Potential Investigation of Membrane Energy Recovery Ventilators for the Management of Building Air-Conditioning Loads

Ashraf, Hadeed, Sultan, Muhammad, Sajjad, Uzair, Shahzad, Muhammad Wakil, Farooq, Muhammad, Ibrahim, Sobhy M., Khan, Muhammad Usman and Ahmad Jamil, Muhammad (2022) Potential Investigation of Membrane Energy Recovery Ventilators for the Management of Building Air-Conditioning Loads. Energies, 15 (6). p. 2139. ISSN 1996-1073

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Abstract

The present study provides insights into the energy-saving potential of a membrane energy recovery ventilator (ERV) for the management of building air-conditioning loads. This study explores direct (DEC), Maisotsenko cycle (MEC) evaporative cooling, and vapor compression (VAC) systems with ERV. Therefore, this study aims to explore possible air-conditioning options in terms of temperature, relative humidity, human thermal comfort, wet bulb effectiveness, energy saving potential, and CO2 emissions. Eight different combinations of the above-mentioned systems are proposed in this study i.e., DEC, MEC, VAC, MEC-VAC, and their possible combinations with and without ERVs. A building was modeled in DesignBuilder and simulated in EnergyPlus. The MEC-VAC system with ERV achieved the highest temperature gradient, wet bulb effectiveness, energy-saving potential, optimum relative humidity, and relatively lower CO2 emissions i.e., 19.7 °C, 2.2, 49%, 48%, and 499.2 kgCO2/kWh, respectively. Thus, this study concludes the hybrid MEC-VAC system with ERV the optimum system for the management of building air-conditioning loads.

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