design techniques are used to control the column. Some of the different multivariable techniques which have been used in the distillation column control include decoupling control, optimal control and internal model control [5...

  2. Advanced Distillation: Programs Proposed to DOE

    E-Print Network [OSTI]

    Woinsky, S. G.

    EPRI has provided proposal preparation assistance and offered cost share funding assistance for two projects proposed in 2000. EPRI is highly interested, since this technology is applicable in all distillation systems, and since it will increase...

  3. An improved model for multiple effect distillation

    E-Print Network [OSTI]

    Mistry, Karan H.

    Increasing global demand for fresh water is driving research and development of advanced desalination technologies. As a result, a detailed model of multiple effect distillation (MED) is developed that is flexible, simple ...

  4. Development of energy efficient membrane distillation systems

    E-Print Network [OSTI]

    Summers, Edward K

    2013-01-01T23:59:59.000Z

    Membrane distillation (MD) has shown potential as a means of desalination and water purification. As a thermally driven membrane technology which runs at relatively low pressure, which can withstand high salinity feed ...

  5. Absorptive Recycle of Distillation Waste Heat 

    E-Print Network [OSTI]

    Erickson, D. C.; Lutz, E. J., Jr.

    1982-01-01T23:59:59.000Z

    When the heat source available to a distillation process is at a significantly higher temperature than the reboiler temperature, there is unused availability (ability to perform work) in the heat supplied to the reboiler. Similarly, if the reflux...

  6. Complex Fluid Analysis with the Advanced Distillation Curve Approach

    E-Print Network [OSTI]

    Complex Fluid Analysis with the Advanced Distillation Curve Approach Thomas J. Bruno, Lisa S. Ott for measuring distillation curves reveals the physicochemical properties of complex fluids such as fuels distillation curves of complex fluids. The distillation curve provides the only practical avenue to assess

  7. On the Communication Complexity of Correlation and Entanglement Distillation

    E-Print Network [OSTI]

    On the Communication Complexity of Correlation and Entanglement Distillation Ke Yang May 4th, 2004 distillation, entanglement distillation, communication complexity, EPR pairs, quantum key distribution #12) information, and then engage in a protocol to \\distill" the correlation/entanglement via communication. We

  8. Blog Distillation via Sentiment-Sensitive Link Analysis

    E-Print Network [OSTI]

    Sebastiani, Fabrizio

    Blog Distillation via Sentiment-Sensitive Link Analysis Giacomo Berardi, Andrea Esuli, Fabrizio blog distillation by adding a link analysis phase to the standard retrieval-by-topicality phase, where in blog distillation. 1 Introduction Blog distillation is a subtask of blog search. It is defined

  9. Solar Ethanol Distillation Oara Neumann,1,3

    E-Print Network [OSTI]

    O-9 Solar Ethanol Distillation Oara Neumann,1,3 Albert D. Neumann,2 Julius Müller,1 of separation, particularly distillation. The 40,000 commercial distillation columns in use in the U. S. consume or product purity. Distillation is the critical energy-consuming step accounting for 70-85% of the energy

  10. MULTIVESSEL BATCH DISTILLATION 1 SIGURD SKOGESTAD 2 , BERND WITTGENS,

    E-Print Network [OSTI]

    Skogestad, Sigurd

    MULTIVESSEL BATCH DISTILLATION 1 SIGURD SKOGESTAD 2 , BERND WITTGENS, EVA SØRENSEN 3 and RAJAB distillation schemes. A simple feedback control strategy for the total reflux operation of a multivessel column distillation generally is less energy efficient than continuous distillation, it has received increased

  11. MULTIVESSEL BATCH DISTILLATION 1 SIGURD SKOGESTAD 2 , BERND WITTGENS,

    E-Print Network [OSTI]

    Skogestad, Sigurd

    MULTIVESSEL BATCH DISTILLATION 1 SIGURD SKOGESTAD 2 , BERND WITTGENS, EVA S RENSEN 3 and RAJAB distillation schemes. A simple feedback control strategy for the total re ux operation of a multivessel column distillation generally is less energy e cient than continuous distillation, it has received increased attention

  12. Multipartite secret key distillation and bound entanglement

    E-Print Network [OSTI]

    Remigiusz Augusiak; Pawel Horodecki

    2009-09-25T23:59:59.000Z

    Recently it has been shown that quantum cryptography beyond pure entanglement distillation is possible and a paradigm for the associated protocols has been established. Here we systematically generalize the whole paradigm to the multipartite scenario. We provide constructions of new classes of multipartite bound entangled states, i.e., those with underlying twisted GHZ structure and nonzero distillable cryptographic key. We quantitatively estimate the key from below with help of the privacy squeezing technique.

  13. Multipartite secret key distillation and bound entanglement

    SciTech Connect (OSTI)

    Augusiak, Remigiusz; Horodecki, Pawel [Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-952 Gdansk (Poland) and ICFO-Institute Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona) (Spain); Faculty of Applied Physics and Mathematics, Gdansk University of Technology, Narutowicza 11/12, 80-952 Gdansk (Poland)

    2009-10-15T23:59:59.000Z

    Recently it has been shown that quantum cryptography beyond pure entanglement distillation is possible and a paradigm for the associated protocols has been established. Here we systematically generalize the whole paradigm to the multipartite scenario. We provide constructions of new classes of multipartite bound entangled states, i.e., those with underlying twisted Greenberger-Horne-Zeilinger (GHZ) structure and nonzero distillable cryptographic key. We quantitatively estimate the key from below with the help of the privacy squeezing technique.

  14. Absorptive Recycle of Distillation Waste Heat

    E-Print Network [OSTI]

    Erickson, D. C.; Lutz, E. J., Jr.

    1982-01-01T23:59:59.000Z

    ABSORPTIVE RECYCLE OF DISTILLATION WASTE HEAT Donald C. Erickson and Edward J. Lutz Jr. Energy Concepts Company Annapolis, Maryland ABSTRACT When the heat source available to a distillation process is at a significantly higher temperature... which conserve 60 to 70%. Also, there are ver sions which incorporate separate low tem perature waste heat streams and thereby conserve over 90% of the required dis tillation energy. The main limitations of the R/AHP are the need for sufficient...

  15. Electric Motors

    Broader source: Energy.gov [DOE]

    Section 313 of the Energy Independence and Security Act (EISA) of 2007 raised Federal minimum efficiency standards for general-purpose, single-speed, polyphase induction motors of 1 to 500 horsepower (hp). This new standard took effect in December 2010. The new minimum efficiency levels match FEMP's performance requirement for these motors.

  16. Investigation on effects of surface morphologies on response of LPG sensor based on nanostructured copper ferrite system

    SciTech Connect (OSTI)

    Singh, Satyendra [Nanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, U.P. (India)] [Nanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, U.P. (India); Yadav, B.C., E-mail: balchandra_yadav@rediffmail.com [Nanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, U.P. (India); Department of Applied Physics, School for Physical Sciences, Babasaheb Bhimrao Ambedkar University, Lucknow 226025, U.P. (India); Gupta, V.D. [Nanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, U.P. (India)] [Nanomaterials and Sensors Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, U.P. (India); Dwivedi, Prabhat K. [DST Unit on Nanosciences, Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur, U.P. (India)] [DST Unit on Nanosciences, Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur, U.P. (India)

    2012-11-15T23:59:59.000Z

    Graphical abstract: Figure shows the variations in resistance with time for copper ferrite system synthesized in various molar ratio. A maximum variation in resistance was observed for copper ferrite prepared in 1:1 molar ratio. Highlights: ? Evaluation of structural, optical and surface morphologies. ? Significant variation in LPG sensing properties. ? Surface modification of ferric oxide pellet by copper ferrite. ? CuFe{sub 2}O{sub 4} pellets for LPG sensing at room temperature. -- Abstract: Synthesis of a copper ferrite system (CuFe{sub 2}O{sub 4}) via chemical co-precipitation method is characterized by X-ray diffraction, surface morphology (scanning electron microscope) and optical absorption spectroscopy. These characteristics show their dependence on the relative compositions of the two subsystems. They are further confirmed by the variation in the band gap. A study of gas sensing properties shows the spinel CuFe{sub 2}O{sub 4} synthesized in 1:1 molar ratio exhibit best response to LPG adsorption/resistance measurement. Thus resistance based LPG sensor is found robust, cheap and may be applied for kitchens and industrial applications.

  17. Local purity distillation with bounded classical communication

    E-Print Network [OSTI]

    Hari Krovi; Igor Devetak

    2007-05-28T23:59:59.000Z

    Local pure states are an important resource for quantum computing. The problem of distilling local pure states from mixed ones can be cast in an information theoretic paradigm. The bipartite version of this problem where local purity must be distilled from an arbitrary quantum state shared between two parties, Alice and Bob, is closely related to the problem of separating quantum and classical correlations in the state and in particular, to a measure of classical correlations called the one-way distillable common randomness. In Phys. Rev. A 71, 062303 (2005), the optimal rate of local purity distillation is derived when many copies of a bipartite quantum state are shared between Alice and Bob, and the parties are allowed unlimited use of a unidirectional dephasing channel. In the present paper, we extend this result to the setting in which the use of the channel is bounded. We demonstrate that in the case of a classical-quantum system, the expression for the local purity distilled is efficiently computable and provide examples with their tradeoff curves.

  18. Energy Saving in Distillation Using Structured Packing and Vapor Recompression

    E-Print Network [OSTI]

    Hill, J.H.

    "Distillation is a big consumer of energy in process plant operations. A first step to energy cost savings is the use of high efficiency structured packing in place of trays or dumped packings in conventionally operated distillation columns. Larger...

  19. Table 50. Prime Supplier Sales Volumes of Distillate Fuel Oils...

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    50. Prime Supplier Sales Volumes of Distillate Fuel Oils and Kerosene by PAD District and State (Thousand Gallons per Day) Geographic Area Month Kerosene No. 1 Distillate No. 2...

  20. Desalination Using Vapor-Compression Distillation

    E-Print Network [OSTI]

    Lubis, Mirna R.

    2010-07-14T23:59:59.000Z

    the outgoing salt concentration was 1.5% and 7%, respectively. Distillation was performed at 439 K (331oF) and 722 kPa (105 psia) for both brackish water feed and seawater feed. Water costs of the various conditions were calculated for brackish water...

  1. Distillation: Present Status and Future Directions

    E-Print Network [OSTI]

    Fair, J. R.; Humphrey, J. L.

    1984-01-01T23:59:59.000Z

    -pressure steam as a heat source. The steam has, very likely, been sent through one or more users (turbi ne dri ves) before reaching the distillation reboiler. It seems almost characteristic of large chemical and refining complexes that there is a chronic...

  2. Complex Distillation Arrangements : Extending the Petlyuk Ideas

    E-Print Network [OSTI]

    Skogestad, Sigurd

    to distillation columns ac- count for roughly 3 of the total energy consumption in the U.S. (Ognisty 1995 to reduce energy consumption at least two alternative approaches have been proposed both in the literature is also known as the Petlyuk column, due to a theoretical study of Pet- lyuk et al. (1965), or as a fully

  3. Forpeerreview Synthesis of Complex Thermally Coupled Distillation

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    consumption of 91 GW, or 54 million tons of crude oil. The distillation research is motivated by its major US energy consumption, which is equivalent to 2.87x10 18 J (2.87 million TJ) per year, or to a power

  4. Energy Conservation Options in Distillation Processes 

    E-Print Network [OSTI]

    Harris, G. E.; Hearn, W. R.; Blythe, G. M.; Stuart, J. M.

    1980-01-01T23:59:59.000Z

    I ENERGY CONSERVATION OPTIONS IN DISTILLATION PROCESSES G.E. Harris, W.R. Hearn, G.M. Blythe, and J.M. Stuart, Radian Corporation, Austin, Texas I This paper summarizes the results of a survey of energy conservation options applicable...

  5. Synthesis and design of optimal thermal membrane distillation networks 

    E-Print Network [OSTI]

    Nyapathi Seshu, Madhav

    2006-10-30T23:59:59.000Z

    of oil. An overview of Direct Contact Membrane Distillation (DCMD) reports the narrow range of applications of membrane distillation in the industry, such as desalination and water purification (Burgoyne and Vahdati, 2000; Cath et al., 2004). Gryta... crystalliser and air gap membrane distillation as a solution to geothermal water desalination. Desalination 152 (1-3), 237-244. Burgoyne, A, Vahdati, M.M. 2000. Direct contact membrane distillation.Separation Science and Technology 35 (8), 1257...

  6. Distilling one-qubit magic states into Toffoli states

    E-Print Network [OSTI]

    Bryan Eastin

    2013-02-21T23:59:59.000Z

    For certain quantum architectures and algorithms, most of the required resources are consumed during the distillation of one-qubit magic states for use in performing Toffoli gates. I show that the overhead for magic-state distillation can be reduced by merging distillation with the implementation of Toffoli gates. The resulting routine distills 8 one-qubit magic states directly to a Toffoli state, which can be used without further magic to perform a Toffoli gate.

  7. Nonresidential buildings energy consumption survey: 1979 consumption and expenditures. Part 2. Steam, fuel oil, LPG, and all fuels

    SciTech Connect (OSTI)

    Patinkin, L.

    1983-12-01T23:59:59.000Z

    This report presents data on square footage and on total energy consumption and expenditures for commercial buildings in the contiguous United States. Also included are detailed consumption and expenditures tables for fuel oil or kerosene, liquid petroleum gas (LPG), and purchased steam. Commercial buildings include all nonresidential buildings with the exception of those where industrial activities occupy more of the total square footage than any other type of activity. 7 figures, 23 tables.

  8. Integrated C3 Feedstock and Aggregated Distillation Model for

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    Polypropylene Propane return Reactor effluent Distillation Polymerization FeedTank Propylene (91%) Goal: Select rates Constraints on composition of Propane Return, Distillation Overhead & Reactor Feed Limits Distillation Model Relates overhead composition of propane with flowrate of propane feed to the splitter

  9. Asymptotic adaptive bipartite entanglement distillation protocol Erik Hostens,

    E-Print Network [OSTI]

    to infinity. We call such protocols asymp- totic and the fraction of distilled Bell states per initial copy#12;#12;Asymptotic adaptive bipartite entanglement distillation protocol Erik Hostens, Jeroen: July 13, 2006) We present a new asymptotic bipartite entanglement distillation protocol

  10. Optimal Control of a Continuous Distillation Process under Probabilistic Constraints

    E-Print Network [OSTI]

    Henrion, René

    Optimal Control of a Continuous Distillation Process under Probabilistic Constraints René Henrion1 Universität Berlin, Germany Abstract A continuous distillation process with random inflow rate is considered model including the dynamics of the distillation process and proba- bilistic constraints under different

  11. Bloggers as Experts Feed Distillation using Expert Retrieval Models

    E-Print Network [OSTI]

    de Rijke, Maarten

    Bloggers as Experts Feed Distillation using Expert Retrieval Models Krisztian Balog kbalog Kruislaan 403, 1098 SJ Amsterdam ABSTRACT We address the task of (blog) feed distillation: to find blogs- ness as feed distillation strategies. The two models capture the idea that a human will often search

  12. DYNAMICS AND CONTROL OF DISTILLATION COLUMNS A CRITICAL SURVEY

    E-Print Network [OSTI]

    Skogestad, Sigurd

    DYNAMICS AND CONTROL OF DISTILLATION COLUMNS ­ A CRITICAL SURVEY Sigurd Skogestad \\Lambda Chemical, Identification and Control, 18, 177­217, 1997. Abstract Distillation column dynamics and control has been viewed these, the feasibility of using the distillate­bottom structure for control (which was believed

  13. CHEM333: Experiment 4: Steam Distillation of Essential Oils;

    E-Print Network [OSTI]

    Taber, Douglass

    CHEM­333: Experiment 4: Steam Distillation of Essential Oils; Experiments A, C, D and below. Reading: For this experiment read Chapter 10. This week you will get to use steam distillation to isolate may wait until you come to lab to find out which spice you get. Steam distillation is not a common

  14. DYNAMICS AND CONTROL OF DISTILLATION COLUMNS -A CRITICAL SURVEY

    E-Print Network [OSTI]

    Skogestad, Sigurd

    DYNAMICS AND CONTROL OF DISTILLATION COLUMNS - A CRITICAL SURVEY Sigurd Skogestad Chemical cation and Control, 18, 177-217, 1997. Abstract Distillation column dynamics and control has been viewed, the feasibility of using the distillate-bottomstructure for control which was believed to be impossible

  15. Column Initialization 1 Initializing Distillation Column Models 1

    E-Print Network [OSTI]

    Dundee, University of

    Column Initialization 1 Initializing Distillation Column Models 1 Roger Fletcher \\Lambda with the optimisation of distillation column models by non­ linear programming are considered. The paper presents of the distillation column model. A certain limiting case of the column model is examined, that of infinite reflux

  16. Energy efficient distillation Ivar J. Halvorsen a,*, Sigurd Skogestad b

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Energy efficient distillation Ivar J. Halvorsen a,*, Sigurd Skogestad b a SINTEF ICT, Applied Keywords: Distillation Minimum energy Energy saving Dividing wall column Petlyuk arrangement Vmin-diagram a b s t r a c t Distillation is responsible for a significant amount of the energy consumption

  17. Many copies may be required for entanglement distillation John Watrous

    E-Print Network [OSTI]

    Watrous, John

    Many copies may be required for entanglement distillation John Watrous Department of Computer state shared between two parties is said to be distillable if, by means of a protocol involving only |+ = (|00 + |11 )/ 2. In this paper it is proved that there exist states that are distillable

  18. Active constraint regions for optimal operation of distillation columns

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Active constraint regions for optimal operation of distillation columns Magnus G. Jacobsen the control structure of distillation columns, with optimal operation in mind, it is important to know how for distillation columns change with variations in energy cost and feed flow rate. The production of the most

  19. Multiple copy distillation and purification of phase diffused squeezed states

    E-Print Network [OSTI]

    Petr Marek; Jaromir Fiurasek; Boris Hage; Alexander Franzen; James DiGugliemo; Roman Schnabel

    2007-11-16T23:59:59.000Z

    We provide a detailed theoretical analysis of multiple copy purification and distillation protocols for phase diffused squeezed states of light. The standard iterative distillation protocol is generalized to a collective purification of an arbitrary number of N copies. We also derive a semi-analytical expression for the asymptotic limit of the iterative distillation and purification protocol and discuss its properties.

  20. CHEM333: Lab Experiment 3: Distillation and Gas Chromatography

    E-Print Network [OSTI]

    Taber, Douglass

    CHEM­333: Lab Experiment 3: Distillation and Gas Chromatography: Prelab-Assignment: read Chapters 5 and 6. Distillation is one of the most powerful techniques for purifying volatile organic compounds. Distillation is used to isolate many of life's essentials such as gasoline from oil or brandy from wine

  1. Blog Distillation via Sentiment-Sensitive Link Analysis

    E-Print Network [OSTI]

    Sebastiani, Fabrizio

    Blog Distillation via Sentiment-Sensitive Link Analysis Giacomo Berardi, Andrea Esuli, Fabrizio report a new approach to blog distillation, defined as the task in which, given a user query, the system of the TREC Blog Track. 1 Introduction Blog distillation is a subtask of the blog search task. It is defined

  2. MULTIVESSEL BATCH DISTILLATION 1 SIGURD SKOGESTAD 2 , BERND WITTGENS,

    E-Print Network [OSTI]

    Skogestad, Sigurd

    MULTIVESSEL BATCH DISTILLATION 1 SIGURD SKOGESTAD 2 , BERND WITTGENS, EVA S RENSEN 3 and RAJAB distillation schemes, including the inverted column and the middle vessel column. The total re ux operation of the multivessel batch distillation column was presented recently, and the main contribution of this paper

  3. Analysis of Closed Multivessel Batch Distillation of Ternary Azeotropic Mixtures

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Analysis of Closed Multivessel Batch Distillation of Ternary Azeotropic Mixtures using Elementary) diagrams like distillation lines and isotherms maps may be used in analysis of the closed (total reflux) multivessel batch distillation column. An indirect level control strategy is implemented that eliminates

  4. Azeotropic Distillation as a Technique for Emulsion Size Reduction

    E-Print Network [OSTI]

    Petta, Jason

    Azeotropic Distillation as a Technique for Emulsion Size Reduction Taylor Emanuelle Sweet 2013 Prism/PCCM #12;Overview -Intro- What is Microfluidics? What is Heterogeneous Azeotropic Distillation microns in size and use Binary Heterogeneous Azeotropic Distillation to shrink droplets to 5-10 microns

  5. Model Predictive Control of a Kaibel Distillation Column

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Model Predictive Control of a Kaibel Distillation Column Martin Kvernland Ivar Halvorsen Sigurd (e-mail: skoge@ntnu.no) Abstract: This is a simulation study on controlling a Kaibel distillation column with model predictive control (MPC). A Kaibel distillation column has several advantages compared

  6. Multiple Steady States in Ideal Two-Product Distillation

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Multiple Steady States in Ideal Two-Product Distillation Elling W. Jacobsen and Sigurd Skogestad Chemical Engineering Dept., University of Trondheim-NTH, N-7034 Trondheim, Norway Simple distillation and compositions in the column. Introduction Multiple steady states (multiplicity) in distillation columns have

  7. Separation of Azeotropic Mixtures in Closed Batch Distillation Arrangements

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Separation of Azeotropic Mixtures in Closed Batch Distillation Arrangements S. Skouras and S, Norway SCOPE OF THE PROJECT ·How can we separate ternary mixtures in closed batch distillation-up period is required, followed by a heteroazeotropic distillation step (Figure 3) Modified: The separation

  8. Effect of Number of Fractionating Trays on Reactive Distillation Performance

    E-Print Network [OSTI]

    Al-Arfaj, Muhammad A.

    Effect of Number of Fractionating Trays on Reactive Distillation Performance Muhammad A. Al and rectifying sec- tions of a reacti®e distillation column can degrade performance. This effect, if true®e distillation columns cannot use conser®ati®e estimates of tray numbers, that is, we cannot simply add excess

  9. MULTIVESSEL BATCH DISTILLATION 1 SIGURD SKOGESTAD 2 , BERND WITTGENS,

    E-Print Network [OSTI]

    Skogestad, Sigurd

    MULTIVESSEL BATCH DISTILLATION 1 SIGURD SKOGESTAD 2 , BERND WITTGENS, EVA SØRENSEN 3 and RAJAB distillation schemes, including the inverted column and the middle vessel column. The total reflux operation of the multivessel batch distillation column was presented recently, and the main contribution of this paper

  10. RIS0-M-2319 RISK ANALYSIS OF A DISTILLATION UNIT

    E-Print Network [OSTI]

    RIS0-M-2319 RISK ANALYSIS OF A DISTILLATION UNIT J. R. Taylor**, 0. Hansen*, C. Jensen*, 0. F. A risk analysis of a batch distillation unit is de- scribed. The analysis has been carried out at several.2. Objectives and organisation 5 1.2.2. Philosophy and approach 6 1.3.1. The distillation unit 8 1

  11. Solar thermal powered desalination: membrane versus distillation technologies

    E-Print Network [OSTI]

    Solar thermal powered desalination: membrane versus distillation technologies G. Burgess and K Canberra ACT 0200 AUSTRALIA E-mail: greg.burgess@anu.edu.au Multiple Effect Distillation (MED) is generally assisted) desalination has been conducted. Solar thermal driven Multiple Effect Distillation (MED) has been

  12. Human versus Machine in the Topic Distillation Task Mingfang Wu

    E-Print Network [OSTI]

    Wu, Mingfang

    Human versus Machine in the Topic Distillation Task Mingfang Wu 1 , Gheorghe Muresan2 , Alistair Mc. The focus is on comparing humans and machine algorithms in terms of performance in a topic distillation task demonstrated that machines can perform nearly as well as people on the topic distillation task. Given a system

  13. Economically Optimal Control of Kaibel Distillation Column: Fixed boilup rate

    E-Print Network [OSTI]

    Skogestad, Sigurd

    : In this study, a control structure is designed for a 4-product dividing wall (Kaibel) distillation column, basedEconomically Optimal Control of Kaibel Distillation Column: Fixed boilup rate Maryam Ghadrdan distillation column; Vapour split manipulation; Self-optimizing control. 1. INTRODUCTION Thermally coupled

  14. Optimal Synthesis of Complex Distillation ColumnsUsing Rigorous Models

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    a review of recent work for the optimal design of distillation of individual columns using tray review of the area of optimal design and synthesis of distillation columns, emphasizing recentOptimal Synthesis of Complex Distillation ColumnsUsing Rigorous Models Ignacio E. Grossmann1 , Pío

  15. THE DOS AND DONTS OF DISTILLATION COLUMN CONTROL

    E-Print Network [OSTI]

    Skogestad, Sigurd

    THE DOS AND DON·TS OF DISTILLATION COLUMN CONTROL S. Skogestadà Department of Chemical Engineering distillation column control within the general framework of plant- wide control. In addition, it aims at providing simple recommendations to assist the engineer in designing control systems for distillation

  16. Premium Efficient Motors

    E-Print Network [OSTI]

    Moser, P. R.

    1984-01-01T23:59:59.000Z

    Premium efficient motors are available which convert electrical energy into mechanical energy with fewer losses than the more standard motors. The fewer losses in these motors are due to changes in the motor design and improved manufacturing methods...

  17. Secret key distillation from shielded two-qubit states

    E-Print Network [OSTI]

    Joonwoo Bae

    2010-09-22T23:59:59.000Z

    The quantum states corresponding to a secret key are characterized using the so-called private states, where the key part consisting of a secret key is shielded by the additional systems. Based on the construction, it was shown that a secret key can be distilled from bound entangled states. In this work, I consider the shielded two-qubit states in a key-distillation scenario and derive the conditions under which a secret key can be distilled using the recurrence protocol or the two-way classical distillation, advantage distillation together with one-way postprocessing. From the security conditions, it is shown that a secret key can be distilled from bound entangled states in a much wider range. In addition, I consider the case that in which white noise is added to quantum states and show that the classical distillation protocol still works despite a certain amount of noise although the recurrence protocol does not.

  18. Qutrit Magic State Distillation Tight in Some Directions

    E-Print Network [OSTI]

    Hillary Dawkins; Mark Howard

    2015-04-22T23:59:59.000Z

    Magic state distillation is a crucial component in the leading approaches to implementing universal fault tolerant quantum computation, with existing protocols for both qubit and higher dimensional systems. Early work focused on determining the region of distillable states for qubit protocols, yet comparatively little is known about which states can be distilled and with what distillable region for d>2. Here we focus on d=3 and present new four-qutrit distillation schemes that improve upon the known distillable region, and achieve distillation tight to the boundary of undistillable states for some classes of state. As a consequence of recent results, this implies that there is a family of quantum states that enable universality if and only if they exhibit contextuality with respect to stabilizer measurements. We also identify a new routine whose fixed point is a magic state with maximal sum-negativity i.e., it is maximally non-stabilizer in a specific sense.

  19. Secret key distillation from shielded two-qubit states

    SciTech Connect (OSTI)

    Bae, Joonwoo [School of Computational Sciences, Korea Institute for Advanced Study, Seoul 130-722 (Korea, Republic of)

    2010-05-15T23:59:59.000Z

    The quantum states corresponding to a secret key are characterized using the so-called private states, where the key part consisting of a secret key is shielded by the additional systems. Based on the construction, it was shown that a secret key can be distilled from bound entangled states. In this work, I consider the shielded two-qubit states in a key-distillation scenario and derive the conditions under which a secret key can be distilled using the recurrence protocol or the two-way classical distillation, advantage distillation together with one-way postprocessing. From the security conditions, it is shown that a secret key can be distilled from bound entangled states in a much wider range. In addition, I consider the case that in which white noise is added to quantum states and show that the classical distillation protocol still works despite a certain amount of noise although the recurrence protocol does not.

  20. Contact structure for use in catalytic distillation

    DOE Patents [OSTI]

    Jones, E.M. Jr.

    1984-03-27T23:59:59.000Z

    A method is described for conducting catalytic chemical reactions and fractionation of the reaction mixture comprising feeding reactants into a distillation column reactor, contracting said reactant in liquid phase with a fixed bed catalyst in the form of a contact catalyst structure consisting of closed porous containers containing the catalyst for the reaction and a clip means to hold and support said containers, which are disposed above, i.e., on the distillation trays in the tower. The trays have weir means to provide a liquid level on the trays to substantially cover the containers. In other words, the trays function in their ordinary manner with the addition thereto of the catalyst. The reaction mixture is concurrently fractionated in the column. 7 figs.

  1. Contact structure for use in catalytic distillation

    DOE Patents [OSTI]

    Jones, E.M. Jr.

    1985-08-20T23:59:59.000Z

    A method and apparatus are disclosed for conducting catalytic chemical reactions and fractionation of the reaction mixture, comprising and feeding reactants into a distillation column reactor contracting said reactant in a liquid phase with a fixed bed catalyst in the form of a contact catalyst structure, consisting of closed porous containers containing the catalyst for the reaction and a clip means to hold and support said containers, which are disposed above, i.e., on the distillation trays in the tower. The trays have weir means to provide a liquid level on the trays to substantially cover the containers. In other words, the trays function in their ordinary manner with the addition thereto of the catalyst. The reaction mixture is concurrently fractionated in the column. 7 figs.

  2. Contact structure for use in catalytic distillation

    DOE Patents [OSTI]

    Jones, Jr., Edward M. (Friendswood, TX)

    1984-01-01T23:59:59.000Z

    A method for conducting catalytic chemical reactions and fractionation of the reaction mixture comprising feeding reactants into a distillation column reactor contracting said reactant in liquid phase with a fixed bed catalyst in the form of a contact catalyst structure consisting of closed porous containers containing the catatlyst for the reaction and a clip means to hold and support said containers, which are disposed above, i.e., on the distillation trays in the tower. The trays have weir means to provide a liquid level on the trays to substantially cover the containers. In other words, the trays function in their ordinary manner with the addition thereto of the catalyst. The reaction mixture is concurrently fractionated in the column.

