Abstract:

Because of the deficiencies of evaporative cooling air conditioning system and the shortage of displacement ventilation，the combining system of evaporative cooling and displacement ventilation is pointed，and the integration mechanism and virtue of the combining system were analyzed.The actual field tests of the Xinjiang University Gymnasium were carried out.For the coliseum’s air-conditioning system of evaporative cooling and displacement ventilation，the measured data indicated that two-stage evaporation cooling air processing unit achieved the designed requirements.The change of the temperature of vertical gradient and the relations that the temperature of vertical gradient changed with supply speed were analyzed.Air supply speed of 0.4—0.5 m•s^-1 was suggested when the combining system of evaporative cooling and displacement ventilation was applied to the similar building tested.

摘要：

分析了现有蒸发冷却空调系统和置换通风空调系统存在的不足,对蒸发冷却与置换通风复合系统的结合机理及优点进行了阐述。对新疆大学体育馆空调系统工程进行了现场测试，实测数据表明选用二级蒸发冷却空气处理机组处理后的送风空气达到了设计要求，指出工作区水平方向上温度分布均匀，工作区垂直温度梯度与送风速度呈反比关系。通过实测，建议蒸发冷却与置换通风复合空调系统应用于本类似测试建筑物时，系统送风速度范围取0.4～0.5 m•s^-1。