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首页> 外文期刊>Journal of Heat Transfer >Experimental Investigation on the Thermal and Hydraulic Performance of Alumina-Water Nanofluids in Single-Phase Liquid-Cooled Cold Plates
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Experimental Investigation on the Thermal and Hydraulic Performance of Alumina-Water Nanofluids in Single-Phase Liquid-Cooled Cold Plates

机译：单相液冷冷板中氧化铝-水纳米流体的热力和水力性能的实验研究

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摘要

The thermal and hydraulic performance of single-phase water-based alumina nanofluids used as coolants in liquid-cooled cold plates are reported and results baselined against those using water. Experimental results show that the heat transfer coefficient of the nanofluids increases with increasing particle loading at a fixed Reynolds number. When compared on the basis of a fixed volumetric coolant flowrate, pressure drop, and pumping power, however, no significant enhancements were observed using dilute (2%, 4%, and 6% volume fraction) alumina-water nanofluids (having an average diameter of 50 nm). In some cases, the thermal performance using nanofluids deteriorated. These results suggest that water-based alumina nanofluids do not offer a significant benefit for single-phase cooling in cold plates for the alumina nanofluids tested; yet, there remains an opportunity to identify nanoparticles-base fluid combinations that may improve performance with suggestions made herein. It should also be noted that the results reported in this study have been obtained at different degrees of dilution of a given alumina-water nanofluid having an average particle size of 50 nm.
机译：报告了在液体冷却的冷板中用作冷却剂的单相水基氧化铝纳米流体的热和水力性能，并得出了以水为基准的基线结果。实验结果表明，在固定雷诺数下，纳米流体的传热系数随着颗粒载荷的增加而增加。基于固定的冷却液体积流量，压降和泵送功率进行比较时，使用稀释的（分别为2％，4％和6％的体积分数）氧化铝-水纳米流体（平均直径）没有观察到明显的增强。 50nm）。在某些情况下，使用纳米流体的热性能会下降。这些结果表明，对于测试的氧化铝纳米流体，水基氧化铝纳米流体不会为冷板中的单相冷却提供显着的益处。然而，仍然有机会通过本文提出的建议来鉴定可以改善性能的纳米颗粒基流体组合。还应注意的是，本研究报告的结果是在给定平均粒径为50 nm的氧化铝-水纳米流体的不同稀释度下获得的。

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  • 来源
    《Journal of Heat Transfer》 |2015年第7期|071703.1-071703.9|共9页
  • 作者

    Ehsan Yakhshi-Tafti; Sanjida Tamanna; Howard Pearlman;

  • 作者单位

    Technology Development Group, Advanced Cooling Technologies, Inc., 1046 New Holland Avenue, Lancaster, PA 17601;

    Technology Development Group, Advanced Cooling Technologies, Inc., 1046 New Holland Avenue, Lancaster, PA 17601;

    Technology Development Group, Advanced Cooling Technologies, Inc., 1046 New Holland Avenue, Lancaster, PA 17601;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    alumina-water; nanofluids; cold plate; heat transfer; pressure drop;

    机译：氧化铝水纳米流体冷板传播热量;压力下降;

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