交错和内联微型引脚鳍阵列的高汽质两相传热

Fourteenth Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm) Pub Date : 2014-05-27 DOI:10.1109/ITHERM.2014.6892284

A. Reeser, A. Bar-Cohen, G. Hetsroni

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引用次数: 6

摘要

我们采用去离子水和HFE-7200作为工作流体，研究了交错和直线微针鳍阵列的两相传热，其出口质量高达90%。在0.96cm宽、2.88cm长的加热基底区域上，内联和交错阵列的等效引脚鳍宽度为153μm，高度为305μm。HFE-7200的质量通量为200千克/立方米至600千克/立方米，水的质量通量为400千克/立方米至1300千克/立方米。水的基本热通量为27 W/cm2至118 W/cm2, HFE-7200的基本热通量为1 W/cm2至36 W/cm2。在这些针鳍阵列中，获得了平均传热系数数据，并成功地将水的平均传热系数与3%的MAE和HFE-7200的平均传热系数关联起来。

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High vapor quality two phase heat transfer in staggered and inline micro pin fin arrays

We investigated two phase heat transfer in staggered and inline micro pin fin arrays, using deionized water and HFE-7200 as working fluids with exit qualities up to 90%,. The inline and staggered arrays have equivalent pin fin width of 153μm and height of 305μm on a heated base area of 0.96cm width by 2.88cm length. Mass fluxes ranged from 200 kg/m²s to 600 kg/m²s for HFE-7200 and 400 kg/m²s to 1300 kg/m²s for water. Base heat fluxes ranged from 27 W/cm² to 118 W/cm² for water, and 1 W/cm² to 36 W/cm² for HFE-7200. Average heat transfer coefficient data were obtained and successfully correlated to 3% MAE for water and 10-13% MAE for HFE-7200 in these pin fin arrays.

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Fourteenth Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (ITherm)

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