Heat Sink

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Heat Sink

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1. In thermodynamic theory, a means by which heat is stored, or is dissipated or transferred from the system under consideration. </dd>
2. A place toward which the heat moves in a system. </dd>
3. A material capable of absorbing heat; a device utilizing such a material and used as a thermal protection device on a spacecraft or reentry vehicle. </dd>
4. In nuclear propulsion, any thermodynamic device, such as a radiator or condenser, that is designed to absorb the excess heat energy of the working fluid. Also called heat dump. [[/a>|/a> ]]

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use