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Evaluating Thermocouple Measurement Techniques for Automotive Lighting
Technical Paper
2004-01-0665
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Evaluating thermal concerns is often addressed during the automotive lamp design process. The thermocouple device is used frequently for temperature measurements to locate and quantify hotspots that arise in the automotive lamp assembly. This study seeks to review the techniques used for thermocouple temperature measurement. Common techniques are described in detail and evaluated. An experiment coupled with computer simulation is introduced and performed that tests accuracy and compares the methodology and results of the different thermocouple measurement techniques. The technique that most directly measures both inside (exposed to light source) and outside (away from light source) surface temperature is demonstrated to have advantages. Correlation to heat deflection temperature and thermal damage such as warp and metalization blemish (haze) is described.
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Citation
Poorman, T., Bielecki, J., Chang, M., and El Khatib, F., "Evaluating Thermocouple Measurement Techniques for Automotive Lighting," SAE Technical Paper 2004-01-0665, 2004, https://doi.org/10.4271/2004-01-0665.Also In
References
- Bloomfield R. Temperature Measurement Errors in Automotive Lighting SAE Technical Paper No. 2001-01-0859 . International Congress and Exposition Detroit MI 2001
- Baker H. Ryder E. Baker N. Temperature Measurement in Engineering Omega Press 1975