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Evaluating of air flow movements and thermal comfort in a model room with Euler equation: Two dimensional study

机译：用欧拉方程评估模型室中的空气流动和热舒适度：二维研究

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摘要

This paper presents the results of a study that consists of estimating the temperature distribution and air flow movement in a model room with a numerical model based on the Euler equations. Numerical results obtained for two scenarios of ventilation and heating are compared with the predictions of a Navier-Stokes model, as well as with experimental results. A comparison of the local thermal comfort indices PMV and PPD obtained experimentally and numerically is also presented. Results show that the Euler model is capable of properly estimating the temperature distribution, the air movement and the comfort indices in the room. Furthermore, the use of Euler equations allows a reduction of computational time in the order of 30% compared to the Navier-Stokes modeling.
机译：本文介绍了一项研究结果，该研究包括使用基于Euler方程的数值模型估算模型室中的温度分布和气流运动。将两种通风和供热情况下获得的数值结果与Navier-Stokes模型的预测值以及实验结果进行了比较。还介绍了通过实验和数值获得的局部热舒适指数PMV和PPD的比较。结果表明，欧拉模型能够正确估计室内的温度分布，空气流动和舒适指数。此外，与Navier-Stokes建模相比，使用Euler方程可将计算时间减少30％左右。

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  • 来源
    《Building and Environment》 |2011年第2期|p.448-456|共9页
  • 作者

    Fatima Zohra Chafi; Stephane Halle;

  • 作者单位

    Mechanical engineering department, tcoie de technologie superieure, Quebec university, 1100 rue Notre-Dame Quest, Montreal, Quebec H3C 1K3, Canada;

    Mechanical engineering department, tcoie de technologie superieure, Quebec university, 1100 rue Notre-Dame Quest, Montreal, Quebec H3C 1K3, Canada;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    euler; navier-stokes; thermal comfort; heating; ventilation; CFD;

    机译：欧拉航海热舒适度;加热;通风;差价合约;

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