Modelling of thermal exchange in an enclosed space

机译：封闭空间中的热交换建模

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Our study concerns the modelling of the thermal exchanges by convection in an enclosed space of cavity type. We describe the method used based on fluxes and heat exchange phenomena. This study is experimental. The effect of the temperature of the walls on the thermal equilibrium of the cavity is shown. These exchanges taking place between vertical faces are generated by the flow. We will show that, in order to define these mean convection exchanges, the characteristic temperature difference must absolutely take into consideration the mean air temperature in the centre of the cavities. We will give relations permitting to determine accurately this temperature after having determined the mean surface temperature for the six walls of the cavity. We will show the phenomenon of stratification and the evaluate corresponding slope.

机译：我们的研究涉及在空腔类型的封闭空间中通过对流进行热交换的建模。我们根据通量和热交换现象描述了使用的方法。这项研究是实验性的。示出了壁的温度对腔的热平衡的影响。垂直面之间发生的这些交换是由流产生的。我们将表明，为了定义这些平均对流交换，特征温差必须绝对考虑型腔中心的平均气温。在确定了空腔的六个壁的平均表面温度之后，我们将给出允许精确确定该温度的关系。我们将显示分层现象并评估相应的斜率。

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来源
《Fourth International Conference on Advances in Fluid Mechanics (AFM 2002) May, 2002 Ghent》|2002年|p.95-104|共10页
会议地点 Ghent(BE);Ghent(BE)
作者
A. Beghidja; J. J. Vullierme;
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作者单位

Mechanical Engineering Department, Faculty of Engineering, Mentouri University, Constantine, Algeria;

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原文格式 PDF
正文语种 eng
中图分类力学;
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Modelling of thermal exchange in an enclosed space

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