百叶窗式翅片散热器的数值模拟和实验研究
首发时间:2010-11-22
摘要:本文先对百叶窗式翅片散热器进行了理论计算,然后对其物理模型进行合理的简化处理,利用ANSYS软件,采用SIMPLE算法和标准k-ε湍流模型,通过求解三维N-S方程和能量方程模拟了散热器的散热过程。最后进行了试验研究, 试验测试和理论计算、数值模拟三者数据基本吻合,说明数值模拟方法能真实反映百叶窗式翅片散热器的传热特性,为散热器的设计和改进提供理论依据。
关键词: 百叶窗式翅片散热器 ANSYS 数值模拟 k-ε湍流模型
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Experimental study and Numerical simulation of the multi-louvered fins heat exchangers
Abstract:In this paper, the theory calculation of the multi-louvered fins heat exchangers was done, on the basis of simplifying the multi-louvered fins heat exchangers's physical model rationally; the cooling process of multi-louvered fins heat exchangers was simulated by using the ANSYS software. During the process of simulation, the SIMPLE arithmetic and k-ε turbulent model were adopted, and then the N-S equation and energy equation were solved. The experimental study of multi-louvered fins heat exchangers was performed subsequently, and the measured data match with simulation and theory calculation results basically. It shows that numerical simulation can really reflect the complicated flow of heat sink interior and some theory basis for the design and improvement of multi-louvered fins heat exchangers is provided.
Keywords: multi-louvered fins heat exchangers ANSYS Numerical simulation k-ε turbulent model
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