Title :
A Measurement and Calculation Method for Normal Band Emissivity Based on Radiation Temperature
Author :
Hui, Wang ; Dejiang, Chen
Author_Institution :
China Aerodynamic R&D Center, Hypervelocity Aerodynamics Inst., Mianyang, China
Abstract :
The band emissivity of material thermal radiation under static heating condition is generally measured by trial-error and manual adjustment method of emissivity set value from radiation thermometer. But, this currently measurement method exists the drawback of time consuming to adjust the set emissivity value of radiation thermometer, which result into the incapacity for measurement under dynamic heating condition. Therefore, a novel method for normal band emissivity measurement deduced from wavelength radiation and sample surface temperatures is proposed based on the equivalent principle of radiation energy received. The experiment results show that it is feasible to apply the new measurement and calculation method for normal band emissivity under both static and dynamic heating conditions.
Keywords :
heat radiation; heat treatment; temperature measurement; thermometers; calculation method; dynamic heating condition; emissivity set value; manual adjustment method; material thermal radiation; normal band emissivity; radiation energy principle; radiation temperature; radiation thermometer; sample surface; static heating condition; static heating conditions; trial-error method; Aerodynamics; Heating; Materials; Temperature distribution; Temperature measurement; Wavelength measurement; normal band emissivity; radiation temperature; radiation thermometer; surface temperature;
Conference_Titel :
Instrumentation, Measurement, Computer, Communication and Control, 2011 First International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-0-7695-4519-6
DOI :
10.1109/IMCCC.2011.45
