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Significance of Errors in High Temperature Measurement
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English
Abstract
This paper discusses the magnitude and sources of errors in high temperature measurements by thermocouples, and the relationship of these errors to final spacecraft design. The range of measurement errors can be greatly reduced by considerations of thermocouple placement, ratios of specimen material and thermocouple conductivity, specific heat, wire diameter, and welding and cementing techniques. Based on results of steady state and transient experiments, the effects of temperature measurement errors on design weight at the. 1600 F range show that structural weight would be increased by 16%, owing to a 50 F measurement error.
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Citation
Moen, W., "Significance of Errors in High Temperature Measurement," SAE Technical Paper 630355, 1963, https://doi.org/10.4271/630355.Also In
References
- Baker, H. Dean Ph.D. “Temperature Measurement in Engineering,” 1 1953 New York John Wiley & Sons, Inc.
- Olsen, Lief O. “Catalytic Effects of Thermocouple Materials,” National Bureau of Standards, SAE 524G, New York, N.Y. April 6 1962
- American Institute of Physics “Temperature - Its Measurement and Control in Science and Industry,” 3 2 “Applied Methods & Instruments.” New York Reinhold Publishing Corp. 1962
- Moen, Walter K. “Applicability of Surface Temperature Measuring Devices to Aircraft and Missile Testing in1000 to 2000 F range,” NAA June 30 1958
- Taylor, Perry R. Ph.D. NAA-S & ID Downey California May 1963
- Caldwell, F. R. “Thermocouple Materials,” National Brueau of Standards March 1 1962
- Beck, James V. “Thermocouple Temperature Disturbances in Low Conductivity Materials,” ASME 1961
- Smith, J. M. NAAMissileDivision Downey, California May 1958