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寒冷地区民用住宅冬季自然通风数值分析
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基金项目:

国家自然科学基金项目(51266004,51476073);甘肃省自然科学基金项目(1308RJZA151)。


Numerical analysis on the natural ventilation of a residence in winter in cold zone
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    摘要:

    为研究不同开窗通风模式对寒冷地区冬季室内环境参数的影响,采用CFD中的Realizable k-ε模型对兰州地区某住宅在考虑非稳定传热情况下的室内流场、温度场、热舒适性进行了数值分析,得到了既保证室内采暖温度要求又改善了室内空气品质的三种冬季自然通风模式。比较了三种通风模式下不同房间内的流场、温度场的分布特征。对不同通风模式下室内热舒适性的评价结果表明:室内整体上偏凉。

    Abstract:

    To study the effect of ventilation mode on indoor thermal environmental parameters in winter in cold zone, the realizable k-ε turbulent model of CFD was adopted to numerically analyze the airflow field, temperature field and thermal comfort of a residence in Lanzhou when the unsteady heat transfer through outerwalls was considered. Three types of ventilation modes were obtained on the condition that the indoor heating temperature was ensured and the indoor air quality was improved simultaneously. Comparing the indoor characteristics of airflow field and temperature of the three types of ventilation modes, we analyzed the thermal comfort in different rooms subsequently. And the thermal comfort results indicate that the indoor environment feels a little cold for all the three feasible ventilation modes.

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王烨,付银安,管国祥,王靖文.寒冷地区民用住宅冬季自然通风数值分析[J].重庆大学学报,2016,39(3):84-94.

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  • 收稿日期:2016-01-06
  • 在线发布日期: 2016-07-05
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