Flat Panel Vacuum Thermal Insulation and the Super-Dewar Flask
We have investigated the possibility of making an evacuated insulation in flat panel form. Because in many insulations a large portion of the thermal conductivity is contributed by air, its removal from the insulation would give substantial improvement in insulation efficiency. The problem was to make a vacuum space in the form of a fiat panel. The walls of the vacuum space required strong supports against the external atmospheric pressure, and the solid conduction of the supports had to be very low.
KeywordsHeat Transfer Thermal Diffusivity Glass Fiber Heat Transfer Rate Cold Plate
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