  3. Contact structure for use in catalytic distillation

    DOE Patents [OSTI]

    Jones, Jr., Edward M. (Friendswood, TX)

    1985-01-01T23:59:59.000Z

    A method and apparatus for conducting catalytic chemical reactions and fractionation of the reaction mixture, comprising and feeding reactants into a distillation column reactor contracting said reactant in a liquid phase with a fixed bed catalyst in the form of a contact catalyst structure, consisting of closed porous containers containing the catalyst for the reaction and a clip means to hold and support said containers, which are disposed above, i.e., on the distillation trays in the tower. The trays have weir means to provide a liquid level on the trays to substantially cover the containers. In other words, the trays function in their ordinary manner with the addition thereto of the catalyst. The reaction mixture is concurrently fractionated in the column.

  4. Advanced Motors

    SciTech Connect (OSTI)

    Knoth, Edward A.; Chelluri, Bhanumathi; Schumaker, Edward J.

    2012-12-14T23:59:59.000Z

    Project Summary Transportation energy usage is predicted to increase substantially by 2020. Hybrid vehicles and fuel cell powered vehicles are destined to become more prominent as fuel prices rise with the demand. Hybrid and fuel cell vehicle platforms are both dependent on high performance electric motors. Electric motors for transportation duty will require sizeable low-speed torque to accelerate the vehicle. As motor speed increases, the torque requirement decreases which results in a nearly constant power motor output. Interior permanent magnet synchronous motors (IPMSM) are well suited for this duty. , , These rotor geometries are configured in straight lines and semi circular arc shapes. These designs are of limited configurations because of the lack of availability of permanent magnets of any other shapes at present. We propose to fabricate rotors via a novel processing approach where we start with magnet powders and compact them into a net shape rotor in a single step. Using this approach, widely different rotor designs can be implemented for efficiency. The current limitation on magnet shape and thickness will be eliminated. This is accomplished by co-filling magnet and soft iron powders at specified locations in intricate shapes using specially designed dies and automatic powder filling station. The process fundamentals for accomplishing occurred under a previous Applied Technology Program titled, ���������������¢��������������������������������Motors and Generators for the 21st Century���������������¢�������������������������������. New efficient motor designs that are not currently possible (or cost prohibitive) can be accomplished by this approach. Such an approach to motor fabrication opens up a new dimension in motor design. Feasibility Results We were able to optimize a IPMSM rotor to take advantage of the powder co-filling and DMC compaction processing methods. The minimum low speed torque requirement of 5 N-m can be met through an optimized design with magnet material having a Br capability of 0.2 T. This level of magnetic performance can be met with a variety of bonded magnet compositions. The torque ripple was found to drop significantly by using thinner magnet segments. The powder co-filling and subsequent compaction processing allow for thinner magnet structures to be formed. Torque ripple can be further reduced by using skewing and pole shaping techniques. The techniques can be incorporated into the rotor during the powder co-filling process.

  5. The attractor mechanism as a distillation procedure

    E-Print Network [OSTI]

    Péter Lévay; Szilárd Szalay

    2010-04-14T23:59:59.000Z

    In a recent paper it has been shown that for double extremal static spherically symmetric BPS black hole solutions in the STU model the well-known process of moduli stabilization at the horizon can be recast in a form of a distillation procedure of a three-qubit entangled state of GHZ-type. By studying the full flow in moduli space in this paper we investigate this distillation procedure in more detail. We introduce a three-qubit state with amplitudes depending on the conserved charges the warp factor, and the moduli. We show that for the recently discovered non-BPS solutions it is possible to see how the distillation procedure unfolds itself as we approach the horizon. For the non-BPS seed solutions at the asymptotically Minkowski region we are starting with a three-qubit state having seven nonequal nonvanishing amplitudes and finally at the horizon we get a GHZ state with merely four nonvanishing ones with equal magnitudes. The magnitude of the surviving nonvanishing amplitudes is proportional to the macroscopic black hole entropy. A systematic study of such attractor states shows that their properties reflect the structure of the fake superpotential. We also demonstrate that when starting with the very special values for the moduli corresponding to flat directions the uniform structure at the horizon deteriorates due to errors generalizing the usual bit flips acting on the qubits of the attractor states.

  6. Apparatus for distilling shale oil from oil shale

    SciTech Connect (OSTI)

    Shishido, T.; Sato, Y.

    1984-02-14T23:59:59.000Z

    An apparatus for distilling shale oil from oil shale comprises: a vertical type distilling furnace which is divided by two vertical partitions each provided with a plurality of vent apertures into an oil shale treating chamber and two gas chambers, said oil shale treating chamber being located between said two gas chambers in said vertical type distilling furnace, said vertical type distilling furnace being further divided by at least one horizontal partition into an oil shale distilling chamber in the lower part thereof and at least one oil shale preheating chamber in the upper part thereof, said oil shale distilling chamber and said oil shale preheating chamber communication with each other through a gap provided at an end of said horizontal partition, an oil shale supplied continuously from an oil shale supply port provided in said oil shale treating chamber at the top thereof into said oil shale treating chamber continuously moving from the oil shale preheating chamber to the oil shale distilling chamber, a high-temperature gas blown into an oil shale distilling chamber passing horizontally through said oil shale in said oil shale treating chamber, thereby said oil shale is preheated in said oil shale preheating chamber, and a gaseous shale oil is distilled from said preheated oil shale in said oil shale distilling chamber; and a separator for separating by liquefaction a gaseous shale oil from a gas containing the gaseous shale oil discharged from the oil shale preheating chamber.

  7. Implementing Motor Decision Plans

    E-Print Network [OSTI]

    Elliott, R. N.

    The first step to reducing energy costs and increasing reliability in motors is to establish a motor plan. A motor plan allows decisions to be made in advance of motor failure, and increases the options available. By contrast, most motor decisions...

  8. Surface code implementation of block code state distillation

    E-Print Network [OSTI]

    Austin G. Fowler; Simon J. Devitt; Cody Jones

    2013-01-29T23:59:59.000Z

    State distillation is the process of taking a number of imperfect copies of a particular quantum state and producing fewer better copies. Until recently, the lowest overhead method of distilling states |A>=(|0>+e^{i\\pi/4}|1>)/\\sqrt{2} produced a single improved |A> state given 15 input copies. New block code state distillation methods can produce k improved |A> states given 3k+8 input copies, potentially significantly reducing the overhead associated with state distillation. We construct an explicit surface code implementation of block code state distillation and quantitatively compare the overhead of this approach to the old. We find that, using the best available techniques, for parameters of practical interest, block code state distillation does not always lead to lower overhead, and, when it does, the overhead reduction is typically less than a factor of three.

  9. Iterative Entanglement Distillation: Approaching full Elimination of Decoherence

    E-Print Network [OSTI]

    Boris Hage; Aiko Samblowski; James DiGuglielmo; Jaromír Fiurášek; Roman Schnabel

    2010-07-09T23:59:59.000Z

    The distribution and processing of quantum entanglement form the basis of quantum communication and quantum computing. The realization of the two is difficult because quantum information inherently has a high susceptibility to decoherence, i.e. to uncontrollable information loss to the environment. For entanglement distribution, a proposed solution to this problem is capable of fully eliminating decoherence; namely iterative entanglement distillation. This approach builds on a large number of distillation steps each of which extracts a number of weakly decohered entangled states from a larger number of strongly decohered states. Here, for the first time, we experimentally demonstrate iterative distillation of entanglement. Already distilled entangled states were further improved in a second distillation step and also made available for subsequent steps.Our experiment displays the realization of the building blocks required for an entanglement distillation scheme that can fully eliminate decoherence.

  10. W-like bound entangled states and secure key distillation

    E-Print Network [OSTI]

    Remigiusz Augusiak; Pawel Horodecki

    2009-09-09T23:59:59.000Z

    We construct multipartite entangled states with underlying W-type structure satisfying positive partial transpose (PPT) condition under any (N-1)|1 partition. Then we show how to distill N-partite secure key form the states using two different methods: direct application of local filtering and novel random key distillation scheme in which we adopt the idea form recent results on entanglement distillation. Open problems and possible implications are also discussed.

  11. Quantum states representing perfectly secure bits are always distillable

    E-Print Network [OSTI]

    Pawel Horodecki; Remigiusz Augusiak

    2007-11-06T23:59:59.000Z

    It is proven that recently introduced states with perfectly secure bits of cryptographic key (private states representing secure bit) [K. Horodecki et al., Phys. Rev. Lett. 94, 160502 (2005)] as well as its multipartite and higher dimension generalizations always represent distillable entanglement. The corresponding lower bounds on distillable entanglement are provided. We also present a simple alternative proof that for any bipartite quantum state entanglement cost is an upper bound on distillable cryptographic key in bipartite scenario.

  12. Energy Conservation Options in Distillation Processes

    E-Print Network [OSTI]

    Harris, G. E.; Hearn, W. R.; Blythe, G. M.; Stuart, J. M.

    1980-01-01T23:59:59.000Z

    ~itroo.? ':!OD.e~tell.,..ot!.k1 .'k..,.-.ottNltlu'..,. II ""'I'JI ..... ~I_ """-.4008l1"OO I ~.z.,. 1 ,1'1 (-frl-.'....u_~ R.da at AC~Ofllftl\\,J'ftlit...." ? I 5 "'-tlnc&! Tt.,.. ? 21.' \\lip Gilil.In31 j TnyE.'tIc>Mcy .11.1'llo I ~~TI""'.'2.at... I There are many options available to the engi*eer seeking to reduce the energy requirements of a distil lation process. The technology for most of these I, options has been available for many years, but it has only recently become economically...

  13. Use of computers for multicomponent distillation calculations

    E-Print Network [OSTI]

    Sullivan, Samuel Lane

    1959-01-01T23:59:59.000Z

    The corrected values for the b 's are best cal- i culated by multiplying (b. /d ) by (d. ) The compositions for each component in the vapor and liquid streams leaving plate j are calculated by use of the following equations. ('i/ i)ca ( i)co y. ji c Z (v... . . /b. ) (b. ) ji i ca i co i=1 , f a j x N+1 C (47-b) A temperature profile may be calculated by making either bubble or dew point calculations based on the compositions obtained by use of Equations (46) and (47). The specified distillate rate must...

  14. New Design Methods and Algorithms for Multi-component Distillation...

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

    CX-100137 Categorical Exclusion Determination ITP Chemicals: Hybripd SeparationsDistillation Technology. Research Opportunities for Energy and Emissions Reduction ITP Energy...

  15. Integrated Thermal and Hydraulic Analysis of Distillation Columns

    E-Print Network [OSTI]

    Samant, K.; Sinclair, I.; Keady, G.

    . The paper outlines how bringing together the column thermal and hydraulics analysis provides significant additional insights to help screen the options for distillation column revamps....

  16. Local Gaussian operations can enhance continuous-variable entanglement distillation

    E-Print Network [OSTI]

    ShengLi Zhang; Peter van Loock

    2011-03-23T23:59:59.000Z

    Entanglement distillation is a fundamental building block in long-distance quantum communication. Though known to be useless on their own for distilling Gaussian entangled states, local Gaussian operations may still help to improve non-Gaussian entanglement distillation schemes. Here we show that by applying local squeezing operations, both the performance and the efficiency of existing distillation protocols can be enhanced. We derive the optimal enhancement through local Gaussian unitaries, which can be obtained even in the most natural scenario when Gaussian mixed entangled states are shared after their distribution through a lossy-fiber communication channel.

  17. advanced distillation control: Topics by E-print Network

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

    Morari California.Eng., Norwegian Institute of Technology (NTH), N-7034 Trondheim, Norway Paper presented at Symposium Distillation Skogestad, Sigurd 14 CONTROL AND ENERGY...

  18. azeotropic distillation columns: Topics by E-print Network

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

    of Azeotropic Mixtures in Closed Batch Distillation Arrangements S. Skouras and S, Norway SCOPE OF THE PROJECT How can we separate ternary mixtures in closed batch...

  19. Table 50. Prime Supplier Sales Volumes of Distillate Fuel Oils...

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    Marketing Annual 1998 359 Table 50. Prime Supplier Sales Volumes of Distillate Fuel Oils and Kerosene by PAD District and State (Thousand Gallons per Day) - Continued...

  20. Table 50. Prime Supplier Sales Volumes of Distillate Fuel Oils...

    Gasoline and Diesel Fuel Update (EIA)

    Marketing Annual 1999 359 Table 50. Prime Supplier Sales Volumes of Distillate Fuel Oils and Kerosene by PAD District and State (Thousand Gallons per Day) - Continued...

  1. Prime Supplier Sales Volumes of Distillate Fuel Oils and Kerosene...

    Gasoline and Diesel Fuel Update (EIA)

    Marketing Annual 1996 401 Table 50. Prime Supplier Sales Volumes of Distillate Fuel Oils and Kerosene by PAD District and State (Thousand Gallons per Day) - Continued...

  2. Prime Supplier Sales Volumes of Distillate Fuel Oils and Kerosene...

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    Marketing Annual 1997 401 Table 50. Prime Supplier Sales Volumes of Distillate Fuel Oils and Kerosene by PAD District and State (Thousand Gallons per Day) - Continued...

  3. Edinburgh Motor Assessment (EMAS) 

    E-Print Network [OSTI]

    Bak, Thomas

    2013-12-01T23:59:59.000Z

    Edinburgh Motor Assessment (EMAS) is a brief motor screening test, specifically designed for assessment of patients with dementia, aphasia and other cognitive disorders. It focuses, therefore, on those motor symptoms, ...

  4. NONLINEAR MPC BASED ON MULTI-MODEL FOR DISTILLATION COLUMNS

    E-Print Network [OSTI]

    Foss, Bjarne A.

    NONLINEAR MPC BASED ON MULTI-MODEL FOR DISTILLATION COLUMNS Bjarne A. Foss1 , Song-Bo Cong established for a petroleum distillation column through first principle analysis, and its parameters have been-estimation and prediction in a MPC scheme. The controller has been applied to quality control of a FCCU fractionator

  5. A Decision Mechanism for the Selective Combination of Evidence in Topic Distillation

    E-Print Network [OSTI]

    Jose, Joemon M.

    A Decision Mechanism for the Selective Combination of Evidence in Topic Distillation Vassilis combination of evidence for Web Information Retrieval and particularly for topic distillation. We introduce. Keywords Web information retrieval, Topic distillation, decision mechanism, selective combination

  6. Temperature Collocation Algorithm for Fast and Robust Distillation Libin Zhang and Andreas A. Linninger*

    E-Print Network [OSTI]

    Linninger, Andreas A.

    Temperature Collocation Algorithm for Fast and Robust Distillation Design Libin Zhang and Andreas A mixtures that exhibit suitable volatility differences.1 Hence, continuous distillation columns, along commodity manufacturing. The common practice for distillation design often involves numerous trial

  7. Non-Gaussian entanglement distillation for continuous variables

    E-Print Network [OSTI]

    Hiroki Takahashi; Jonas S. Neergaard-Nielsen; Makoto Takeuchi; Masahiro Takeoka; Kazuhiro Hayasaka; Akira Furusawa; Masahide Sasaki

    2009-07-13T23:59:59.000Z

    Entanglement distillation is an essential ingredient for long distance quantum communications. In the continuous variable setting, Gaussian states play major roles in quantum teleportation, quantum cloning and quantum cryptography. However, entanglement distillation from Gaussian states has not yet been demonstrated. It is made difficult by the no-go theorem stating that no Gaussian operation can distill Gaussian states. Here we demonstrate the entanglement distillation from Gaussian states by using measurement-induced non-Gaussian operations, circumventing the fundamental restriction of the no-go theorem. We observed a gain of entanglement as a result of conditional local subtraction of a single photon or two photons from a two-mode Gaussian state. Furthermore we confirmed that two-photon subtraction also improves Gaussian-like entanglement as specified by the Einstein-Podolsky-Rosen (EPR) correlation. This distilled entanglement can be further employed to downstream applications such as high fidelity quantum teleportation and a loophole-free Bell test.

  8. Cr-free Fe-based metal oxide catalysts for high temperature water gas shift reaction of fuel processor using LPG

    SciTech Connect (OSTI)

    lee, Joon Y.; Lee, Dae-Won; Lee, Kwan Young; Wang, Yong

    2009-08-15T23:59:59.000Z

    The goal of this study was to identify the most suitable chromium-free iron-based catalysts for the HTS (high temperature shift) reaction of a fuel processor using LPG. Hexavalent chromium (Cr6+) in the commercial HTS catalyst has been regarded as hazardous material. We selected Ni and Co as the substitution for chromium in the Fe-based HTS catalyst and investigated the HTS activities of these Crfree catalysts at LPG reformate condition. Cr-free Fe-based catalysts which contain Ni, Zn, or Co instead of Cr were prepared by coprecipitation method and the performance of the catalysts in HTS was evaluated under gas mixture conditions (42% H2, 10% CO, 37% H2O, 8% CO2, and 3% CH4; R (reduction factor): about 1.2) similar to the gases from steam reforming of LPG (100% conversion at steam/carbon ratio = 3), which is higher than R (under 1) of typically studied LNG reformate condition. Among the prepared Cr-free Febased catalysts, the 5 wt%-Co/Fe/20 wt%-Ni and 5 wt%-Zn/Fe/20 wt%-Ni catalysts showed good catalytic activity under this reaction condition simulating LPG reformate gas.

  9. MOTOR BIKES, MOPEDS, AND MOTOR SCOOTERS Registration and Operation

    E-Print Network [OSTI]

    Lozano-Robledo, Alvaro

    6. 6.1 MOTOR BIKES, MOPEDS, AND MOTOR SCOOTERS Registration and Operation Motor Bikes, Mopeds, and Motor Scooters are defined as motor vehicles and are subject to all regulations governing motor vehicle operation on the grounds of the University. Such a motor vehicle owned and operated by a member

  10. Re-refining of Waste Oil Solvent Is Used in Treatment/Distillation Process

    E-Print Network [OSTI]

    unknown authors

    INDUSTRIAL APPLICATION. A combination solvent treatment/distillation process has been designed for re-refining industrial waste oil (such as equipment lubricants, metal-working oil, and process oil) and used automotive lubricants (engine oil, hydraulic oil, and gear oil) for reuse. WASTE ENERGY RECOVERY. Recycling of waste oil in the United States has the potential to save the energy equivalent of 7-12 million bbl of crude oil annually.1 WASTE OIL RECOVERY. Prior to 1960, a significant portion of the demand for automotive lubricating oil was met by re-relined used oil. At the time, 150 re-refineries produced 300 million gal of motor oil annually. Since 1960, however, the production of re-refined oil has steadily declined. In 1981, for example, out of about 1.2 billion gal of automobile lubricating oil and 1.6 billion gal of industrial lubricating oils purchased, 25 U.S. rerefineries

  11. Multilevel distillation of magic states for quantum computing

    E-Print Network [OSTI]

    Cody Jones

    2013-03-27T23:59:59.000Z

    We develop a procedure for distilling magic states used in universal quantum computing that requires substantially fewer initial resources than prior schemes. Our distillation circuit is based on a family of concatenated quantum codes that possess a transversal Hadamard operation, enabling each of these codes to distill the eigenstate of the Hadamard operator. A crucial result of this design is that low-fidelity magic states can be consumed to purify other high-fidelity magic states to even higher fidelity, which we call "multilevel distillation." When distilling in the asymptotic regime of infidelity $\\epsilon \\rightarrow 0$ for each input magic state, the number of input magic states consumed on average to yield an output state with infidelity $O(\\epsilon^{2^r})$ approaches $2^r+1$, which comes close to saturating the conjectured bound in [Phys. Rev. A 86, 052329]. We show numerically that there exist multilevel protocols such that the average number of magic states consumed to distill from error rate $\\epsilon_{\\mathrm{in}} = 0.01$ to $\\epsilon_{\\mathrm{out}}$ in the range $10^{-5}$ to $10^{-40}$ is about $14\\log_{10}(1/\\epsilon_{\\mathrm{out}}) - 40$; the efficiency of multilevel distillation dominates all other reported protocols when distilling Hadamard magic states from initial infidelity 0.01 to any final infidelity below $10^{-7}$. These methods are an important advance for magic-state distillation circuits in high-performance quantum computing, and they provide insight into the limitations of nearly resource-optimal quantum error correction.

  12. Distillation and Dehydro Reactors Advanced Process Conrol Freeport Texas PLant

    E-Print Network [OSTI]

    Eisele, D.

    2014-01-01T23:59:59.000Z

    Distillation and Dehydro Reactors Advanced Process Control Freeport Texas Plant ESL-IE-14-05-16 Proceedings of the Thrity-Sixth Industrial Energy Technology Conference New Orleans, LA. May 20-23, 2014 G-KTI, Polyamide and Intermediates Distillation...-Sixth Industrial Energy Technology Conference New Orleans, LA. May 20-23, 2014 G-KTI, Polyamide and Intermediates Distillation APC – Control Matrix 6/2/2014 INTERNAL; CONFIDENTIAL 3 ESL-IE-14-05-16 Proceedings of the Thrity-Sixth Industrial Energy Technology...

  13. Construction and operation of a flash distillation apparatus

    E-Print Network [OSTI]

    Knezevich, Milan

    1940-01-01T23:59:59.000Z

    VII HElPEL D1STILLATIONS OF FLASH DISTILLATES OF OKLAHOMA CITY CRUDE Flash Temperature of Distillate XII DoE. F, 260 308 342 392 Volume Distilled per oent Telsp e deE. F. Temp e deE ~ Fs Toslp e doge Fo Tolllp Tolsp e deg. F, doE ~ F..., and they lose much of their kinetio energy to the high boiling molocules ~ Therefore, the solution does not start to vaporise at tho normal boiling point of the low boiling components At low percentages vaporissd flash vaporisation requires a higher vapor...

  14. Energy Use in Distillation Operation: Nonlinear Economic Effects

    E-Print Network [OSTI]

    White, D. C.

    2010-01-01T23:59:59.000Z

    Distillation operations are major consumers of energy, by some estimates comprising forty percent of the energy usage in the refining and chemicals industry. Obtaining the maximum energy efficiency from this unit operation is obviously very...

  15. Magic-state distillation with the four-qubit code

    E-Print Network [OSTI]

    Meier, Adam M; Knill, Emanuel

    2012-01-01T23:59:59.000Z

    The distillation of magic states is an often-cited technique for enabling universal quantum computing once the error probability for a special subset of gates has been made negligible by other means. We present a routine for magic-state distillation that reduces the required overhead for a range of parameters of practical interest. Each iteration of the routine uses a four-qubit error-detecting code to distill the +1 eigenstate of the Hadamard gate at a cost of ten input states per two improved output states. Use of this routine in combination with the 15-to-1 distillation routine described by Bravyi and Kitaev allows for further improvements in overhead.

  16. Heat Integrated Distillation through Use of Microchannel Technology

    Broader source: Energy.gov [DOE]

    This factsheet describes a research project whose goal is to develop a breakthrough distillation process using Microchannel Process Technology to integrate heat transfer and separation into a single unit operation.

  17. Magic-state distillation with the four-qubit code

    E-Print Network [OSTI]

    Adam M. Meier; Bryan Eastin; Emanuel Knill

    2012-04-18T23:59:59.000Z

    The distillation of magic states is an often-cited technique for enabling universal quantum computing once the error probability for a special subset of gates has been made negligible by other means. We present a routine for magic-state distillation that reduces the required overhead for a range of parameters of practical interest. Each iteration of the routine uses a four-qubit error-detecting code to distill the +1 eigenstate of the Hadamard gate at a cost of ten input states per two improved output states. Use of this routine in combination with the 15-to-1 distillation routine described by Bravyi and Kitaev allows for further improvements in overhead.

  18. Synthesis and design of optimal thermal membrane distillation networks

    E-Print Network [OSTI]

    Nyapathi Seshu, Madhav

    2006-10-30T23:59:59.000Z

    Thermal membrane distillation is one of the novel separation methods in the process industry. It involves the simultaneous heat and mass transfer through a hydrophobic semipermeable membrane through the use of thermal energy to bring about...

  19. Absorption Cycle Fundamentals and Applications Guidelines for Distillation Energy Savings

    E-Print Network [OSTI]

    Erickson, D. C.; Davidson, W. F.

    1984-01-01T23:59:59.000Z

    The absorption cycle offers one of the most economic and widely applicable technologies for waste heat upgrading. It can use off-the-shelf hardware that is available now, at any required capacity rating. Fractional distillations, as a class...

  20. Membrane augmented distillation to separate solvents from water

    DOE Patents [OSTI]

    Huang, Yu; Baker, Richard W.; Daniels, Rami; Aldajani, Tiem; Ly, Jennifer H.; Alvarez, Franklin R.; Vane, Leland M.

    2012-09-11T23:59:59.000Z

    Processes for removing water from organic solvents, such as ethanol. The processes include distillation to form a rectified overhead vapor, compression of the rectified vapor, and treatment of the compressed vapor by two sequential membrane separation steps.

  1. Energy Use in Distillation Operation: Nonlinear Economic Effects 

    E-Print Network [OSTI]

    White, D. C.

    2010-01-01T23:59:59.000Z

    Distillation operations are major consumers of energy, by some estimates comprising forty percent of the energy usage in the refining and chemicals industry. Obtaining the maximum energy efficiency from this unit operation ...

  2. Reducing WWW Latency and Bandwidth Requirements by RealTime Distillation

    E-Print Network [OSTI]

    California at Berkeley, University of

    Reducing WWW Latency and Bandwidth Requirements by Real­Time Distillation Armando Fox and Eric A Distillation and Refinement Can Help 1. The Concept of Datatype­Specific Distillation 2. Refinement 3. Trading. Optimizing for Rendering on Impoverished Devices 3. An Implemented HTTP Proxy Based on Real­Time Distillation

  3. Control strategies for reactive batch distillation Eva Swensen and Sigurd Skogestad"

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Control strategies for reactive batch distillation Eva Swensen and Sigurd Skogestad" Department be combined directly with a distillation column by distilling off the light component product in order a maximum value in order to avoid break-through of an intermediate component in the distillate. This maximum

  4. Dividing wall columns for heterogeneous azeotropic distillation Quang-Khoa Le1

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Dividing wall columns for heterogeneous azeotropic distillation Quang-Khoa Le1 , Ivar J. Halvorsen2 of this work is to implement heterogeneous azeotropic distillation schemes in a dividing wall column (DWC distillation, Petlyuk arrangement, energy saving. 1. Introduction Distillation is one of the most energy

  5. Interferometric distillation and determination of unknown two-qubit entanglement

    E-Print Network [OSTI]

    S. -S. B. Lee; H. -S. Sim

    2010-06-08T23:59:59.000Z

    We propose a scheme for both distilling and quantifying entanglement, applicable to individual copies of an arbitrary unknown two-qubit state. It is realized in a usual two-qubit interferometry with local filtering. Proper filtering operation for the maximal distillation of the state is achieved, by erasing single-qubit interference, and then the concurrence of the state is determined directly from the visibilities of two-qubit interference. We compare the scheme with full state tomography.

  6. Heat Recovery in Distillation by Mechanical Vapor Recompression

    E-Print Network [OSTI]

    Becker, F. E.; Zakak, A. I.

    tower energy requirements can be achieved by mechanical vapor recompression. Three design approaches for heating a distillation tower reboiler by mechanical vapor recompression are presented. The advantages of using a screw compressor are discussed... for lowering energy consumption in the distillation process through various heat recovery techniques. (3-8) One such technique utilizes mechanical vapor recompression. (9-12) The principle of this ap proach involves the use of a compressor to recycle...

  7. Single-step distillation protocol with generalized beam splitters

    SciTech Connect (OSTI)

    Martin-Delgado, M. A.; Navascues, M. [Departamento de Fisica Teorica I, Universidad Complutense, 28040 Madrid, (Spain)

    2003-07-01T23:59:59.000Z

    We develop a distillation protocol for multilevel qubits (qudits) using generalized beam splitters like in the proposal of Pan et al. for ordinary qubits. We find an acceleration with respect to the scheme of Bennet et al. when extended to qudits. It is also possible to distill entangled pairs of photons carrying orbital angular momenta states that conserve the total angular momenta as those produced in recent experiments.

  8. Key Distillation and the Secret-Bit Fraction

    E-Print Network [OSTI]

    Nick S. Jones; Lluis Masanes

    2008-05-12T23:59:59.000Z

    We consider distillation of secret bits from partially secret noisy correlations P_ABE, shared between two honest parties and an eavesdropper. The most studied distillation scenario consists of joint operations on a large number of copies of the distribution (P_ABE)^N, assisted with public communication. Here we consider distillation with only one copy of the distribution, and instead of rates, the 'quality' of the distilled secret bits is optimized, where the 'quality' is quantified by the secret-bit fraction of the result. The secret-bit fraction of a binary distribution is the proportion which constitutes a secret bit between Alice and Bob. With local operations and public communication the maximal extractable secret-bit fraction from a distribution P_ABE is found, and is denoted by Lambda[P_ABE]. This quantity is shown to be nonincreasing under local operations and public communication, and nondecreasing under eavesdropper's local operations: it is a secrecy monotone. It is shown that if Lambda[P_ABE]>1/2 then P_ABE is distillable, thus providing a sufficient condition for distillability. A simple expression for Lambda[P_ABE] is found when the eavesdropper is decoupled, and when the honest parties' information is binary and the local operations are reversible. Intriguingly, for general distributions the (optimal) operation requires local degradation of the data.

