Characteristics of heat and water transfer through a porous plate

Shixue Wang; Like Yue; Fei Wang

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Characteristics of heat and water transfer through a porous plate

机译：通过多孔板传热和水的特性

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摘要

Highlights

•The heat and moisture transfer characteristics of porous plates were studied experimentally.

•The effects of humidifying gas parameters on heat and moisture transfer were evaluated.

•The effect of gas flow direction on heat and moisture transfer was compared.

•The effect of porous plate porosity on heat and moisture transfer was evaluated.

•The dependence of water recovery on various parameters was studied.

Abstract

In this study, an experimental measurement system was established to examine the heat and water transfer process for a porous plate in the self-humidifying system of a fuel cell. The physical parameters of the fluid flow and porous plates were evaluated for their effects on the heat and water transfer characteristics of the porous plates. The results showed that using a countercurrent flow and increasing the inlet temperature and relative humidity of the humidifying gas can improve the heat transfer and water transmission on both sides of the porous plates. Meanwhile, using a countercurrent flow, increasing the inlet temperature of the humidifying gas, and decreasing the relative humidity can improve the water recovery rate. In addition, increasing the porosity of the porous medium can promote water transfer.

机译：

突出显示

• 通过实验研究了多孔板的热和湿传递特性。

• 加湿气体参数对热量和水分传递的影响

• 比较了气流方向对热量和水分传递的影响。

• 多孔板孔隙的影响

• 研究了水回收率对各种参数的依赖性。

摘要

在这项研究中，建立了一个实验测量系统来检查燃料电池自加湿系统中多孔板的热和水传递过程。评价了流体流动和多孔板的物理参数对多孔板的热和水传递特性的影响。结果表明，使用逆流流动并增加加湿气体的入口温度和相对湿度可以改善多孔板两侧的传热和透水率。同时，使用逆流流动，增加加湿气体的入口温度，并降低相对湿度可以提高水的回收率。另外，增加多孔介质的孔隙率可以促进水的转移。

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来源
《International Journal of Heat and Mass Transfer》 |2018年第4期|295-302|共8页
作者
Shixue Wang; Like Yue; Fei Wang;
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作者单位

MOE Key Laboratory of Efficient Utilization of Low and Medium Grade Energy, Tianjin University;

MOE Key Laboratory of Efficient Utilization of Low and Medium Grade Energy, Tianjin University;

MOE Key Laboratory of Efficient Utilization of Low and Medium Grade Energy, Tianjin University;

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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
Fuel cell; Self-humidifying; Porous plate; Heat and water transfer; Water recovery;

机译：燃料电池;自动加湿;多孔板;传热与水输送;回水;

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1. UNSTEADY MHD FREE CONVECTION OF WATER AT 4oC AND HEAT TRANSFER THROUGH POROUS MEDIUM BOUNDED BY AN ISOTHERMAL POROUS VERTICAL PLATE IN PRESENCE OF VARIABLE SUCTION AND HEAT GENERATION ABSORPTION [J] . A K Jhankal International journal of dynamics of fluids . 2017,第1期

机译：不稳定的MHD在4oC中自由对流，并通过在可变抽吸和发热吸收的情况下由等温多孔垂直板的多孔介质进行热传递。
2. UNSTEADY MHD FREE CONVECTION OF WATER AT 4oC AND HEAT TRANSFER THROUGH POROUS MEDIUM BOUNDED BY AN ISOTHERMAL POROUS VERTICAL PLATE IN PRESENCE OF VARIABLE SUCTION AND HEAT GENERATION ABSORPTION [J] . A K Jhankal International journal of dynamics of fluids . 2017,第2期

机译：不稳定的MHD在4oC中自由对流，并通过在可变抽吸和发热吸收的情况下由等温多孔垂直板的多孔介质进行热传递。
3. COMPARISON BETWEEN HEAT TRANSFER CHARACTERISTICS OF TiO2/DEIONIZED WATER AND KAOLIN/DEIONIZED WATER NANOFLUIDS IN THE PLATE HEAT EXCHANGER [J] . Khanlari Ataollah, Sozen Adnan, Variyenli H. Ibrahim, Heat Transfer Research . 2019,第5期

机译：TiO2 /去离子水和高岭土/去离子水纳米流体的传热特性与板式换热器中的热传递特性的比较
4. HEAT TRANSFER AND HYDRAULIC CHARACTERISTICS OF COOLING WATER IN A FLAT PLATE HEAT SINK FOR HIGH HEAT FLUX IGBT [C] . Chang-Nian Chen, Ji-Tian Han, Wei-Ping Gong, ASME international mechanical engineering congress and exposition . 2017

机译：高热通量IGBT平板散热片中冷却水的传热和液压特性
5. Heat transfer and flow friction characteristics of perforated plate heat exchangers. [D] . Rodriguez, Jose Israel. 1991

机译：多孔板式换热器的传热和流动摩擦特性。
6. Steady Boundary Layer Slip Flow along with Heat and Mass Transfer over a Flat Porous Plate Embedded in a Porous Medium [O] . Asim Aziz, J. I. Siddique, Taha Aziz -1

机译：嵌入多孔介质中的平多孔板上的稳定边界层滑流以及传热和传质
7. Discussion: “Force Convection Heat Transfer at an Inclined and Yawed Square Plate—Application to Solar Collectors” (Sparrow, E. M., and Tien, K. K., 1977, ASME J. Heat Transfer, 99, pp. 507–512) and “Local Heat Transfer and Fluid Flow Characteristics for Airflow Oblique or Normal to Square Plate” (Tien, K. K., and Sparrow, E. M., 1979, Internation Journal of Heat and Mass Transfer, 22, pp. 349–359) and “Effect of Finite Width on Heat Transfer and Fluid Flow about an Inclined Rectangular Plate” (Sparrow, E. M., Ramsey, J. W., and Mass, E. A., 1979, ASME J. Heat Transfer, 101, pp. 199–204) [O] . B. Nimmo, S. Zubair 1981

机译：讨论：“在倾斜和偏航的方形板应用于太阳能收集器的强制对流传热”（Sparrow，EM和Tien，KK，1977，Asme J.传热，99，PP。507-512）和“局部热量用于气流倾斜或正常板的转移和流体流动特性“（Tien，KK和Sparrow，EM，1979，热量和传质杂志，22，pp.349-359）和”有限宽度对热量的影响关于倾斜矩形板的转移和流体流动“（Sparrow，EM，Ramsey，JW和Mass，EA，1979，ASME J.传热，101，PP。199-204）

Characteristics of heat and water transfer through a porous plate

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