2023 Volume 88 Issue 807 Pages 409-420
The purpose of this paper is to evaluate the thermal insulation performance of insulation foams with complicated shape. Measurements were conducted on several irregularly shaped insulation foams with slit-like shaped deficits according to the calibrated hot box method and CFD analysis was performed to reproduce this measurement situation. It was confirmed that the difference in the method of dividing the radiation calculation surface elements on the sides of the slit affects the amount of heat that passes through the specimen. Both the measured and analyzed thermal resistance of the specimen decreased as the volume loss ratio increased.
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