Altitude performance of a turbojet with alternate fuels

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Proceedings titleProceedings of the ASME Turbo Expo 2011
ConferenceASME TurboExpo 2011: Power for Land, Sea, and Air, 6-10 June 2011, Vancouver, Canada
Pages# of pages: 12
AbstractTo enhance energy security and reduce the environmental impact of aviation, alternate fuels derived from various nonpetroleum based sources are being developed. Currently alternate fuels are produced to match the properties of existing jet fuels allowing the new fuels to be used in current fleets concurrently with traditional jet fuel. The alternate fuels must, therefore, perform as well as the traditional fuels through the entire operating envelope. This paper provides the results of performance testing in an altitude chamber up to 11,300 m (35,000 feet) with a simulated forward speed up to Mach 0.75. The test engine was an instrumented 1.15 kN thrust turbojet burning conventional Jet A-1 as a baseline; a semi-synthetic blend of camelina based hydro processed renewable jet and JP8; a blend of 50% Fischer-Tropsch synthetic paraffinic kerosene and 50% JP8; and a 100% Fischer-Tropsch synthetic paraffinic kerosene. Both steady state and transient performance are presented. The theoretical effect of the alternate fuels for a simple idealized Brayton cycle is also presented. The work was conducted as part of on-going efforts by departments within the Government of Canada to systematically assess alternative aviation fuels.
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AffiliationNRC Institute for Aerospace Research; National Research Council Canada
Peer reviewedYes
NPARC number19727312
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Record identifier87cc88b3-4b70-4a89-b923-addd0e9b02f8
Record created2012-03-27
Record modified2016-05-09
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