DISTRIBUTION OF HEAT-FLUX DENSITY IN SPIRAL HEAT-EXCHANGERS

被引：0
作者：
BES, T
ROETZEL, W
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来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 1992年 / 35卷 / 06期
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O414.1 [热力学];
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摘要：
An analytical method is developed for the accurate calculation of the temperature changes in countercurrent flow spiral heat exchangers. The spiral is composed of circular arc profiles with the centres of curvature on the angles of an equilateral triangle. Constant overall heat transfer coefficients and heat capacities are assumed. In contrast to the conventional procedure, the heat flux density distribution is considered, which offers considerable advantages over a direct analysis of the fluid temperatures. The influence of various geometrical parameters is investigated and charts are presented for the design and rating of spiral heat exchangers.
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页码：1331 / 1347
页数：17
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