AN ANALYTICAL AND EXPERIMENTAL STUDY OF THE PERFORMANCE AND EMISSIONS OF A HYDROGEN FUELED RECIPROCATING ENGINE

An analytical model has been developed for the nitric oxide (NO) emissions and the power output of reciprocating engines fueled by hydrogen. Detailed documentation is provided of the methods used in the model. The results computed are in good agreement with recent experimental results obtained with a conventional engine. The results of the model also are compared with new experimental results from a CFR engine with direct fuel injection. In the latter engine, there was a combustion prechamber with a high turbulence level. The effect of this was found to be a reduction in NO emissions and in power output. The experimental results obtained demonstrate the feasibility of an unthrottled, quality regulated hydrogen engine with very low NO emissions at loads up to one-half of the maximum load. Engine parameters taken into account were compression ratio, mixture equivalence ratio and engine load, ignition timing, injection timing, engine speed, percentage of exhaust gas recirculation and valve timing.

• Corporate Authors:

  Cornell University

  Sibley School of Mechanical and Aerospace Engineering
  Ithaca, NY  United States  14853

  Department of Transportation

  Office of University Research, 1200 New Jersey Avenue, SE
  Washington, DC  United States  20590
• Authors:
  • de Boer, PCT
  • McLean, W J
  • Fagelson, J J
  • Homan, H S
• Publication Date: 1974-6

Media Info

• Pagination: 8 p.

Subject/Index Terms

• TRT Terms: Air quality management; Combustion; Compression; Documents; Engines; Exhaust gases; Feasibility analysis; Fuel injection; Fuels; Hydrogen; Hydrogen fuels; Ignition; Machine valves; Mixtures; Motor fuels; Nitric oxide; Nitrogen oxides; Performance evaluations; Piston engines; Vehicle power plants
• Uncontrolled Terms: Documentation; Parameters; Timing
• Old TRIS Terms: Air pollution abatement; Compression ratio; Motor vehicle engines
• Subject Areas: Data and Information Technology; Energy; Geotechnology; Highways; Materials; Safety and Human Factors; Vehicles and Equipment;

Filing Info

• Accession Number: 00094643
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: Final Rpt., DOT/TST-74/25
• Contract Numbers: DOT-OS-30113
• Files: NTIS, TRIS, USDOT
• Created Date: May 14 1976 12:00AM