  9. Implementing Motor Management

    E-Print Network [OSTI]

    Colip, R. L.

    Electric motors account for sixty five percent of industrial energy consumed today. There are many opportunities to conserve electricity by using more energy efficient motors and drives. Proven technologies and practices can reduce energy...

  10. Stepping Motor Control System

    E-Print Network [OSTI]

    Larson, Noble G.

    This paper describes a hardware system designed to facilitate position and velocity control of a group of eight stepping motors using a PDP-11. The system includes motor driver cards and other interface cards in addition ...

  11. Sensorless, Online Motor Diagnostics

    E-Print Network [OSTI]

    Yazici, Birsen

    of faults or incipi- ent faults in electric motor drives: Sensorless torque measurement Direct detection as the motor. Exten- sive online monitoring of the motors can lead to greater plant availability, extended over the last several years, ade- quate data processing capability is now available on cost

  12. Quantum motor and future

    E-Print Network [OSTI]

    Evgeny G. Fateev

    2013-01-20T23:59:59.000Z

    In a popular language, the possibilities of the Casimir expulsion effect are presented, which can be the basis of quantum motors. Such motors can be in the form of a special multilayer thin film with periodic and complex nanosized structures. Quantum motors of the type of the Casimir platforms can be the base of transportation, energy and many other systems in the future.

  13. Motor Control STEVEN P. WISE

    E-Print Network [OSTI]

    Shadmehr, Reza

    Motor Control STEVEN P. WISE National Institute of Mental Health REZA SHADMEHR Johns Hopkins University I. What Controls Movement II. What the Motor System Controls III. Mechanisms of Motor Control IV. Motor Memory V. Flexibility in Motor Control VI. Evolution of the Motor System GLOSSARY agonist A muscle

  14. Motor/generator

    DOE Patents [OSTI]

    Hickam, Christopher Dale (Glasford, IL)

    2008-05-13T23:59:59.000Z

    A motor/generator is provided for connecting between a transmission input shaft and an output shaft of a prime mover. The motor/generator may include a motor/generator housing, a stator mounted to the motor/generator housing, a rotor mounted at least partially within the motor/generator housing and rotatable about a rotor rotation axis, and a transmission-shaft coupler drivingly coupled to the rotor. The transmission-shaft coupler may include a clamp, which may include a base attached to the rotor and a plurality of adjustable jaws.

  15. Replacing Motors Counting Savings: Results from a 100 Motor Study

    E-Print Network [OSTI]

    Kaufman, N. M.

    2006-01-01T23:59:59.000Z

    REPLACING MOTORS, COUNTING SAVINGS: RESULTS FROM A 100 MOTOR STUDY Nicole M. Kaufman Motor Systems Engineer Advanced Energy Raleigh, NC ABSTRACT Software tools such as MotorMaster+ aid facility personnel in conducting payback... analyses for replacing motors. These tools make assumptions on the motors’ operational efficiency in their calculations. By observing 100 pre-EPCA (Energy Policy & Conservation Act) motors in operation, removing them from service and conducting IEEE...

  16. Replacing Motors Counting Savings: Results from a 100 Motor Study 

    E-Print Network [OSTI]

    Kaufman, N. M.

    2006-01-01T23:59:59.000Z

    REPLACING MOTORS, COUNTING SAVINGS: RESULTS FROM A 100 MOTOR STUDY Nicole M. Kaufman Motor Systems Engineer Advanced Energy Raleigh, NC ABSTRACT Software tools such as MotorMaster+ aid facility personnel in conducting payback... analyses for replacing motors. These tools make assumptions on the motors’ operational efficiency in their calculations. By observing 100 pre-EPCA (Energy Policy & Conservation Act) motors in operation, removing them from service and conducting IEEE...

  17. Non-Locality Distillation is Impossible for Isotropic Quantum Systems

    E-Print Network [OSTI]

    Dejan D. Dukaric

    2011-09-20T23:59:59.000Z

    Non-locality is a powerful resource for various communication and information theoretic tasks, e.g., to establish a secret key between two parties, or to reduce the communication complexity of distributed computing. Typically, the more non-local a system is, the more useful it is as a resource for such tasks. We address the issue of non-locality distillation, i.e., whether it is possible to create a strongly non-local system by local operations on several weakly non-local ones. More specifically, we consider a setting where non-local systems can be realized via measurements on underlying shared quantum states. The hardest instances for non-locality distillation are the isotropic quantum systems: if a certain isotropic system can be distilled, then all systems of the same non-locality can be distilled as well. The main result of this paper is that non-locality cannot be distilled from such isotropic quantum systems. Our results are based on the theory of cross norms defined over the tensor product of certain Banach spaces. In particular, we introduce a single-parameter family of cross norms, which is used to construct a hierarchy of convex sets that are closed under local operations. This hierarchy interpolates between the set of local systems and an approximation to the set of quantum systems.

  18. Kinetics and thermodynamics of hydrotreating synthetic middle distillates

    SciTech Connect (OSTI)

    Fisher, I.P. (Petro-Canada R and D Dept., Sheridan Park, Ontario (Canada)); Wilson, M.F. (CANMET, Ottawa, Ontario (Canada))

    1987-04-01T23:59:59.000Z

    Middle distillates from the Tar Sands deposits in Alberta are an important component of diesel and jet fuels in the Canadian market. Commercial catalysts based on sulfided Ni-Mo and Ni-W are currently used to hydrogenate synthetic distillates to improve the cetane number and smoke point. In previous work {sup 13}C NMR was used to study the kinetics of overall hydrogenation of aromatics over sulfided Co-Mo, Ni-Mo and Ni-W catalysts. Arrhenius parameters were obtained for hydrogenation over sulfided Ni-W catalyst for a similar distillate feedstock. In the latter study, mass spectrometry was used to quantitate the three major aromatic hydrocarbon group types in the feed and products. In this study, liquid products from hydrotreating experiments with a hydrotreated distillate from delayed coking of Athabasca bitumen and sulfided Co-Mo and Ni-Mo catalysts have been analyzed by mass spectrometry. This completes a preliminary comparison of the kinetics of hydrogenation of alkylbenzenes, benzocycloparaffins and benzodicycloparaffins, the three major aromatic hydrocarbon types in these distillates.

  19. A New Protocol of Continuous-Variable Entanglement Distillation

    E-Print Network [OSTI]

    Shi Jin; Xian-Min Jin; Joshua Nunn; Animesh Datta; Ian Walmsley

    2012-10-16T23:59:59.000Z

    We introduce a new protocol in continuous variable entanglement distillation that requires only linear temporal and constant physical or spatial resources.Compared with the existing protocols, our protocol uses atom-photon entanglement to substitute for atom-atom entanglement in existing protol, which will not only save the number of quantum memories, but also has the advantages in operation efficiency and temporal saving. The distillation can be realized by a fixed model of iterations, in which only three quantum memories and photon detectors are required.

  20. Parametric electric motor study

    SciTech Connect (OSTI)

    Adams, D. [Lockheed Martin Energy Systems, Inc., Oak Ridge, TN (United States); Stahura, D. [GM-AC Delco Systems, Indianapolis, IN (United States)

    1995-04-30T23:59:59.000Z

    Technology for the axial gap motor was developed by DOE with an investment of approximately $15 million. This development effort is for motor technologies of high power density and high efficiency. Such motors that are also small and light-weight are not available on the commercial market because high-power motors have typically been used in large industrial applications where small size and light weight are not requirements. AC Delco has been developing motors since 1918 and is interested in leveraging its research and development dollars to produce an array of motor systems for vehicles and to develop a future line of propulsion products. The DOE focus of the study was applied to machining applications. The most attractive feature of this motor is the axial air gap, which may make possible the removal of the motor`s stationary component from a total enclosure of the remainder of the machine if the power characteristics are adequate. The objectives of this project were to evaluate alternative electric drive systems for machine tools and automotive electric drive systems and to select a best machine type for each of those applications. A major challenge of this project was to produce a small, light-weight, highly efficient motor at a cost-effective price. The project developed machine and machine drive systems and design criteria for the range of applications. The final results included the creation of a baseline for developing electric vehicle powertrain system designs, conventional vehicle engine support system designs, and advanced machine tool configurations. In addition, an axial gap permanent magnet motor was built and tested, and gave, said one engineer involved, a sterling performance. This effort will commercialize advanced motor technology and extend knowledge and design capability in the most efficient electric machine design known today.

  1. Energy Efficient Motors

    E-Print Network [OSTI]

    Hoffmeyer, W.

    1982-01-01T23:59:59.000Z

    , and how to interpret efficiency data. A perspective is given from which to evaluate available energy efficient motor offerings for a given application....

  2. Hybrid vehicle motor alignment

    DOE Patents [OSTI]

    Levin, Michael Benjamin (Ann Arbor, MI)

    2001-07-03T23:59:59.000Z

    A rotor of an electric motor for a motor vehicle is aligned to an axis of rotation for a crankshaft of an internal combustion engine having an internal combustion engine and an electric motor. A locator is provided on the crankshaft, a piloting tool is located radially by the first locator to the crankshaft. A stator of the electric motor is aligned to a second locator provided on the piloting tool. The stator is secured to the engine block. The rotor is aligned to the crankshaft and secured thereto.

  3. Neural correlates underlying motor map plasticity and skilled motor behavior

    E-Print Network [OSTI]

    Ramanathan, Dhakshin

    2007-01-01T23:59:59.000Z

    of neurons within the motor cortex. Physiol Rev, 1975. 55(and S.P. Wise, The motor cortex of the rat: cytoarchitecturedelayed changes of rat motor cortical output representation

  4. "Distillation, Absorption and Extraction" April 5-6, 2001 in Bamberg,, Halvorsen NTNU Department of Chemical Engineering

    E-Print Network [OSTI]

    Skogestad, Sigurd

    "Distillation, Absorption and Extraction" April 5-6, 2001 in Bamberg,, Halvorsen NTNU Department Distillation Arrangements by Ivar J. Halvorsen and Sigurd Skogestad Norwegian University of Science and Technology (NTNU) Department of Chemical Engineering Working Party on "Distillation, Absorption

  5. HYDROGEN DISTILLATION AT THE DEUTERIUM REMOVAL UNIT OF MuCap EXPERIMENT

    E-Print Network [OSTI]

    Titov, Anatoly

    321 HYDROGEN DISTILLATION AT THE DEUTERIUM REMOVAL UNIT OF MuCap EXPERIMENT I.A. Alekseev, E for manufacturing of ultra pure protium from hydrogen [2]. A principle of hydrogen cryogenic distillation was used

  6. December 13, 2012 The steady state model of a reactive distillation column for ethylene glycol

    E-Print Network [OSTI]

    Neumaier, Arnold

    December 13, 2012 The steady state model of a reactive distillation column for ethylene glycol in an ethylene glycol reactive distillation column. Ind. Eng. Chem. Res., 33:2738­2748, 1994. 3 #12;

  7. Application of a Plantwide Control Design Procedure to a Distillation Column with Heat Pump

    E-Print Network [OSTI]

    Skogestad, Sigurd

    (Larsson & Skogestad 2001) to a distillation column heat-integrated by using a heatpump. Top-down analysis) and apply it to a distillation column with heatpump. Plantwide control design should start by formulating

  8. Table A3. Refiner/Reseller Prices of Distillate and Residual...

    Gasoline and Diesel Fuel Update (EIA)

    A3. RefinerReseller Prices of Distillate and Residual Fuel Oils, by PAD District, 1983-Present (Cents per Gallon Excluding Taxes) Geographic Area Year No. 1 Distillate No. 2...

  9. Ontario Hydro Motor Efficiency Study

    E-Print Network [OSTI]

    Dautovich, D. R.

    1980-01-01T23:59:59.000Z

    Electric motors consume more than one-half of the electrical energy produced by Ontario Hydro. In the residential sector, the major motor load is for refrigerators and freezers while packaged equipment dominate the motor load in the commercial...

  10. Motor Vehicle Record Procedure Objective

    E-Print Network [OSTI]

    Kirschner, Denise

    Motor Vehicle Record Procedure Objective Outline the procedure for obtaining motor vehicle record (MVR) through Fleet Services. Vehicle Operator Policy 3. Operators with 7 or more points on their motor vehicle record

  11. Separation of Azeotropic Mixtures in Closed Batch Distillation Arrangements

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Separation of Azeotropic Mixtures in Closed Batch Distillation Arrangements S. Skouras and S to obtain a light and a heavy fraction simultaneously from the top and the bottom of the column, while an intermediate fraction may also be recovered in the middle vessel. Two modifications of the multivessel

  12. Optimal distillation of three-qubit W states

    E-Print Network [OSTI]

    Ali Yildiz

    2010-07-19T23:59:59.000Z

    Some of the asymmetric three qubit $W$ states are used for perfect teleportation, superdense coding and quantum information splitting. We present the protocols for the optimal distillation of the asymmetric as well as the symmetric $W$ states from a single copy of any three qubit $W$ class pure state.

  13. The application of continuation methods in solving steady-state distillation problems

    E-Print Network [OSTI]

    Ellis, Mark Francis

    1985-01-01T23:59:59.000Z

    80 101 105 CHAPTER I INTRODUCTION Distillation is the most common separ ation process in the chemical and petroleum industr ies. A ma]or tool in the design of distillation columns is steady-state distillation simulation. Also, steady-stat. e...'s Equation 98 B BIFURCATION AND TURNING POINTS ON CONTINUATION PATHS 100 C FORMULATION OF MATHEMATICAI MODELS USED IN EXAMPLE PROBLEMS 104 Problem 1 ? A Conventional Distillation Column Separating an Ideal Solution Problem 2 ? A Conventional...

  14. Stepping motor controller

    DOE Patents [OSTI]

    Bourret, S.C.; Swansen, J.E.

    1982-07-02T23:59:59.000Z

    A stepping motor is microprocessor controlled by digital circuitry which monitors the output of a shaft encoder adjustably secured to the stepping motor and generates a subsequent stepping pulse only after the preceding step has occurred and a fixed delay has expired. The fixed delay is variable on a real-time basis to provide for smooth and controlled deceleration.

  15. Integrated Column Designs for Minimum Energy and Entropy Requirements in Multicomponent Distillation

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Distillation Ivar J. Halvorsen1 and Sigurd Skogestad Norwegian University of Science and Technology, Department at the Topical conference on Separations Technology, Session 23 - Distillation Modeling and Processes II. 2001 Column Designs for Minimum Energy and Entropy Requirements in Multicomponent Distillation Ivar J

  16. Control Study of Ethyl tert-Butyl Ether Reactive Distillation Muhammad A. Al-Arfaj

    E-Print Network [OSTI]

    Al-Arfaj, Muhammad A.

    Control Study of Ethyl tert-Butyl Ether Reactive Distillation Muhammad A. Al-Arfaj Department structures for ethyl tert-butyl ether (ETBE) reactive distillation columns are studied. Two process The use of reactive distillation has grown in recent years because it results in less expensive and more

  17. Rejection and fate of trace organic compounds (TrOCs) during membrane distillation

    E-Print Network [OSTI]

    Rejection and fate of trace organic compounds (TrOCs) during membrane distillation Kaushalya COCs) Direct contact membrane distillation (DCMD) Volatility Fate and transport Hydrophobicity/hydrophilicity a b s t r a c t In this study, we examined the feasibility of membrane distillation (MD) for removing

  18. The dos and don'ts of distillation column control Sigurd Skogestad*

    E-Print Network [OSTI]

    Skogestad, Sigurd

    The dos and don'ts of distillation column control Sigurd Skogestad* Department of Chemical discusses distillation column control within the general framework of plantwide control. In addition for distillation columns. The standard LV-configuration combined with a fast temperature loop is recommended

  19. Comparison of Alternative Control Structures for an Ideal Two-Product Reactive Distillation Column

    E-Print Network [OSTI]

    Al-Arfaj, Muhammad A.

    Comparison of Alternative Control Structures for an Ideal Two-Product Reactive Distillation Column distillation columns have been explored in many papers, very few papers have dealt with closed-loop control. Most of these control papers consider reactive distillation columns in which there is only one product

  20. MULTIVESSEL BATCH DISTILLATION SIGURD SKOGESTAD 1 , BERND WITTGENS, EVA S RENSEN 2

    E-Print Network [OSTI]

    Skogestad, Sigurd

    MULTIVESSEL BATCH DISTILLATION SIGURD SKOGESTAD 1 , BERND WITTGENS, EVA S RENSEN 2 and RAJAB LITTO column presented in this paper provides a generalization of previously proposed batch distillation schemes. The economic potential of the multivessel batch distillation under total re ux is demon- strated

  1. Graphical Visualisation of Minimum Energy Requirements for Multi-Effect Distillation Arrangements

    E-Print Network [OSTI]

    Skogestad, Sigurd

    1 Graphical Visualisation of Minimum Energy Requirements for Multi-Effect Distillation Arrangements-integrated multi-effect and three non-integrated distillation arrangements for separating a ternary mixture have been considered. The focus of the paper is on a heat-integrated complex distillation configuration

  2. Experimental and Theoretical Studies on the Start-Up Operation of a Multivessel Batch Distillation Column

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Experimental and Theoretical Studies on the Start-Up Operation of a Multivessel Batch DistillationVersity of Science and Technology, Trondheim, Norway Multivessel batch distillation is a promising alternative to conventional batch distillation. Earlier studies proved the feasibility of temperature control in a closed

  3. On the Dynamics of Batch Distillation : A Study of Parametric Sensitivity in Ideal

    E-Print Network [OSTI]

    Skogestad, Sigurd

    On the Dynamics of Batch Distillation : A Study of Parametric Sensitivity in Ideal Binary Columns distillation processes. By considering the e ect of small changes in the operating parameters, e.g., initial-mail: jacobsen@elixir.e.kth.se 1 #12;1 Introduction Batch distillation has become of increasing importance

  4. Optimization of a Diabatic Distillation Column with Sequential Heat Edward Steven Jimenez and Peter Salamon*

    E-Print Network [OSTI]

    Salamon, Peter

    Optimization of a Diabatic Distillation Column with Sequential Heat Exchangers Edward Steven of Copenhagen, Copenhagen, Denmark Diabatic distillation is a separation process in which heat is transferred is enormous because distillation is the single largest energy degrading unit operation worldwide. Introduction

  5. T. Larsson, S. Skogestad Control of a industrial heat integrated distillation column Control of a industrial

    E-Print Network [OSTI]

    Skogestad, Sigurd

    T. Larsson, S. Skogestad Control of a industrial heat integrated distillation column Control of a industrial heat integrated distillation column Truls Larsson Sigurd Skogestad ÝDepartment of Chemical. Larsson, S. Skogestad Control of a industrial heat integrated distillation column The process QH column

  6. THE DYNAMIC BEHAVIOR OF CASCADE PROCESSES --WITH APPLICATION TO DISTILLATION COLUMNS

    E-Print Network [OSTI]

    Skogestad, Sigurd

    THE DYNAMIC BEHAVIOR OF CASCADE PROCESSES --WITH APPLICATION TO DISTILLATION COLUMNS John Morud that a subsystem is influenced only by its nabor subsystems. An example of such a process is a distillation column in high purity distillation columns; in fact, the magnitude of these time constants may increase

  7. Topic Distillation with Query-Dependent Link Connections and Page Characteristics

    E-Print Network [OSTI]

    Wu, Mingfang

    6 Topic Distillation with Query-Dependent Link Connections and Page Characteristics MINGFANG WU about a topic. Finding such results is called topic distillation. Previous research has shown statistics. This article presents a new approach to improve topic distillation by exploring the use

  8. Use of Two Distillation Columns in Systems with Maximum Temperature Limitations

    E-Print Network [OSTI]

    Gilchrist, James F.

    Use of Two Distillation Columns in Systems with Maximum Temperature Limitations Rebecca H. Masel, Pennsylvania 18015, United States ABSTRACT: Maximum temperature limitations are encountered in distillation of the bottoms product fixes the column base pressure and, hence, the condenser pressure. The distillate

  9. On the Dynamics of Batch Distillation : A Study of Parametric Sensitivity in Ideal

    E-Print Network [OSTI]

    Skogestad, Sigurd

    On the Dynamics of Batch Distillation : A Study of Parametric Sensitivity in Ideal Binary Columns sensitivity in batch distillation processes. By considering the effect of small changes in the operating #12; 1 Introduction Batch distillation has become of increasing importance in industry during the last

  10. Know-Center at TREC 2009 Blog Distillation Task: A Notebook Paper

    E-Print Network [OSTI]

    Hammerton, James

    Know-Center at TREC 2009 Blog Distillation Task: A Notebook Paper Elisabeth Lex, Michael Granitzer,mgrani,ajuffinger}@know-center.at Abstract. This paper outlines our experiments carried out at TREC 2009 Blog Distillation Task. Our system, specifically the blog distillation task, exactly this problem is addressed. The goal of the track is to rank

  11. MULTIVESSEL BATCH DISTILLATION -EXPERIMENTAL VERIFICATION Bernd Wittgens and Sigurd Skogestad1

    E-Print Network [OSTI]

    Skogestad, Sigurd

    MULTIVESSEL BATCH DISTILLATION -EXPERIMENTAL VERIFICATION Bernd Wittgens and Sigurd Skogestad1 The experimental veri cation of the operation of a multivessel batch distillation column, operated under total re vessels, provides a generalization of previously proposed batch distillation schemes. We propose a simple

  12. Optimal Allocation of Heat Exchanger Inventory in a Serial Type Diabatic Distillation Column

    E-Print Network [OSTI]

    Salamon, Peter

    Optimal Allocation of Heat Exchanger Inventory in a Serial Type Diabatic Distillation Column Edward Abstract Diabatic distillation is a separation process in which heat is transferred on the trays inside savings is through diabatic distillation. Instead of just one heat source (the reboiler) and one heat sink

  13. Integrated Design, Operation and Control of Batch Extractive Distillation with a Middle Vessel

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Integrated Design, Operation and Control of Batch Extractive Distillation with a Middle Vessel E. K distillation for separating homogeneous minimum-boiling azeotropic mixtures, where the extractive agent and a control structure for the batch extractive middle vessel distillation is proposed. In extractive

  14. Optimization of Distillation Processes. Jos A. Caballero* and Ignacio E. Grossmann**

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    Optimization of Distillation Processes. José A. Caballero* and Ignacio E. Grossmann** *Dept and a single condenser in the entire sequence. We also review the rigorous design of distillation columns, or column sequences. In all the cases we focus on mathematical programming approaches. Keywords Distillation

  15. Enhanced Topic Distillation using Text, Markup Tags, and Hyperlinks Soumen Chakrabarti

    E-Print Network [OSTI]

    Chakrabarti, Soumen

    Enhanced Topic Distillation using Text, Markup Tags, and Hyperlinks Soumen Chakrabarti Mukul Joshi Vivek Tawde IIT Bombay ABSTRACT Topic distillation is the analysis of hyperlink graph structure to authorities). Topic distillation is becoming common in Web search engines, but the best-known algorithms model

  16. Design of Extraction Column Methanol Recovery System for the TAME Reactive Distillation Process

    E-Print Network [OSTI]

    Al-Arfaj, Muhammad A.

    Design of Extraction Column Methanol Recovery System for the TAME Reactive Distillation Process system for TAME reactive distillation process using extraction column with water as a solvent. The design distillation column which was optimized to recover methanol and recycle water to the extraction column. Other

  17. DISTILLATION DES LIQUIDES SOUS L'INFLUENCE DE L'LECTRICIT STATIQUE; PAR M. D. GERNEZ.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    36I DISTILLATION DES LIQUIDES SOUS L'INFLUENCE DE L'ÉLECTRICITÉ STATIQUE; PAR M. D. GERNEZ. La décharge, la distillation se produit aussitôt en sens in- verse (2). Ce phénomène est extrêmemen t n e sens suivant lequel se produit cette distillation est contraire à celui que sem- bleraient indiquer les

  18. Non-interactive correlation distillation, inhomogeneous Markov chains, and the reverse Bonami-Beckner inequality

    E-Print Network [OSTI]

    O'Donnell, Ryan

    Non-interactive correlation distillation, inhomogeneous Markov chains, and the reverse Bonami In this paper we study non-interactive correlation distillation (NICD), a generalization of noise sen- sitivity distillation (NICD), previously considered in [5, 31, 39]. In its most general form the problem involves k

  19. Retrieval and Feedback Models for Blog Distillation Jonathan Elsas, Jaime Arguello, Jamie Callan, Jaime Carbonell

    E-Print Network [OSTI]

    Carbonell, Jaime

    Retrieval and Feedback Models for Blog Distillation Jonathan Elsas, Jaime Arguello, Jamie Callan and results for the Feed Distillation task in the Blog track at TREC 2007. Our experiments focus on two Wikipedia. 1 Introduction Blog distillation (or "feed search") is the task of finding blog feeds

  20. Assured Information Distillation in Social Sensing University of Illinois at Urbana-Champaign

    E-Print Network [OSTI]

    Garibaldi, Skip

    Colloquium Assured Information Distillation in Social Sensing Dong Wang University of Illinois. This opens up unprecedented challenges and opportunities in social sensing, where the goal is to distill, social and physical networks. The talk will also introduce a new information distillation system we built

  1. MULTIVESSEL BATCH DISTILLATION SIGURD SKOGESTAD 1 , BERND WITTGENS, EVA SRENSEN 2

    E-Print Network [OSTI]

    Skogestad, Sigurd

    MULTIVESSEL BATCH DISTILLATION SIGURD SKOGESTAD 1 , BERND WITTGENS, EVA SØRENSEN 2 and RAJAB LITTO column presented in this paper provides a generalization of previously proposed batch distillation schemes. The economic potential of the multivessel batch distillation under total reflux is demon­ strated

  2. Non-interactive correlation distillation, inhomogeneous Markov chains, and the reverse

    E-Print Network [OSTI]

    Regev, Oded

    Non-interactive correlation distillation, inhomogeneous Markov chains, and the reverse Bonami In this paper we study non-interactive correlation distillation (NICD), a generalization of noise sensitivity in this paper is the problem of non-interactive correlation distil- lation (NICD), previously considered in [5

  3. Optimal Operation of a Petlyuk Distillation Column: Energy Savings by Over-fractionating

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Optimal Operation of a Petlyuk Distillation Column: Energy Savings by Over-fractionating Vidar Trondheim, Norway Keywords: Distillation, Petlyuk, Divided-wall, Minimum energy Abstract This paper shows the unexpected result that over-fractionating one of the product streams in a Petlyuk distillation column may

  4. Sustainable operation of membrane distillation for enhancement of mineral recovery from hypersaline solutions

    E-Print Network [OSTI]

    Sustainable operation of membrane distillation for enhancement of mineral recovery from hypersaline December 2013 Available online 25 December 2013 Keywords: Membrane distillation Desalination Hypersaline brine Scaling Membrane cleaning Evaporation pond a b s t r a c t Membrane distillation (MD

  5. Noisy Processing and the Distillation of Private States Joseph M. Renes1

    E-Print Network [OSTI]

    Noisy Processing and the Distillation of Private States Joseph M. Renes1 and Graeme Smith2 1 general private state is distilled. Besides a more general target state, the usual entanglement distillation tools are employed (in par- ticular, Calderbank-Shor-Steane (CSS)-like codes), with the crucial

  6. THE DYNAMIC BEHAVIOR OF CASCADE PROCESSES WITH APPLICATION TO DISTILLATION COLUMNS

    E-Print Network [OSTI]

    Skogestad, Sigurd

    THE DYNAMIC BEHAVIOR OF CASCADE PROCESSES WITH APPLICATION TO DISTILLATION COLUMNS John Morud that a subsystem is in uenced only by its nabor subsystems. An example of such a process is a distillation column in high purity distillation columns; in fact, the magnitude of these time constants may increase

  7. A globally convergent method for finding all steady-state solutions of distillation columns

    E-Print Network [OSTI]

    Neumaier, Arnold

    A globally convergent method for finding all steady-state solutions of distillation columns Ali distillation column with 7 steady-states show the robustness of the method. No published software known to the steady-state model of distillation columns as it returns the original system as a single large block

  8. Distillation Codes and Applications to DoS Resistant Multicast Authentication

    E-Print Network [OSTI]

    Perrig, Adrian

    Distillation Codes and Applications to DoS Resistant Multicast Authentication Chris Karlof UC We introduce distillation codes, a method for streaming and storing data. Like erasure codes, distillation codes allow information to be decoded from a sufficiently large quorum of symbols. In contrast

  9. Synthesizing Representative I/O Workloads Using Iterative Distillation Zachary Kurmas

    E-Print Network [OSTI]

    Kurmas, Zachary

    Synthesizing Representative I/O Workloads Using Iterative Distillation Zachary Kurmas College proper- ties are "key" for a given workload and storage system. We have developed a tool, the Distiller, that automati- cally identifies the key properties ("attribute-values") of the workload. The Distiller then uses

  10. Integrated Design, Operation and Control of Batch Extractive Distillation with a Middle Vessel

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Integrated Design, Operation and Control of Batch Extractive Distillation with a Middle Vessel E. K distillation for separating homogeneous minimum­boiling azeotropic mixtures, where the extractive agent and a control structure for the batch extractive middle vessel distillation is proposed. In extractive

  11. Integrating the Document Object Model with Hyperlinks for Enhanced Topic Distillation and Information Extraction

    E-Print Network [OSTI]

    Chakrabarti, Soumen

    Integrating the Document Object Model with Hyperlinks for Enhanced Topic Distillation://www.cse.iitb.ernet.in/~soumen ABSTRACT Topic distillation is the process of finding authoritative Web pages and comprehensive "hubs distillation has been traditionally applied to a macroscopic Web model where documents are nodes in a directed

