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气气板式换热器换热面积如何计算

Author:heat exchanger    Publish time:2023-03-30 17:25:18    View:183

气气板式换热器的换热面积计算通常遵循以下公式:

A = Q / (U × ΔT)

其中,A表示换热面积,单位为平方米;Q表示换热器的换热量,单位为千瓦或千焦;U表示换热系数,单位为W/(m²·K);ΔT表示温度差,单位为摄氏度。

换热器的换热量Q可以通过实验获得,也可以通过计算得到。而换热系数U和温度差ΔT则需要根据具体的换热器参数和工况条件来确定。

一般来说,U和ΔT的值会随着流体性质、流量、压力等因素的变化而不同,因此在实际计算中需要结合具体的工况条件和换热器参数进行确定。

在计算过程中,需要注意保证换热器的安全性能和可靠性,同时还需要考虑成本和能源利用效率等方面的因素。

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