采暖房间的辐射换热计算分析

Calculation and Analysis of Radiation Heat Transferring of the Heating Room

采暖的最终目的是利用物体间的换热规律,为室内人员营造一个舒适的热环境。而热环境的建立主要取决于房间内的换热状况。要对辐射采暖房间的换热计算进行探讨,建立辐射采暖房间的换热模型,列出反应房间换热状况的方程组;基于对建筑房间内换热特点的分析,对模型进行两种不同程度的简化。结合具体实例将各种换热模型的计算结果进行比较,得出简化的能综合反映房间换热状况的方程,计算求得的房间内的换热状况,大大简化辐射采暖房间的换热计算。

The final goal of heating is to create a comfortable environment for people in the room by using the heat transferring rule between the objects. The establishment of heat environment depends on the heat transferring situation of the room. In order to analyze the heat transferring calculation of the radiation heat room, this article first builds the heat transferring model, that is, gives the equations set which reflects the situation of heat transferring. Then it simplifies the model in two different ways with the analysis of the heat transferring feature of the room. At last, it obtains the simplified equations by comparing various heat transferring models and gets the heat transferring situation of the room. This conclusion can greatly simplify the heat transferring calculation of the radiation heating room.