Electrostatic Appliqué for Spacecraft Temperature Control

Details Electrostatic Appliqué for Spacecraft Temperature Control Electrostatic Appliqué for Spacecraft Temperature Control

Jan 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aipc..654..162b&link_type=abstract

SPACE TECHNOLOGY AND APPLICATIONS INT.FORUM-STAIF 2003: Conf.on Thermophysics in Microgravity; Commercial/Civil Next Generation

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Spaceborne And Space Research Instruments, Apparatus, And Components

Scientific paper

The electrostatically controlled radiator (ESR) uses electrostatic hold-down of a high emissivity composite film to control spacecraft skin temperature. It functions as a thermal switch and changes the mode of heat transfer between the spacecraft skin and the radiator film from conduction to radiation and has demonstrated large changes in apparent emissivity. The present device operates at high DC voltages and is designed with a rigid backing. An improved version, termed a micro-ESR, is being fabricated as an appliqué. Since the size has been reduced, much lower operating voltages are possible. In addition, the system is conformal, allowing it to be applied to complex surfaces. This paper discusses the results from vacuum testing of the existing ESR devices. It also describes the process to form the appliqué.

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