Cylindrical portion of wall of combustion chamber replaced with rhenium foil mounted on holder. Rhenium oxidizes without melting, indicating regions of excess oxidizer in combustion-chamber flow. Rhenium witness foils also useful in detecting excess oxygen and other oxidizers at temperatures between 2,000 and 3,600 degrees F in burner cores of advanced gas-turbine engines.
Rhenium-Foil Witness Cylinders
NASA Tech Briefs ; 16 , 1
1992-01-01
Miscellaneous
No indication
English
Online Contents | 1994
Online Contents | 2001
Online Contents | 1997
Emerald Group Publishing | 2019
|