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Techno-Economic Analysis of Glazed, Unglazed and Evacuated Tube Solar Water Heaters

Author

Listed:
  • Syed Ali Raza

    (Department of Engineering Sciences, National University of Sciences and Technology, Islamabad 44000, Pakistan)

  • Syed Sulman Ahmad

    (Department of Engineering Sciences, National University of Sciences and Technology, Islamabad 44000, Pakistan)

  • Tahir Abdul Hussain Ratlamwala

    (Department of Engineering Sciences, National University of Sciences and Technology, Islamabad 44000, Pakistan)

  • Ghulam Hussain

    (Faculty of Mechanical Engineering, GIK Institute of Engineering Sciences and Technology, Topi 23640, Pakistan)

  • Mohammed Alkahtani

    (Department of Industrial Engineering, College of Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia)

Abstract

In the residential sector, a great part of the electricity goes into heating water by electric water heaters, which results in high CO 2 emissions as well as an unprecedented increase in electricity demand leading to an energy crisis. This study offers solar water heaters as a more economical and efficient replacement for electric water heaters. The present study is aimed at investigating the potential for solar water heaters in the subcontinent, especially in India. A feasibility analysis is performed for seven cities in the subcontinent, namely Mumbai, New Delhi, Kolkata, Assam, Gujrat and Madhya Pradesh. Simulated results are based on a solar fraction, equity payback, multiple collectors (one, two or three), horizontal and tilted, type of collector (evacuated tube, glazed and unglazed), electricity saved and greenhouse gas (GHG) emission reduction. The collector’s area is made such that it should receive at least 50% of the solar fraction. The range of payback period varies from five to 15 years. The results show Gujrat being the most ideal site for solar water heaters.

Suggested Citation

  • Syed Ali Raza & Syed Sulman Ahmad & Tahir Abdul Hussain Ratlamwala & Ghulam Hussain & Mohammed Alkahtani, 2020. "Techno-Economic Analysis of Glazed, Unglazed and Evacuated Tube Solar Water Heaters," Energies, MDPI, vol. 13(23), pages 1-18, November.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:23:p:6261-:d:452359
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    References listed on IDEAS

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    2. Gautam, Abhishek & Chamoli, Sunil & Kumar, Alok & Singh, Satyendra, 2017. "A review on technical improvements, economic feasibility and world scenario of solar water heating system," Renewable and Sustainable Energy Reviews, Elsevier, vol. 68(P1), pages 541-562.
    3. Kablan, M.M., 2004. "Techno-economic analysis of the Jordanian solar water heating system," Energy, Elsevier, vol. 29(7), pages 1069-1079.
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    Cited by:

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    2. Ephraim Bonah Agyekum & Tahir Khan & Nimay Chandra Giri, 2023. "Evaluating the Technical, Economic, and Environmental Performance of Solar Water Heating System for Residential Applications–Comparison of Two Different Working Fluids (Water and Glycol)," Sustainability, MDPI, vol. 15(19), pages 1-24, October.

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