POLLUTION REDUCTION TECHNOLOGY PROGRAM FOR SMALL JET AIRCRAFT ENGINES, PHASE 1

A series of combustor pressure rig screening tests were conducted on three combustor concepts applied to the TFE731-2 turbofan engine combustion system for the purpose of evaluating their relative emissions reduction potential consistent with prescribed performance, durability, and envelope contraints. The three concepts and their modifications represented increasing potential for reducing emission levels with the penalty of increased hardware complexity and operational risk. Concept 1 entailed advanced modifications to the present production TFE731-2 combustion system. Concept 2 was based on the incorporation of an axial air-assisted airblast fuel injection system. Concept 3 was a staged premix/prevaporizing combustion system. Significant emissions reductions were achieved in all three concepts, consistent with acceptable combustion system performance. Concepts 2 and 3 were identified as having the greatest achievable emissions reduction potential, and were selected to undergo refinement to prepare for ultimate incorporation within an engine.

• Corporate Authors:

  AiResearch Manufacturing Company

  402 South 36th Street
  Phoenix, AZ  United States  85034
• Authors:
  • Bruce, T W
  • Davis, F G
  • KUHN, T E
  • Mongia, H C
• Publication Date: 1977-9

Media Info

• Pagination: 177 p.

Subject/Index Terms

• TRT Terms: Air pollution; Air quality management; Aircraft exhaust gases; Combustion; Combustion chambers; Combustion efficiency; Engines; Equipment tests; Exhaust gases; Information processing; Jet propelled aircraft; Pollution control; Small aircraft; Turbofan engines; Vehicle design
• Old TRIS Terms: Emission controls; Engine design; Engine tests; Particulate sampling
• Subject Areas: Aviation; Design; Environment; Vehicles and Equipment;

Filing Info

• Accession Number: 00174580
• Record Type: Publication
• Source Agency: National Technical Information Service
• Report/Paper Numbers: NASA-CR-135214 Final Rpt.
• Contract Numbers: NAS3-18560
• Files: TRIS
• Created Date: Mar 14 1978 12:00AM