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Airfoil cooling hole plugging by combustion gas impurities of the type found in coal derived fuelsThe plugging of airfoil cooling holes by typical coal-derived fuel impurities was evaluated using doped combustion gases in an atmospheric pressure burner rig. Very high specific cooling air mass flow rates reduced or eliminated plugging. The amount of flow needed was a function of the composition of the deposit. It appears that plugging of film-cooled holes may be a problem for gas turbines burning coal-derived fuels.
Document ID
19790012094
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Deadmore, D. L. (NASA Lewis Research Center Cleveland, OH, United States)
Lowell, C. E. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 3, 2013
Publication Date
February 1, 1979
Subject Category
Propellants And Fuels
Report/Patent Number
NASA-TM-79076
E-9893
DOE/NASA/2593-79/1
Accession Number
79N20265
Funding Number(s)
CONTRACT_GRANT: EF-77-A-01-2593
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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