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首页> 外文期刊>International Journal of Heat and Mass Transfer >Experimental study of forced convection heat transfer from a cam shaped tube in cross flows
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Experimental study of forced convection heat transfer from a cam shaped tube in cross flows

机译：横流中凸轮形管强制对流换热的实验研究

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摘要

An experimental investigation has been conducted to clarify forced convection heat transfer characteristic and flow behavior of an isothermal cam shaped tube in cross flow. The range of angle of attack and Reynolds number based on an equivalent circular tube are within 0° < α < 180° and 1.5 x 10~4 < Re_(eq) < 2.7 x 10~4, respectively. The results show that the mean heat transfer coefficient is a maximum at about α = 90° over the whole range of the Reynolds numbers. It is found that thermal hydraulic performance of the cam shaped tube is larger than that of a circular tube with the same surface area except for α = 90° and 120°. Furthermore, the effect of the diameter of the cam shaped tube upon the thermal hydraulic performance is discussed.
机译：已经进行了实验研究以阐明强制对流传热特性和等温凸轮形管在横流中的流动行为。基于等效圆管的攻角范围和雷诺数分别在0°<α<180°和1.5 x 10〜4

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