  12. SEPARATION OF TERNARY HETEROAZEOTROPIC MIXTURES IN A CLOSED MULTIVESSEL BATCH DISTILLATION-DECANTER HYBRID

    E-Print Network [OSTI]

    Skogestad, Sigurd

    SEPARATION OF TERNARY HETEROAZEOTROPIC MIXTURES IN A CLOSED MULTIVESSEL BATCH DISTILLATION, Trondheim, Norway The feasibility of a novel multivessel batch distillation-decanter hybrid for simultaneous enables us to make direct use of the distillation line (or residue curve) map. Simple rules for predicting

  13. Endorsements and rebuttals in blog distillation q Giacomo Berardi, Andrea Esuli, Fabrizio Sebastiani

    E-Print Network [OSTI]

    Sebastiani, Fabrizio

    Endorsements and rebuttals in blog distillation q Giacomo Berardi, Andrea Esuli, Fabrizio in revised form 10 May 2013 Accepted 30 May 2013 Available online 14 June 2013 Keywords: Blog distillation to blog distillation, defined as the task in which, given a user query, the system ranks the blogs

  14. Complex Distillation Arrangements 23.May 2001 by I.Halvorsen NTNU Department of Chemical Engineering

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Complex Distillation Arrangements 23.May 2001 by I.Halvorsen NTNU Department of Chemical Engineering 1 Minimum Energy Requirements in Complex Distillation Arrangements A thesis submitted for the degree of dr. ing. 23. May 2001 by Ivar J. Halvorsen #12;Complex Distillation Arrangements 23.May 2001

  15. T. Larsson, S. Skogestad Control of a industrial heat integrated distillation column Control of a industrial

    E-Print Network [OSTI]

    Skogestad, Sigurd

    T. Larsson, S. Skogestad Control of a industrial heat integrated distillation column Control of a industrial heat integrated distillation column Truls Larsson Sigurd Skogestad y Department of Chemical. Larsson, S. Skogestad Control of a industrial heat integrated distillation column The process Q H column

  16. Manifold-based starting point generation and its application to distillation

    E-Print Network [OSTI]

    Neumaier, Arnold

    Manifold-based starting point generation and its application to distillation Ali Baharev*, Ferenc-states in homogeneous azeotropic distillation . . . . . . . . . . 11 5.2 Multiple steady-states in ideal two-product distillation . . . . . . . . . . . . . . 11 6 Conclusion 13 A Ordering sparse matrices 14 A.1 Ordering to block

  17. Distillation Absorption 2010 A.B. de Haan, H. Kooijman and A. Grak (Editors)

    E-Print Network [OSTI]

    Skogestad, Sigurd

    structure design. Keywords: Kaibel column, thermally coupled distillation columns, optimal operation 1J.Halvorsen@sintef.no Abstract The objective of this paper is to study the Kaibel distillation column from operability point. Introduction The thermally-coupled Petlyuk 1 distillation column separates the feed into three products

  18. Distillation Absorption 2010 A.B. de Haan, H. Kooijman and A. Grak (Editors)

    E-Print Network [OSTI]

    Skogestad, Sigurd

    is a viable option in present case. Keywords: Distillation, Energy saving, Dividing wall column, Thermal challenge is to design distillation systems that at the same time are sustainable and economically feasibleDistillation Absorption 2010 A.B. de Haan, H. Kooijman and A. Górak (Editors) All rights reserved

  19. Optimal Synthesis of Thermally Coupled Distillation Sequences Using a Novel MILP Approach.

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    . Pittsburgh, PA. USA. Abstract This paper introduces a novel MILP approach for the design of distillation Column; Superstructure optimization; GDP. Introduction Distillation is the most widely used method distillation (TCD), in which heat is directly transferred between columns through two streams (liquid a vapor

  20. Active Constraint Regions for Optimal Operation of Distillation Magnus G. Jacobsen and Sigurd Skogestad*

    E-Print Network [OSTI]

    Skogestad, Sigurd

    , NTNU, N-7491, Trondheim, Norway ABSTRACT: When designing the control structure of distillation columnsActive Constraint Regions for Optimal Operation of Distillation Columns Magnus G. Jacobsen presented in an earlier paper, to find how the active constraints for distillation columns change

  1. Model predictive control of a pilot-scale distillation column using a programmable automation controller

    E-Print Network [OSTI]

    Model predictive control of a pilot-scale distillation column using a programmable automation). The controller is tested on a pilot-scale binary distillation column to track reference temperatures. A majorRIO) to control a pilot-scale binary distillation col- umn. Both the PI-controllers and the supervising online MPC

  2. Asymptotic Analysis of Cooperative Molecular Motor System

    E-Print Network [OSTI]

    Durrett, Richard

    Mesoscale Model for Collections of Molecular Motors Stochastic Asymptotic Techniques #12;Molecular Motors

  3. System and method for motor parameter estimation

    DOE Patents [OSTI]

    Luhrs, Bin; Yan, Ting

    2014-03-18T23:59:59.000Z

    A system and method for determining unknown values of certain motor parameters includes a motor input device connectable to an electric motor having associated therewith values for known motor parameters and an unknown value of at least one motor parameter. The motor input device includes a processing unit that receives a first input from the electric motor comprising values for the known motor parameters for the electric motor and receive a second input comprising motor data on a plurality of reference motors, including values for motor parameters corresponding to the known motor parameters of the electric motor and values for motor parameters corresponding to the at least one unknown motor parameter value of the electric motor. The processor determines the unknown value of the at least one motor parameter from the first input and the second input and determines a motor management strategy for the electric motor based thereon.

  4. Motor processes 1 Motor Processes in Mental Rotation1

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Motor processes 1 Motor Processes in Mental Rotation1 1 M.W. wishes to thank the LPPA for its are at least in part guided by motor processes, even in the case of images of abstract objects rather than of a specific motor action. We directly test the hypothesis by means of a dual-task paradigm in which subjects

  5. Justification for Energy Efficient Motors

    E-Print Network [OSTI]

    Buschart, R. J.

    1981-01-01T23:59:59.000Z

    This paper presents the results of a study of Energy Efficient (or EE) motors in NEMA frame sizes, (1-200 HP). It examines the economics of using EE motors for new motor requirements, as replacements for motors - instead of rewinding...

  6. Markov Process of Muscle Motors

    E-Print Network [OSTI]

    Yu. Kondratiev; E. Pechersky; S. Pirogov

    2007-06-20T23:59:59.000Z

    We study a Markov random process describing a muscle molecular motor behavior. Every motor is either bound up with a thin filament or unbound. In the bound state the motor creates a force proportional to its displacement from the neutral position. In both states the motor spend an exponential time depending on the state. The thin filament moves at its velocity proportional to average of all displacements of all motors. We assume that the time which a motor stays at the bound state does not depend on its displacement. Then one can find an exact solution of a non-linear equation appearing in the limit of infinite number of the motors.

  7. Distillation and purification of symmetric entangled Gaussian states

    E-Print Network [OSTI]

    Jaromir Fiurasek

    2010-11-03T23:59:59.000Z

    We propose an entanglement distillation and purification scheme for symmetric two-mode entangled Gaussian states that allows to asymptotically extract a pure entangled Gaussian state from any input entangled symmetric Gaussian state. The proposed scheme is a modified and extended version of the entanglement distillation protocol originally developed by [Browne et al., Phys. Rev. A 67, 062320 (2003)]. A key feature of the present protocol is that it utilizes a two-copy de-Gaussification procedure that involves a Mach-Zehnder interferometer with single-mode non-Gaussian filters inserted in its two arms. The required non-Gaussian filtering operations can be implemented by coherently combining two sequences of single-photon addition and subtraction operations.

  8. Distillation of entanglement by projection on permutationally invariant subspaces

    E-Print Network [OSTI]

    Czechlewski, Miko?aj; Horodecki, Micha?; Mozrzymas, Marek; Studzi?ski, Micha?

    2011-01-01T23:59:59.000Z

    We consider distillation of entanglement from two qubit states which are mixtures of three mutually orthogonal states: two pure entangled states and one pure product state. We distill entanglement from such states by projecting n copies of the state on permutationally invariant subspace and then applying one-way hashing protocol. We find analytical expressions for the rate of the protocol. We also generalize this method to higher dimensional systems. To get analytical expression for two qubit case, we faced a mathematical problem of diagonalizing a family of matrices enjoying some symmetries w.r.t. to symmetric group. We have solved this problem in two ways: (i) directly, by use of Schur-Weyl decomposition and Young symmetrizers (ii) showing that the problem is equivalent to a problem of diagonalizing adjacency matrices in a particular instance of a so called algebraic association scheme.

  9. Hydroconversion of heavy oils. [Residue of tar sand bitumen distillation

    SciTech Connect (OSTI)

    Garg, D.

    1986-08-19T23:59:59.000Z

    A method is described for hydroconversion of feedstocks consisting essentially of at least one heavy hydrocarbon oil selected from the group consisting of residue of petroleum oil distillation and the residue of tar sand bitumen distillation to enhance the recovery of 350/sup 0/-650/sup 0/F boiling product fraction. The method comprises treating such feed stock with hydrogen at superatmospheric pressure and in the presence of finely divided active hydrogenation catalyst in consecutive reaction stages. An initial reaction stage is carried out at a temperature in the range of 780/sup 0/-825/sup 0/F, and a subsequent reaction stage is directly carried out after the initial reaction stage at a higher temperature in the range of 800/sup 0/F-860/sup 0/F, the temperature of the subsequent reaction stage being at least 20/sup 0/F higher than that of the initial reaction stage.

  10. Reducing the quantum computing overhead with complex gate distillation

    E-Print Network [OSTI]

    Guillaume Duclos-Cianci; David Poulin

    2014-03-20T23:59:59.000Z

    In leading fault-tolerant quantum computing schemes, accurate transformation are obtained by a two-stage process. In a first stage, a discrete, universal set of fault-tolerant operations is obtained by error-correcting noisy transformations and distilling resource states. In a second stage, arbitrary transformations are synthesized to desired accuracy by combining elements of this set into a circuit. Here, we present a scheme which merges these two stages into a single one, directly distilling complex transformations. We find that our scheme can reduce the total overhead to realize certain gates by up to a few orders of magnitude. In contrast to other schemes, this efficient gate synthesis does not require computationally intensive compilation algorithms, and a straightforward generalization of our scheme circumvents compilation and synthesis altogether.

  11. MotorWeek

    ScienceCinema (OSTI)

    None

    2013-04-19T23:59:59.000Z

    In 2008, PBS's MotorWeek, television's original automotive magazine, visited Argonne's Transportation Technology R&D Center "to learn what it really takes to make clean power sources a viable reality."

  12. Linear Motor Powered Transportation

    E-Print Network [OSTI]

    Thornton, Richard D.

    This special issue on linear-motor powered transportation covers both supporting technologies and innovative transport systems in various parts of the World, as this technology moves from the lab to commercial operations. ...

  13. Distillation of hydrogen isotopes for polarized HD target

    E-Print Network [OSTI]

    T. Ohta; S. Bouchigny; J. -P. Didelez; M. Fujiwara; K. Fukuda; H. Kohri; T. Kunimatsu; C. Morisaki; S. Ono; G. Rouill'; M. Tanaka; K. Ueda; M. Uraki; M. Utsuro; S. Y. Wang; M. Yosoi

    2011-12-12T23:59:59.000Z

    We have developed a cryogenic distillation system to purify Hydrogen-Deuteride (HD) gas for a polarized HD target in LEPS experiments at SPring-8. A small amount of ortho-H$_2$ ($\\sim$0.01%) in the HD gas plays an important role in efficiently polarizing the HD target. Since there are 1$\\sim$5% impurities of H$_2$ and D$_2$ in commercially available HD gases, it is inevitable that the HD gas is purified up to $\\sim$99.99%. The distillation system has a cryogenic pot (17$\\sim$21 K) containing many small stainless steel cells called Heli-pack. Commercial HD gas with an amount of 5.2 mol is fed into the pot. We carried out three distillation runs by changing temperatures (17.5 K and 20.5 K) and gas extraction speeds (1.3 ml/min and 5.2 ml/min). The extracted gas was analyzed by using a gas analyzer system combining a quadrupole mass spectrometer with a gas chromatograph. The HD gas of 1 mol with a purity better than 99.99% has been successfully obtained. The effective NTS (Number of Theoretical Stages), which is an indicator of the distillator performances, is obtained as 37.2$\\pm$0.6. This value is in reasonable agreement with a designed value of 37.9. The HD target is expected to be efficiently polarized under a well-controlled condition by doping an optimal amount of ortho-H$_2$ to the purified HD gas.

  14. Enhanced Separation Efficiency in Olefin/Paraffin Distillation

    Broader source: Energy.gov [DOE]

    This factsheet describes a research project whose main objective is to develop technologies to enhance separation efficiencies by replacing the conventional packing materials with hollow fiber membranes, which have a high specific area and separated channels for both liquid and vapor phases. The use of hollow fibers in distillation columns can help refineries decrease operating costs, reduce greenhouse gas emissions through reduced heating costs, and help expand U.S. refining capacity through improvements to existing sites, without large scale capital investment.

  15. An experimental and mathematical investigation of hydrocarbon steam distillation

    E-Print Network [OSTI]

    Langhoff, John Allan

    1984-01-01T23:59:59.000Z

    the Holland and Welch method was very good. The agreement between experimental and predicted separation data indicated the Holland and Welch method could be extended to calculate crude oil-water -vapor separations. A practical procedure using the Holland... and Welch method and simulated distillation data was developed to predict crude oil-water-vapor separations. The method was compared to experimental crude oil-water-vapor separation data obtained at saturated steam conditions of 378 F and 456 F...

  16. Reactive Distillation for Esterification of Bio-based Organic Acids

    SciTech Connect (OSTI)

    Fields, Nathan; Miller, Dennis J.; Asthana, Navinchandra S.; Kolah, Aspi K.; Vu, Dung; Lira, Carl T.

    2008-09-23T23:59:59.000Z

    The following is the final report of the three year research program to convert organic acids to their ethyl esters using reactive distillation. This report details the complete technical activities of research completed at Michigan State University for the period of October 1, 2003 to September 30, 2006, covering both reactive distillation research and development and the underlying thermodynamic and kinetic data required for successful and rigorous design of reactive distillation esterification processes. Specifically, this project has led to the development of economical, technically viable processes for ethyl lactate, triethyl citrate and diethyl succinate production, and on a larger scale has added to the overall body of knowledge on applying fermentation based organic acids as platform chemicals in the emerging biorefinery. Organic acid esters constitute an attractive class of biorenewable chemicals that are made from corn or other renewable biomass carbohydrate feedstocks and replace analogous petroleum-based compounds, thus lessening U.S. dependence on foreign petroleum and enhancing overall biorefinery viability through production of value-added chemicals in parallel with biofuels production. Further, many of these ester products are candidates for fuel (particularly biodiesel) components, and thus will serve dual roles as both industrial chemicals and fuel enhancers in the emerging bioeconomy. The technical report from MSU is organized around the ethyl esters of four important biorenewables-based acids: lactic acid, citric acid, succinic acid, and propionic acid. Literature background on esterification and reactive distillation has been provided in Section One. Work on lactic acid is covered in Sections Two through Five, citric acid esterification in Sections Six and Seven, succinic acid in Section Eight, and propionic acid in Section Nine. Section Ten covers modeling of ester and organic acid vapor pressure properties using the SPEAD (Step Potential Equilibrium and Dynamics) method.

  17. Distillation of hydrogen isotopes for polarized HD target

    E-Print Network [OSTI]

    Ohta, T; Didelez, J -P; Fujiwara, M; Fukuda, K; Kohri, H; Kunimatsu, T; Morisaki, C; Ono, S; Rouill', G; Tanaka, M; Ueda, K; Uraki, M; Utsuro, M; Wang, S Y; Yosoi, M

    2011-01-01T23:59:59.000Z

    We have developed a cryogenic distillation system to purify Hydrogen-Deuteride (HD) gas for a polarized HD target in LEPS experiments at SPring-8. A small amount of ortho-H$_2$ ($\\sim$0.01%) in the HD gas plays an important role in efficiently polarizing the HD target. Since there are 1$\\sim$5% impurities of H$_2$ and D$_2$ in commercially available HD gases, it is inevitable that the HD gas is purified up to $\\sim$99.99%. The distillation system has a cryogenic pot (17$\\sim$21 K) containing many small stainless steel cells called Heli-pack. Commercial HD gas with an amount of 5.2 mol is fed into the pot. We carried out three distillation runs by changing temperatures (17.5 K and 20.5 K) and gas extraction speeds (1.3 ml/min and 5.2 ml/min). The extracted gas was analyzed by using a gas analyzer system combining a quadrupole mass spectrometer with a gas chromatograph. The HD gas of 1 mol with a purity better than 99.99% has been successfully obtained. The effective NTS (Number of Theoretical Stages), which is...

  18. MotorMaster+ International | Department of Energy

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

    of the capabilities and features of MotorMaster+. However, users can evaluate repairreplacement options on a broader range of motors, including 60 hertz (Hz) motors tested under...

  19. Motor Control CTIO 60 inches CHIRON

    E-Print Network [OSTI]

    Tokovinin, Andrei A.

    Motor Control CTIO 60 inches CHIRON CHI60HF8.1 La Serena, December 2010 #12;Contents..............................................................................................................................3 1. Image Slicer motor..............................................................................................................5 2. Focus motor

  20. Sensory-Motor Integration and Control

    E-Print Network [OSTI]

    Welch, Dan Bruce

    2011-01-01T23:59:59.000Z

    spinal interneurons during motor pattern generation inStep, Swim, and Scratch Motor Patterns in the Turtle. JStep, Swim, and Scratch Motor Patterns in the Turtle. J

  1. Commercial Motor Vehicle Brake-Related Research

    E-Print Network [OSTI]

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

  2. Brushless Motor Controller Report Spring 2010

    E-Print Network [OSTI]

    Ruina, Andy L.

    Brushless Motor Controller Report Spring 2010 May 15, 2010 Brian Clementi MAE of 2010 322 Bogert ...................................................................................................... 5 A. Motor Description...................................................................................................... 5 B. The Motor Controller Board

  3. Dynein Motor Domain Shows Ring-Shaped Motor, Buttress

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

    Dynein Motor Domain Shows Ring-Shaped Motor, Buttress Print Movement is fundamental to life. It takes place even at the cellular level where cargo is continually being transported...

  4. Design and prototyping methods for brushless motors and motor control

    E-Print Network [OSTI]

    Colton, Shane W. (Shane William)

    2010-01-01T23:59:59.000Z

    In this report, simple, low-cost design and prototyping methods for custom brushless permanent magnet synchronous motors are explored. Three case-study motors are used to develop, illustrate and validate the methods. Two ...

  5. Bound States for Magic State Distillation in Fault-Tolerant Quantum Computation

    E-Print Network [OSTI]

    Earl T. Campbell; Dan E. Browne

    2010-02-01T23:59:59.000Z

    Magic state distillation is an important primitive in fault-tolerant quantum computation. The magic states are pure non-stabilizer states which can be distilled from certain mixed non-stabilizer states via Clifford group operations alone. Because of the Gottesman-Knill theorem, mixtures of Pauli eigenstates are not expected to be magic state distillable, but it has been an open question whether all mixed states outside this set may be distilled. In this Letter we show that, when resources are finitely limited, non-distillable states exist outside the stabilizer octahedron. In analogy with the bound entangled states, which arise in entanglement theory, we call such states bound states for magic state distillation.

  6. Bent shaft motor

    DOE Patents [OSTI]

    Benavides, G.L.

    1998-05-05T23:59:59.000Z

    A nonelectromagnetic motor comprising a base, a bent shaft which is rotatable relative to the base wherein the bent shaft comprises a straight portion aligned with a main axis and an offset portion that is offset with respect to the main axis; and a drive means for driving the offset portion of the bent shaft along a generally circular path in a plane perpendicular to the main axis to rotate the bent shaft. The bent shaft and drive means for driving the bent shaft can be selected from piezoelectric, magnetostrictive, rheological and shape memory alloys. The drive means of the nonelectromagnetic motor can additionally comprise a shell which shell surrounds and houses the bent shaft and precesses or gyrates which in turn causes the bent drive shaft to rotate. The nonelectromagnetic motor does not rely on friction for the application of torque upon a rotor. 11 figs.

  7. Bent shaft motor

    DOE Patents [OSTI]

    Benavides, Gilbert L. (Albuquerque, NM)

    1998-01-01T23:59:59.000Z

    A nonelectromagnetic motor comprising a base, a bent shaft which is rotable relative to the base wherein the bent shaft comprises a straight portion aligned with a main axis and an offset portion that is offset with respect to the main axis; and a drive means for driving the offset portion of the bent shaft along a generally circular path in a plane perpendicular to the main axis to rotate the bent shaft. The bent shaft and drive means for driving the bent shaft can be selected from piezoelectric, magnetostrictive, rheological and shape memory alloys. The drive means of the nonelectromagnetic motor can additionally comprise a shell which shell surrounds and houses the bent shaft and precesses or gyrates which in turn causes the bent drive shaft to rotate. The nonelectromagnetic motor does not rely on friction for the application of torque upon a rotor.

  8. Efficient, Inexpensive Motors: A New Trend in The Motors Market

    E-Print Network [OSTI]

    Wroblewksi, R. G.

    EFFICIENT, INEXPENSIVE MOTORS: A NEW TREND IN THE MOTORS MARKET Ronald G. Wroblewski, P.E. Trainer and Consultant ABSTRACT The Consortiwn for Energy Efficiency (CEE) has established criteria for premium-efficiency motors above the EPACf... standard. CEE has set a wrifonn efficiency benchmark that all market players (manufacturers, utilities, and end-users) can use. Some end-users however, have been reluctant to specify these motors because they think they are too expensive...

  9. Multiple steady states during reactive distillation of methyl tert-butyl ether

    SciTech Connect (OSTI)

    Nijhuis, S.A. (Univ. of Amsterdam (Netherlands). Chemical Engineering Dept.); Kerkhof, F.P.J.M.; Mak, A.N.S. (Comprimo Engineers and Contractors, Amsterdam (Netherlands))

    1993-11-01T23:59:59.000Z

    This paper presents results of computer simulations of the synthesis of methyl tert-butyl ether (MTBE) in a fixed-bed reactor and in a reactive distillation column. These calculations clearly showed the advantages of MTBE synthesis in a catalytic distillation tower. Furthermore, the computer simulations showed that multiple steady states may occur in the reactive distillation column during MTBE synthesis in a broad range of operating conditions. An analysis of some sensitivity studies is presented.

  10. Method for assessing motor insulation on operating motors

    DOE Patents [OSTI]

    Kueck, John D. (Oak Ridge, TN); Otaduy, Pedro J. (Oak Ridge, TN)

    1997-01-01T23:59:59.000Z

    A method for monitoring the condition of electrical-motor-driven devices. The method is achieved by monitoring electrical variables associated with the functioning of an operating motor, applying these electrical variables to a three phase equivalent circuit and determining non-symmetrical faults in the operating motor based upon symmetrical components analysis techniques.

  11. Method for assessing motor insulation on operating motors

    DOE Patents [OSTI]

    Kueck, J.D.; Otaduy, P.J.

    1997-03-18T23:59:59.000Z

    A method for monitoring the condition of electrical-motor-driven devices is disclosed. The method is achieved by monitoring electrical variables associated with the functioning of an operating motor, applying these electrical variables to a three phase equivalent circuit and determining non-symmetrical faults in the operating motor based upon symmetrical components analysis techniques. 15 figs.

  12. DIFFUSION MEDIATED TRANSPORT AND THE BROWNIAN MOTOR

    E-Print Network [OSTI]

    DIFFUSION MEDIATED TRANSPORT AND THE BROWNIAN MOTOR David Kinderlehrer Center for Nonlinear in small viscous systems and provide brief illustrations to brownian motor or molecular rachet situations which are found in intracellular transport. Keywords: Brownian motor, molecular rachet, motor protein

  13. Evaluating High Efficiency Motor Retrofit

    E-Print Network [OSTI]

    Evans, T. A.

    1984-01-01T23:59:59.000Z

    In the petrochemical and refining Industries, and most manufacturing plants, the reliable operation of AC motors always has been crucial to the continuous operation of the process. Now, the cost of operating these motors has also become a...

  14. An approach for solvent selection in extractive distillation systems including safety considerations

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    of bioethanol, for which solvents that offer the best cost-safety compromise are identified. Keywords. Extractive distillation; Multiobjective optimization; Process safety; Solvents; Bioethanol 1. Introduction

  15. Table 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil...

    Gasoline and Diesel Fuel Update (EIA)

    Petroleum Marketing Annual 1998 295 Table 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil Volumes by PAD District and State (Thousand Gallons per Day) - Continued...

  16. Table 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil...

    Gasoline and Diesel Fuel Update (EIA)

    Petroleum Marketing Annual 1995 337 Table 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil Volumes by PAD District and State (Thousand Gallons per Day) - Continued...

  17. Table 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil...

    U.S. Energy Information Administration (EIA) Indexed Site

    Petroleum Marketing Annual 1999 295 Table 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil Volumes by PAD District and State (Thousand Gallons per Day) - Continued...

  18. Table A3. Refiner/Reseller Prices of Distillate and Residual...

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    Marketing Annual 1999 441 Table A3. RefinerReseller Prices of Distillate and Residual Fuel Oils, by PAD District, 1983-Present (Cents per Gallon Excluding Taxes) - Continued...

  19. RMP Colloquia Modeling molecular motors

    E-Print Network [OSTI]

    Jülicher, Frank

    The authors present general considerations and simple models for the operation of isothermal motors at small structural differences from the usual Carnot engines. Turning to more explicit models for a single motorRMP Colloquia Modeling molecular motors Frank Ju¨licher,* Armand Ajdari, and Jacques Prost

  20. Highly Efficient Electric Motor Systems

    E-Print Network [OSTI]

    over wider operating range with same size motor Uses up to 40% less electricity NREL Energy Forum;Annual Serviceable Addressable Market (SAM) for >1hp non-hermetic motors NREL Energy Forum November 2009Highly Efficient Electric Motor Systems NREL Energy Forum November 2009 www.novatorque.com Emily

  1. Kinematic Motor Learning Wolfram Schenck

    E-Print Network [OSTI]

    Moeller, Ralf

    Kinematic Motor Learning Wolfram Schenck Computer Engineering Group Faculty of Technology Bielefeld-521-106-6440 mail: wschenck@ti.uni-bielefeld.de Abstract This paper focuses on adaptive motor control in the kinematic domain. Several motor learning strategies from the literature are adopted to kinematic problems

  2. Motor Speech Disorders in Neurodevelopmental

    E-Print Network [OSTI]

    Shoubridge, Eric

    4/14/13 1 Motor Speech Disorders in Neurodevelopmental Syndromes Shelley Velleman University many graduate and undergraduate research assistants at UMass, U of Louisville, and UVM 2 Motor Speech difference/insult §Symptoms 3 Motor Speech Disorders Dysarthria: neurological bases §result of damage

  3. Magazine R729 Motor prediction

    E-Print Network [OSTI]

    Flanagan, Randy

    Magazine R729 Primer Motor prediction Daniel M. Wolpert* and J. Randall Flanagan The concept of motor prediction was first considered by Helmholtz when trying to understand how we localise visual position of the eye, predicted the gaze position based on a copy of the motor command acting on the eye

  4. MotorMaster database of three-phase electric motors

    SciTech Connect (OSTI)

    Stickney, B.L.

    1993-12-31T23:59:59.000Z

    Selecting the right motor for a new or replacement application used to be a daunting task. Making an intelligent choice involved a search through a stack of motor catalogs for information on efficiency, voltage, speed, horsepower, torque, service factor, power factor, frame type, and cost. The MotorMaster software package, available from the Washington State Energy Office, takes the drudgery out of motor selection by enabling rapid analysis of the most efficient and cost-effective single-speed three-phase induction motors. It has a built-in motor database, easy to use comparison and analysis features, and can calculate utility rebates and simple paybacks. By speeding the selection process and providing comprehensive economic justification for the final equipment choice, software tools like MotorMaster can become an important component of utility DSM programs. And as a bonus, wide use of such software may lead to more systematic and consistent use of energy efficient equipment.

  5. Effects of Ruminally Degradable Nitrogen in Diets Containing Wet Distiller’s Grains with Solubles and Steam-flaked Corn on Feedlot Cattle Performance and Carcass Characteristics

    E-Print Network [OSTI]

    Ponce, Christian

    2010-10-12T23:59:59.000Z

    plants, certain deviations of methods due to technologies employed at specific plants might explain some of the variation in nutritive value of the co-products. Holt and Pritchard (2004) determined nutrient variations of wet distiller?s grains... disappearance was 3.9%/h, and 47% of the CP present was ruminal escape protein. Crude protein values of up to 37.6% have been determined on samples collected directly from 4 plants (Holt and Pritchard, 2004). One nutritional limitation of WDGS...

  6. Optimal operation of a Petlyuk Distillation Column: Energy Savings by Over-fractionation

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Optimal operation of a Petlyuk Distillation Column: Energy Savings by Over-fractionation · The Petlyuk distillation column, see Figure 1(a), with a pre-fractionator (C1) and a main column (C21 and C22) N-7465 Trondheim, Norway Abstract This work shows the unexpected result that over-fractionating one

  7. Study of the Distillability of Werner States Using Entanglement Witnesses and Robust Semidefinite Programs

    E-Print Network [OSTI]

    Reinaldo O. Vianna; Andrew C. Doherty

    2006-08-11T23:59:59.000Z

    We use Robust Semidefinite Programs and Entanglement Witnesses to study the distillability of Werner states. We perform exact numerical calculations which show 2-undistillability in a region of the state space which was previously conjectured to be undistillable. We also introduce bases which yield interesting expressions for the {\\em distillability witnesses} and for a tensor product of Werner states with arbitrary number of copies.

