Comprehensive Energy Consumption Performance of Optoelectronic Glass Trombe Walls in Northwest China
This study develops a comprehensive energy consumption numerical model for an optoelectronic glass Trombe wall using EnergyPlus, integrating coupled thermal, daylighting, and electrical power generation effects on building energy performance. Field experiments validated the model's predictive accuracy for heat transfer, daylighting, and power generation modules. The validated model was then applied to analyze comprehensive energy consumption and energy-saving potential across five representative cities in Northwest China using local meteorological data. A reference room with conventional construction was established to quantify the optimal energy-saving performance of the optoelectronic glass Trombe wall. Results indicate that the optimal transmittance values for Xi'an, Lanzhou, Yinchuan, Xining, and Urumqi are 30%, 40%, 50%, 55%, and 60%, respectively. Compared with the reference room, the optimal energy-saving rates achieved by the optoelectronic glass Trombe wall are 18.4%, 21.9%, 22.7%, 21.4%, and 16.9% for these cities. These findings provide a reference for the application of building-integrated photovoltaic technology in Northwest China and support the advancement of building energy efficiency.