Optimization of Radiator Core Shape of Vehicle Engine Based on CFD

doi:10.3969/j.issn.1000-1093.2017.09.022

Abstract

Abstract: A radiator air side CFD model and an optimization model of radiator core shape based on CFD are established for reducing the airflow pressure drop and the volume of vehicle engine radiator core to save the cooling fan power and the vehicle engine compartment space. Under the precondition of satisfying the requirement of heat dissipating capacity, the shape of a plate-fin radiator core is optimized based on genetic algorithm by taking the air side pressure drop and the volume of its core as the target functions. The heat dissipation performance of the optimized radiator was verified. The optimized results show that the proposed optimization model is feasible. The primary and secondary sequences of the variables affecting the optimization targets are found by using an orthogonal experimental design method. And the height of radiator core has the most significant influence on the air side pressure drop and the volume of radiator core when the air flow rate is constant. Key

Key words: powermachineryengineering, radiator, computationalfluiddynamics, geneticalgorithm, shapeoptimization

CLC Number:

TK421⁺.12

SUO Wen-chao， XU Xiang， GENG Fei. Optimization of Radiator Core Shape of Vehicle Engine Based on CFD[J]. Acta Armamentarii, 2017, 38(9): 1839-1844.

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第38卷
第9期2017 年9月兵工学报ACTA
ARMAMENTARIIVol.38No.9Sep.2017

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