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Verification of blackbodies emissivity

Published online by Cambridge University Press:  17 December 2010

P. Nemeček  and
I. Christov
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Abstract

Blackbody models are used as referential temperature measuring gauges for radiationthermometers calibration. Their emissivity is usually determined by calculation. Thepresented paper describes an experimental device used to measure local effectiveemissivities, using an optical radiometer. The methods to measure and evaluate emissivityand temperature are described. The results are compared with the theoretical model of acylindrical-conical cavity used to calibrate radiation thermometers.

Keywords

EnglishCAFMET2010papers, emissivity of blackbodies
Type
Research Article
Information
International Journal of Metrology and Quality Engineering , Volume 1 , Issue 2 , 2010 , pp. 67 - 70
Copyright
© EDP Sciences 2010

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References

Références

Bedford, R.E., Ma, C.K., Emissivities of diffuse cavities, II Isothermal and nonisothermal cylindro-cones, J. Opt. Soc. Am. 65, 565-572 (1975) CrossRefGoogle Scholar
D.P. DeWitt, G.D. Nutter, Theory and Practice of Radiation Thermometry (John Wiley & Sons, New York, 1988), p. 1138