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A lightweight bimetallic actuator for spacecraft thermal control (1971)

Schilling, K. L.

In: CASI

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Publication Date: 2005-11-30

Description: The design, development, and construction of two types of active thermal-control systems are described. These designs are based on the controlled angular deflections of spiral-wound bimetallic actuators. The use of these actuators and lightweight louvers results in a frictionless system that is low in weight yet simple in design and low in cost. Both designs exhibit high reliability, good performance repeatability, and do not require power from the spacecraft. Design philosophy and implementation, design tradeoffs, and materials selection are reviewed. The test program is described, and results are presented.

Keywords: INSTRUMENTATION AND PHOTOGRAPHY

Type: NASA. Goddard Space Flight Center 5th Aerospace Mech. Symp.; p 165-170

Format: text

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