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Analysis and optimization of a natural draft heat sink system

机译:自然通风散热系统的分析和优化

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摘要

An analytical solution for a system consisting of a parallel-plate, isothermal heat sink and a chimney is presented. The result is applied to problems in which the size of the overall system is constrained. A ridge of maximum total heat transfer is observed with respect to the channel width and heat sink height. The ridge suggests that heat sink without diminishing thermal performance for natural draft cooling. The flow characteristics of optimal systems reveal that systems with and without chimneys dissipate maximum heat when the velocity profiles within the heat sink are fully developed and developing respectively.
机译:提出了一种由平行板,等温散热器和烟囱组成的系统的解析解决方案。该结果适用于整个系统规模受限制的问题。相对于通道宽度和散热器高度,观察到最大总传热脊。脊表明该散热器不会降低自然通风冷却的热性能。最佳系统的流动特性表明,当散热器内的速度曲线分别完全发展和发展时,有和没有烟囱的系统都会散发最大热量。

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