Surface Temperature Measurement Errors

[+] Author and Article Information
N. R. Keltner

Thermal Test and Analysis Division, Sandia National Laboratories, Albuquerque, N. M. 87185

J. V. Beck

Department of Mechanical Engineering, Michigan State University, East Lansing, Mich. 48824

J. Heat Transfer 105(2), 312-318 (May 01, 1983) (7 pages) doi:10.1115/1.3245580 History: Received May 07, 1982; Online October 20, 2009


Mathematical models are developed for the response of surface mounted thermocouples on a thick wall. These models account for the significant causes of errors in both the transient and steady-state response to changes in the wall temperature. In many cases, closed form analytical expressions are given for the response. The cases for which analytical expressions are not obtainable can be easily evaluated on a programmable calculator or a small computer.

Copyright © 1983 by ASME
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