NASA Technical Reports Server (NTRS) : High pdf

NASA Technical Reports Server (NTRS) : High

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Description of the Book:

A 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

• Creator/s: NASA Technical Reports Server (NTRS
• Date: 12/1/1984
• Year: 1984
• Book Topics/Themes: NASA Technical Reports Server (NTRS), AIRFOILS, HEAT FLUX, HEAT TRANSFER, MEASURING INSTRUMENTS, THERMOCOUPLES, THIN FILMS, WALL TEMPERATURE, BOUNDARY LAYER SEPARATION, FAILURE MODES, GAS TURBINES, STANTON NUMBER, TEMPERATURE DISTRIBUTION, THERMAL BOUNDARY LAYER, Liebert, C. H., Holanda, R., Hippensteele, S. A., Andracchio, C. A

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