Combustion emission measurements with preheated jet fuel

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Proceedings titleProceedings of the ASME Turbo Expo
ConferenceASME 2011 Turbo Expo: Turbine Technical Conference and Exposition, GT2011, 6 June 2011 through 10 June 2011, Vancouver, BC
Pages169174; # of pages: 6
SubjectAero-engine; Combustion emissions; Combustor emission; Cycle performance; Emission measurement; Engine development; Engine operating conditions; Experimental test; Fuel deoxygenation; Fuel temperature; High temperature; High-power; High-pressure and temperatures; Inlet conditions; Low emission; Test campaign; Test rigs; Combustion; Combustors; Exhibitions; Jet fuel; Nitrogen oxides; Temperature; Turbines; Fuels
AbstractJet fuel thermal stability at high temperature is receiving increased attention recently as advanced aero engines are being pushed to high power, high pressure and temperature regimes for improved engine cycle performance and low emissions. This paper describes the rig experimental tests to assess the high fuel temperature effect on combustor emissions. A special test rig facility has been designed and set up for emission measurements with preheated fuel. The purpose of the tests is to evaluate the combustor emission characteristics under nominal and elevated fuel temperatures. The scope of the project is two fold: (1) to design, procure and establish a dedicated hot fuel deoxygenation, fuel preheat facility that can reach temperature up to 600 °F (589 K); (2) to measure combustion emissions, mainly NOx, CO and UHC, at normal and elevated fuel temperature under representative engine operating conditions. The test rig has run for extended duration and proved reliable over the whole test campaign. Measured emission results show that fuel temperature effect on NOx, CO, UHC emissions are marginal, possibly due to the low emission capability of the sector combustor that is less sensitive to fuel inlet condition changes than other combustor designs. These results indicate a manageable risk for engine development with elevated fuel temperature from the emission viewpoint. Copyright © 2011 by ASME and The Crown in Right of Canada.
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AffiliationNational Research Council Canada (NRC-CNRC); Aerospace (AERO-AERO)
Peer reviewedYes
NPARC number21271561
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Record identifier094ee05e-1808-405e-88b2-cc9981b8489c
Record created2014-03-24
Record modified2016-05-09
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