不同通风方式下学生宿舍气流速度场数值模拟

本文以南京夏季的气候特点为基础,用CFD手段采用有限容积法对南京某高校典型学生宿舍的通风效果进行模拟,从模拟结果分析并得出了较佳的通风方式,同时得到一系列结论,较重要的一个结论是在窗地面积比为0.114以上时,再增加窗户面积,通风效果增加十分缓慢。而在0.114之下,增加窗户面积。通风效果增加明显。本文所得结论对实际情况有较强的指导意义,可以达到节能的目的。

Numerical Simulation of Velocity Fields of Airflow in Different Manners of Ventilation in Dorms

Based on the summer climate in Nanjing,using the method of Computational Fluid Dynamics(CFD)and the Finite Volume Method,this paper simulates the ventilated effect for a typical student room.With the analysis of the simulation results,a better effect of ventilation was gained.Simultaneity,a series of results were also gained.One important result is that when the ratio of window-area/floor-area is 0.114 above,increasing window-area cause not the increase of ventilated effect.These results have stronger guidance to practical application,which achieves the goal of energy conservation.