SEMI-PASSIVE COOLING USING HIERARCHICAL VASCULATURE
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United States of America
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Mar 10, 2022
app pub date -
Sep 8, 2020
filing date -
Sep 8, 2020
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Abstract
A semi-passive cooling system for a component exposed to a fluid flow utilizes a hierarchical vasculature and a sacrificial transpirant to cool the component. The component includes a body that defines a transpirant reservoir and the hierarchical vasculature. The transpirant is configured to transition between a solid phase and a vapor phase over an operating temperature range of the component.
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