Optimization Of Air Deflector Angles Of The Air Conditioner

With the development of social economy and the improvement of daily life, people's demand for the temperature suitability of space equipped with air conditioner also improves, of which the quantity and angle of Deflector directly determines the functions of the air conditioner and the temperature suitability of the space. So, the simulation research on the indoor flow distribution and air distribution of the space equipped with air conditioner has realistic significances for the functions reinforcement of the air conditioner, the improvement of the air quality. Combined with the theory of Computational Fluid Dynamics and with the application of the CFD software, this paper studies the variation patterns of the indoor air conditioner's flow distribution?air flow quantity and the air distribution in space equipped with air conditioner under different angles of air deflector, which aims to the optimizing the air deflector angles and providing theory instructions to the optimization of the air deflector design.Based on the above mentioned objectives, this paper mainly includes the two aspects researches. Firstly, using 2-D simulation research method, this paper studies the variation patterns of indoor air conditioner flow distribution and air flow quantity under the situations of both heating working mode and cooling working mode with different angles of air deflector, so as to make good preparations for the 3-D simulation of air distribution in space equipped with air conditioner. Secondly, under the heating working code, using 3-D simulation of air distribution in space equipped with air conditioner under different angles of air deflector, this paper analyzes the thermal comfort parameters including in house temperature field, speed field and PMV distribution, so as to find out the optimal pattern of air distribution and determines the best angle of air deflector?The research indicates that under the heating working mode, the air flow quantity declines as the air deflector turns from 83 degree to 107 degree, while under the cooling working code, as the air deflector turns from 39 degree to 71 degree, the indoor air conditioner air flow quantity quantity changes as the shape like a para-curve opening downside and attain the maximum quality at a certain angle between. Besides, under the heating working mode, as the angle of air deflector increases,the PMV average decreases. So for the indoor air conditioner of this paper,when the angle of air deflector stays at 88 degree,the indoor PMV average is about-0.9,which is the most close one to the neutral state and can help obtaining the optimal indoor temperature suitability under the winter working mode.