  8. Use of Short-cut Methods to Analyse Optimal Operation of Petlyuk Distillation Columns

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Use of Short-cut Methods to Analyse Optimal Operation of Petlyuk Distillation Columns Ivar J: Petlyuk distillation column, dividing wall column, optimizing control, minimum energy 1. INTRODUCTION- ments for the level of automatic control and to the design of number of stages in each column section. 2

  9. Use of Shortcut Methods to Analyse Optimal Operation of Petlyuk Distillation Columns

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Use of Short­cut Methods to Analyse Optimal Operation of Petlyuk Distillation Columns Ivar J: Petlyuk distillation column, dividing wall column, optimizing control, minimum energy 1. INTRODUCTION­ ments for the level of automatic control and to the design of number of stages in each column section. 2

  10. Quantum distillation: Dynamical generation of low-entropy states of strongly correlated fermions in an optical lattice

    E-Print Network [OSTI]

    Tennessee, University of

    Quantum distillation: Dynamical generation of low-entropy states of strongly correlated fermions of double occupancies. We promote the notion of quantum distillation: during the expansion and in the case

  11. Low capital implementation of distributed distillation in ethylene recovery

    DOE Patents [OSTI]

    Reyneke, Rian; Foral, Michael J.; Lee, Guang-Chung

    2006-10-31T23:59:59.000Z

    An apparatus for recovering ethylene from a hydrocarbon feed stream, where the apparatus is a single distillation column pressure shell encasing an upper region and a lower region. The upper region houses an ethylene distributor rectifying section and the lower region houses a C2 distributor section and an ethylene distributor stripping section. Vapor passes from the lower region into the upper region, and liquid passes from the upper region to the lower region. The process for recovering the ethylene is also disclosed. The hydrocarbon feed stream is introduced into the C2 distributor section, and after a series of stripping and refluxing steps, distinct hydrocarbon products are recovered from the C2 distributor section, the ethylene distributor stripping section, and the ethylene distributor rectifying section, respectively.

  12. Comparison of advanced distillation control methods. Third annual report

    SciTech Connect (OSTI)

    Riggs, J.B.

    1997-07-01T23:59:59.000Z

    Detailed dynamic simulations of three industrial distillation columns (a propylene/propane splitter, a xylene/toluene column, and a depropanizer) have been used to study the issue of configuration selection for diagonal PI dual composition controls, feedforward from a feed composition analyzer, and decouplers. Auto Tune Variation (ATV) identification with on-line detuning for setpoint changes was used for tuning the diagonal proportional integral (PI) composition controls. In addition, robustness tests were conducted by inducting reboiler duty upsets. For single composition control, the (L, V) configuration was found to be best. For dual composition control, the optimum configuration changes from one column to another. Moreover, the use of analysis tools, such as RGA, appears to be of little value in identifying the optimum configuration for dual composition control. Using feedforward from a feed composition analyzer and using decouplers are shown to offer significant advantages for certain specific cases.

  13. Effects of system densities on distillation column performance

    SciTech Connect (OSTI)

    Fasesan, S.O.; Sanni, S.A.; Taiwo, E.A. [Obafemi Awolowo Univ., Ile-Ife (Nigeria). Dept. of Chemical Engineering

    1998-06-01T23:59:59.000Z

    Distillation experiments were carried out on three binary systems (ethanol-butanol, ethanol-propan-2-ol, and propan-2-ol-butanol) in a 0.1-m internal diameter glass column packed with 8 mm diameter Raschig rings. The experiments were performed under total reflux conditions and at atmospheric pressure. The data collected on column performance showed that performance declined with increasing average bulk liquid density. The results also lend credence to earlier reports on the behavior of column performance with respect to component concentration in the feed mixtures. The system densities of the three binary systems were measured at four different temperatures, 30, 40, 50, and 60 C. The data were compared with the predicted data of Yen-Woods and Multifluid models. The accuracy of the predictions of the Yen-Woods model was rather poor while that of the Multifluid model was very encouraging.

  14. Wind motor applications for transportation

    SciTech Connect (OSTI)

    Lysenko, G.P.; Grigoriev, B.V.; Karpin, K.B. [Moscow Aviation Inst. (Russian Federation)

    1996-12-31T23:59:59.000Z

    Motion equation for a vehicle equipped with a wind motor allows, taking into account the drag coefficients, to determine the optimal wind drag velocity in the wind motor`s plane, and hence, obtain all the necessary data for the wind wheel blades geometrical parameters definition. This optimal drag velocity significantly differs from the flow drag velocity which determines the maximum wind motor power. Solution of the motion equation with low drag coefficients indicates that the vehicle speed against the wind may be twice as the wind speed. One of possible transportation wind motor applications is its use on various ships. A ship with such a wind motor may be substantially easier to steer, and if certain devices are available, may proceed in autonomous control mode. Besides, it is capable of moving within narrow fairways. The cruise speed of a sailing boat and wind-motored ship were compared provided that the wind velocity direction changes along a harmonic law with regard to the motion direction. Mean dimensionless speed of the wind-motored ship appears to be by 20--25% higher than that of a sailing boat. There was analyzed a possibility of using the wind motors on planet rovers in Mars or Venus atmospheric conditions. A Mars rover power and motor system has been assessed for the power level of 3 kW.

  15. Ind. Eng. Chem. Res. 1996,34, 4395-4405 4396 Multiple Steady States and Instability in Distillation. Implications

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Ind. Eng. Chem. Res. 1996,34, 4395-4405 4396 Multiple Steady States and Instability in Distillation-7034 Trondheim, Norway The fact that distillation columns, even in the ideal binary case, may display addresses some implications of these phenomena for the operation and control of distillation columns. Under

  16. Design of Hybrid Distillation-Vapor Membrane Separation Systems. Jose A. Caballero*; Ignacio E. Grossmann **; Majid Keyvani+

    E-Print Network [OSTI]

    Grossmann, Ignacio E.

    Design of Hybrid Distillation-Vapor Membrane Separation Systems. Jose A. Caballero*; Ignacio E (ethane, propane) on a commercial scale is performed almost exclusively by cryogenic distillation to optimize and retrofit a hybrid separation system consisting of a distillation column and a parallel

  17. LA DISTILLATION a t introduite en Occident avec l'alchimie au cours du XIIe sicle. Par convention, on

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    LA DISTILLATION a été introduite en Occident avec l'alchimie au cours du XIIe siècle. Par Pseudo-Geber, distingue plusieurs façons de distiller et propose même une classi- fication de ces distillat (per descensum). La distillation par élévation des vapeurs, ou per ascensum, nécessite l

  18. MODELING, IDENTIFICATION AND CONTROL, 2000, VOL. 21, NO. 2, 83103 Evaluation of Dynamic Models of Distillation Columns with Emphasis

    E-Print Network [OSTI]

    Skogestad, Sigurd

    of Distillation Columns with Emphasis on the Initial Response BERND WITTGENS and SIGURD SKOGESTAD* Keywords: Distillation dynamics, tray hydraulics, experimental response The flow dynamics (tray hydraulics) are of key importance for the initial dynamic response of distillation columns. The most important parameters

  19. JMLR: Workshop and Conference Proceedings 29:116, 2014 ACML 2014 Sample Distillation for Object Detection and Image

    E-Print Network [OSTI]

    Fleuret, François

    JMLR: Workshop and Conference Proceedings 29:1­16, 2014 ACML 2014 Sample Distillation for Object different computer vision problems. First, we show that distillation can be used to improve the traditional bootstrap- ping approach to object detection. Second, we apply distillation to a classification problem

  20. Can the Operating Leaves of a Distillation Column Really Be Tshepo S. Modise, Michaela Tapp, Diane Hildebrandt,* and David Glasser

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Can the Operating Leaves of a Distillation Column Really Be Expanded? Tshepo S. Modise, Michaela to determine the operation leaves and hence the feasible region for distillation columns operating at a specific distillate and bottoms composition for all possible constant reflux and reboil ratios

  1. Measurement Reconciliation and Interpretation in Packed Distillation Column Operation Teck C. Lee and Colin S. Howat, Ph.D.

    E-Print Network [OSTI]

    Howat, Colin S. "Chip"

    . To overcome this limitation, a pilot plant scale, packed distillation column was designed, built, and tested plant scale, packed distillation column was designed, built, and tested. This column can be operatedMeasurement Reconciliation and Interpretation in Packed Distillation Column Operation Teck C. Lee

  2. Using MotorMaster to Track Motor Inventory and Analyze Purchasing Decisions

    E-Print Network [OSTI]

    Brown, M.; Meffort, W.

    2007-01-01T23:59:59.000Z

    maintenance actions and to analyze motor replacement options. The approach used to secure and enter motor nameplate data along with examples of purchasing analyses completed will be presented. The success of the MotorMaster software with large motors has...

  3. How to Build a Motor

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

    Motor Sign In About | Careers | Contact | Investors | bpa.gov Search News & Us Expand News & Us Projects & Initiatives Expand Projects & Initiatives Finance & Rates Expand...

  4. Tesla Motors | Department of Energy

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

    465 million loan arrangement with Tesla Motors, Inc. to produce specially designed, all-electric plug-in vehicles; and to develop a manufacturing facility to produce battery...

  5. Evaluating High Efficiency Motor Retrofit 

    E-Print Network [OSTI]

    Evans, T. A.

    1984-01-01T23:59:59.000Z

    OPERATING COST Although It would seem that most peoPlel un derstand the re I atlonsh I p beneen the fIrst cost and operating cost for motors, that's not the case. The purchase price of a standard efficIency 50 HP enclosed motor I s about $2000. Operatl...Ife, the energy efficIent motor will save about $7100 - assum f ng power costs grow as forecasted. That's why the co nom J cs of Energy $aver motors are so attractIve. The savIngs, assuming continuous operatIon at a 5i/kWh power cost, range from $300 per year...

  6. An Adaptive Entanglement Distillation Scheme Using Quantum Low Density Parity Check Codes

    E-Print Network [OSTI]

    K. H. Ho; H. F. Chau

    2008-07-14T23:59:59.000Z

    Quantum low density parity check (QLDPC) codes are useful primitives for quantum information processing because they can be encoded and decoded efficiently. Besides, the error correcting capability of a few QLDPC codes exceeds the quantum Gilbert-Varshamov bound. Here, we report a numerical performance analysis of an adaptive entanglement distillation scheme using QLDPC codes. In particular, we find that the expected yield of our adaptive distillation scheme to combat depolarization errors exceed that of Leung and Shor whenever the error probability is less than about 0.07 or greater than about 0.28. This finding illustrates the effectiveness of using QLDPC codes in entanglement distillation.

  7. Lower Bound of Concurrence and Distillation for Arbitrary Dimensional Bipartite Quantum States

    E-Print Network [OSTI]

    Zhao, Ming-Jing; Fei, Shao-Ming; Li-Jost, Xianqing; 10.1103/PhysRevA.84.062322

    2011-01-01T23:59:59.000Z

    We present a lower bound of concurrence for arbitrary dimensional bipartite quantum states. This lower bound may be used to improve all the known lower bounds of concurrence. Moreover, the lower bound gives rise to an operational sufficient criterion of distillability of quantum entanglement. The significance of our result is illustrated by quantitative evaluation of entanglement for entangled states that fail to be identified by the usual concurrence estimation method, and by showing the distillability of mixed states that can not be recognized by other distillability criteria.

  8. On the distillation and purification of phase-diffused squeezed states

    E-Print Network [OSTI]

    B. Hage; A. Franzen; J. DiGuglielmo; P. Marek; J. Fiurášek; R. Schnabel

    2007-07-17T23:59:59.000Z

    Recently it was discovered that non-Gaussian decoherence processes, such as phase-diffusion, can be counteracted by purification and distillation protocols that are solely built on Gaussian operations. Here, we make use of this experimentally highly accessible regime, and provide a detailed experimental and theoretical analysis of several strategies for purification/distillation protocols on phase-diffused squeezed states. Our results provide valuable information for the optimization of such protocols with respect to the choice of the trigger quadrature, the trigger threshold value and the probability of generating a distilled state.

  9. Lower Bound of Concurrence and Distillation for Arbitrary Dimensional Bipartite Quantum States

    E-Print Network [OSTI]

    Ming-Jing Zhao; Xue-Na Zhu; Shao-Ming Fei; Xianqing Li-Jost

    2011-12-23T23:59:59.000Z

    We present a lower bound of concurrence for arbitrary dimensional bipartite quantum states. This lower bound may be used to improve all the known lower bounds of concurrence. Moreover, the lower bound gives rise to an operational sufficient criterion of distillability of quantum entanglement. The significance of our result is illustrated by quantitative evaluation of entanglement for entangled states that fail to be identified by the usual concurrence estimation method, and by showing the distillability of mixed states that can not be recognized by other distillability criteria.

  10. Quantum repeaters and quantum key distribution: the impact of entanglement distillation on the secret key rate

    E-Print Network [OSTI]

    Sylvia Bratzik; Silvestre Abruzzo; Hermann Kampermann; Dagmar Bruß

    2013-03-14T23:59:59.000Z

    We investigate quantum repeaters in the context of quantum key distribution. We optimize the secret key rate per memory per second with respect to different distillation protocols and distillation strategies. For this purpose, we also derive an analytical expression for the average number of entangled pairs created by the quantum repeater, including classical communication times for entanglement swapping and entanglement distillation. We investigate the impact of this classical communication time on the secret key rate. We finally study the effect of the detector efficiency on the secret key rate.

  11. Developing a Motor Management Policy at BASF

    E-Print Network [OSTI]

    Zickefoose, B.; Theising, T. R.

    In early 1998 Thomas R. Theising, BASF Corporate Engineering initiated the formation of a motor management team. The goal of the team was to develop a Motor Management Guideline to better manage the purchase and repair of motors used throughout...

  12. Commercial Motor Vehicle Roadside Technology Corridor (CMVRTC)

    E-Print Network [OSTI]

    Commercial Motor Vehicle Roadside Technology Corridor (CMVRTC) Oak Ridge National Laboratory Safety Security Vehicle Technologies Research Brief T he Commercial Motor Vehicle Roadside Technology in Tennessee to demonstrate, test, evaluation, and showcase innovative commercial motor vehicle (CMV) safety

  13. COMMERICAL MOTOR VEHICLE OPERATOR EMPLOYMENT APPLICATION SUPPLEMENT

    E-Print Network [OSTI]

    Pilyugin, Sergei S.

    COMMERICAL MOTOR VEHICLE OPERATOR EMPLOYMENT APPLICATION SUPPLEMENT _________________________________________________________ Applicants for positions involving the operation of a commercial motor vehicle must comply with Title 49 CFR: _______________ Please list the following information for each unexpired commercial motor vehicle operator license

  14. Industrial motor repair in the United States

    SciTech Connect (OSTI)

    Schueler, V.; Leistner, P.; Douglass, J.

    1994-09-01T23:59:59.000Z

    This report characterizes the motor repair industry in the United States; summarizes current motor repair and testing practice; and identifies barriers to energy motor repair practice and recommends strategies for overcoming those barriers.

  15. Verification of Motor Repair Quality

    E-Print Network [OSTI]

    Butler, K.

    Motor testing at Advanced Energy has shown that a motor that has not suffered irreparable damage as a result of failure can be repaired to perform as well as before the failure. But the only way to achieve the performance level of an energy...

  16. Distillation sequence for the purification and recovery of hydrocarbons

    DOE Patents [OSTI]

    Reyneke, Rian (Katy, TX); Foral, Michael (Aurora, IL); Papadopoulos, Christos G. (Naperville, IL); Logsdon, Jeffrey S. (Naperville, IL); Eng, Wayne W. Y. (League City, TX); Lee, Guang-Chung (Houston, TX); Sinclair, Ian (Warrington, GB)

    2007-12-25T23:59:59.000Z

    This invention is an improved distillation sequence for the separation and purification of ethylene from a cracked gas. A hydrocarbon feed enters a C2 distributor column. The top of the C2 distributor column is thermally coupled to an ethylene distributor column, and the bottoms liquid of a C2 distributor column feeds a deethanizer column. The C2 distributor column utilizes a conventional reboiler. The top of the ethylene distributor is thermally coupled with a demethanizer column, and the bottoms liquid of the ethylene distributor feeds a C2 splitter column. The ethylene distributor column utilizes a conventional reboiler. The deethanizer and C2 splitter columns are also thermally coupled and operated at a substantially lower pressure than the C2 distributor column, the ethylene distributor column, and the demethanizer column. Alternatively, a hydrocarbon feed enters a deethanizer column. The top of the deethanizer is thermally coupled to an ethylene distributor column, and the ethylene distributor column utilizes a conventional reboiler. The top of the ethylene distributor column is thermally coupled with a demethanizer column, and the bottoms liquid of the ethylene distributor column feeds a C2 splitter column. The C2 splitter column operates at a pressure substantially lower than the ethylene distributor column, the demethanizer column, and the deethanizer column.

  17. Comparison of advanced distillation control methods. Second annual report

    SciTech Connect (OSTI)

    NONE

    1996-11-01T23:59:59.000Z

    Detailed dynamic simulations of three industrial distillation columns (a propylene/propane splitter, a xylene/toluene column, and a depropanizer) have been used to study the issue of configuration selection for diagonal PI dual composition controls. ATV identification with on-line detuning was used for tuning the diagonal PI composition controllers. Each configuration was evaluated with respect to steady-state RGA values, sensitivity to feed composition changes, and open loop dynamic performance. Each configuration was tuned using setpoint changes over a wider range of operation for robustness and tested for feed composition upsets. Overall, configuration selection was shown to have a dominant effect upon control performance. Configuration analysis tools (e.g., RGA, condition number, disturbance sensitivity), were found to reject configuration choices that are obviously poor choices, but were unable to critically differentiate between the remaining viable choices. Configuration selection guidelines are given although it is demonstrated that the most reliable configuration selection approach is based upon testing the viable configurations using dynamic column simulators.

  18. Comparison of advanced distillation control methods. Second annual report

    SciTech Connect (OSTI)

    Riggs, J.B.

    1996-11-01T23:59:59.000Z

    Detailed dynamic simulations of two industrial distillation columns (a propylene/propane splitter and a xylene/toluene column) have been used to study the issue of configuration selection for diagonal PI dual composition controls. Auto Tune Variation (ATV) identification with on-line detuning was used for tuning the diagonal proportional integral (PI) composition controls. Each configuration was evaluated with respect to steady-state relative gain array (RGA) values, sensitivity to feed composition changes, and open loop dynamic performance. Each configuration was tuned using setpoint changes over a wider range of operation for robustness and tested for feed composition upsets. Overall, configuration selection was shown to have a dominant effect upon control performance. Configuration analysis tools (e.g., RGA, condition number, disturbance sensitivity) were found to reject configuration choices that are obviously poor choices, but were unable to critically differentiate between the remaining viable choices. Configuration selection guidelines are given although it is demonstrated that the most reliable configuration selection approach is based upon testing the viable configurations using dynamic column simulators.

  19. Unique Lanthide-Free Motor Construction

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

    of rare-earth elements E: Efficiency Partners Ames Laboratory: improved magnet properties NREL: motor thermal management ORNL: motor testing 2 Relevance - Objectives Overall...

  20. Magnetically Coupled Adjustable Speed Motor Drives

    SciTech Connect (OSTI)

    Not Available

    2008-07-01T23:59:59.000Z

    This is one in a series of tip sheets to help manufacturers optimize their industrial motor and motor-driven systems.

  1. Experimental and analytical studies of hydrocarbon yields under dry-, steam-, and steam-with-propane distillation 

    E-Print Network [OSTI]

    Jaiswal, Namit

    2007-09-17T23:59:59.000Z

    Simulation study has shown oil production is accelerated when propane is used as an additive during steam injection. To better understand this phenomenon, distillation experiments were performed using San Ardo crude oil (12oAPI). For comparison...

  2. Water distillation using waste engine heat from an internal combustion engine

    E-Print Network [OSTI]

    Mears, Kevin S

    2006-01-01T23:59:59.000Z

    To meet the needs of forward deployed soldiers and disaster relief personnel, a mobile water distillation system was designed and tested. This system uses waste engine heat from the exhaust flow of an internal combustion ...

  3. Multipartite continuous-variable entanglement distillation using local squeezing and only one photon-subtraction operation

    E-Print Network [OSTI]

    Song Yang; XuBo Zou; ShengLi Zhang; Bao-Sen Shi; Peter van Loock; GuangCan Guo

    2011-06-08T23:59:59.000Z

    In this paper, we study entanglement distillation of multipartite continuous-variable Gaussian entangled states. Following Opatrn\\'{y} \\emph{et al.}'s photon subtraction (PS) scheme, the probability of successful distillation decreases exponentially with the number of parties $N$. However, here, we shall propose an entanglement distillation scheme whose success probability scales as a constant with $N$. Our protocol employs several local squeezers, but it requires only a single PS operation. Using the logarithmic negativity as a measure of entanglement, we find that both the success probability and the distilled entanglement can be improved at the same time. Moreover, an $N$-mode transfer theorem (transferring states from phase space to Hilbert space) is presented.

  4. Feeding Value of Wet Sorghum Distillers Grains for Growing and Finishing Beef Cattle

    E-Print Network [OSTI]

    Feeding Value of Wet Sorghum Distillers Grains for Growing and Finishing Beef Cattle Ethanol, but sorghum grain is commonly either blended with corn before use or used as the sole grain for ethanol

  5. Table 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil...

    Annual Energy Outlook 2013 [U.S. Energy Information Administration (EIA)]

    132.9 1,418.3 See footnotes at end of table. 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil Volumes by PAD District and State Energy Information Administration ...

  6. Table 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil...

    Gasoline and Diesel Fuel Update (EIA)

    839.2 135.0 1,251.9 See footnotes at end of table. 46. Refiner No. 2 Distillate, Diesel Fuel, and Fuel Oil Volumes by PAD District and State Energy Information Administration ...

  7. DYNAMIC MODELING AND CONTROL OF REACTIVE DISTILLATION FOR HYDROGENATION OF BENZENE 

    E-Print Network [OSTI]

    Aluko, Obanifemi

    2010-01-16T23:59:59.000Z

    This work presents a modeling and control study of a reactive distillation column used for hydrogenation of benzene. A steady state and a dynamic model have been developed to investigate control structures for the column. The most important aspects...

  8. Distillation: Energy Savings and Other Benefits From the Use of High Efficiency Packings

    E-Print Network [OSTI]

    Bravo, J. L.; Fair, J. R.; Humphrey, J. L.

    DISTILLATION: ENERGY SAVINGS AND OTHER BENEFITS. FROM THE USE OF HIGH-EFFICIENCY PACKINGS -. Jose L. Bravo, James R. Fair, and Jimmy L. Humpnrey The University of Texas at Austin Austin, Texas ABSTRACT A great deal of attention has been... focused lately on the use of high-efficiency packings for distillation applications. This paper discusses benefits that can be derived from the use of these devices. In parti~ular, the reduction in energy requirements for a given separation...

  9. Experimental and analytical studies of hydrocarbon yields under dry-, steam-, and steam-with-propane distillation

    E-Print Network [OSTI]

    Jaiswal, Namit

    2007-09-17T23:59:59.000Z

    EXPERIMENTAL AND ANALYTICAL STUDIES OF HYDROCARBON YIELDS UNDER DRY-, STEAM-, AND STEAM-WITH- PROPANE DISTILLATION A Dissertation by NAMIT JAISWAL Submitted to the Office of Graduate Studies of Texas A&M University...-WITH- PROPANE-DISTILLATION A Dissertation by NAMIT JAISWAL Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved...

  10. Utilization of Structured Packing for Energy Savings in Distillation and Absorption Columns

    E-Print Network [OSTI]

    Berven, O. J.; Howard, W. E.

    "UTILIZATION OF STRUCTURED PACKING FOR ENERGY SAVINGS IN DISTILLATION AND ABSORPTION COLUMNS" O. Jeffrey Berven and Wendell E. Howard Koch Engineering Company, Inc. Wi chita, Kansas As the need to reduce production costs causes... manufacturers to re-evaluate process ing schemes, hi gh efficiency structured packings are increasingly recognized as an effective alternative for reducing energy consumption in heat and mass transfer operations. In distillation, the high efficiency and low...

  11. The Scaleup of Structured Packing from Distillation Pilot Plant Testing to Commercial Application

    E-Print Network [OSTI]

    Berven, O. J.; Ulowetz, M. A.

    The Scaleup of Structured Packing From Distillation Pilot Plant Testing to Commercial Application O. Jeffrey'Berven and Michael A. Ulowetz Koch Engineering Company, Inc. Wichita, Kansas Structured packing is being utilized more and more... in the process industry for increased efficiency, greater capacity, and energy savings in distillation columns. Pilot plant testing of the actual chemical system using commercially available structured packing is invaluable, but years of experience in pilot...

  12. Piezoelectric wave motor

    DOE Patents [OSTI]

    Yerganian, Simon Scott (Lee's Summit, MO)

    2003-02-11T23:59:59.000Z

    A piezoelectric motor having a stator in which piezoelectric elements are contained in slots formed in the stator transverse to the desired wave motion. When an electric field is imposed on the elements, deformation of the elements imposes a force perpendicular to the sides of the slot, deforming the stator. Appropriate frequency and phase-shifting of the electric field will produce a wave in the stator and motion in a rotor. In a preferred aspect, the piezoelectric elements are configured so that deformation of the elements in the direction of an imposed electric field, generally referred to as the d.sub.33 direction, is utilized to produce wave motion in the stator. In a further aspect, the elements are compressed into the slots so as to minimize tensile stresses on the elements in use.

  13. Piezoelectric wave motor

    DOE Patents [OSTI]

    Yerganian, Simon Scott (Lee's Summit, MO)

    2001-07-17T23:59:59.000Z

    A piezoelectric motor having a stator in which piezoelectric elements are contained in slots formed in the stator transverse to the desired wave motion. When an electric field is imposed on the elements, deformation of the elements imposes a force perpendicular to the sides of the slot, deforming the stator. Appropriate frequency and phase shifting of the electric field will produce a wave in the stator and motion in a rotor. In a preferred aspect, the piezoelectric elements are configured so that deformation of the elements in direction of an imposed electric field, generally referred to as the d.sub.33 direction, is utilized to produce wave motion in the stator. In a further aspect, the elements are compressed into the slots so as to minimize tensile stresses on the elements in use.

  14. PILOT-SCALE REMOVAL OF FLUORIDE FROM LEGACY PLUTONIUM MATERIALS USING VACUUM SALT DISTILLATION

    SciTech Connect (OSTI)

    Pierce, R. A.; Pak, D. J.

    2012-09-11T23:59:59.000Z

    Between September 2009 and January 2011, the Savannah River National Laboratory (SRNL) and HB-Line designed, developed, tested, and successfully deployed a system for the distillation of chloride salts. In 2011, SRNL adapted the technology for the removal of fluoride from fluoride-bearing salts. The method involved an in situ reaction between potassium hydroxide (KOH) and the fluoride salt to yield potassium fluoride (KF) and the corresponding oxide. The KF and excess KOH can be distilled below 1000{deg}C using vacuum salt distillation (VSD). The apparatus for vacuum distillation contains a zone heated by a furnace and a zone actively cooled using either recirculated water or compressed air. During a vacuum distillation operation, a sample boat containing the feed material is placed into the apparatus while it is cool, and the system is sealed. The system is evacuated using a vacuum pump. Once a sufficient vacuum is attaned, heating begins. Volatile salts distill from the heated zone to the cooled zone where they condense, leaving behind the non-volatile material in the feed boat. Studies discussed in this report were performed involving the use of non-radioactive simulants in small-scale and pilot-scale systems as well as radioactive testing of a small-scale system with plutonium-bearing materials. Aspects of interest include removable liner design considerations, boat materials, in-line moisture absorption, and salt deposition.

  15. Submersible canned motor mixer pump

    DOE Patents [OSTI]

    Guardiani, R.F.; Pollick, R.D.

    1997-10-07T23:59:59.000Z

    A mixer pump is described used in a waste tank for mobilizing high-level radioactive liquid waste having a column assembly containing power cables, a motor housing with electric motor means which includes a stator can of a stator assembly and a rotor can of a rotor assembly, and an impeller assembly with an impeller connected to a shaft of the rotor assembly. The column assembly locates the motor housing with the electric motor means adjacent to the impeller which creates an hydraulic head, and which forces the liquid waste into the motor housing to cool the electric motor means and to lubricate radial and thrust bearing assemblies. Hard-on-hard bearing surfaces of the bearing assemblies and a ring assembly between the impeller and electric motor means act to grind down large particles in the liquid waste flow. These larger particles are received in slots in the static bearing members of the radial bearing assemblies. Only solid waste particles smaller than the clearances in the system can pass there through, thereby resisting damage to and the interruption of the operation of the mixer pump. 10 figs.

