膜科学与技术

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Thermoelectric refrigeration membrane distillation performance and numerical simulation analysis

Authors： Wei Wenlong 1, Yang Xiaohong 1, Tian Rui 1,2 , Gao Hong1，Yang Shengnan1

Units： 1. College of Energy and Power Engineering, Inner Mongolia University of Technology; Hohhot 010051；

KeyWords： Thermoelectric refrigeration; Membrane distillation; Handed structure parameters ; Vorticity; Temperature gradient

ClassificationCode：TB663

year,volume(issue):pagination： 2015,35(3):63-79

Abstract：

In order to improve the membrane distillation and its mass transfer efficiency, this article bases on the new thermoelectric refrigeration of flat plate type membrane distillation and analyzes the performance of the new cold chamber semiconductor. It mainly carries out a numerical simulation analysis for the difference among many handed structure parameters of heat fault cavity, obtains 2mm membrane heat fault cavity flow field and temperature field. A comparative analysis with different value of boundary layer vortices and temperature gradient. The simulated results show that: groove width is 3mm, vortices value of 60°angle diversion of water disk is 0.088(1/S), temperature gradient is 0.02(℃/mm),it weakens the temperature polarization and concentration polarization of outside the boundary layer at the membrane surface , it lays the foundation for improving the membrane distillation and its mass transfer fluxes methods physical mechanism.

Funds：

国家自然科学基金资助项目（No.51266007）；内蒙古重大基础研究开放课题（No.20130902）

AuthorIntro：

魏文龙(1989-- )，男，内蒙古赤峰市人，硕士研究生，从事热电制冷膜蒸馏技术研究。

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