| 建筑内自然对流对射流的影响研究 |
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| 引用本文： | 段双平,敬成君.建筑内自然对流对射流的影响研究[J].河南科技大学学报(自然科学版),2012,33(4):46-51,7. |
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| 作者姓名： | 段双平 敬成君 |
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| 作者单位： | 1. 西南科技大学建筑环境与设备工程系,四川绵阳621010;四川大学建筑与环境学院,四川成都610065
2. 四川大学建筑与环境学院,四川成都,610065 |
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| 摘 要： | 当射流出口速度较小或室内自然对流强度较大时,室内自然对流对射流特性产生重要影响。采用数值模拟方法,研究了建筑内左右壁面为定壁温边界条件下的自然对流与射流共存时的速度场和温度场。根据数值计算结果,分析了自然对流对射流特性的影响及其影响因素。这为工程设计中预测自然对流对室内气流射流的作用及合理设计室内气流组织提供了依据。
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| 关 键 词： | 自然对流 射流 速度场 温度场 数值模拟 |
Effect of Natural Convection on Jet in Buildings |
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| DUAN Shuang-Ping,JING Cheng-Jun.Effect of Natural Convection on Jet in Buildings[J].Journal of Henan University of Science & Technology:Natural Science,2012,33(4):46-51,7. |
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| Authors: | DUAN Shuang-Ping JING Cheng-Jun |
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| Institution: | 1.Department of Building Environment & Equipment Engineering, Southwest University of Science & Technology,Mianyang 621010,China;2.School of Architecture & Environment,Sichuan University,Chengdu 610065,China) |
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| Abstract: | When outlet velocity of jet is small or intensity of natural convection is large,natural convection has great influence on jet.The numerical simulation method was used to study velocity and temperature fields when natural convection and jet coexisted considering the left and right walls as the first class boundary conditions in buildings with a opening.According to the simulation results,the effect of natural convection on jet and its influencing factors were presented.The conclusion provides the foundation for predicting the effect of natural convection on air jet and air-flow organization design in engineering design. |
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| Keywords: | Natural convection Jet Velocity field Temperature field Numerical simulation |
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