Transcription of 4 Thermal Surface Finishes - matthewwturner.com
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4 Thermal Surface Finishes - matthewwturner.com
4 thermal surface finishes D. G. Gilmore,* W. K. Stuckey,* and M. Fong t Introduction Spacecraft Thermal designs employ wavelength-dependent Thermal -control coat- ings for various purposes. Solar reflectors, such as second- Surface mirrors, white paints, and silver- or aluminum-backed Teflon, are used to minimize absorbed solar energy, yet they emit energy almost as a blackbody would. To minimize both the absorbed solar energy and infrared (IR) emission, polished metal such as alu- minum foil or gold plating is used. Black paint is commonly utilized on the inte- rior of the vehicle, to facilitate radiant heat transfer among internal components. Thus the existing state of the art includes a rather wide variety of wavelength- dependent coatings. The problems of in-space stability, outgassing, and mechani- cal adhesion to the substrate have all been resolved for most coatings.
4 Thermal Surface Finishes D. G. Gilmore,* W. K. Stuckey,* and M. Fong t Introduction Spacecraft thermal designs employ wavelength-dependent thermal-control coat-
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