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Performance Characteristics of Solid-Desiccant Evaporative Cooling Systems

Author

Listed:
  • Ramadas Narayanan

    (Central Queensland University, University Drive, Bundaberg, QLD 4670, Australia)

  • Edward Halawa

    (Central Queensland University, University Drive, Bundaberg, QLD 4670, Australia
    Barbara Hardy Institute, School of Engineering, University of South Australia, Mawson Lakes, SA 5095, Australia)

  • Sanjeev Jain

    (Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110 016, India)

Abstract

Air conditioning accounts for up to 50% of energy use in buildings. Increased air-conditioning-system installations not only increase total energy consumption but also raise peak load demand. Desiccant evaporative cooling systems use low-grade thermal energy, such as solar energy and waste heat, instead of electricity to provide thermal comfort. This system can potentially lead to significant energy saving, reduction in carbon emissions, and it has a low dew-point operation and large capacity range. Their light weight, simplicity of design, and close-to-atmospheric operation make them easy to maintain. This paper evaluates the applicability of this technology to the climatic conditions of Brisbane, Queensland, Australia, specifically for the residential sector. Given the subtropical climate of Brisbane, where humidity levels are not excessively high during cooling periods, the numerical study shows that such a system can be a potential alternative to conventional compression-based air-conditioning systems. Nevertheless, the installation of such a system in Brisbane’s climate zone requires careful design, proper selection of components, and a cheap heat source for regeneration. The paper also discusses the economy-cycle options for this system in such a climate and compares its effectiveness to natural ventilation.

Suggested Citation

  • Ramadas Narayanan & Edward Halawa & Sanjeev Jain, 2018. "Performance Characteristics of Solid-Desiccant Evaporative Cooling Systems," Energies, MDPI, vol. 11(10), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:10:p:2574-:d:172269
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    References listed on IDEAS

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    1. Balaras, Constantinos A. & Grossman, Gershon & Henning, Hans-Martin & Infante Ferreira, Carlos A. & Podesser, Erich & Wang, Lei & Wiemken, Edo, 2007. "Solar air conditioning in Europe--an overview," Renewable and Sustainable Energy Reviews, Elsevier, vol. 11(2), pages 299-314, February.
    2. Yunlong Ma & Suvash C. Saha & Wendy Miller & Lisa Guan, 2017. "Comparison of Different Solar-Assisted Air Conditioning Systems for Australian Office Buildings," Energies, MDPI, vol. 10(10), pages 1-27, September.
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    Cited by:

    1. Shuo Liu & Chang-Ho Jeong & Myoung-Souk Yeo, 2020. "Effect of Evaporator Position on Heat Pump Assisted Solid Desiccant Cooling Systems," Energies, MDPI, vol. 13(22), pages 1-21, November.
    2. Win-Jet Luo & Dini Faridah & Fikri Rahmat Fasya & Yu-Sheng Chen & Fikri Hizbul Mulki & Utami Nuri Adilah, 2019. "Performance Enhancement of Hybrid Solid Desiccant Cooling Systems by Integrating Solar Water Collectors in Taiwan," Energies, MDPI, vol. 12(18), pages 1-18, September.
    3. Santu Golder & Ramadas Narayanan & Md. Rashed Hossain & Mohammad Rofiqul Islam, 2021. "Experimental and CFD Investigation on the Application for Aerogel Insulation in Buildings," Energies, MDPI, vol. 14(11), pages 1-16, June.
    4. Ramadas Narayanan & Edward Halawa & Sanjeev Jain, 2019. "Dehumidification Potential of a Solid Desiccant Based Evaporative Cooling System with an Enthalpy Exchanger Operating in Subtropical and Tropical Climates," Energies, MDPI, vol. 12(14), pages 1-18, July.
    5. Alexandre F. Santos & Pedro D. Gaspar & Heraldo J. L. Souza, 2021. "Measuring the Energy Efficiency of Evaporative Systems through a New Index—EvaCOP," Energies, MDPI, vol. 14(9), pages 1-12, May.
    6. Fahid Riaz & Muhammad Abdul Qyyum & Awais Bokhari & Jiří Jaromír Klemeš & Muhammad Usman & Muhammad Asim & Muhammad Rizwan Awan & Muhammad Imran & Moonyong Lee, 2021. "Design and Energy Analysis of a Solar Desiccant Evaporative Cooling System with Built-In Daily Energy Storage," Energies, MDPI, vol. 14(9), pages 1-17, April.
    7. Ramadas Narayanan & Subbu Sethuvenkatraman & Roberto Pippia, 2022. "Energy and Comfort Evaluation of Fresh Air-Based Hybrid Cooling System in Hot and Humid Climates," Energies, MDPI, vol. 15(20), pages 1-13, October.
    8. Lanbo Lai & Xiaolin Wang & Gholamreza Kefayati & Eric Hu, 2021. "Evaporative Cooling Integrated with Solid Desiccant Systems: A Review," Energies, MDPI, vol. 14(18), pages 1-23, September.

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