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Application of Gas Analysis to Combustor ResearchThe performance of turbine-engine combustors usually is given in terms of operating limits and combustion efficiency. The latter property is determined most often by measuring the increase in enthalpy across the combustor through the use of thermocouples. This investigation was conducted to determine the ability of gas-analytical techniques to provide additional information about combustor performance. Gas samples were taken at the outlet and two upstream stations and their compositions determined. In addition to over-all combustion efficiency, estimates of local fuel-air ratios, local combustion efficiencies, and heat-release rates can be made. Conclusions can be drawn concerning the causes of combustion inefficiency and may permit corrective design changes to be made more intelligently. The purpose of this investigation was not to present data for a given combustor but rather to show the types and value of additional information that can be gained from gas-analytical data.
Document ID
19980231996
Acquisition Source
Headquarters
Document Type
Other - NASA Memorandum (MEMO)
Authors
Hibbard, R. R. (NASA Lewis Research Center Cleveland, OH United States)
Evans, Albert (NASA Lewis Research Center Cleveland, OH United States)
Date Acquired
September 6, 2013
Publication Date
February 1, 1959
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
E-245
NASA-MEMO-1-26-59E
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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