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An experimental investigation of exergy loss reduction in corrugated plate heat exchanger

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  • Pandey, Shive Dayal
  • Nema, V.K.

Abstract

Exergy loss measures ineffectiveness of a heat exchanger. Hence, it was experimentally found in a three-channel 1–1 pass plate heat exchanger (PHE). Air was made to flow in the central channel to get heated by water in the outer channels under conditions of counter and parallel flows. The plates had sinusoidal wavy surfaces having corrugation angle of 30°. Reynolds numbers were in the range of 650–2600 for air and 400–1650 for water. Bulk temperature of air was in the range from 46 °C to 63 °C and that of water in the range 70–75 °C. To avoid entropy generation paradox, two methods have been proposed. In the first method exergy loss is scaled on product of heat capacity rate of cold fluid and its inlet temperature, and in the other on maximum heat transfer rate. The second method helps in arriving at the conclusions more precisely. The experimental results have been compared with the results available in the literature for corrugated water–water PHE. The exergy loss in the sinusoidal PHE is found less than that in the rectangular wavy PHE for given flow conditions and may be attributed to less turbulence and better solid–fluid contact.

Suggested Citation

  • Pandey, Shive Dayal & Nema, V.K., 2011. "An experimental investigation of exergy loss reduction in corrugated plate heat exchanger," Energy, Elsevier, vol. 36(5), pages 2997-3001.
    • Handle: RePEc:eee:energy:v:36:y:2011:i:5:p:2997-3001
    DOI: 10.1016/j.energy.2011.02.043
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    Cited by:

    1. Şöhret, Yasin & Dinç, Ali & Karakoç, T. Hikmet, 2015. "Exergy analysis of a turbofan engine for an unmanned aerial vehicle during a surveillance mission," Energy, Elsevier, vol. 93(P1), pages 716-729.
    2. Zakaria M. Marouf & Mahmoud A. Fouad, 2023. "Combined Energetic and Exergetic Performance Analysis of Air Bubbles Injection into a Plate Heat Exchanger: An Experimental Study," Energies, MDPI, vol. 16(3), pages 1-23, January.
    3. Abu-Khader, Mazen M., 2012. "Plate heat exchangers: Recent advances," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(4), pages 1883-1891.
    4. Arsenyeva, O. & Kapustenko, P. & Tovazhnyanskyy, L. & Khavin, G., 2013. "The influence of plate corrugations geometry on plate heat exchanger performance in specified process conditions," Energy, Elsevier, vol. 57(C), pages 201-207.
    5. Ebrahimzadeh, Edris & Wilding, Paul & Frankman, David & Fazlollahi, Farhad & Baxter, Larry L., 2016. "Theoretical and experimental analysis of dynamic heat exchanger: Retrofit configuration," Energy, Elsevier, vol. 96(C), pages 545-560.
    6. Sadighi Dizaji, Hamed & Jafarmadar, Samad & Hashemian, Mehran, 2015. "The effect of flow, thermodynamic and geometrical characteristics on exergy loss in shell and coiled tube heat exchangers," Energy, Elsevier, vol. 91(C), pages 678-684.
    7. Xiao, Gang & Yang, Tianfeng & Liu, Huanlei & Ni, Dong & Ferrari, Mario Luigi & Li, Mingchun & Luo, Zhongyang & Cen, Kefa & Ni, Mingjiang, 2017. "Recuperators for micro gas turbines: A review," Applied Energy, Elsevier, vol. 197(C), pages 83-99.

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