Development of the next generation medium-duty natural gas engine

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This report summarizes the work done under this subcontract in the areas of System Design, System Fabrication, and Experimental Program. The report contains the details of the engine development process for achieving throttleless stratified charge spark ignition (SI) engine operation as well as advanced turbocharging strategies. Engine test results showing the potential of the direct-injection stratified charge combustion strategy for increasing part-load engine efficiency on a John Deere 8.1-liter natural gas engine are also included in this report. In addition, steady state and step transient engine data are presented that quantify the performance of a variable geometry turbocharger (VGT) as ... continued below

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Podnar, D.J. & Kubesh, J.T. February 28, 2000.

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Description

This report summarizes the work done under this subcontract in the areas of System Design, System Fabrication, and Experimental Program. The report contains the details of the engine development process for achieving throttleless stratified charge spark ignition (SI) engine operation as well as advanced turbocharging strategies. Engine test results showing the potential of the direct-injection stratified charge combustion strategy for increasing part-load engine efficiency on a John Deere 8.1-liter natural gas engine are also included in this report. In addition, steady state and step transient engine data are presented that quantify the performance of a variable geometry turbocharger (VGT) as well as a modified waste-gated turbocharger on the engine. The benefits of the technologies investigated during this project will be realized in the form of increased drive-cycle efficiency to diesel-like levels, while retaining the low emissions characteristics of a lean-burn natural gas engine.

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  • Other Information: PBD: 28 Feb 2000

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  • Report No.: NREL/SR-540-27503
  • Grant Number: AC36-99GO10337
  • DOI: 10.2172/753777 | External Link
  • Office of Scientific & Technical Information Report Number: 753777
  • Archival Resource Key: ark:/67531/metadc708539

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • February 28, 2000

Added to The UNT Digital Library

  • Sept. 12, 2015, 6:31 a.m.

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  • March 28, 2016, 1:30 p.m.

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Podnar, D.J. & Kubesh, J.T. Development of the next generation medium-duty natural gas engine, report, February 28, 2000; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc708539/: accessed November 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.