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Heavy Vehicle Propulsion System Materials Program Semiannual Progress Report for October 1998 Through March 1999

Description: The purpose of the Heavy Vehicle Propulsion System Materials Program is the development of materials: ceramics, intermetallics, metal alloys, and metal and ceramic coatings, to support the dieselization of class 1-3 trucks to realize a 35% fuel-economy improvement over current gasoline-fueled trucks and to support commercialization of fuel-flexible LE-55 low-emissions, high-efficiency diesel engines for class 7-8 trucks. The Office of Transportation Technologies, Office of Heavy Vehicle Technol… more
Date: June 1, 1999
Creator: Johnson, R. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

An indirect sensing technique for diesel fuel quantity control. Technical progress report, October 1--December 31, 1998

Description: Work has proceeded intensely with the objective of completing the commercial prototype system prior to the end of the contract period. At the time of this report, testing and refinement of the commercial version of the system has not been completed. During this reporting period, several major milestones were reached and many significant lessons were learned. These are described. The experimental retrofit system has achieved all performance objectives in engine dynamometer tests. The prototype c… more
Date: January 26, 1999
Creator: MacCarley, C. Arthur
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Isotopic Tracing of Particulate Matter from a Compression Ignition Engine Fueled with Ethanol-in-Diesel Blends

Description: Accelerator Mass Spectrometry (AMS) was used to investigate the relative contribution to diesel engine particulate matter (PM) from the ethanol and diesel fractions of blended fuels. Four test fuels along with a diesel fuel baseline were investigated. The test fuels were comprised of {sup 14}C depleted diesel fuel mixed with contemporary grain ethanol (>400 the {sup 14}C concentration of diesel). An emulsifier (Span 85) or cosolvent (butyl alcohol) was used to facilitate mixing. The experime… more
Date: November 22, 1999
Creator: Cheng, Adelbert S.; Dibble, Robert W. & Buchholz, Bruce
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

X-Ray Absorption Characterization of Diesel Exhaust Particulates

Description: We have characterized particulates from a 1993 11.1 Detroit Diesel Series 60 engine with electronic unit injectors operated using fuels with and without methylcyclopentadienyl manganese tricarbonyl (MMT) and overbased calcium sulfonate added. X-ray photoabsorption (XAS) spectroscopy was used to characterize the diesel particulates. Results reveal a mixture of primarily Mn-phosphate with some Mn-oxide, and Ca-sulfate on the surface of the filtered particulates from the diesel engine.
Date: November 18, 1999
Creator: Nelson, A J; Ferreira, J L; Reynolds, J G & Roos, J W
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Science & Technology Review, December 1999

Description: This month's issue has the following articles: (1) The Laboratory in the News--(a) Revealing images of Titan; (b) Another use for seismic sensors; (c) Groundwater cleanup goes over 1 billion gallons. (2) Commentary by Ray Smith--Carbon Management in Today's Environment. (3) The Internal Combustion Engine at Work--Modeling Considers All Factors: By modeling the workings of the internal combustion engine, Livermore scientists are exploring a novel engine design, a new method for reducing exhaust … more
Date: December 1, 1999
Creator: Eimerl, D
Item Type: Refine your search to only Journal/Magazine/Newsletter
Partner: UNT Libraries Government Documents Department
open access

Development of Innovative Combustion Processes for a Direct-Injection Diesel Engine

Description: In support of the Partnership for a New Generation Vehicle (PNGV) emissions and fuel economy goals, a small-bore, high-speed, direct-injection (HSDI) diesel facility in which to conduct research into the physics of the combustion process relevant to these engines has been developed. The characteristics of this facility are described, and the motivation for selecting these characteristics and their relation to high efficiency, low-emission HSDI engine technology is discussed.
Date: January 1, 1999
Creator: Dec, John & Miles, Paul
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Sintered Reaction Bonded Silicon Parts by Microwave Nitridation Combined with Gas-Pressure Sintering

Description: The cooperative project was a joint development program between Ceradyne and Oak Ridge National Laboratory through Lockheed Martin Energy Research (LMER). Cooperative work was of benefit to both parties. ORNL was able to assess the effect of the microwave nitridation process coupled with gas-pressure sintering for fabrication of parts for advanced diesel engines. Ceradyne gained access to gelcasting expertise and microwave facilities and experience for the nitridation of SRBSN materials. The br… more
Date: January 1, 1999
Creator: Kiggans, J. O.; Mikijelj, B. & Tiegs, T. N.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Heavy vehicle propulsion system materials program semiannual progress report for April 1998 thru September 1998

