To study the effect of bellows action on heat transfer in clothing system, experiments were done by using a simulated skin (hot plate) and a clothing-material plate which was shuttled up and down over a hot plate to simulate a bellows action of clothing. In part 1, it was found that the effect of air permeability was small. The effect of bellows action on heat transfer has been expected being effected by the number of openings, which is one of the constructive factors. The number of opening was three patterns, 0, 1, and 2. We named each Model Model(0), Model(1), and Model(2) respectively after it's opening number. In comparison Model(1) with Model(2), the effect of bellows action from opening position to middle position of Model(1) was larger than that of Model(2). A simple theoretical analysis was made to explain the heat transfer phenomena in clothing during bellows action. It was found that the nearer the distance from opening was, the larger the magnitude of velocity and thus effect of bellows action was. The velocity near entrance of Model (1) was about twice as fast as that of Model (2). It was the reason tha the effect of bellows action of mode(1) was larger than that of Model (2) around the opening position.
CITATION STYLE
Satsumoto, Y., Itou, Y., Hasebe, Y., & Takeuchi, M. (2003). The effect of bellows action on heat transfer in clothing system - Part 2 The effect of opening condition of clothing. Journal of Fiber Science and Technology, 59(1), 22–29. https://doi.org/10.2115/fiber.59.22
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