Transient Thermal Analysis of a Solar-Assisted AHU by Focusing on Heat Recovery and Nanoparticles: Jeddah Climate Zone

In the Jeddah climate region, a lot of energy is assigned to air handling unit (AHU) sector, which should be reduced by using energy-efficient solutions. As passes through cooling coil, consumed reduce temperature along with humidity so that if precooled in previous stages, consumption this energy-intensive section will diminished. Using coldness return heat recovery (HRU), incoming precooled. Based on thermodynamic calculations, June, July, and August, coil power demand reduces 11.6, 13.3, 12%, respectively. summer, owing HRU, an energy-saving 76.08 MWh achieved (12.34% reduction demand). By incorporation solar collectors AHU, heating diminishes 1,206, 1,399, 1,367 kWh To improve solar-assisted AHU effectiveness, MWCNT nanoparticles are injected into collectors, it found saving-energy capability improves 17.7% MWCNT-water at 0.1 vol.%.