MAKING TURBOFAN ENGINES MORE ENERGY EFFICIENT

A review of transport aircraft gas turbine engine development and evolution during the past two decades is presented in terms of energy consumption. The interaction and effects of cycle pressure ratio, firing temperature, bypass ratio, and component efficiencies on installed fuel consumption are reviewed. The possibilities for further substantial improvement in energy efficiency with improved operating economics and with improved environmental characteristics are identified and evaluated. Parametric data are presented showing trade-offs in the areas of efficiency and economics. Environmental considerations are also discussed. The balance of these factors in a cost-effective advanced turbofan is discussed.

• Corporate Authors:

  American Society of Mechanical Engineers

  Two Park Avenue
  New York, NY  United States  10016-5990
• Authors:
  • Hemsworth, M C
  • Zipkin, M A
• Publication Date: 1978

Media Info

• Pagination: 13 p.

Subject/Index Terms

• TRT Terms: Aircraft; Cost effectiveness; Economic efficiency; Economics; Energy consumption; Engines; Environment; Fuel conservation; Gas turbines; Noise control; Temperature; Turbine engines; Turbines; Turbofan engines
• Uncontrolled Terms: Aircraft engines; Efficiency
• Old TRIS Terms: Bypass engines; Turbomachinery
• Subject Areas: Aviation; Economics; Energy; Vehicles and Equipment;

Filing Info

• Accession Number: 00176649
• Record Type: Publication
• Source Agency: Engineering Index
• Report/Paper Numbers: ASME 78-GT-189 Preprint
• Files: TRIS
• Created Date: Jun 28 1978 12:00AM