  16. Submersible canned motor transfer pump

    DOE Patents [OSTI]

    Guardiani, Richard F. (Ohio Township, Allegheny County, PA); Pollick, Richard D. (Sarver, PA); Nyilas, Charles P. (Monroeville, PA); Denmeade, Timothy J. (Lower Burrell, PA)

    1997-01-01T23:59:59.000Z

    A transfer pump used in a waste tank for transferring high-level radioactive liquid waste from a waste tank and having a column assembly, a canned electric motor means, and an impeller assembly with an upper impeller and a lower impeller connected to a shaft of a rotor assembly. The column assembly locates a motor housing with the electric motor means adjacent to the impeller assembly which creates an hydraulic head, and which forces the liquid waste, into the motor housing to cool the electric motor means and to cool and/or lubricate the radial and thrust bearing assemblies. Hard-on-hard bearing surfaces of the bearing assemblies and a ring assembly between the upper impeller and electric motor means grind large particles in the liquid waste flow. Slots in the static bearing member of the radial bearing assemblies further grind down the solid waste particles so that only particles smaller than the clearances in the system can pass therethrough, thereby resisting damage to and the interruption of the operation of the transfer pump. The column assembly is modular so that sections can be easily assembled, disassembled and/or removed. A second embodiment employs a stator jacket which provides an alternate means for cooling the electric motor means and lubricating and/or cooling the bearing assemblies, and a third embodiment employs a variable level suction device which allows liquid waste to be drawn into the transfer pump from varying and discrete levels in the waste tank.

  17. Submersible canned motor mixer pump

    DOE Patents [OSTI]

    Guardiani, Richard F. (Ohio Township, PA); Pollick, Richard D. (Sarver, PA)

    1997-01-01T23:59:59.000Z

    A mixer pump used in a waste tank for mobilizing high-level radioactive liquid waste having a column assembly containing power cables, a motor housing with electric motor means which includes a stator can of a stator assembly and a rotor can of a rotor assembly, and an impeller assembly with an impeller connected to a shaft of the rotor assembly. The column assembly locates the motor housing with the electric motor means adjacent to the impeller which creates an hydraulic head, and which forces the liquid waste into the motor housing to cool the electric motor means and to lubricate radial and thrust bearing assemblies. Hard-on-hard bearing surfaces of the bearing assemblies and a ring assembly between the impeller and electric motor means act to grind down large particles in the liquid waste flow. These larger particles are received in slots in the static bearing members of the radial bearing assemblies. Only solid waste particles smaller than the clearances in the system can pass therethrough, thereby resisting damage to and the interruption of the operation of the mixer pump.

  18. Comparison of Advanced Distillation Control Methods, Final Technical Report

    SciTech Connect (OSTI)

    Dr. James B. Riggs

    2000-11-30T23:59:59.000Z

    Detailed dynamic simulations of three industrial distillation columns (a propylene/propane splitter, a xylene/toluene column, and a depropanizer) have been used to evaluate configuration selections for single-ended and dual-composition control, as well as to compare conventional and advanced control approaches. In addition, a simulator of a main fractionator was used to compare the control performance of conventional and advanced control. For each case considered, the controllers were tuned by using setpoint changes and tested using feed composition upsets. Proportional Integral (PI) control performance was used to evaluate the configuration selection problem. For single ended control, the energy balance configuration was found to yield the best performance. For dual composition control, nine configurations were considered. It was determined that the use of dynamic simulations is required in order to identify the optimum configuration from among the nine possible choices. The optimum configurations were used to evaluate the relative control performance of conventional PI controllers, MPC (Model Predictive Control), PMBC (Process Model-Based Control), and ANN (Artificial Neural Networks) control. It was determined that MPC works best when one product is much more important than the other, while PI was superior when both products were equally important. PMBC and ANN were not found to offer significant advantages over PI and MPC. MPC was found to outperform conventional PI control for the main fractionator. MPC was applied to three industrial columns: one at Phillips Petroleum and two at Union Carbide. In each case, MPC was found to significantly outperform PI controls. The major advantage of the MPC controller is its ability to effectively handle a complex set of constraints and control objectives.

  19. STEPS IN SLOW FLAGELLAR MOTOR ROTATION

    E-Print Network [OSTI]

    Leake, Mark C.

    STEPS IN SLOW FLAGELLAR MOTOR ROTATION Alexander D. Rowe1 , Yoshiyuki Sowa2, Mark C. Leake1+ -specific motors. Torque is generated by the interaction between stator complexes and FliG proteins revolution. CHIMERIC MOTOR: The stator units comprising the flagellar motors of the YS34 strain - used

  20. Total Economics of Energy Efficient Motors 

    E-Print Network [OSTI]

    Nester, A. T.

    1984-01-01T23:59:59.000Z

    priced energy-efficient motor or a standard electric motor. It will also address the question of whether it is cost-effective to rewind an old motor which has failed or to replace it with a new energy-efficient motor....

  1. Motor Control Abnormalities in Parkinson's Disease

    E-Print Network [OSTI]

    Motor Control Abnormalities in Parkinson's Disease Pietro Mazzoni, Britne Shabbott, and Juan Camilo Corte´s Motor Performance Laboratory, The Neurological Institute, Columbia University, New York, New. Motor symptoms can also be described in terms of motor control, a level of description that explains how

  2. Recover Power with Hydraulic Motors

    E-Print Network [OSTI]

    Brennan, J. R.

    1982-01-01T23:59:59.000Z

    displacement device, the HPRM torque and speed are almost completely independent - unlike hydraulic power recovery turbines (centrifugal motors). Three screw HPRM's have low moments of inertia, operate at low vibration and noise levels and extract power...

  3. Segmented rail linear induction motor

    SciTech Connect (OSTI)

    Cowan, M. Jr.; Marder, B.M.

    1996-09-03T23:59:59.000Z

    A segmented rail linear induction motor has a segmented rail consisting of a plurality of nonferrous electrically conductive segments aligned along a guideway. The motor further includes a carriage including at least one pair of opposed coils fastened to the carriage for moving the carriage. A power source applies an electric current to the coils to induce currents in the conductive surfaces to repel the coils from adjacent edges of the conductive surfaces. 6 figs.

  4. Direct drive field actuator motors

    DOE Patents [OSTI]

    Grahn, A.R.

    1998-03-10T23:59:59.000Z

    A positive-drive field actuator motor is described which includes a stator carrying at least one field actuator which changes in dimension responsive to application of an energy field, and at least one drive shoe movable by the dimensional changes of the field actuator to contact and move a rotor element with respect to the stator. Various embodiments of the motor are disclosed, and the rotor element may be moved linearly or arcuately. 62 figs.

  5. DEVELOPMENT AND DEPLOYMENT OF VACUUM SALT DISTILLATION AT THE SAVANNAH RIVER SITE

    SciTech Connect (OSTI)

    Pierce, R.; Pak, D.; Edwards, T.

    2010-10-28T23:59:59.000Z

    The Savannah River Site has a mission to dissolve fissile materials and disposition them. The primary fissile material is plutonium dioxide (PuO{sub 2}). To support dissolution of these materials, the Savannah River National Laboratory (SRNL) designed and demonstrated a vacuum salt distillation (VSD) apparatus using both representative radioactive samples and non-radioactive simulant materials. Vacuum salt distillation, through the removal of chloride salts, increases the quantity of materials suitable for processing in the site's HB-Line Facility. Small-scale non-radioactive experiments at 900-950 C show that >99.8 wt % of the initial charge of chloride salt distilled from the sample boat with recovery of >99.8 wt % of the ceric oxide (CeO{sub 2}) - the surrogate for PuO{sub 2} - as a non-chloride bearing 'product'. Small-scale radioactive testing in a glovebox demonstrated the removal of sodium chloride (NaCl) and potassium chloride (KCl) from 13 PuO{sub 2} samples. Chloride concentrations were distilled from a starting concentration of 1.8-10.8 wt % to a final concentration <500 mg/kg chloride. Initial testing of a non-radioactive, full-scale production prototype is complete. A designed experiment evaluated the impact of distillation temperature, time at temperature, vacuum, product depth, and presence of a boat cover. Significant effort has been devoted to mechanical considerations to facilitate simplified operation in a glovebox.

  6. The cough response to ultrasonically nebulized distilled water in heart-lung transplantation patients

    SciTech Connect (OSTI)

    Higenbottam, T.; Jackson, M.; Woolman, P.; Lowry, R.; Wallwork, J.

    1989-07-01T23:59:59.000Z

    As a result of clinical heart-lung transplantation, the lungs are denervated below the level of the tracheal anastomosis. It has been questioned whether afferent vagal reinnervation occurs after surgery. Here we report the cough frequency, during inhalation of ultrasonically nebulized distilled water, of 15 heart-lung transplant patients studied 6 wk to 36 months after surgery. They were compared with 15 normal subjects of a similar age and sex. The distribution of the aerosol was studied in five normal subjects using /sup 99m/technetium diethylene triamine pentaacetate (/sup 99m/Tc-DTPA) in saline. In seven patients, the sensitivity of the laryngeal mucosa to instilled distilled water (0.2 ml) was tested at the time of fiberoptic bronchoscopy by recording the cough response. Ten percent of the aerosol was deposited onto the larynx and trachea, 56% on the central airways, and 34% in the periphery of the lung. The cough response to the aerosol was strikingly diminished in the patients compared with normal subjects (p less than 0.001), but all seven patients coughed when distilled water was instilled onto the larynx. As expected, the laryngeal mucosa of heart-lung transplant patients remains sensitive to distilled water. However, the diminished coughing when the distilled water is distributed by aerosol to the central airways supports the view that vagal afferent nerves do not reinnervate the lungs after heart-lung transplantation, up to 36 months after surgery.

  7. Efficient Motor System Tools Sponsored by the DOE Motor Challenge Program 

    E-Print Network [OSTI]

    Blazewicz, S.; McCoy, G. A.; Olszewski, M.; Scheihing, P.

    1995-01-01T23:59:59.000Z

    motors and motor-dri ven equipment that wi 11 improve indus! ri al energy effic iency, producti vi ty and environmental performance. The overall goal is to increase the market penetration of energy-efficient industrial electric motor systems...

  8. Submersible canned motor transfer pump

    DOE Patents [OSTI]

    Guardiani, R.F.; Pollick, R.D.; Nyilas, C.P.; Denmeade, T.J.

    1997-08-19T23:59:59.000Z

    A transfer pump is described which is used in a waste tank for transferring high-level radioactive liquid waste from a waste tank and having a column assembly, a canned electric motor means, and an impeller assembly with an upper impeller and a lower impeller connected to a shaft of a rotor assembly. The column assembly locates a motor housing with the electric motor means adjacent to the impeller assembly which creates an hydraulic head, and which forces the liquid waste, into the motor housing to cool the electric motor means and to cool and/or lubricate the radial and thrust bearing assemblies. Hard-on-hard bearing surfaces of the bearing assemblies and a ring assembly between the upper impeller and electric motor means grind large particles in the liquid waste flow. Slots in the static bearing member of the radial bearing assemblies further grind down the solid waste particles so that only particles smaller than the clearances in the system can pass there through, thereby resisting damage to and the interruption of the operation of the transfer pump. The column assembly is modular so that sections can be easily assembled, disassembled and/or removed. A second embodiment employs a stator jacket which provides an alternate means for cooling the electric motor means and lubricating and/or cooling the bearing assemblies, and a third embodiment employs a variable level suction device which allows liquid waste to be drawn into the transfer pump from varying and discrete levels in the waste tank. 17 figs.

  9. United States Industrial Electric Motor Systems Market Opportunities...

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

    for Industry MotorMaster+ User Manual New Motor Systems Market Assessment AMO and LBNL are currently developing an update to the original Motor Systems Market Assessment. The...

  10. Mechanisms of motor activity regulation in axonal transport

    E-Print Network [OSTI]

    Reis, Gerald Feliz

    2008-01-01T23:59:59.000Z

    emerging principles of kinesin motor utilization." Annu Revopposite-polarity microtubule motors." J Cell Biol 156( 4):Kinesin mutations cause motor neuron disease phenotypes by

  11. Lab 4 -Motor Constants and Sensor Calibration Consider a DC servo motor which is connected to a power supply. The motor inertia is Jm. The rotational

    E-Print Network [OSTI]

    Stanford University

    Lab 4 - Motor Constants and Sensor Calibration PRE-LAB Consider a DC servo motor which is connected to a power supply. The motor inertia is Jm. The rotational damping in the motor is bm. The motor produces a torque Tm = Kmi where Km is the motor's torque constant and i is the current from the power supply. a

  12. First Commissioning of a Cryogenic Distillation Column for Low Radioactivity Underground Argon

    E-Print Network [OSTI]

    Back, Henning O; Alton, Andrew; Condon, Christopher; de Haas, Ernst; Galbiati, Cristiano; Goretti, Augusto; Hohmann, Tristan; Ianni, Andrea; Kendziora, Cary; Loer, Ben; Montanari, David; Mosteiro, Pablo; Pordes, Stephen

    2012-01-01T23:59:59.000Z

    We report on the performance and commissioning of a cryogenic distillation column for low radioactivity underground argon at Fermi National Accelerator Laboratory. The distillation column is designed to accept a mixture of argon, helium, and nitrogen and return pure argon with a nitrogen contamination less than 10 ppm. In the first commissioning, we were able to run the distillation column in a continuous mode and produce argon that is 99.9% pure. After running in a batch mode, the argon purity was increased to 99.95%, with 500 ppm of nitrogen remaining. The efficiency of collecting the argon from the gas mixture was between 70% and 81%, at an argon production rate of 0.84-0.98 kg/day.

  13. First Commissioning of a Cryogenic Distillation Column for Low Radioactivity Underground Argon

    E-Print Network [OSTI]

    H. O. Back; T. Alexander; A. Alton; C. Condon; E. de Haas; C. Galbiati; A. Goretti; T. Hohmann; An. Ianni; C. Kendziora; B. Loer; D. Montanari; P. Mosteiro; S. Pordes

    2012-05-01T23:59:59.000Z

    We report on the performance and commissioning of a cryogenic distillation column for low radioactivity underground argon at Fermi National Accelerator Laboratory. The distillation column is designed to accept a mixture of argon, helium, and nitrogen and return pure argon with a nitrogen contamination less than 10 ppm. In the first commissioning, we were able to run the distillation column in a continuous mode and produce argon that is 99.9% pure. After running in a batch mode, the argon purity was increased to 99.95%, with 500 ppm of nitrogen remaining. The efficiency of collecting the argon from the gas mixture was between 70% and 81%, at an argon production rate of 0.84-0.98 kg/day.

  14. Magic state distillation in all prime dimensions using quantum Reed-Muller codes

    E-Print Network [OSTI]

    Campbell, Earl T; Browne, Dan E

    2012-01-01T23:59:59.000Z

    We propose families of protocols for magic state distillation -- important components of fault tolerance schemes --- for systems of odd prime dimension. Our protocols utilize quantum Reed-Muller codes with transversal non-Clifford gates. We find that in higher dimensions smaller codes can be used than one might expect based on qubit codes. All our protocols produce magic states at a resource cost that increases only polynomially with the inverse of the final ouput error probability. We give specific details for 3-dimensional systems, where we find that certain magic states can be distilled provided an initial error probability of less than 20.02% or a depolarizing noise rate of less than 31.7%. This is the largest error probability threshold of all known protocols with polynomial resource cost. For a depolarizing noise model we also give distillation thresholds for odd prime dimensions up-to 19.

  15. Source book for planning nuclear dual-purpose electric/distillation desalination plants

    SciTech Connect (OSTI)

    Reed, S.A.

    1981-02-01T23:59:59.000Z

    A source book on nuclear dual-purpose electric/distillation desalination plants was prepared to assist government and other planners in preparing broad evaluations of proposed applications of dual-purpose plants. The document is divided into five major sections. Section 1 presents general discussions relating to the benefits of dual-purpose plants, and spectrum for water-to-power ratios. Section 2 presents information on commercial nuclear plants manufactured by US manufacturers. Section 3 gives information on distillation desalting processes and equipment. Section 4 presents a discussion on feedwater pretreatment and scale control. Section 5 deals with methods for coupling the distillation and electrical generating plants to operate in the dual mode.

  16. Three phase AC motor controller

    DOE Patents [OSTI]

    Vuckovich, Michael (Elizabeth, PA); Wright, Maynard K. (Bethel Park, PA); Burkett, John P. (South Huntington Township, Westmoreland County, PA)

    1984-03-20T23:59:59.000Z

    A motor controller for a three phase AC motor (10) which is adapted to operate bidirectionally from signals received either from a computer (30) or a manual control (32). The controller is comprised of digital logic circuit means which implement a forward and reverse command signal channel (27, 29) for the application of power through the forward and reverse power switching relays (16, 18, 20, 22). The digital logic elements are cross coupled to prevent activation of both channels simultaneously and each includes a plugging circuit (65, 67) for stopping the motor upon the removal of control signal applied to one of the two channels (27, 29) for a direction of rotation desired. Each plugging circuit (65, 67) includes a one-shot pulse signal generator (88, 102) which outputs a single pulse signal of predetermined pulsewidth which is adapted to inhibit further operation of the application of power in the channel which is being activated and to apply a reversal command signal to the other channel which provides a reversed phase application of power to the motor for a period defined by the pulse-width output of the one-shot signal generator to plug the motor (10) which will then be inoperative until another rotational command signal is applied to either of the two channels.

  17. Case Histories of Energy Efficient Motors

    E-Print Network [OSTI]

    Riley, J. C.; Comiskey, W. T

    should be the value read from a reputable manufactur er I s data sheet. COOLING TOWER MOTORS The plant is now replacing 25 hp cooling tower motors with EE motors as the old ones burn out. An adapter base for changing from the old frame size 365... volts and amps from an EE motor and comparing this to readings from an old motor in service on the tower. This was based on an assumption of identical loads and motor power factors. This calculation showed yearly savings very close to the cost...

  18. Systems and methods for reactive distillation with recirculation of light components

    DOE Patents [OSTI]

    Stickney, Michael J. (Nassau Bay, TX); Jones, Jr., Edward M. (Friendswood, TX)

    2011-07-26T23:59:59.000Z

    Systems and methods for producing gas-to-liquids products using reactive distillation are provided. The method for producing gas-to-liquids products can include reacting a feedstock in a column having a distillation zone and a reaction zone to provide a bottoms stream and an overhead stream. A first portion of the overhead stream can be recycled to the column at the top of the reaction zone and second portion of the overhead stream can be recycled to the column at the bottom of the reaction zone.

  19. Z-States Algebra for a Tunable Multi-Party Entanglement-Distillation Protocol

    E-Print Network [OSTI]

    Exman, Iaakov

    2011-01-01T23:59:59.000Z

    W-States have achieved the status of the standard fully symmetric entangled states, for many entanglement application purposes. Z-States are a generalization of W-States that display an elegant algebra, enabling short paths to desired results. This paper describes Z-States algebra starting from neat definitions and laying down explicitly some fundamental theorems on composition and distillation, needed for applications. These theorems are synthesized into a generic tunable Entanglement-Distillation Protocol. Applications are readily developed based upon the tunable protocol. A few examples are provided to illustrate the approach generality. A concomitant graphical representation allows fast comprehension of the protocol inputs, operations and outcomes.

  20. Process for converting heavy oil deposited on coal to distillable oil in a low severity process

    DOE Patents [OSTI]

    Ignasiak, Teresa (417 Heffernan Drive, Edmonton, Alberta, CA); Strausz, Otto (13119 Grand View Drive, Edmonton, Alberta, CA); Ignasiak, Boleslaw (417 heffernan Drive, Edmonton, Alberta, CA); Janiak, Jerzy (17820 - 76 Ave., Edmonton, Alberta, CA); Pawlak, Wanda (3046 - 11465 - 41 Avenue, Edmonton, Alberta, CA); Szymocha, Kazimierz (3125 - 109 Street, Edmonton, Alberta, CA); Turak, Ali A. (Edmonton, CA)

    1994-01-01T23:59:59.000Z

    A process for removing oil from coal fines that have been agglomerated or blended with heavy oil comprises the steps of heating the coal fines to temperatures over 350.degree. C. up to 450.degree. C. in an inert atmosphere, such as steam or nitrogen, to convert some of the heavy oil to lighter, and distilling and collecting the lighter oils. The pressure at which the process is carried out can be from atmospheric to 100 atmospheres. A hydrogen donor can be added to the oil prior to deposition on the coal surface to increase the yield of distillable oil.

  1. The Products of the Destructive Distillation of Keratin in the Form of Leather

    E-Print Network [OSTI]

    Rose, Reed Phillips

    1913-01-01T23:59:59.000Z

    ure to the air. After this came a white crystal­ line solid, fourth a reddish fciquid, fifth a red­ dish crystalline compound and sixth the black oil spoken of abovd. A volume of the distillate, equaling about a liter was collected and the two... the material the temperature rose to 200° C. and then reduction started and the temperature fell rapidly. The tar or oil constitutes from 3 to 4 per cent of the weight of the leather used. The aqueous portion of the distillate was subjected to a fractional...

  2. Homopolar motor with dual rotors

    DOE Patents [OSTI]

    Hsu, J.S.

    1998-12-01T23:59:59.000Z

    A homopolar motor has a field rotor mounted on a frame for rotation in a first rotational direction and for producing an electromagnetic field, and an armature rotor mounted for rotation on said frame within said electromagnetic field and in a second rotational direction counter to said first rotational direction of said field rotor. The two rotors are coupled through a 1:1 gearing mechanism, so as to travel at the same speed but in opposite directions. This doubles the output voltage and output power, as compared to a motor in which only the armature is rotated. Several embodiments are disclosed. 7 figs.

  3. Thermoelectric generator for motor vehicle

    DOE Patents [OSTI]

    Bass, John C. (6121 La Pintra Dr., La Jolla, CA 92037)

    1997-04-29T23:59:59.000Z

    A thermoelectric generator for producing electric power for a motor vehicle from the heat of the exhaust gasses produced by the engine of the motor vehicle. The exhaust gasses pass through a finned heat transfer support structure which has seat positions on its outside surface for the positioning of thermoelectric modules. A good contact cylinder provides a framework from which a spring force can be applied to the thermoelectric modules to hold them in good contact on their seats on the surface of the heat transfer support structure.

  4. Motor Energy Saving Opportunities in an Industrial Plant

    E-Print Network [OSTI]

    Kumar, B.; Elwell, A.

    Industrial plants have enormous energy saving opportunities with electric motors. Improving motor efficiency is a conventional wisdom to save energy. Re-engineering affords far greater savings opportunities than motor efficiency improvement. Motor...

  5. NEW MOTOR DESIGN CONCEPT FOR ENERGY SAVING APPLIED TO

    E-Print Network [OSTI]

    SHARK, NEW MOTOR DESIGN CONCEPT FOR ENERGY SAVING APPLIED TO SWITCHED RELUCTANCE MOTOR by Ana of the cylindrical and Shark air gap Switched Reluctance Motors and their assistance during the experimental work with other motor technologies such

  6. Impact of Motor Failures on Payback Periods

    E-Print Network [OSTI]

    Cheek, K. F.; Pillay, P.; Dudley, K. J.

    This paper uses MotorMaster and Vaughen's Complete Price Guide to determine payback periods for different motor failure scenarios. Some scenarios considered are rewinds, reconditions, and replacement of bearings. Prices for these repairs...

  7. Writing Motor Specifications - How to Include Efficiency

    E-Print Network [OSTI]

    Quartermaine, B. J.

    1980-01-01T23:59:59.000Z

    The escalating cost of electric power coupled with the rapid depletion of our non-renewable resources makes consideration of motor efficiency good sense both from economic and conservation viewpoints. The efficiency of an electric motor can...

  8. Self-bearing motor design & control

    E-Print Network [OSTI]

    Imani Nejad, Mohammad

    2013-01-01T23:59:59.000Z

    This thesis presents the design, implementation and control of a new class of self-bearing motors. The primary thesis contributions include the design and experimental demonstration of hysteresis self-bearing motors, novel ...

  9. A Novel Approach to Determining Motor Load

    E-Print Network [OSTI]

    Brown, M.

    A NOVEL APPROACH TO DETERMINING MOTOR LOAD by Michael Brown Georgia Tech Research Institute Atlanta, Georgia ABSTRACf Properly sized electric motors are essential if industrial plant efficiency is to be optimized and energy costs... minimized. Because of the difficully in making power measurements on three phase motors, loading is rarely, if ever, checked. A simple indication of motor load can be achieved by measuring operating speed because speed and load are almost linearly...

  10. Motorized control for mirror mount apparatus

    DOE Patents [OSTI]

    Cutburth, Ronald W. (Tracy, CA)

    1989-01-01T23:59:59.000Z

    A motorized control and automatic braking system for adjusting mirror mount apparatus is disclosed. The motor control includes a planetary gear arrangement to provide improved pitch adjustment capability while permitting a small packaged design. The motor control for mirror mount adjustment is suitable for laser beam propagation applications. The brake is a system of constant contact, floating detents which engage the planetary gear at selected between-teeth increments to stop rotation instantaneously when the drive motor stops.

  11. Frequency modulation drive for a piezoelectric motor

    DOE Patents [OSTI]

    Mittas, Anthony (Albuquerque, NM)

    2001-01-01T23:59:59.000Z

    A piezoelectric motor has peak performance at a specific frequency f.sub.1 that may vary over a range of frequencies. A drive system is disclosed for operating such a motor at peak performance without feedback. The drive system consists of the motor and an ac source connected to power the motor, the ac source repeatedly generating a frequency over a range from f.sub.1 -.DELTA.x to f.sub.1 +.DELTA.y.

  12. Conducting a Motor Survey: Key Step for Establishing a Motor Management Policy

    E-Print Network [OSTI]

    Miller, R. B.

    Roughly 70% of the energy consumed by manufacturing processes is used by electric motors. According to the U.S. Department of Energy, greater attention to motor systems management can reduce motor-related energy costs by 18%. Establishing a motor...

  13. Coupling between motor proteins determines dynamic behaviors of motor protein assemblies

    E-Print Network [OSTI]

    Coupling between motor proteins determines dynamic behaviors of motor protein assemblies Jonathan W of intracellular cargos by multiple microtubule motor proteins is believed to be a common and significant phenomenon in vivo, yet signatures of the microscopic dynamics of multiple motor systems are only now

  14. Preferred track: Speech Motor Control Title: Specificity of speech sensori-motor learning

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    COVER PAGE Preferred track: Speech Motor Control Title: Specificity of speech sensori-motor University, France. Ph.D. thesis focused on the link between language universals and the motor constraints of speech production. Current research focuses on speech sensori-motor learning and its consequences

  15. Entanglement Distillation; A Discourse on Bound Entanglement in Quantum Information Theory

    E-Print Network [OSTI]

    Lieven Clarisse

    2006-12-10T23:59:59.000Z

    PhD thesis (University of York). The thesis covers in a unified way the material presented in quant-ph/0403073, quant-ph/0502040, quant-ph/0504160, quant-ph/0510035, quant-ph/0512012 and quant-ph/0603283. It includes two large review chapters on entanglement and distillation.

  16. Hybrid magic state distillation for universal fault-tolerant quantum computation

    E-Print Network [OSTI]

    Wenqiang Zheng; Yafei Yu; Jian Pan; Jingfu Zhang; Jun Li; Zhaokai Li; Dieter Suter; Xianyi Zhou; Xinhua Peng; Jiangfeng Du

    2014-12-11T23:59:59.000Z

    A set of stabilizer operations augmented by some special initial states known as 'magic states', gives the possibility of universal fault-tolerant quantum computation. However, magic state preparation inevitably involves nonideal operations that introduce noise. The most common method to eliminate the noise is magic state distillation (MSD) by stabilizer operations. Here we propose a hybrid MSD protocol by connecting a four-qubit H-type MSD with a five-qubit T-type MSD, in order to overcome some disadvantages of the previous MSD protocols. The hybrid MSD protocol further integrates distillable ranges of different existing MSD protocols and extends the T-type distillable range to the stabilizer octahedron edges. And it provides considerable improvement in qubit cost for almost all of the distillable range. Moreover, we experimentally demonstrate the four-qubit H-type MSD protocol using nuclear magnetic resonance technology, together with the previous five-qubit MSD experiment, to show the feasibility of the hybrid MSD protocol.

  17. Distillation Absorption 2010 A.B. de Haan, H. Kooijman and A. Grak (Editors)

    E-Print Network [OSTI]

    Lucia, Angelo

    .al. The focus of this study is the stripping column. Table 1 gives some typical design results for the strippingDistillation Absorption 2010 A.B. de Haan, H. Kooijman and A. Górak (Editors) All rights reserved by authors as per DA2010 copyright notice ENERGY EFFICIENT SYNTHESIS AND DESIGN FOR CARBON CAPTURE Angelo

  18. Minimum Energy Consumption in Multicomponent Distillation. 3. More Than Three Products and Generalized Petlyuk Arrangements

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Minimum Energy Consumption in Multicomponent Distillation. 3. More Than Three Products products (where normally M e N). We derive the expressions for a generalized extended Pet- lyuk arrangement for the generalized Pet- lyuk column with more than three products. The Vmin diagram was presented in part 1

  19. Effects of petroleum distillate on viscosity, density and surface tension of intermediate and heavy crude oils

    E-Print Network [OSTI]

    Abdullayev, Azer

    2009-06-02T23:59:59.000Z

    : San Francisco oil from Columbia with specific gravity of 28o-29o API, Duri oil with gravity of 19o-21o API, Jobo oil with gravity of 8o-9o API and San Ardo oil gravity of 11o-13o API. The additive used in all of the experiments is petroleum distillate...

  20. Distillate fuel-oil processing for phosphoric acid fuel-cell power plants

    SciTech Connect (OSTI)

    Ushiba, K. K.

