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首页> 外文期刊>Journal of enhanced heat transfer >EXPERIMENTAL STUDY OF MIST JET IMPINGEMENT COOLING
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EXPERIMENTAL STUDY OF MIST JET IMPINGEMENT COOLING

机译：雾喷撞击冷却的实验研究

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摘要

In this paper, an experimental study of mist jet impingement cooling over a heated flat surface is performed to identify the effect of Reynolds number, nozzle-to-plate spacing, and mist loading fraction. The parametric experiments were performed for Reynolds numbers ranging from 10,000 to 40,000, nondimensional nozzle-to-plate spacing of 32-56, and loading fraction ranging from 0 to 1%. The present study indicated that the Reynolds number (Re-dhyd) and the loading fraction (f) increases the Nusselt number, whereas increasing the hid ratio adversely affects the cooling. It is concluded that the loading fraction has the highest impact on the cooling controllability, while the Reynolds number and the hid ratio have a secondary and tertiary impact on the cooling. Furthermore, based on the experimental results, a correlation function is developed. It is elucidated that a good correlation function can act as a better alternative over costly and prolonged experiments.
机译：在本文中，进行了在加热的平坦表面上进行雾流冲击冷却的实验研究，以确定雷诺数，喷嘴到板的间距以及雾载率的影响。对雷诺数在10,000到40,000之间，无量纲的喷嘴到印版间距为32-56以及加载分数从0％到1％进行了参数化实验。本研究表明，雷诺数（Re-dhyd）和负载分数（f）增加了Nusselt数，而增加hid比率则对冷却产生不利影响。可以得出结论，负载率对冷却的可控制性影响最大，而雷诺数和隐含比对冷却具有次要和三次影响。此外，基于实验结果，开发了相关函数。阐明了良好的相关函数可以作为昂贵且长时间的实验的更好替代方案。

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