Summarises the calculation method of nocturnal ventilation and finds the solution of the calulation of major parameters, such as airflow volume, ventilating period, indoor temperature etc.

• 总结了晚间通风的设计计算方法，解决了系统通风量、通风时间和室内温度等主要参数的计算，并对上海地区某一房间作了实测，验证了方法的可靠性。