Simulation of Heat Dissipation Process of the Green Building Structure in Cold Areas
Due to the complex climate conditions and drastic temperature fluctuation in cold regions,it is neces-sary to reasonably control the building·s heat dissipation,thus reducing energy consumption.Therefore,a simulation study on the heat dissipation process of green energy-saving buildings in cold regions was proposed.Firstly,the Z transfer function was used to calculate the heat transfer of building walls,thus obtaining the heat transmitted by the roof or walls.Based on the thermal performance and special boundary conditions of the building,the actual periodic disturbance was calculated.Moreover,a non-stationary coupled heat and moisture transfer model for multi-story buildings was built,and then the vapor exchange rate of indoor and outdoor air was analyzed.Finally,the life cycle cost analysis method was used to obtain energy-saving costs,thus achieving the simulation of the heat dissipation process.Experimental results prove that the proposed method can control the building heat dissipation very well,with high energy efficiency.Meanwhile,it effectively reduces energy consumption while maintaining indoor temperature sta-bility.
Cold regionsGreen and energy-savingBuilding heat dissipationZ transfer functionComprehensive temperature
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