流体机械

2003, (09) 46-49+4

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垂直通风差压球形果蔬预冷的数学模型
Mathematical Model of Spherical Fruit and Vegetable during Pressure Pre-cooling for Vertical Ventilation

何晖,申江,管萍
HE Hui,SHEN Jiang,GUAN Ping

摘要(Abstract):

针对垂直通风差压预冷方式 ,建立了球形果蔬预冷过程的数学模型 ,该模型考虑了传热与传质过程相耦合的特点。采用有限差分法对该模型进行了数值求解 ,计算结果与实验数据比较的结果表明 ,所建立的数学模型是可靠和实用的
The heat and mass transfer mathematical model of spherical fruit and vegetable during pressure pre-cooling for vertical ventilation has been established, which has combined heat and mass transfer process. Numerical analysis was made using finite difference methods to solve the mathematical model.The agreement between the theoretical and the experimental results was found to be good. It shows that the model established is reasonable and practicable.

关键词(KeyWords): 果蔬;传热传质;垂直通风;预冷;数学模型
fruit and vegetable; heat and mass transfer;vertical ventilation; pressure pre-cooling;mathematical model

Abstract:

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作者(Author): 何晖,申江,管萍
HE Hui,SHEN Jiang,GUAN Ping

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