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Experimental Investigation of Heat Transfer Correlation for Direct Contact Membrane Distillation

机译：直接接触膜蒸馏的传热相关实验研究

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摘要

This paper presents an experimental investigation of heat transfer in direct contact membrane distillation (DCMD)flow channels with and without the spacer. In this experiment, the usual hydrophobic membrane of DCMD is replaced by a copper plate to eliminate mass transfer. The study shows the most appropriate heat transfer correlations for empty channel cases with different channel heights and flow rates. For the case with the spacer in the flow channels, two spacer materials are investigated: nonwoven plastic and woven stainless steel. The paper presents the most appropriate heat transfer correlation for both these spacer materials. Further, the paper presents finding with two more spacer materials, woven fiberglass and aluminum spacer. It is found that the most appropriate heat transfer correlation for these materials is in the turbulent flow regime although the experimentally estimated Reynolds number suggests laminar flow is presented.
机译：本文介绍了在有和没有间隔子的直接接触膜蒸馏（DCMD）流动通道中传热的实验研究。在该实验中，DCMD的常见疏水膜被铜板代替，以消除传质。研究表明，对于具有不同通道高度和流量的空通道情况，最合适的传热相关性。对于在流动通道中有垫片的情况，研究了两种垫片材料：非织造塑料和编织不锈钢。本文介绍了这两种垫片材料的最合适的传热相关性。此外，本文提出了另外两种隔离材料，编织玻璃纤维和铝隔离材料。已发现，尽管实验估算的雷诺数表明存在层流，但这些材料最合适的传热相关性处于湍流状态。

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  • 来源
    《Journal of Heat Transfer》 |2020年第1期|012001.1-012001.13|共13页
  • 作者

    Quoc Linh Ve; Kawtar Rahaoui; Mohammed Bawahab; Hosam Faqeha; Abhijit Date; Aliakbar Akbarzadeh; Minh Cuong Do; Quang Lich Nguyen;

  • 作者单位

    Energy Conservation and Renewable Energy Group School of Engineering RMIT University Bundoora Victoria 3083 Australia Department of Mechanical Engineering University of Agriculture and Forestry Hue University Hue 530000 Vietnam;

    Energy Conservation and Renewable Energy Group School of Engineering RMIT University Bundoora Victoria 3083 Australia;

    Department of Mechanical Engineering University of Agriculture and Forestry Hue University Hue 530000 Vietnam;

  • 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
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