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Effects of Heat Exchange Tube Structural Parameters on Performance of Vehicle Radiator

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Document pages: 7 pages

Abstract: Inorder to improve the performance of vehicle radiators, a two-dimensional heattransfer steady-state model of the radiator was set up. The influence of thestructural parameters (axial ratio) of the heat exchange tube on the windwardside on the heat transfer performance of the radiator was studied. With theincrease of the axial ratio of the heat exchange tube on the windward side, theheat exchange capacity of the heat exchange tube surface slightly decreases. Theheat exchange area increases significantly, which increases the total heatexchange of the radiator and improves the heat transfer performance of theradiator. When the axial ratio increases from 1.0 to 2.0, the average surfaceheat transfer capacity decreases from 5664.16 W m2 to 5623.57 W m2.

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