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High temperature thermocouple and heat flux gauge using a unique thin film-hardware hot junctureA special thin film-hardware material thermocouple (TC) and heat flux gauge concept for a reasonably high temperature and high flux flat plate heat transfer experiment was fabricated and tested to gauge temperatures of 911 K. This concept was developed for minimal disturbance of boundary layer temperature and flow over the plates and minimal disturbance of heat flux through the plates. Comparison of special heat flux gauge Stanton number output at steady-state conditions with benchmark literature data was good and agreement was within a calculated uncertainty of the measurement system. Also, good agreement of special TC and standard TC outputs was obtained and the results are encouraging. Oxidation of thin film thermoelements was a primary failure mode after about 5 of operation.
Document ID
19850007787
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Liebert, C. H. (NASA Lewis Research Center Cleveland, OH, United States)
Holanda, R. (NASA Lewis Research Center Cleveland, OH, United States)
Hippensteele, S. A. (NASA Lewis Research Center Cleveland, OH, United States)
Andracchio, C. A. (NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 5, 2013
Publication Date
December 1, 1984
Subject Category
Instrumentation And Photography
Report/Patent Number
E-2365
NASA-TM-86898
NAS 1.15:86898
Meeting Information
Meeting: Intern. Gas Turbine Conf. and Exhibition
Location: Houston, TX
Country: United States
Start Date: March 17, 1985
End Date: March 21, 1985
Sponsors: ASME
Accession Number
85N16096
Funding Number(s)
PROJECT: RTOP 533-04-1A
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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