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Entropy generation analysis of heat and mass transfer in mixed electrokinetically and pressure driven flow through a slit microchannel

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  • Matin, Meisam Habibi
  • Khan, Waqar Ahmed

Abstract

The entropy generation analysis of heat and mass transfer in a slit microchannel is performed in this study. The flow is assumed to be due to a combination of the electroosmotic body force and the pressure gradient. A fully developed flow with uniform flux at the surface is considered in the analysis. Analytical solutions for velocity, temperature and concentration fields are obtained and then the gradients of these fields are utilized in the entropy generation analysis. The results are presented graphically and discussed in detail.

Suggested Citation

  • Matin, Meisam Habibi & Khan, Waqar Ahmed, 2013. "Entropy generation analysis of heat and mass transfer in mixed electrokinetically and pressure driven flow through a slit microchannel," Energy, Elsevier, vol. 56(C), pages 207-217.
    • Handle: RePEc:eee:energy:v:56:y:2013:i:c:p:207-217
    DOI: 10.1016/j.energy.2013.04.058
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    References listed on IDEAS

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    1. Shamshiri, Mehdi & Khazaeli, Reza & Ashrafizaadeh, Mahmud & Mortazavi, Saeed, 2012. "Heat transfer and entropy generation analyses associated with mixed electrokinetically induced and pressure-driven power-law microflows," Energy, Elsevier, vol. 42(1), pages 157-169.
    2. Bejan, Adrian, 1980. "Second law analysis in heat transfer," Energy, Elsevier, vol. 5(8), pages 720-732.
    3. Ibáñez, Guillermo & López, Aracely & Pantoja, Joel & Moreira, Joel & Reyes, Juan A., 2013. "Optimum slip flow based on the minimization of entropy generation in parallel plate microchannels," Energy, Elsevier, vol. 50(C), pages 143-149.
    4. Ibáñez, Guillermo & Cuevas, Sergio, 2010. "Entropy generation minimization of a MHD (magnetohydrodynamic) flow in a microchannel," Energy, Elsevier, vol. 35(10), pages 4149-4155.
    5. Guo, Jiangfeng & Xu, Mingtian & Cai, Jun & Huai, Xiulan, 2011. "Viscous dissipation effect on entropy generation in curved square microchannels," Energy, Elsevier, vol. 36(8), pages 5416-5423.
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    Cited by:

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    3. Xie, Zhi-Yong & Jian, Yong-Jun, 2017. "Entropy generation of two-layer magnetohydrodynamic electroosmotic flow through microparallel channels," Energy, Elsevier, vol. 139(C), pages 1080-1093.

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