Description: The purpose of the Heavy Vehicle Propulsion System Materials Program is the development of materials: ceramics, intermetallics, metal alloys, and metal and ceramic coatings, to support the dieselization of class 1--3 trucks to realize a 35{percent} fuel-economy improvement over current gasoline-fueled trucks and to support commercialization of fuel-flexible LE-55 low-emissions, high-efficiency diesel engines for class 7--8 trucks. The Office of Transportation Technologies, Office of Heavy Vehic… more
Date: January 1, 1999
Creator: Johnson, D. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Diesel Emission Control -- Sulfur Effects (DECSE) Program; Phase I Interim Data Report No. 2: NO{sub x} Adsorber Catalysts

Description: The Diesel Emission Control-Sulfur Effects (DECSE) is a joint government/industry program to determine the impact of diesel fuel sulfur levels on emission control systems whose use could lower emissions of nitrogen oxides (NOx) and particulate matter (PM) from on-highway trucks in the 2002--2004 model years. Phase 1 of the program was developed with the following objectives in mind: (1) evaluate the effects of varying the level of sulfur content in the fuel on the emission reduction performance… more
Date: October 15, 1999
Creator: DOE; ORNL; NREL; EMA & MECA
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Diesel Emission Control -- Sulfur Effects (DECSE) Program; Phase I Interim Data Report No. 1

Description: The Diesel Emission Control-Sulfur Effects (DECSE) is a joint government/industry program to determine the impact of diesel fuel sulfur levels on emission control systems whose use could lower emissions of nitrogen oxides (NO{sub x}) and particulate matter (PM) from on-highway trucks in the 2002--2004 model years. Phase 1 of the program was developed with the following objectives in mind: (1) evaluate the effects of varying the level of sulfur content in the fuel on the emission reduction perfo… more
Date: August 15, 1999
Creator: DOE; ORNL; NREL; EMA & MECA
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

An investigation of late-combustion soot burnout in a DI diesel engine using simultaneous planar imaging of soot and OH radical

Description: Diesel engine design continues to be driven by the need to improve performance while at the same time achieving further reductions in emissions. The development of new designs to accomplish these goals requires an understanding of how the emissions are produced in the engine. Laser-imaging diagnostics are uniquely capable of providing this information, and the understanding of diesel combustion and emissions formation has been advanced considerably in recent years by their application. However,… more
Date: October 1, 1999
Creator: Dec, John E. & Kelly-Zion, Peter L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Second Stage Intercooling Using LNG for Turbocharged Heavy Duty Road Vehicles Phase I Final Report

Description: It is well documented in engine performance literature that reduced engine inlet air temperature increases power output and reduces NO, emissions for both diesel and spark ignited (SI) engines. In addition, reduced inlet temperature increases the knock resistance of SI engines. In that most HD natural gas engines are SI derivatives of diesel engines it is appropriate to evaluate the benefits of reduced engine air temperature through LNG fuel. This project investigated the ''real world'' possibi… more
Date: September 21, 1999
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Methylal and Methylal-Diesel Blended Fuels from Use In Compression-Ignition Engines

Description: Gas-to-liquids catalytic conversion technologies show promise for liberating stranded natural gas reserves and for achieving energy diversity worldwide. Some gas-to-liquids products are used as transportation fuels and as blendstocks for upgrading crude derived fuels. Methylal (CH{sub 3}-O-CH{sub 2}-O-CH{sub 3}) also known as dimethoxymethane or DMM, is a gas-to-liquid chemical that has been evaluated for use as a diesel fuel component. Methylal contains 42% oxygen by weight and is soluble in d… more
Date: May 5, 1999
Creator: Vertin, Keith D.; Ohi, James M.; Naegeli, David W.; Childress, Kenneth H.; Hagen, Gary P.; McCarthy, Chris I. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Heavy Vehicle Propulsion Materials Program

Description: The objective of the Heavy Vehicle Propulsion Materials Program is to develop the enabling materials technology for the clean, high-efficiency diesel truck engines of the future. The development of cleaner, higher-efficiency diesel engines imposes greater mechanical, thermal, and tribological demands on materials of construction. Often the enabling technology for a new engine component is the material from which the part can be made. The Heavy Vehicle Propulsion Materials Program is a partnersh… more
Date: April 26, 1999
Creator: Diamond, Sidney & Johnson, D. Ray
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Overview of Engine Combustion Research at Sandia National Laboratories

