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Simultaneous Measurement of Solar Absorptance and Total Hemispherical Emittance
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English
Abstract
An onboard simultaneous measuring method of solar absorptance αS and total hemispherical emittance εH for thermal control materials is proposed. This method allows to determine αS and εH simultaneously by giving different levels of input power to a sheet heater attached to the sample, and there is no need to use the values of the mass or the specific heat of the sample materials for the data reduction. In order to verify this method on the ground, the parameters αS and εH are measured for three kinds of thermal control materials.
Authors
- A. Ohnishi - Institute of Space and Astronautical Science
- Y. Kawada - Institute of Space and Astronautical Science
- T. Hayashi - Institute of Space and Astronautical Science
- T. Hatada - Mechanical Engineering Research Laboratory Hitachi, Ltd.
- K. Tanaka - Mechanical Engineering Research Laboratory Hitachi, Ltd.
Topic
Citation
Ohnishi, A., Kawada, Y., Hayashi, T., Hatada, T. et al., "Simultaneous Measurement of Solar Absorptance and Total Hemispherical Emittance," SAE Technical Paper 881043, 1988, https://doi.org/10.4271/881043.Also In
References
- HAYASHI T. KAWADA Y. OHNISHI A. HATADA T. “Simultaneous Measurement of Solar Absorptance and Total Hemispherical Emittance” Proc. ISTS 1986
- OHNISHI A. HAYASHI T. “Measurement of α S /ε H Ratio by Using a Sun Pointing Sattellite “Tansei 4” ESA Sp-200 October 1983
- OLSTAD S.J. TANAKA F. DEWITT D.P. “Evaluation of a Method for Measuring Spectral Emissivity at Moderate Temperatures” AIAA-85-0991 June 1985
- OHNISHI A. HAYASHI T. “Measurement of Incident Angle Dependence of Solar Absorptance” ESA Sp-200 October 1983
- OHNISHI A. TOYOTOME N. NINOMIYA K. HAYASHI T. “Measurements of Solar Absorptance and Thermal Emittance” Electrical Engineering in Japan 103 1983