A new and simpler design for thin-film heat flux sensors for utilization in high heat flux environments is presented. The design of these sensors consists of a planar differential thermopile made up of a number of thermocouple pairs arranged in a circular array, two different thermal resistance layers deposited on the inside and outside junctions of the thermopile and a high emissivity coating. This design has shown good potential for measuring heat fluxes in severe environments of aerospace propulsion systems.
Novel thin-film heat flux sensors
AIAA, International Aerospace Planes Conference ; 1992 ; Orlando, FL, United States
1992-12-01
Aufsatz (Konferenz)
Keine Angabe
Englisch
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