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首页> 外文会议>2011 International Conference on Materials for Renewable Energy Environment >The study of natural convection and heat transfer in the enclosure with heat transfer coupled in natural convection
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The study of natural convection and heat transfer in the enclosure with heat transfer coupled in natural convection

机译：自然对流耦合条件下机壳自然对流换热的研究

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In this paper, numerical investigation using SIMPLE algorithm with QUICK scheme for enclosure natural convection and heat transfer with building envelop has been conducted. The results suggest that the flow and heat transfer are influenced by the thickness and the thermal conductivity of building envelop. When the thickness of envelop is smaller and the thermal conductivity of envelop is bigger, the temperature enclosure is influenced intensively by the outdoor environments. With increase of the thickness of envelop, flow and heat transfer turn slighter. When the thickness of envelop is over some critical value, it can be found that flow and heat transfer will turn slow. The flow and heat transfer turn slight with certain envelop. When the thickness of envelop exceeds certain critical number, the increasing of the thickness is invalid for heat transfer. The temperature distribution changes obviously. When the thermal conductivity of envelop is over some critical value, it can be found that the increasing trend of flow and heat transfer may be skip.
机译：本文利用SIMPLE算法和QUICK方案对建筑围护结构的自然对流换热进行了数值研究。结果表明，流动和传热受建筑围护结构的厚度和热导率的影响。当信封的厚度较小且信封的热导率较大时，温度封闭会受到室外环境的强烈影响。随着信封厚度的增加，流量和热传递会稍微变小。当信封的厚度超过某个临界值时，可以发现流动和传热会变慢。流动和传热略有变化，并有一定的包络。当信封的厚度超过一定的临界值时，厚度的增加对热传递是无效的。温度分布变化明显。当信封的热导率超过某个临界值时，可以发现流动和热传递的增加趋势可能会跳过。

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