Study on Improving Thermal Environment of College Dormitory in Chongqing

To improve the low air velocity above the bed areas during the night in hot summer, the reformed plan for the college dormitory fan was presented.The indoor environment was simulated by the software Airpak3.0 to compaire the fan with both no diversion deflector and diversion deflector (the deflector angles are 60, 120 and 160) respectively. And a field test was conducted to confirm the simulation results. The results show that the indoor thermal environment above the bed areas has been improved inordinately if adding a deflector with different angles. The air velocity can be increased by 0.15m/s at most when the deflector angle is 160 degrees, yet the airflow displays most evenly with the 120 degrees deflector angle. Meanwhile, the temperature and thermal discomfort have been decreased. The variation of the simulation and measurement values tends to be consistent, so it suggests the fan installing the diversion deflector may improve the thermal environment of college dormitory.