Research on ventilation strategy and energy-saving potential based on indoor environmental status of a certain office building
LIU Zhen
CHEN Yong
LIU Yunlong
Abstract：Taking an office building in Chengdu as the research object,combined with the measured data and EnergyPlus dynamic simulation,a multi-factor coupling ventilation strategy based on indoor environmental conditions(thermal comfort,CO2 concentration,PM2.5)is proposed.Research shows that seasonal dynamic regulation can significantly reduce energy consumption:In summer,night pre-cooling ventilation and daytime variable air volume control are adopted;During the transition season,the operation time of mechanical systems is reduced by 62%through the synergy of natural ventilation and mechanical assistance.In winter,the minimum fresh air volume is combined with high-efficiency filtration to balance heat loss and air quality.The simulation results show that the optimization strategy has reduced the cumulative cooling load index for the whole year by 16.58%,pushed back the peak of the maximum cooling load,and demonstrated significant energy-saving potential,especially contributing 41%of the annual energy-saving during the transition season.This research provides a feasible intelligent ventilation solution for office buildings to achieve the'double carbon'goals.
Keywords：office buildingsenergy-saving optimizationventilation strategy
Publication Date：2025-09-25
Online Publishing Date：2025-11-10(First online date of this platform, not the publication date of the document)
Pages：5( 27-31 )