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The Effect of Inclination Angle and Reynolds Number on the Performance of a Direct Contact Membrane Distillation (DCMD) Process

Author

Listed:
  • Adnan Alhathal Alanezi

    (Department of Chemical Engineering Technology, College of Technological Studies, The Public Authority for Applied Education and Training (PAAET), P.O. Box 42325, Shuwaikh 70654, Kuwait)

  • Mohammad Reza Safaei

    (Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
    Faculty of Electrical—Electronic Engineering, Duy Tan University, Da Nang 550000, Vietnam
    Center of Research Excellence in Renewable Energy and Power Systems, King Abdulaziz University, Jeddah 21589, Saudi Arabia)

  • Marjan Goodarzi

    (Sustainable Management of Natural Resources and Environment Research Group, Faculty of Environment and Labour Safety, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam)

  • Yasser Elhenawy

    (Mechanical Power Engineering Department, Port-Said University, Port Fuad 42526, Egypt)

Abstract

In this numerical study, a direct contact membrane distillation (DCMD) system has been modeled considering various angles for the membrane unit and the Reynolds number range of 500 to 2000. A two-dimensional model developed based on the Navier–Stokes, energy, and species transport equations were used. The governing equations were solved using the finite volume method (FVM). The results showed that with an increase in the Reynolds number of up to 1500, the heat transfer coefficient for all membrane angles increases, except for the inclination angle of 60°. Also, an increase in the membrane angle up to 90° causes the exit influence to diminish and the heat transfer to be augmented. Such findings revealed that the membrane inclination angle of 90° (referred to as the vertical membrane) with Reynolds number 2000 could potentially have the lowest temperature difference. Likewise, within the Reynolds numbers of 1000 and 2000, by changing the inclination angle of the membrane, temperature difference remains constant, however, for Reynolds numbers up to 500, the temperature difference reduces intensively.

Suggested Citation

  • Adnan Alhathal Alanezi & Mohammad Reza Safaei & Marjan Goodarzi & Yasser Elhenawy, 2020. "The Effect of Inclination Angle and Reynolds Number on the Performance of a Direct Contact Membrane Distillation (DCMD) Process," Energies, MDPI, vol. 13(11), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:11:p:2824-:d:366415
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    References listed on IDEAS

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    1. Li, Qiyuan & Beier, Lisa-Jil & Tan, Joel & Brown, Celia & Lian, Boyue & Zhong, Wenwei & Wang, Yuan & Ji, Chao & Dai, Pan & Li, Tianyu & Le Clech, Pierre & Tyagi, Himanshu & Liu, Xuefei & Leslie, Greg , 2019. "An integrated, solar-driven membrane distillation system for water purification and energy generation," Applied Energy, Elsevier, vol. 237(C), pages 534-548.
    2. Janajreh, Isam & Hussain, Mohammed Noorul & Hashaikeh, Raed & Ahmed, Rizwan, 2018. "Thermal efficiency enhancement of the direct contact membrane distillation: Conductive layer integration and geometrical undulation," Applied Energy, Elsevier, vol. 227(C), pages 7-17.
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    2. Elminshawy, Nabil A.S. & Gadalla, Mamdouh A. & Bassyouni, M. & El-Nahhas, Kamal & Elminshawy, Ahmed & Elhenawy, Y., 2020. "A novel concentrated photovoltaic-driven membrane distillation hybrid system for the simultaneous production of electricity and potable water," Renewable Energy, Elsevier, vol. 162(C), pages 802-817.

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