The position of the interface hf, flow rate Q, lower and upper level temperature T_2 and T_1 were investigated with thermal plume theory in the case of buoyancy force and buoyancy force assisted by wind. 分别考虑热压单独作用以及热压和风压相互加强作用的情况,用热羽流理论研究室内热分层高度hf,自然通风量Q,上、下层温度T2、T1的影响因素。