Description: The objectives of this paper are to describe the ongoing projects in diesel engine combustion research at Sandia National Laboratories' Combustion Research Facility and to detail recent experimental results. The approach we are employing is to assemble experimental hardware that mimic realistic engine geometries while enabling optical access. For example, we are using multi-cylinder engine heads or one-cylinder versions of production heads mated to one-cylinder engine blocks. Optical access is … more
Date: April 26, 1999
Creator: Carling, Robert W. & Singh, Gurpreet
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Thermal Barrier Coatings for Low Emission, High Efficiency Diesel Engine Applications

Description: Thermal efficiencies of 54% have been demonstrated by single cylinder engine testing of advanced diesel engine concepts developed under Department of Energy funding. In order for these concept engines to be commercially viable, cost effective and durable systems for insulating the piston, head, ports and exhaust manifolds will be required. The application and development of new materials such as thick thermal barrier coating systems will be key to insulating these components. Development of tes… more
Date: April 26, 1999
Creator: Beardsley, M. B.; Happoldt, P. G.; Kelley, K. C.; Rejda, E. F. & Socie, D. F.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Multiyear Program Plan: Reducing Friction and Wear in Heavy Vehicles

Description: As described in its multiyear program plan for 1998-2000, the Office of Heavy Vehicle Technologies (OHVT) envisions the development of a fuel-flexible, energy-efficient, near-zero-emissions, heavy-duty U.S. diesel engine technology devolving into all truck classes as a real and viable strategy for reducing energy requirements for commercial transport services and the rapidly growing multipurpose vehicle market (pickups, vans, and sport utility vehicles). Implementation of the OHVT program plan … more
Date: December 13, 1999
Creator: Fessler, R.R. & Fenske, G.R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Insights About Emergency Diesel Generator Failures from the USNRC's Common Cause Failure Database

Description: The US Nuclear Regulatory Commission has sponsored development of a database of common cause failure events for use in commercial nuclear power plant risk and reliability analyses. This paper presents a summary of the results from analysis of the emergency diesel generator data from the database. The presentation is limited to the overall insights, the design and manufacturing cause and the instrumentation and control sub-system.
Date: August 1, 1999
Creator: Mosleh, A.; Rasmuson, D.; Marshall, F. & Wierman, T.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Review of Diesel Exhaust Aftertreatment Programs

Description: The DOE Office of Heavy Vehicle Technologies (OHVT) and its predecessor organizations have maintained aggressive projects in diesel exhaust aftertreatment since 1993. The Energy Policy Act of 1992, Section 2027, specifically authorized DOE to help accelerate the ability of U. S. diesel engine manufacturers to meet emissions regulations while maintaining the compression ignition engines inherently high efficiency. A variety of concepts and devices have been evaluated for NOx and Particulate matt… more
Date: April 26, 1999
Creator: Graves, Ronald L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Diesel and CNG Transit Bus Emissions Characterization By Two Chassis Dynamometer Laboratories: Results and Issues

Description: Emissions of six 32 passenger transit buses were characterized using one of the West Virginia University (WVU) Transportable Heavy Duty Emissions Testing Laboratories, and the fixed base chassis dynamometer at the Colorado Institute for Fuels and High Altitude Engine Research (CIFHAER). Three of the buses were powered with 1997 ISB 5.9 liter Cummins diesel engines, and three were powered with the 1997 5.9 liter Cummins natural gas (NG) counterpart. The NG engines were LEV certified. Objectives … more
Date: May 3, 1999
Creator: Clark, Nigel N.; Rapp, Byron L.; Lyons, Donald W.; Graboski, Michael S.; McCormick, Robert L.; Alleman, Teresa L. et al.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Hydrocarbon and Electrical Requirements in the Plasma During Treatment of NOx in Light-Duty Diesel Engine Exhaust

Description: This paper examines the hydrocarbon (C{sub 1}/NO{sub x} ratio) and electrical energy density (ratio of power to exhaust flow rate) requirements in the plasma during plasma-assisted catalytic reduction of NO{sub x}. The requirements for treatment of NO{sub x} in heavy-duty and light-duty diesel engines are compared. It is shown that, for light-duty applications, the plasma can significantly enhance the catalytic reduction of NO{sub x} with little fuel penalty incurred in the plasma process.
Date: October 28, 1999
Creator: Penetrante, B.; Brusasco,R.M.; Merritt, B.T. & Vogtlin, G.E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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