机械通风系统是为了实现建筑物内机械通风而装置的系统。一般由风机、风道、阀门、送排风口组成。
在建立密闭式鸡舍机械通风系统气流运动方程的基础上，推导了由流函数和势函数表示的气流运动控制方程。
On the basis of the establishment of air movement equations in a confined ventilated chicken house, the governing equation, represented by the stream function and potential function, is deduced.
首先，人们对机械通风和自然通风的最佳平衡进行了预测，当与只使用自然通风相比较时，用它来决定机械通风系统能够给予的最大潜在储量。
First, the optimum balance of mechanical and natural ventilation is estimated and used to determine the maximum potential saving it could give when compared with natural ventilation alone.
生物质锅炉用于给室内供暖，由一个机械通风设备和热量回收系统支持，这有助于使上升到天花板顶部的热空气进行循环。
A biomass boiler used to heat the interior is supported by a mechanical ventilation and heat recovery system, which helps to circulate warm air that rises to the top of the high-ceilinged Spaces.
应用推荐