    1980-02-01T23:59:59.000Z

    The current efforts to develop distillate oil-steam reforming processes are reviewed, and the applicability of these processes for integration with the fuel cell are discussed. The development efforts can be grouped into the following processing approaches: high-temperature steam reforming (HTSR); autothermal reforming (ATR); autothermal gasification (AG); and ultra desulfurization followed by steam reforming. Sulfur in the feed is a key problem in the process development. A majority of the developers consider sulfur as an unavoidable contaminant of distillate fuel and are aiming to cope with it by making the process sulfur-tolerant. In the HTSR development, the calcium aluminate catalyst developed by Toyo Engineering represents the state of the art. United Technology (UTC), Engelhard, and Jet Propulsion Laboratory (JPL) are also involved in the HTSR research. The ATR of distillate fuel is investigated by UTC and JPL. The autothermal gasification (AG) of distillate fuel is being investigated by Engelhard and Siemens AG. As in the ATR, the fuel is catalytically gasified utilizing the heat generated by in situ partial combustion of feed, however, the goal of the AG is to accomplish the initial breakdown of the feed into light gases and not to achieve complete conversion to CO and H/sub 2/. For the fuel-cell integration, a secondary reforming of the light gases from the AG step is required. Engelhard is currently testing a system in which the effluent from the AG section enters the steam-reforming section, all housed in a single vessel. (WHK)

  1. Black-Box Identification for PLC based MPC of a Binary Distillation Column

    E-Print Network [OSTI]

    Black-Box Identification for PLC based MPC of a Binary Distillation Column B. Huyck ,, F. Logist J is to upgrade the control system with a linear MPC running on a PLC. However, before a model based controller can be used on a PLC, an accurate (but simple) process model has to be constructed. Hence, the aim

  2. Effect of Narrow Cut Oil Shale Distillates on HCCI Engine Performance

    SciTech Connect (OSTI)

    Eaton, Scott J [ORNL; Bunting, Bruce G [ORNL; Lewis Sr, Samuel Arthur [ORNL; Fairbridge, Craig [National Centre for Upgrading Technology, Canada

    2009-01-01T23:59:59.000Z

    In this investigation, oil shale crude obtained from the Green River Formation in Colorado using Paraho Direct retorting was mildly hydrotreated and distilled to produce 7 narrow boiling point fuels of equal volumes. The resulting derived cetane numbers ranged between 38.3 and 43.9. Fuel chemistry and bulk properties strongly correlated with boiling point.

  3. INDUCTION MOTOR FAULT DIAGNOSTIC AND MONITORING METHODS

    E-Print Network [OSTI]

    Povinelli, Richard J.

    INDUCTION MOTOR FAULT DIAGNOSTIC AND MONITORING METHODS by Aderiano M. da Silva, B.S. A Thesis;i Abstract Induction motors are used worldwide as the "workhorse" in industrial applications material. However, induction motor faults can be detected in an initial stage in order to prevent

  4. ABOUT SPEECH MOTOR CONTROL COMPLEXITY Pascal Perrier

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    20/07/2005 ABOUT SPEECH MOTOR CONTROL COMPLEXITY Pascal Perrier Institut de la Communication Parlée ABSTRACT A key issue in research about speech motor control is the one of the level of complexity of the speech motor system, including the complex tongue-jaw biomechanics? Or would more simple internal

  5. Method and apparatus for monitoring motor operated valve motor output torque and power at valve seating

    DOE Patents [OSTI]

    Casada, Donald A. (Oak Ridge, TN)

    1996-01-01T23:59:59.000Z

    A method and apparatus are provided for monitoring a motor operated valve during the brief period when the valve seats and the torque switch trips to deenergize the valve motor. The method uses voltage measurements on the load side of a deenergizing switch that opens to deenergize the motor to determine, among other things, final motor rotational speed and the decelerating torque at motor deenergization.

  6. Submitted to special issue ChERD. This version revised 22 Nov. 2006 The dos and don'ts of distillation column control

    E-Print Network [OSTI]

    Skogestad, Sigurd

    'ts of distillation column control Sigurd Skogestad* Department of Chemical Engineering Norwegian University of Science and Technology N-7491 Trondheim, Norway Abstract The paper discusses distillation column control recommendations to assist the engineer in designing control systems for distillation columns. The standard LV

  7. Start | Grid View | Browse by Day OR Group/Topical | Author Index | Keyword Index | Personal Scheduler Active Constraint Regions for Economically Optimal Operation of Distillation

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Scheduler Active Constraint Regions for Economically Optimal Operation of Distillation Columns Tuesday and operation of distillation columns has been widely studied, as illustrated by for example Skogestad (1993 operation of distillation columns has been studied relatively little. The issue of active constraints

  8. Distillation of Bose-Einstein condensates in a double-well potential The characteristic feature of Bose-Einstein condensation is the accumulation of a

    E-Print Network [OSTI]

    Distillation of Bose-Einstein condensates in a double-well potential The characteristic feature by preparing a Bose-Einstein condensate in an optical dipole trap and distilling it into a second empty dipole trap adjacent to the first one [2]. The distillation was driven by thermal atoms spilling over

  9. Wang Feng (2006). Comparison of languages in contact: The distillation method and the case of Bai. Language and linguistics monograph series B, Frontiers in linguistics III.

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    2006-01-01T23:59:59.000Z

    Wang Feng (2006). Comparison of languages in contact: The distillation method and the case of Bai; Zhengzhang 2003). Wang Feng's Comparison of languages in contact: The distillation method and the case of Bai 2001). In Comparison of languages in contact: The distillation method and the case of Bai, Wang

  10. Start | Grid View | Browse by Day OR Group/Topical | Author Index | Keyword Index | Personal Scheduler Optimal Design of Energy-Efficient Integrated Distillation Processes for

    E-Print Network [OSTI]

    Skogestad, Sigurd

    Scheduler Optimal Design of Energy-Efficient Integrated Distillation Processes for Multicomponent Ideal Optimal design of energy-efficient integrated distillation processes for multicomponent ideal and non, The Netherlands The dividing wall distillation columns (DWC) find increased use in industrial practice

  11. Chemistry in Motion: Tiny Synthetic Motors

    E-Print Network [OSTI]

    Peter H. Colberg; Shang Yik Reigh; Bryan Robertson; Raymond Kapral

    2014-11-03T23:59:59.000Z

    In this Account, we describe how synthetic motors that operate by self-diffusiophoresis make use of a self-generated concentration gradient to drive motor motion. A description of propulsion by self-diffusiophoresis is presented for Janus particle motors comprising catalytic and noncatalytic faces. The properties of the dynamics of chemically powered motors are illustrated by presenting the results of particle-based simulations of sphere-dimer motors constructed from linked catalytic and noncatalytic spheres. The geometries of both Janus and sphere-dimer motors with asymmetric catalytic activity support the formation of concentration gradients around the motors. Because directed motion can occur only when the system is not in equilibrium, the nature of the environment and the role it plays in motor dynamics are described. Rotational Brownian motion also acts to limit directed motion, and it has especially strong effects for very small motors. We address the following question: how small can motors be and still exhibit effects due to propulsion, even if only to enhance diffusion? Synthetic motors have the potential to transform the manner in which chemical dynamical processes are carried out for a wide range of applications.

  12. Traffic by small teams of molecular motors

    E-Print Network [OSTI]

    Melanie J. I. Müller; Janina Beeg; Rumiana Dimova; Stefan Klumpp; Reinhard Lipowsky

    2008-07-07T23:59:59.000Z

    Molecular motors transport various cargos along cytoskeletal filaments, analogous to trucks on roads. In contrast to vehicles, however, molecular motors do not work alone but in small teams. We describe a simple model for the transport of a cargo by one team of motors and by two teams of motors, which walk into opposite directions. The cooperation of one team of motors generates long-range transport, which we observed experimentally in vitro. Transport by two teams of motors leads to a variety of bidirectional motility behaviour and to dynamic instabilities reminiscent of spontaneous symmetry breaking. We also discuss how cargo transport by teams of motors allows the cell to generate robust long-range bidirectional transport.

  13. System and method for motor speed estimation of an electric motor

    DOE Patents [OSTI]

    Lu, Bin (Kenosha, WI); Yan, Ting (Brookfield, WI); Luebke, Charles John (Sussex, WI); Sharma, Santosh Kumar (Viman Nagar, IN)

    2012-06-19T23:59:59.000Z

    A system and method for a motor management system includes a computer readable storage medium and a processing unit. The processing unit configured to determine a voltage value of a voltage input to an alternating current (AC) motor, determine a frequency value of at least one of a voltage input and a current input to the AC motor, determine a load value from the AC motor, and access a set of motor nameplate data, where the set of motor nameplate data includes a rated power, a rated speed, a rated frequency, and a rated voltage of the AC motor. The processing unit is also configured to estimate a motor speed based on the voltage value, the frequency value, the load value, and the set of nameplate data and also store the motor speed on the computer readable storage medium.

  14. Future perspectives of using hollow fibers as structured packings in light hydrocarbon distillation

    SciTech Connect (OSTI)

    Yang, Dali [Los Alamos National Laboratory; Orler, Bruce [Los Alamos National Laboratory; Tornga, Stephanie [Los Alamos National Laboratory; Welch, Cindy [Los Alamos National Laboratory

    2011-01-26T23:59:59.000Z

    Olefin and paraffin are the largest chemical commodities. Furthermore, they are major building blocks for the petrochemical industry. Each year, petroleum refining, consumes 4,500 TBtu/yr in separation energy, making it one of the most energy-intensive industries in the United States). Just considering liquefied petroleum gas (ethane/propane/butane) and olefins (ethylene and propylene) alone, the distillation energy consumption is about 400 TBtu/yr in the US. Since petroleum distillation is a mature technology, incremental improvements in column/tray design will only provide a few percent improvements in the performance. However, each percent saving in net energy use amounts to savings of 10 TBtu/yr and reduces CO{sub 2} emissions by 0.2 MTon/yr. In practice, distillation columns require 100 to 200 trays to achieve the desired separation. The height of a transfer unit (HTU) of conventional packings is typical in the range of 36-60 inch. Since 2006, we had explored using several non-selective membranes as the structured packings to replace the conventional packing materials used in propane and propylene distillation. We obtained the lowest HTU of < 8 inch for the hollow fiber column, which was >5 times shorter than that of the conventional packing materials. In 2008, we also investigated this type of packing materials in iso-/n-butane distillation. Because of a slightly larger relative volatility of iso-/n-butane than that of propane/propylene, a wider and a more stable operational range was obtained for the iso-/n-butane pair. However, all of the experiments were conducted on a small scale with flowrate of < 25 gram/min. Recently, we demonstrated this technology on a larger scale (<250 gram/min). Within the loading range of F-factor < 2.2 Pa{sup 0.5}, a pressure drop on the vapor side is below 50 mbar/m, which suggests that the pressure drop of hollow fibers packings is not an engineering barrier for the applications in distillations. The thermal stability study suggests that polypropylene hollow fibers are stable after a long time exposure to C{sub 2} - C{sub 4} mixtures. The effects of packing density on the separation efficiency will be discussed.

  15. APPLICATION OF VACUUM SALT DISTILLATION TECHNOLOGY FOR THE REMOVAL OF FLUORIDE

    SciTech Connect (OSTI)

    Pierce, R.; Pak, D.

    2011-08-10T23:59:59.000Z

    Vacuum distillation of chloride salts from plutonium oxide (PuO{sub 2}) and simulant PuO{sub 2} has been previously demonstrated at Department of Energy (DOE) sites using kilogram quantities of chloride salt. The apparatus for vacuum distillation contains a zone heated using a furnace and a zone actively cooled using either recirculated water or compressed air. During a vacuum distillation operation, a sample boat containing the feed material is placed into the apparatus while it is cool, and the system is sealed. The system is evacuated using a vacuum pump. Once a sufficient vacuum is attained, heating begins. Volatile salts distill from the heated zone to the cooled zone where they condense, leaving behind the non-volatile materials in the feed boat. The application of vacuum salt distillation (VSD) is of interest to the HB-Line Facility and the MOX Fuel Fabrication Facility (MFFF) at the Savannah River Site (SRS). Both facilities are involved in efforts to disposition excess fissile materials. Many of these materials contain chloride and fluoride salt concentrations which make them unsuitable for dissolution without prior removal of the chloride and fluoride salts. Between September 2009 and January 2011, the Savannah River National Laboratory (SRNL) and HB-Line designed, developed, tested, and successfully deployed a system for the distillation of chloride salts. Subsequent efforts are attempting to adapt the technology for the removal of fluoride. Fluoride salts of interest are less-volatile than the corresponding chloride salts. Consequently, an alternate approach is required for the removal of fluoride without significantly increasing the operating temperature. HB-Line Engineering requested SRNL to evaluate and demonstrate the feasibility of an alternate approach using both non-radioactive simulants and plutonium-bearing materials. Whereas the earlier developments targeted the removal of sodium chloride (NaCl) and potassium chloride (KCl), the current activities are concerned with the removal of the halide ions associated with plutonium trifluoride (PuF{sub 3}), plutonium tetrafluoride (PuF{sub 4}), calcium fluoride (CaF{sub 2}), and calcium chloride (CaCl{sub 2}). This report discusses non-radioactive testing of small-scale and pilot-scale systems and radioactive testing of a small-scale system. Experiments focused on demonstrating the chemistry for halide removal and addressing the primary engineering questions associated with a change in the process chemistry.

  16. Electrostatic generator/motor configurations

    DOE Patents [OSTI]

    Post, Richard F

    2014-02-04T23:59:59.000Z

    Electrostatic generators/motors designs are provided that generally may include a first cylindrical stator centered about a longitudinal axis; a second cylindrical stator centered about the axis, a first cylindrical rotor centered about the axis and located between the first cylindrical stator and the second cylindrical stator. The first cylindrical stator, the second cylindrical stator and the first cylindrical rotor may be concentrically aligned. A magnetic field having field lines about parallel with the longitudinal axis is provided.

  17. Method for assessing in-service motor efficiency and in-service motor/load efficiency

    DOE Patents [OSTI]

    Kueck, John D. (Oak Ridge, TN); Otaduy, Pedro J. (Oak Ridge, TN)

    1997-01-01T23:59:59.000Z

    A method and apparatus for assessing the efficiency of an in-service motor. The operating characteristics of the in-service motor are remotely measured. The operating characteristics are then applied to an equivalent circuit for electrical motors. Finally the equivalent circuit is evaluated to determine the performance characteristics of said in-service motor. Based upon the evaluation an individual is able to determine the rotor speed, power output, efficiency, and toque of the in-service motor. Additionally, an individual is able to confirm the calculations by comparing measured values with values obtained as a result of the motor equivalent circuit evaluation.

  18. Spinodal instabilities and the distillation effect in nuclear matter under strong magnetic fields

    E-Print Network [OSTI]

    A. Rabhi; C. Providencia; J. Da Providencia

    2008-11-19T23:59:59.000Z

    We study the effect of strong magnetic fields, of the order of $10^{18}$-$10^{19}$ G, on the instability region of nuclear matter at subsaturation densities. Relativistic nuclear models both with constant couplings and with density dependent parameters are considered. It is shown that a strong magnetic field can have large effects on the instability regions giving rise to bands of instability and wider unstable regions. As a consequence we predict larger transition densities at the inner edge of the crust of compact stars with strong magnetic field. The direction of instability gives rise to a very strong distillation effect if the last Landau level is only partially filled. However, for almost completed Landau levels an anti-distillation effect may occur.

  19. Negative Quasi-Probability Representation is a Necessary Resource for Magic State Distillation

    E-Print Network [OSTI]

    Veitch, Victor; Emerson, Joseph

    2012-01-01T23:59:59.000Z

    The magic state model of quantum computation gives a recipe for universal quantum computation using perfect Clifford operations and repeat preparations of a noisy ancilla state. It is an open problem to determine which ancilla states enable universal quantum computation in this model. Here we show that for systems of odd dimension a necessary condition for a state to enable universal quantum computation is that it have negative representation in a particular quasi-probability representation which is a discrete analogue to the Wigner function. This condition implies the existence of a large class of bound states for magic state distillation: states which cannot be prepared using Clifford operations but do not enable universal quantum computation. This condition also enables an efficient experimental test for distillability.

  20. An evaluation of the potential end uses of a Utah tar sand bitumen. [Tar sand distillate

    SciTech Connect (OSTI)

    Thomas, K.P.; Harnsberger, P.M.; Guffey, F.D.

    1986-09-01T23:59:59.000Z

    To date the commercial application of tar sand deposits in the United States has been limited to their use as paving materials for county roads, parking lots, and driveways because the material, as obtained from the quarries, does not meet federal highway specifications. The bitumen in these deposits has also been the subject of upgrading and refining studies to produce transportation fuels, but the results have not been encouraging from an economic standpoint. The conversion of tar sand bitumen to transportation fuels cannot compete with crude oil refining. The purposes of this study were two-fold. The first was to produce vacuum distillation residues and determine if their properties met ASTM asphalt specifications. The second was to determine if the distillates could serve as potential feedstocks for the production of aviation turbine fuels. The bitumen used for this study was the oil produced during an in situ steamflood project at the Northwest Asphalt Ridge (Utah) tar sand deposit. Two distillation residues were produced, one at +316/sup 0/C and one at +399/sup 0/C. However, only the lower boiling residue met ASTM specifications, in this case as an AC-30 asphalt. The original oil sample met specifications as an AC-5 asphalt. These residue samples showed some unique properties in the area of aging; however, these properties need to be investigated further to determine the implications. It was also suggested that the low aging indexes and high flow properties of the asphalts may be beneficial for pavements that require good low-temperature performance. Two distillate samples were produced, one at IBP-316/sup 0/C and one at IBP-399/sup 0/C. The chemical and physical properties of these samples were determined, and it was concluded that both samples appear to be potential feedstocks for the production of aviation turbine fuels. However, hydrogenation studies need to be conducted and the properties of the finished fuels determined to verify the prediction. 14 refs., 12 tabs.

  1. Experimental and analytical studies of hydrocarbon yields under dry-, steam-, and steam with propane-distillation

    E-Print Network [OSTI]

    Ramirez Garnica, Marco Antonio

    2004-09-30T23:59:59.000Z

    from Instituto Mexicano del Petróleo (IMP), Dr. Fernando Rodriguez de la Garza, and Dr. Jose Luis Sanchez Bujanos from Petróleos Mexicanos (PEMEX), and Lawyer Rolando Rueda de Leon from Diario de Mexico, for their help and valuable advice. I would...-, and Steam with Propane-Distillation. (May 2004) Marco Antonio Ramírez-Garnica, B.S., Instituto Politécnico Nacional; M.S., Instituto Politécnico Nacional, México Chair of Advisory Committee: Dr. Daulat D. Mamora Recent experimental and simulation...

  2. Middle distillate hydrotreatment zeolite catalysts containing Pt/Pd or Ni

    E-Print Network [OSTI]

    Marin-Rosas, Celia

    2009-05-15T23:59:59.000Z

    was financially supported by Instituto Mexicano del Petroleo, Mexico. As a scholarship student, I would like to thank all managers for their help and services. The support provided by Dr. Kenneth Hall in the final step of my research when he was the department....S., Universidad Nacional Autonoma de Mexico, Mexico; M.S., Instituto Politecnico Nacional, Mexico Co-Chairs of Advisory Committee: Dr. Gilbert F. Froment Dr. Rayford G. Anthony A study on middle distillate hydrotreatment zeolite catalysts containing Pt...

  3. ,"U.S. Distillate Fuel Oil and Kerosene Sales by End Use"

    U.S. Energy Information Administration (EIA) 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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National and Regional Data; Row: NAICS Codes; Column: Energy Sources andPlant Liquids,+ LeasePrice SoldPlantGrossDistillateReserves+

  4. Energy Savings Accomplished by Replacing Steam Ejectors with Electric Driven Vacuum Pumps in Crude Distillation Vacuum Towers

    E-Print Network [OSTI]

    Nelson, R. E.

    1982-01-01T23:59:59.000Z

    The low cost of steam combined with the maintenance free operation of steam ejectors has assured their unquestioned use in providing the necessary vacuum for crude distillation vacuum towers. However, the cost of steam production has risen...

  5. Hydrogenation of aromatics in synthetic crude distillates catalyzed by platinum supported in molecular sieves

    SciTech Connect (OSTI)

    Kimbara, N.; Charland, J.P. [CANMET, Ottawa, Ontario (Canada)] [CANMET, Ottawa, Ontario (Canada); Wilson, M.F. [CANMET, Devon, Alberta (Canada)] [CANMET, Devon, Alberta (Canada)

    1996-11-01T23:59:59.000Z

    Catalytic hydrogenation of synthetic crude distillates from Canadian oil sands was carried out over platinum metal supported in pillared interlayered clay (PILC) and Y-zeolite. The molecular sieve supports were employed to modify the properties of dispersed platinum particles and improve their resistance to poisoning by sulfur. The objective was to reduce the distillate aromatic content to meet diesel emission control standards and cetane number requirements. Catalysts were prepared in a series of steps, and metal precursor was loaded using ion-exchange procedures. Characterization was done using X-ray diffraction, hydrogen chemisorption, and proton-induced X-ray emission elemental analysis. Catalytic hydrogenation reactions were carried out by processing distillate feedstocks both high (>100 ppm) and low (<10 ppm) in sulfur using a continuous-flow automated microreactor system. Experimental runs were performed to determine the reaction kinetics and Arrhenius parameters as a means of evaluating and comparing catalyst performance. Significant differences in catalyst activity were found. The Pt/Y-zeolite-alumina catalyst showed a much superior hydrogenation performance under conditions of high sulfur content. The extent of cracking and ring opening was also evaluated and was shown to be minimal under the operating conditions employed.

  6. A novel proportional--integral-derivative control configuration with application to the control of batch distillation

    SciTech Connect (OSTI)

    Alvarez-Ramirez, J.; Monroy-Loperena, R.; Cervantes, I.; Morales, A.

    2000-02-01T23:59:59.000Z

    The aim of this paper is to propose a novel proportional-integral-derivative (PID) control configuration based on an observer structure. Batch distillation is used as the base case study where the regulated output is the distillate composition. The proposed PID control law is derived in the framework of robust nonlinear control with modeling error compensation techniques. A reduced-order observer is proposed to estimate both the derivative of the regulated output and the underlying modeling error. These observations are subsequently used in a control loop to feedback variations of distillate composition (derivative feedback) and to counteract the effects of modeling errors. It is shown that, under certain conditions, the resulting control law is equivalent to a classical PID controller with an antireset windup scheme. Moreover, the tuning of the controller is performed very easily in terms of a prescribed closed-loop time constant and an estimation time constant. Numerical results are provided for binary and multicomponent separations. Sampled/delayed measurements and several sources of uncertainties are considered in order to provide a realistic test scenario for the proposed control design procedure.

  7. Magnetocaloric properties of distilled gadolinium: Effects of structural inhomogeneity and hydrogen impurity

    SciTech Connect (OSTI)

    Burkhanov, G. S.; Kolchugina, N. B.; Chzhan, V. B.; Chistyakov, O. D. [Baikov Institute of Metallurgy and Materials Science RAS, 119991 Moscow (Russian Federation); Tereshina, E. A. [Institute of Physics ASCR, 18221 Prague (Czech Republic); Tereshina, I. S. [Baikov Institute of Metallurgy and Materials Science RAS, 119991 Moscow (Russian Federation); International Laboratory of High Magnetic Fields and Low Temperatures PAS, 53-421 Wroclaw (Poland); Faculty of Physics, Lomonosov Moscow State University, 119991 Moscow (Russian Federation); Politova, G. A. [Baikov Institute of Metallurgy and Materials Science RAS, 119991 Moscow (Russian Federation); International Laboratory of High Magnetic Fields and Low Temperatures PAS, 53-421 Wroclaw (Poland); Badurski, D.; Drulis, H. [Institute of Low Temperature and Structure Research PAS, 50-950 Wroclaw (Poland); Paukov, M.; Havela, L. [Department of Condensed Matter Physics, Faculty of Mathematics and Physics, Charles University, 12116 Prague (Czech Republic)

    2014-06-16T23:59:59.000Z

    High-purity Gd prepared by distillation is a structurally inhomogeneous system consisting of needle-shaped crystals of cross section 0.5–2.5??m with near-c-axis orientation embedded in a matrix of nanosized (30–100?nm) grains. By measuring the magnetocaloric effect (MCE) directly, we find that the MCE values differ markedly for the plate-shaped samples cut out of a distillate along and perpendicular to the crystals. The effect of small controlled amounts of impurity (hydrogen) on the properties of distilled Gd is further studied. We observe opposite trends in the MCE response to hydrogen charging with respect to the crystal's orientation within the samples and discuss mechanisms interrelating the unique structural morphology with the impurity behavior. As an overall assessment, the Curie temperatures of ?-GdH{sub x} solid solutions increase from 291?K up to 294?K when increasing hydrogen concentration x from 0 to 0.15. Hydrogenation is found to broaden the ferromagnetic-to-paramagnetic phase transition. Hydrogen-containing specimens demonstrate reversibility of MCE at these temperatures.

  8. Dynein Motor Domain Shows Ring-Shaped Motor, Buttress

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625govInstrumentstdmadapInactiveVisitingContract ManagementDiscovering HowAnaDynamic Switching of theDynein Motor

  9. Dynein Motor Domain Shows Ring-Shaped Motor, Buttress

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField Campaign:INEA :Work with Jefferson LabDynein Motor Domain Shows

  10. Dynein Motor Domain Shows Ring-Shaped Motor, Buttress

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField Campaign:INEA :Work with Jefferson LabDynein Motor Domain ShowsDynein

  11. Dynein Motor Domain Shows Ring-Shaped Motor, Buttress

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville Power AdministrationField Campaign:INEA :Work with Jefferson LabDynein Motor Domain

  12. System and method for determining stator winding resistance in an AC motor using motor drives

    DOE Patents [OSTI]

    Lu, Bin; Habetler, Thomas G; Zhang, Pinjia

    2013-02-26T23:59:59.000Z

    A system and method for determining the stator winding resistance of AC motors is provided. The system includes an AC motor drive having an input connectable to an AC source and an output connectable to an input terminal of an AC motor, a pulse width modulation (PWM) converter having switches therein to control current flow and terminal voltages in the AC motor, and a control system connected to the PWM converter. The control system generates a command signal to cause the PWM converter to control an output of the AC motor drive corresponding to an input to the AC motor, selectively generates a modified command signal to cause the PWM converter to inject a DC signal into the output of the AC motor drive, and determines a stator winding resistance of the AC motor based on the DC signal of at least one of the voltage and current.

  13. Rotary steerable motor system for underground drilling

    DOE Patents [OSTI]

    Turner, William E. (Durham, CT); Perry, Carl A. (Middletown, CT); Wassell, Mark E. (Kingwood, TX); Barbely, Jason R. (Middletown, CT); Burgess, Daniel E. (Middletown, CT); Cobern, Martin E. (Cheshire, CT)

    2010-07-27T23:59:59.000Z

    A preferred embodiment of a system for rotating and guiding a drill bit in an underground bore includes a drilling motor and a drive shaft coupled to drilling motor so that drill bit can be rotated by the drilling motor. The system further includes a guidance module having an actuating arm movable between an extended position wherein the actuating arm can contact a surface of the bore and thereby exert a force on the housing of the guidance module, and a retracted position.

  14. Rotary steerable motor system for underground drilling

    DOE Patents [OSTI]

    Turner, William E. (Durham, CT); Perry, Carl A. (Middletown, CT); Wassell, Mark E. (Kingwood, TX); Barbely, Jason R. (Middletown, CT); Burgess, Daniel E. (Middletown, CT); Cobern, Martin E. (Cheshire, CT)

    2008-06-24T23:59:59.000Z

    A preferred embodiment of a system for rotating and guiding a drill bit in an underground bore includes a drilling motor and a drive shaft coupled to drilling motor so that drill bit can be rotated by the drilling motor. The system further includes a guidance module having an actuating arm movable between an extended position wherein the actuating arm can contact a surface of the bore and thereby exert a force on the housing of the guidance module, and a retracted position.

  15. Electric Motor Remanufacturing and Energy Savings Sahil Sahni1

    E-Print Network [OSTI]

    Gutowski, Timothy

    Electric Motor Remanufacturing and Energy Savings Sahil Sahni1 , Avid Boustani1 , Timothy Gutowski to this study. #12;Contents 1 Introduction to Electric Motors 1 1.1 Motor Classifications . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Performance of Motors . . . . . . . . . . . . . . . . . . . . . . 4 1.3 Impact of motor

  16. -UNIT NAME C-728 Motor Cleaning Facility

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

    UNIT NUMBER 33 -UNIT NAME C-728 Motor Cleaning Facility -REGULATORY STATUS--3:.:::.0:..04(--u) -LOCATION North of C-720 (Map...

  17. Permanent Magnet Development for Automotive Traction Motors

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

    Permanent Magnet Development for Automotive Traction Motors Includes: Beyond Rare Earth Magnets (BREM) Iver E. Anderson Ames Laboratory (USDOE) Email: andersoni@ameslab.gov Phone:...

  18. Electrical system for a motor vehicle

    DOE Patents [OSTI]

    Tamor, Michael Alan (Toledo, OH)

    1999-01-01T23:59:59.000Z

    In one embodiment of the present invention, an electrical system for a motor vehicle comprises a capacitor, an engine cranking motor coupled to receive motive power from the capacitor, a storage battery and an electrical generator having an electrical power output, the output coupled to provide electrical energy to the capacitor and to the storage battery. The electrical system also includes a resistor which limits current flow from the battery to the engine cranking motor. The electrical system further includes a diode which allows current flow through the diode from the generator to the battery but which blocks current flow through the diode from the battery to the cranking motor.

  19. Electrical system for a motor vehicle

    DOE Patents [OSTI]

    Tamor, M.A.

    1999-07-20T23:59:59.000Z

    In one embodiment of the present invention, an electrical system for a motor vehicle comprises a capacitor, an engine cranking motor coupled to receive motive power from the capacitor, a storage battery and an electrical generator having an electrical power output, the output coupled to provide electrical energy to the capacitor and to the storage battery. The electrical system also includes a resistor which limits current flow from the battery to the engine cranking motor. The electrical system further includes a diode which allows current flow through the diode from the generator to the battery but which blocks current flow through the diode from the battery to the cranking motor. 2 figs.

