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Quantifying CO 2 Emissions and Energy Production from Power Plants to Run HVAC Systems in ASHRAE-Based Buildings

Author

Listed:
  • Odi Fawwaz Alrebei

    (Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Doha 34110, Qatar)

  • Bushra Obeidat

    (College of Architecture and Design, Jordan University of Science and Technology, Irbid 3030, Jordan)

  • Tamer Al-Radaideh

    (School of Architecture and Design, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA)

  • Laurent M. Le Page

    (Oxford Thermofluids Institute, Oxford University, Oxford OX2 OES, UK)

  • Sally Hewlett

    (School of Engineering, Cardiff University, Cardiff CF24 3AA, UK)

  • Anwar H. Al Assaf

    (Department of Aviation Sciences, Amman Arab University, Amman 11953, Jordan)

  • Abdulkarem I. Amhamed

    (Qatar Environment and Energy Research Institute (QEERI), Hamad Bin Khalifa University, Doha 34110, Qatar)

Abstract

Recent evidence available in the literature has highlighted that the high-energy consumption rate associated with air conditioning leads to the undesired “overcooling” condition in arid-climate regions. To this end, this study quantified the effects of increasing the cooling setpoint temperature on reducing energy consumption and CO 2 emissions to mitigate overcooling. DesignBuilder software was used to simulate the performance of a generic building operating under the currently adopted ASHRAE HVAC criteria. It was found that increasing the cooling setpoint temperature by 1 °C will increase the operative temperature by approximately 0.25 °C and reduce the annual cooling electricity consumption required for each 1 m 2 of an occupied area by approximately 8 kWh/year. This accounts for a reduction of 8% in cooling energy consumption compared to the ASHRAE cooling setpoint (i.e., t_s = 26 °C) and a reduction in the annual CO 2 emission rate to roughly 4.8 kg/m 2 °C. The largest reduction in cooling energy consumption and CO 2 emissions was found to occur in October, with reduced rates of approximately–1.3 kWh/m 2 °C and −0.8 kg/m 2 °C, respectively.

Suggested Citation

  • Odi Fawwaz Alrebei & Bushra Obeidat & Tamer Al-Radaideh & Laurent M. Le Page & Sally Hewlett & Anwar H. Al Assaf & Abdulkarem I. Amhamed, 2022. "Quantifying CO 2 Emissions and Energy Production from Power Plants to Run HVAC Systems in ASHRAE-Based Buildings," Energies, MDPI, vol. 15(23), pages 1-14, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:23:p:8813-:d:980825
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    References listed on IDEAS

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    1. Yang, Liu & Yan, Haiyan & Lam, Joseph C., 2014. "Thermal comfort and building energy consumption implications – A review," Applied Energy, Elsevier, vol. 115(C), pages 164-173.
    2. Mustafaraj, Giorgio & Marini, Dashamir & Costa, Andrea & Keane, Marcus, 2014. "Model calibration for building energy efficiency simulation," Applied Energy, Elsevier, vol. 130(C), pages 72-85.
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    Cited by:

    1. Anwar Hamdan Al Assaf & Odi Fawwaz Alrebei & Laurent M. Le Page & Luai El-Sabek & Bushra Obeidat & Katerina Kaouri & Hamed Abufares & Abdulkarem I. Amhamed, 2023. "Preliminary Design and Analysis of a Photovoltaic-Powered Direct Air Capture System for a Residential Building," Energies, MDPI, vol. 16(14), pages 1-17, July.

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