• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Advanced Powder Technology: The internation Journal of the Society of Powder Technology, Japan >What dominates heat transfer performance of hybrid nanofluid in single pass shell and tube heat exchanger?
【24h】

What dominates heat transfer performance of hybrid nanofluid in single pass shell and tube heat exchanger?

机译：在单通壳和管式热交换器中占据杂交纳米流体的传热性能的主导？

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Influence of nanoparticle volume concentration and proportion on heat transfer performance (HTP) of Al2O3 - Cu/water hybrid nanofluid in a single pass shell and tube heat exchanger is analyzed. Multiphase mixture model is adopted to model the flow. Three-dimensional governing equations and associated boundary conditions are solved using finite volume method. The numerical results are validated with the experimental results. Results indicate that optimized nanoparticle volume concentration and proportion dominate HTP of hybrid nanofluid. Heat transfer coefficient and Nusselt number are monotonic increase functions of nanoparticle volume concentration and proportion. The percentage increase in heat transfer coefficient of hybrid nanofluid is 139% than water and 25% than Cu/water nanofluid. At higher Reynolds number, the increment in Number of Transfer Units (NTU) between water and hybrid nanofluid is close to 75%. Maximum enhancement in Nusselt number for hybrid nanofluid exceeds 90% when compared to nanofluid (Al2O3/Water nanofluid). Consequently, highest heat transfer performance is attained for hybrid nanofluid systems. Effectiveness of heat exchanger increases almost to 124% when hybrid nanofluid is employed. We show that it is higher than water as well (conventional coolant). Results are expected to be helpful in further industrial-scale deployment of nanofluids, which is an area that is currently relevant for ongoing academia-industry partnership efforts worldwide. (C) 2019 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.
机译：分析了纳米颗粒体积浓度的影响和在单通壳和管热交换器中Al2O3 - Cu /水杂化纳米流体的热传递性能（HTP）。采用多相混合模型来模拟流动。使用有限体积法解决了三维控制方程和相关边界条件。使用实验结果验证了数值结果。结果表明，优化的纳米粒子体积浓度和杂交纳米流体的HTP。传热系数和露珠数是纳米粒子体积浓度和比例的单调增加功能。杂交纳米流体的传热系数增加的百分比比水为139％，比Cu /水纳米流体的25％。在较高的雷诺数时，水和杂交纳米流体之间的转移单元（NTU）的增量接近75％。与纳米流体（Al2O3 /水纳米流体）相比，杂种纳米流体的氮纳米流体的Nusselt数的最大增强超过90％。因此，杂交纳米流体系统获得了最高的传热性能。当使用杂种纳米流体时，热交换器的有效性几乎增加到124％。我们表明它也高于水（常规冷却剂）。结果预计有助于进一步的工业规模部署纳米流体，这是目前在全球持续持续的学术界伙伴关系努力的领域。 （c）2019年日本粉末技术学会。由elsevier b.v发表。和日本粉末科技会。版权所有。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号