  20. 3.1. MOTOR SYSTEM 35 3.1 Motor System

    E-Print Network [OSTI]

    Toronto, University of

    3.1. MOTOR SYSTEM 35 3.1 Motor System The motor system comprises the dynamic model of the fish fish's brain. Since our goal is to animate an animal realistically and at reasonable computational cost controllers by gleaning information from the fish biomechanics literature (Blake, 1983; Alexander, 1992

  1. Electric Motors and Critical Materials

    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 onYouTube YouTube Note: Since the YouTube|6721 Federal Register / Vol.6:Energy Eighth AnnualELECTRIC MOTORS AND

  2. Brandl Motor | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to:EzfeedflagBiomass ConversionsSouthbyBoston Heights,BoyneTennessee:Brandl Motor Jump to:

  3. Mission Motors | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer Plant JumpMarysville, Ohio:Menomonee|MililaniMindanaoMinuanoIV JumpMotors Jump to:

  4. Motor Systems | 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: Alternative JC3 RSS September 9, 2013 V-237: TYPO3LoveMicrosoft2MitigationMotor Energy

  5. Myers Motors | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer PlantMunhall, Pennsylvania: Energy Resources Jump to:MuskingumMyers Motors Jump to:

  6. BSA Motors | 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 onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual Siteof EnergyInnovation in Carbon CaptureAtria PowerAxeonBCHP ScreeningBLMBSA Motors Jump

  7. Motor Pool Guidelines for Geosciences A completed Motor Pool Request form must be submitted to Denise for

    E-Print Network [OSTI]

    Holliday, Vance T.

    Motor Pool Guidelines for Geosciences · A completed Motor Pool Request form must be submitted on the Geosciences website under the forms link. http://www.geo.arizona.edu/pdf/motor_pool_request.pdf · If the trip be submitted with the Motor Pool Request. · A list of passengers and drivers is for all motor pool travel (this

  8. Abstract--There are two types of drivers in production machine systems: constant velocity (CV) motor and servo-motor.

    E-Print Network [OSTI]

    Zhang, WJ "Chris"

    ) motor and servo-motor. If a system contains two drivers or more, among which some are of the CV motor while the other are the servo-motor, the system has the so-called hybrid driver architecture is stable. A simulation is performed to show verify the proposed controller. The CV motor has the velocity

  9. Motors

    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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHighandSWPA / SPRA /Ml'.SolarUS Dept of Energy, Office26,282.1

  10. Development of Ulta-Efficient Electric Motors

    SciTech Connect (OSTI)

    Shoykhet, B. (Baldor Comp.); Schiferl, R. (Baldor Comp.); Duckworth, R.; Rey, C.M.; Schwenterly, S.W.; Gouge, M.J.

    2008-05-01T23:59:59.000Z

    Electric motors utilize a large amount of electrical energy in utility and industrial applications. Electric motors constructed with high temperature superconducting (HTS) materials have the potential to dramatically reduce electric motor size and losses. HTS motors are best suited for large motor applications at ratings above 1000 horsepower (hp), where the energy savings from the efficiency improvement can overcome the additional power required to keep the superconductors on the rotor cooled. Large HTS based motors are expected to be half the volume and have half the losses of conventional induction motors of the same rating. For a 5000 hp industrial motor, this energy savings can result in $50,000 in operating cost savings over the course of a single year of operation. Since large horsepower motors utilize (or convert) about 30% of the electrical power generated in the United States and about 70% of large motors are candidates for replacement by HTS motors, the annual energy savings potential through the utilization of HTS motors can be up to $1 Billion in the United States alone. Research in the application of HTS materials to electric motors has lead to a number of HTS motor prototypes yet no industrial HTS motor product has yet been introduced. These motor demonstrations have been synchronous motors with HTS field windings, on the rotor. Figure 1-1 shows a solid model rendering of this type of motor. The rotor winding is made with HTS coils that are held at cryogenic temperature by introducing cooling fluid from the cryocooler to the rotor through a transfer coupling. The stator winding is made of copper wire. The HTS winding is thermally isolated from the warm armature and motor shafts by a vacuum insulation space and through the use of composite torque tubes. The stator in Figure 1-1 is an air core stator in that the stator teeth and a small part of the yoke is made up of nonmagnetic material so the magnetic fields distribute themselves as if in air. Between the HTS field winding and the physical air gap is a series of concentric cylinders that act as vacuum insulation space walls as well as conducting paths for induced currents to flow in order to shield the HTS winding and the rotor cold space from time dependent fields. These time dependent fields may be caused by rotor hunting, during a change in motor load, or by non-fundamental component voltages and currents applied by the inverter. These motors are variable speed controlled by the inverter. Common large motor utility and industrial applications are pump and fan drives that are best suited by a variable speed motor. Inverter control of the HTS motor eliminates the need to design the rotor for line starting, which would dump a large amount of heat into the rotor that would then heavily tax the cryogenic cooling system. The field winding is fed by a brushless exciter that provides DC current to the HTS rotor winding. The stator winding is air or water cooled. Technical and commercial hurdles to industrial HTS motor product introduction and customer acceptance include (1) the high cost of HTS wire and the cryogenic cooling system components, (2) customer concerns about reliability of HTS motors, and (3) the ability to attain the loss reduction potential of large HTS motors. Reliance Electric has demonstrated a number of HTS based electric motors up to a 1000 hp, variable speed synchronous motor with an HTS field winding in the year 2000. In 2001 this motor was tested to 1600 hp with a sinusoidal (constant frequency) supply. Figure 1-2 shows the HTS motor on the dynamometer test stand in the Reliance Electric test lab. The extensive test program of the 1000 hp motor successfully demonstrated the technical feasibility of large HTS motors and the basic technologies involved, however the test results did indicate the need for design refinements. In addition, test results served to identify other more fundamental critical technology issues, and revealed the need to continue research efforts in order to improve future HTS motor first cost, reliability, and performa

  11. Permanent magnet assisted synchronous reluctance motor, design and performance improvement

    E-Print Network [OSTI]

    Niazi, Peyman

    2006-04-12T23:59:59.000Z

    Recently, permanent magnet assisted (PMa)-synchronous reluctance motors (SynRM) have been considered as a possible alternative motor drive for high performance applications. In order to have an efficient motor drive, performing of three steps...

  12. Permanent magnet assisted synchronous reluctance motor, design and performance improvement 

    E-Print Network [OSTI]

    Niazi, Peyman

    2006-04-12T23:59:59.000Z

    Recently, permanent magnet assisted (PMa)-synchronous reluctance motors (SynRM) have been considered as a possible alternative motor drive for high performance applications. In order to have an efficient motor drive, ...

  13. What does motor efference copy represent? evidence from speech production

    E-Print Network [OSTI]

    Niziolek, CA; Nagarajan, SS; Houde, JF

    2013-01-01T23:59:59.000Z

    What does motor efference copy represent? Evidence fromAbbreviated title: What does motor efference copy represent?SJ, Wang X (2003) Sensory-Motor Interaction in the Primate

  14. Motor Neurons Controlling Fluid Ingestion in Drosophila melanogaster

    E-Print Network [OSTI]

    Manzo, Andrea

    2011-01-01T23:59:59.000Z

    coordination of rhythmic motor patterns. J Neurophysiol 90:Figure 3.5. Individual motor neurons project to eitherGraphs as in (C-D) for MN12 motor neurons. n=10-13 flies per

  15. Influence of direct motor-motor interaction in models for cargo transport by a single team of motors

    E-Print Network [OSTI]

    Sebastian Bouzat; Fernando Falo

    2010-12-14T23:59:59.000Z

    We analyze theoretically the effects of excluded-volume interactions between motors on the dynamics of a cargo driven by multiple motors. The model considered shares many commons with other recently proposed in the literature, with the addition of direct interaction between motors and motor back steps. The cargo is assumed to follow a continuum Langevin dynamics, while individual motors evolve following a Monte Carlo algorithm based on experimentally accessible probabilities for discrete forward and backward jumps, and attachment and detachment rates. The links between cargo and motors are considered as non linear springs. By means of numerical simulations we compute the relevant quantities characterizing the dynamical properties of the system, and we compare the results to those for non interacting motors. We find that interactions lead to quite relevant changes in the force-velocity relation for cargo, with a considerable reduction of the stall force, and cause also a notable decrease of the run length. These effects are mainly due to traffic-like phenomena in the microtubule. The consideration of several parallel tracks for motors reduces such effects. However, we find that for realistic values of the number of motors and the number of tracks, the influence of interactions on the global parameters of transport of cargo are far from being negligible. Our studies provide also an analysis of the relevance of motor back steps on the modeling, and of the influence of different assumptions for the detachment rates. In particular, we discuss these two aspects in connection with the possibility of observing processive back motion of cargo at large load forces.

  16. Rare-Earth-Free Traction Motor: Rare Earth-Free Traction Motor for Electric Vehicle Applications

    SciTech Connect (OSTI)

    None

    2012-01-01T23:59:59.000Z

    REACT Project: Baldor will develop a new type of traction motor with the potential to efficiently power future generations of EVs. Unlike today’s large, bulky EV motors which use expensive, imported rare-earth-based magnets, Baldor’s motor could be light, compact, contain no rare earth materials, and have the potential to deliver more torque at a substantially lower cost. Key innovations in this project include the use of a unique motor design, incorporation of an improved cooling system, and the development of advanced materials manufacturing techniques. These innovations could significantly reduce the cost of an electric motor.

  17. Total Economics of Energy Efficient Motors

    E-Print Network [OSTI]

    Nester, A. T.

    1984-01-01T23:59:59.000Z

    Due to the large increases in cost of electrical energy in recent years, the energy savings attainable with the use of energy-efficient motors is very attractive to all motor users. But energy and electric demand charge savings tell only part...

  18. Commercial Motor Vehicle Brake Assessment Tools

    E-Print Network [OSTI]

    Commercial Motor Vehicle Brake Assessment Tools Commercial Motor Vehicle Roadside Technology to deceleration in g's ­ Passing score: BE43.5 · Enforcement tool for only 3 years. · Based solely on brake Brake Research · CMVRTC research built on these enforcement tools ­ Correlation Study ­ Level-1 / PBBT

  19. Oscillation control system for electric motor drive

    DOE Patents [OSTI]

    Slicker, J.M.; Sereshteh, A.

    1988-08-30T23:59:59.000Z

    A feedback system for controlling mechanical oscillations in the torsionally complaint drive train of an electric or other vehicle. Motor speed is converted in a processor to estimate state signals in which a plant model which are used to electronically modify the torque commands applied to the motor. 5 figs.

  20. Oscillation control system for electric motor drive

    DOE Patents [OSTI]

    Slicker, James M. (Union Lake, MI); Sereshteh, Ahmad (Union Lake, MI)

    1988-01-01T23:59:59.000Z

    A feedback system for controlling mechanical oscillations in the torsionally complaint drive train of an electric or other vehicle. Motor speed is converted in a processor to estimate state signals in which a plant model which are used to electronically modify thetorque commands applied to the motor.

  1. Writing Motor Specifications - How to Include Efficiency 

    E-Print Network [OSTI]

    Quartermaine, B. J.

    1980-01-01T23:59:59.000Z

    be as low as 50% load. EFFICIENCY EVALUATION Unless advised otherwise, a motor manufacturer will not know that effiency is to be evaluated and as a result is likely to offer the least cost motor when tendering for a specific application. Hence...

  2. Performance improvement of permanent magnet ac motors

    E-Print Network [OSTI]

    Parsa, Leila

    2005-08-29T23:59:59.000Z

    .????????????????....????.. 19 B. Background............??..?????.??.?????...?.?.... 20 C. Comparing BLDC Motor and PMSM???????????... 24 D. Harmonic Spectrum of MMF in Machines with Non-sinusoidal Winding Distribution??????????????????.. 26 ix TABLE............................................................................ 58 H. Conclusion??????????????????????. 68 III FAULT TOLERANT OPERATION OF PERMANENT MAGNET MOTOR DRIVES?????????????????????? 69 A. Introduction.????????????????....???.?. 69 B. Fault Tolerant Operation of Five-Phase PMSM...

  3. Improve Motor System Efficiency with MotorMaster+, Software Tools for Industry, Industrial Technologies Program (ITP) (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2008-12-01T23:59:59.000Z

    This fact sheet describes how the Industrial Technologies Program MotorMaster+ software tool aids industrial plants with finding energy-efficient motor replacement options and managing motor systems.

  4. High-speed electrical motor evaluation

    SciTech Connect (OSTI)

    Not Available

    1989-02-03T23:59:59.000Z

    Under this task, MTI conducted a general review of state-of-the-art high-speed motors. The purpose of this review was to assess the operating parameters, limitations and performance of existing motor designs, and to establish commercial sources for a motor compatible with the requirements of the Brayton-cycle system. After the motor requirements were established, a list of motor types, manufacturers and designs capable of achieving the requisite performance was compiled. This list was based on an in-house evaluation of designs. Following the establishment of these options, a technical evaluation of the designs selected was conducted. In parallel with their evaluations, MTI focused on the establishment of commercial sources.

  5. Best Practices in Non-Motorized Transport Planning, Implementation...

    Open Energy Info (EERE)

    Best Practices in Non-Motorized Transport Planning, Implementation and Maintenance Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Best Practices in Non-Motorized...

  6. DOE Issues Notice of Proposed Rulemaking for Electric Motors...

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

    Notice of Proposed Rulemaking for Electric Motors Energy Conservation Standards DOE Issues Notice of Proposed Rulemaking for Electric Motors Energy Conservation Standards November...

  7. ameliorate motor performance: Topics by E-print Network

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

    in the presently available methods... Ahmed, Shehab 2000-01-01 2 Stereotype lift in motor performance 1 Running head: STEREOTYPE LIFT IN MOTOR PERFORMANCE Physics...

  8. New rocket propellant and motor design offer high-performance...

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

    New rocket propellant and motor design offer high-performance and safety New rocket propellant and motor design offer high-performance and safety Scientists recently flight tested...

  9. Premium Efficiency Motor Selection and Application Guide - A...

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

    handbook informs new motor purchase decisions by identifying energy and cost savings that can come from replacing motors with premium efficiency units. The handbook provides an...

  10. United States Industrial Motor-Driven Systems Market Assessment...

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

    Motor-Driven Systems Market Assessment: Charting a Roadmap to Energy Savings for Industry United States Industrial Motor-Driven Systems Market Assessment: Charting a Roadmap to...

  11. General Motors Clean Combustion Engines Advanced with Predictive...

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

    Motors Clean Combustion Engines Advanced with Predictive Simulation Tools Sandia National Laboratories (SNL) has been working with General Motors (GM) for over 30 years. In the...

  12. Sandia National Laboratories: Sandia and General Motors: Advancing...

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

    ClimateECAbout ECFacilitiesCRFSandia and General Motors: Advancing Clean Combustion Engines with Predictive Simulation Tools Sandia and General Motors: Advancing Clean Combustion...

  13. Improving Motor and Drive System Performance: A Sourcebook for Industry

    SciTech Connect (OSTI)

    Not Available

    2008-09-01T23:59:59.000Z

    This is one in a series of sourcebooks to assist industrial personnel in understanding and optimizing motors and motor-driven systems

  14. axial motor circuits: Topics by E-print Network

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

    Fundamentals of electromechanical energy conversion. Motors and generators, transformers, single and three- phase power circuits, three-phase induction motor including...

  15. Improving Motor and Drive System Performance - A Sourcebook for...

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

    motors and drives, as well as resources for additional information, tools, software, videos, and training opportunities. Improving Motor and Drive System Performance - A...

  16. United States Industrial Motor Systems Market Opportunities Assessment...

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

    Motor Systems Market Opportunities Assessment: Executive Summary United States Industrial Motor Systems Market Opportunities Assessment: Executive Summary In addition to serving...

  17. Continuous Energy Improvement in Motor Driven Systems - A Guidebook...

    Energy Savers [EERE]

    Continuous Energy Improvement in Motor Driven Systems - A Guidebook for Industry Continuous Energy Improvement in Motor Driven Systems - A Guidebook for Industry This guidebook...

  18. Motor monitoring method and apparatus using high frequency current components

    DOE Patents [OSTI]

    Casada, Donald A. (Knoxville, TN)

    1996-01-01T23:59:59.000Z

    A motor current analysis method and apparatus for monitoring electrical-motor-driven devices. The method and apparatus utilize high frequency portions of the motor current spectra to evaluate the condition of the electric motor and the device driven by the electric motor. The motor current signal produced as a result of an electric motor is monitored and the low frequency components of the signal are removed by a high-pass filter. The signal is then analyzed to determine the condition of the electrical motor and the driven device.

  19. Vacuum Distillation

    U.S. Energy Information Administration (EIA) 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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5 Tables July 1996 Energy Information Administration Office ofthroughYear JanYear JanPropane, No.1Decade6,393 6,810 6,51540 235Day)

  20. A blending problem (Taha, Example 2.3-7, almost) An oil refinery has three stages of production: a distillation tower, which

    E-Print Network [OSTI]

    Galvin, David

    : a distillation tower, which takes in crude oil, up to a maximum of 650,000 barrels per day (bbl/day) and produces that maximizes profit. Note: Taha's Example 2.3-7 has distillation tower capacity 1,500,000 bbl/day, and is otherwise the same. 1 #12;Solution Let x1 be daily input to distillation tower Constraint: 0 x1 650000

  1. Isospin Distillation with Radial Flow: a Test of the Nuclear Symmetry Energy

    E-Print Network [OSTI]

    M. Colonna; V. Baran; M. Di Toro; H. H. Wolter

    2007-07-20T23:59:59.000Z

    We discuss mechanisms related to isospin transport in central collisions between neutron-rich systems at Fermi energies. A fully consistent study of the isospin distillation and expansion dynamics in two-component systems is presented in the framework of a stochastic transport theory. We analyze correlations between fragment observables, focusing on the study of the average N/Z of fragments, as a function of their kinetic energy. We identify an EOS-dependent relation between these observables, allowing to better characterize the fragmentation path and to access new information on the low density behavior of the symmetry energy.

  2. Design, start up, and three years operating experience of an ammonia scrubbing, distillation, and destruction plant

    SciTech Connect (OSTI)

    Gambert, G.

    1996-12-31T23:59:59.000Z

    When the rebuilt Coke Plant started operations in November of 1992, it featured a completely new closed circuit secondary cooler, ammonia scrubbing, ammonia distillation, and ammonia destruction plants. This is the second plant of this type to be built in North America. To remove the ammonia from the gas, it is scrubbed with three liquids: Approximately 185 gallons/minute of cooled stripped liquor from the ammonia stills; Light oil plant condensate; and Optionally, excess flushing liquor. These scrubbers typically reduce ammonia content in the gas from 270 Grains/100 standard cubic feet to 0.2 Grains/100 standard cubic feet.

  3. ,"U.S. Adjusted Sales of Distillate Fuel Oil by End Use"

    U.S. Energy Information Administration (EIA) 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: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National and Regional Data; Row: NAICS Codes; Column: Energy Sources andPlant Liquids,+ LeasePrice SoldPlantGrossDistillate Fuel Oil by End

  4. Electrostatic generator/motor configurations

    DOE Patents [OSTI]

    Post, Richard Freeman

    2012-09-11T23:59:59.000Z

    Electrostatic generators/motors designs are provided that include a stator fixedly connected to a first central support centered about a central axis. The stator elements are attached to the first central support. Similarly, a second stator is connected to a central support centered about the central axis, and the second stator has stator elements attached to the second central support. A rotor is located between the first stator and the second stator and includes an outer support, where the rotor is rotatably centered about the central axis, the rotor having elements in contact with the outer support, each rotor element having an extending rotor portion that extends radially from the outer support toward the axis of rotation.

  5. A comparison of two energy efficient motors

    SciTech Connect (OSTI)

    Kueck, J.D.; Casada, D.A.; Otaduy, P.J. [Oak Ridge National Lab., TN (United States)

    1998-06-01T23:59:59.000Z

    Limited testing provides evidence that a particular energy efficient motor (EEM) appears to have a unique susceptibility to reduced negative sequence impedance. The effect of the reduction in negative sequence impedance is to allow a higher negative sequence current flow under conditions of voltage unbalance or negative sequence harmonic distortion in the bus voltage. This higher current flow results in additional heating of the rotor and 120 Hz vibration, and may combine with other conditions to cause premature failure. In addition, energy efficient motors operate at slightly higher speeds, and may sometimes cause the driven loads to require more horsepower from the motor causing further overheating. Existing industry guidance for the application of three phase motors in poor power quality environments may be inadequate because this guidance does not consider the combined effect of such conditions as voltage unbalance, harmonic distortion and over voltage. A specific application of an EEM is studied in this paper; the motor may be failing due to a combination of over voltage, voltage unbalance, harmonic distortion and loading the motor to full rated load, while the motor has a Service Factor of 1.0.

  6. The efficiency of the molecular motors

    E-Print Network [OSTI]

    Yunxin Zhang

    2009-02-12T23:59:59.000Z

    Molecular motors convert chemical energy into mechanical work while operating in an environment dominated by Brownian motion. The aim of this paper is to explore the flow of energy between the molecular motors and its surroundings, in particular, its efficiency. Based on the Fokker-Planck equation with either $N$ or infinite chemical states, we find that the energy efficiency of the molecular motors, whether the Stokes efficiency or the usual thermodynamic efficiency, is strictly bounded by 1, because of the dissipation of the energy in both the overdamped surroundings and in the process of the chemical reaction.

  7. Extended core for motor/generator

    DOE Patents [OSTI]

    Shoykhet, Boris A.

    2005-05-10T23:59:59.000Z

    An extended stator core in a motor/generator can be utilized to mitigate losses in end regions of the core and a frame of the motor/generator. To mitigate the losses, the stator core can be extended to a length substantially equivalent to or greater than a length of a magnetically active portion in the rotor. Alternatively, a conventional length stator core can be utilized with a shortened magnetically active portion to mitigate losses in the motor/generator. To mitigate the losses in the core caused by stator winding, the core can be extended to a length substantially equivalent or greater than a length of stator winding.

  8. Extended core for motor/generator

    DOE Patents [OSTI]

    Shoykhet, Boris A.

    2006-08-22T23:59:59.000Z

    An extended stator core in a motor/generator can be utilized to mitigate losses in end regions of the core and a frame of the motor/generator. To mitigate the losses, the stator core can be extended to a length substantially equivalent to or greater than a length of a magnetically active portion in the rotor. Alternatively, a conventional length stator core can be utilized with a shortened magnetically active portion to mitigate losses in the motor/generator. To mitigate the losses in the core caused by stator winding, the core can be extended to a length substantially equivalent or greater than a length of stator winding.

  9. Optimization of induction motor efficiency. Volume 3. Experimental comparison of three-phase standard motors with Wanlass motors. Final report

    SciTech Connect (OSTI)

    Fuchs, E.F.

    1985-12-01T23:59:59.000Z

    Researchers conducted comprehensive laboratory tests to evaluate the effectiveness of the Wanlass connection in improving motor efficiency. On the basis of these tests, they found no reason to conclude that such a connection is more efficient than the standard connection.

  10. Magic State Distillation and Gate Compilation in Quantum Algorithms for Quantum Chemistry

    E-Print Network [OSTI]

    Colin J. Trout; Kenneth R. Brown

    2015-01-29T23:59:59.000Z

    Quantum algorithms for quantum chemistry map the dynamics of electrons in a molecule to the dynamics of a coupled spin system. To reach chemical accuracy for interesting molecules, a large number of quantum gates must be applied which implies the need for quantum error correction and fault-tolerant quantum computation. Arbitrary fault-tolerant operations can be constructed from a small, universal set of fault-tolerant operations by gate compilation. Quantum chemistry algorithms are compiled by decomposing the dynamics of the coupled spin-system using a Trotter formula, synthesizing the decomposed dynamics using Clifford operations and single-qubit rotations, and finally approximating the single-qubit rotations by a sequence of fault-tolerant single-qubit gates. Certain fault-tolerant gates rely on the preparation of specific single-qubit states referred to as magic states. As a result, gate compilation and magic state distillation are critical for solving quantum chemistry problems on a quantum computer. We review recent progress that has improved the efficiency of gate compilation and magic state distillation by orders of magnitude.

  11. Optimum Requirements for the Synthesis of Biodiesel Using Fatty Acid Distillates

    E-Print Network [OSTI]

    Akunna E. Ejele

    The optimum requirements of temperature, retention time, mole ratio of reactants and catalyst for the direct synthesis of biodiesel from fatty acid distillates of palm kernel oil using tetraoxosulphate (VI) acid as catalyst was studied. The following parameters were used for the efficient and economic production of biodiesel: eight (8) moles of methanol per mole of fatty acid, 0.06 mole of tetraoxosulphate (VI) acid per mole of fatty acid, a retention time of sixty (60) minutes and reaction temperature of 65 OC. And this gave a maximum percentage yield of 98.4. Other parameters obtained include: an acid value of 0.1683 mg KOH/g, iodine value of 15.3549, flash point of 209 OC, viscosity of 3.7957 mm2s-1, density of 0.8776 g cm-3, water content of 400.05 mg kg-1, soap content of 2.30 mg/kg, and ester content of 98.804 %. From the obtained parameters, the biodiesel produced from fatty acid distillates of palm kernel oil reaches prescribed international standards for biodiesel production.

  12. Synchronous motor with soft start element formed between the motor rotor and motor output shaft to successfully synchronize loads that have high inertia and/or high torque

    DOE Patents [OSTI]

    Umans, Stephen D; Nisley, Donald L; Melfi, Michael J

    2014-10-28T23:59:59.000Z

    A line-start synchronous motor has a housing, a rotor shaft, and an output shaft. A soft-start coupling portion is operatively coupled to the output shaft and the rotor shaft. The soft-start coupling portion is configurable to enable the synchronous motor to obtain synchronous operation and to drive, at least near synchronous speed during normal steady state operation of the motor, a load having characteristics sufficient to prevent obtaining normal synchronous operation of the motor when the motor is operatively connected to the load in the absence of the soft-start coupling. The synchronous motor is sufficiently rated to obtain synchronous operation and to drive, at least near synchronous speed during normal steady state operation of the motor, a load having characteristics sufficient to prevent obtaining normal synchronous operation of the motor when the motor is operatively connected to the load in the absence of the soft-start coupling.

  13. Convective Cooling and Passive Stack Improvements in Motors (Presentation)

    SciTech Connect (OSTI)

    Bennion, K.

    2014-06-01T23:59:59.000Z

    This presentation discusses current research at NREL in convective cooling and passive stack improvements in motors.

  14. Motor transport of self-assembled cargos in crowded environments

    E-Print Network [OSTI]

    Ross, Jennifer

    Motor transport of self-assembled cargos in crowded environments Leslie Conwaya , Derek Woodb is performed by multiple motors working in concert. However, the mechanism of motor association to cargos is unknown. It is also unknown how long individual motors stay attached, how many are active, and how

  15. Inferring Motor Programs from Images of Handwritten Digits

    E-Print Network [OSTI]

    Hinton, Geoffrey E.

    Inferring Motor Programs from Images of Handwritten Digits Geoffrey Hinton and Vinod Nair whose stiffnesses are controlled by a motor program. We show how neural networks can be trained to infer the motor programs required to accurately reconstruct the MNIST digits. The inferred motor programs can

  16. CASE REPORT Open Access Prognostic value of cortically induced motor

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    CASE REPORT Open Access Prognostic value of cortically induced motor evoked activity by TMS) showing total absence of motor activity evoked by transcranial magnetic stimulation (TMS) of spared regions of the left motor cortex, but near-to-complete recovery of motor abilities in the affected hand

  17. Scaling Reinforcement Learning Paradigms for Motor Control 

    E-Print Network [OSTI]

    Vijayakumar, Sethu; Peters, Jan; Schaal, Stefan

    Reinforcement learning offers a general framework to explain reward related learning in artificial and biological motor control. However, current reinforcement learning methods rarely scale to high dimensional movement systems ...

  18. Method and apparatus for large motor control

    DOE Patents [OSTI]

    Rose, Chris R. (Santa Fe, NM); Nelson, Ronald O. (White Rock, NM)

    2003-08-12T23:59:59.000Z

    Apparatus and method for providing digital signal processing method for controlling the speed and phase of a motor involves inputting a reference signal having a frequency and relative phase indicative of a time based signal; modifying the reference signal to introduce a slew-rate limited portion of each cycle of the reference signal; inputting a feedback signal having a frequency and relative phase indicative of the operation of said motor; modifying the feedback signal to introduce a slew-rate limited portion of each cycle of the feedback signal; analyzing the modified reference signal and the modified feedback signal to determine the frequency of the modified reference signal and of the modified feedback signal and said relative phase between said modified reference signal and said modified feedback signal; and outputting control signals to the motor for adjusting said speed and phase of the motor based on the frequency determination and determination of the relative phase.

  19. Total Energy Management in General Motors

    E-Print Network [OSTI]

    DeKoker, N.

    1979-01-01T23:59:59.000Z

    This paper presents an overview of General Motors' energy management program with special emphasis on energy conservation. Included is a description of the total program organization, plant guidelines, communication and motivation techniques...

  20. High speed linear induction motor efficiency optimization

    E-Print Network [OSTI]

    Johnson, Andrew P. (Andrew Peter)

    2005-01-01T23:59:59.000Z

    One of the reasons linear motors, a technology nearly a century old, have not been adopted for a large number of linear motion applications is that they have historically had poor efficiencies. This has restricted the ...