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首页> 外文期刊>Applied thermal engineering: Design, processes, equipment, economics >An experimental and analytical study of a variable conductance heat pipe: Application to vehicle thermal management
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An experimental and analytical study of a variable conductance heat pipe: Application to vehicle thermal management

机译：电导率可变热管的实验和分析研究：在车辆热管理中的应用

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This paper reports on about an analytical and experimental study of a Variable Conductance Heat Pipe (VCHP) applied to vehicle thermal management. The reduction of engine energy consumption after a cold start by controlling heating-cooling cycle of oil is the objective of the present study. A theoretical model based on a nodal method and an experimental test bench was developed to study the performance of a copper/water VCHP, using nitrogen as a non-condensable gas. VCHP operate as a thermal switch, with a start-up temperature of 80℃. The effect of the inclination angle (i.e., adverse-gravity, horizontal position or gravity-aided) was studied. The results allowed us to identify the effect of the air mass flow rate on the condenser and the effect inclination angle on the performance of the VCHP. Our results show that the VCHP performance improves with a small inclination angle aiding liquid return to the evaporator.
机译：本文报道了用于汽车热管理的可变电导热管（VCHP）的分析和实验研究。通过控制机油的加热-冷却循环来减少冷启动后的发动机能耗是本研究的目标。建立了基于节点方法和实验测试台的理论模型，以使用氮气作为不可凝气体研究铜/水VCHP的性能。 VCHP作为热敏开关工作，启动温度为80℃。研究了倾斜角度（即反重力，水平位置或重力辅助）的影响。结果使我们能够确定空气流量对冷凝器的影响以及倾角对VCHP性能的影响。我们的结果表明，VCHP性能随倾斜角的减小而提高，从而有助于液体返回蒸发器。

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