NASA NTRS · 19740000249
Liquid-cooled liner for helmets
Abstract
Liner acts as coolant tubing, manifold, and supporting structures. Fabric of waffle-design is made of several integrated channels (or capillaries) through which coolant liquid can flow. Thin and light-weight liner can be incorporated into any type of helmet or head gear.
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Williams, B. A., Elkins, W.. 1974-12-01. Liquid-cooled liner for helmets. https://ntrs.nasa.gov/citations/19740000249
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