Measurements of the Total Absorptivity for Solar Radiation of Several Engineering Materials
- 1 February 1958
- journal article
- research article
- Published by ASME International in Transactions of the American Society of Mechanical Engineers
- Vol. 80 (2) , 373-378
- https://doi.org/10.1115/1.4012376
Abstract
Values are presented of the total solar absorptivity of several porous materials presently being considered for transpiration cooling of high-speed vehicles. To specify these surfaces photomicrographs and a chemical analysis are presented. Two schemes used in the measurement of the absorptivity values are described in the text, a comparison technique and an integrating radiometer method.Keywords
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