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Simulation Analysis of Mechanical Fluidized Bed in Adsorption Chillers

Author

Listed:
  • Wojciech Kalawa

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland)

  • Karol Sztekler

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland)

  • Agata Mlonka-Mędrala

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland)

  • Ewelina Radomska

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland)

  • Wojciech Nowak

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland)

  • Łukasz Mika

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland)

  • Tomasz Bujok

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland)

  • Piotr Boruta

    (Faculty of Energy and Fuels, AGH University of Science and Technology, Mickiewicza 30, 30-059 Krakow, Poland)

Abstract

Adsorption systems are alternatives to compressor cooling systems. Apart from many advantages, these systems are characterized by low COP and SCP parameters. One of the most promising options to improve the performance of adsorption chillers is the replacement of the stationary bed with a fluidized one. A fluidized bed significantly increases the heat and mass transfer within the bed, enables better contact between gas and solid phases, and results in the proper mixing of adsorbent particles. This paper presents the possibility of using fluidized beds in adsorption chillers. This paper shows the results of CFD numerical modelling of the operation of a fluidized bed for an adsorption chiller and simulations of the bed temperature profiles during the adsorption and desorption processes of sorbent in a fluidized bed. This article presents an analysis of CFD simulation results for the optimal angle of heat exchangers.

Suggested Citation

  • Wojciech Kalawa & Karol Sztekler & Agata Mlonka-Mędrala & Ewelina Radomska & Wojciech Nowak & Łukasz Mika & Tomasz Bujok & Piotr Boruta, 2023. "Simulation Analysis of Mechanical Fluidized Bed in Adsorption Chillers," Energies, MDPI, vol. 16(15), pages 1-22, August.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:15:p:5817-:d:1211083
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    References listed on IDEAS

    as
    1. Hamed, Ahmed M., 2005. "Experimental investigation on the adsorption/desorption processes using solid desiccant in an inclined-fluidized bed," Renewable Energy, Elsevier, vol. 30(12), pages 1913-1921.
    2. Karol Sztekler & Wojciech Kalawa & Łukasz Mika & Agata Mlonka-Medrala & Marcin Sowa & Wojciech Nowak, 2021. "Effect of Additives on the Sorption Kinetics of a Silica Gel Bed in Adsorption Chiller," Energies, MDPI, vol. 14(4), pages 1-13, February.
    3. Wang, D.C. & Li, Y.H. & Li, D. & Xia, Y.Z. & Zhang, J.P., 2010. "A review on adsorption refrigeration technology and adsorption deterioration in physical adsorption systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(1), pages 344-353, January.
    4. Grabowska, Karolina & Krzywanski, Jaroslaw & Nowak, Wojciech & Wesolowska, Marta, 2018. "Construction of an innovative adsorbent bed configuration in the adsorption chiller - Selection criteria for effective sorbent-glue pair," Energy, Elsevier, vol. 151(C), pages 317-323.
    5. Choudhury, Biplab & Saha, Bidyut Baran & Chatterjee, Pradip K. & Sarkar, Jyoti Prakas, 2013. "An overview of developments in adsorption refrigeration systems towards a sustainable way of cooling," Applied Energy, Elsevier, vol. 104(C), pages 554-567.
    6. Karol Sztekler & Wojciech Kalawa & Łukasz Mika & Marcin Sowa, 2021. "Effect of Metal Additives in the Bed on the Performance Parameters of an Adsorption Chiller with Desalination Function," Energies, MDPI, vol. 14(21), pages 1-27, November.
    7. Hamed, Ahmed M. & Abd El Rahman, Walaa R. & El-Emam, S.H., 2010. "Experimental study of the transient adsorption/desorption characteristics of silica gel particles in fluidized bed," Energy, Elsevier, vol. 35(6), pages 2468-2483.
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