Engineering:Energy Efficient Engine
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The Energy Efficient Engine was a program funded by NASA in the 1970s to develop technologies suitable for energy efficient turbofans. Its goal was to improve thrust specific fuel consumption by 12% compared to a GE CF6-50C.[1] Both General Electric and Pratt & Whitney produced turbofans for the program. The GE core featured a 23:1 high-pressure (HP) ratio ten-stage HP compressor,[2] later used in the GE90 and GEnx. P&W also used a ten-stage HP compressor in their core, but it developed 14:1 pressure ratio.
References
- ↑ Hall, Edward J.; Lynn, Sean R.; Heidegger, Nathan J.; Delaney, Robert A. (April 1998), Energy Efficient Engine Low Pressure Subsystem Flow Analysis, Lewis Research Center, NASA, pp. 6–7, https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19980232149.pdf
- ↑ "Results.of NASA's Energy Efficient Engine Program". Journal of Propulsion and Power. 1987. doi:10.2514/3.23024. Archived from the original on 2012-04-26. https://web.archive.org/web/20120426050448/http://visualmotives.com/ApolloAero/ACEE_CD_Companion/pdf/Lewis_ACEE%20Project_1_Energy_Efficient_Engine/Results%20of%20Energy%20Efficient%20Engine%20Program%20%281987%29.pdf.
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