流体机械

2018, v.46;No.554(08) 77-82+65

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半地下结构工业厂房内通风换热数值模拟研究
Numerical Simulation and Research of Indoor Ventilation of A Semi-underground Industrial Building

王孟武;张知宇;刘凯迪;李雪芳;
WANG Meng-wu;ZHANG Zhi-yu;LIU Kai-di;LI Xue-fang;Shandong Electric Power Engineering Consulting Institute Corporation Co.,Ltd.;Institute of Thermal Science and Technology,Shandong University;

摘要(Abstract):

工业厂房内通常含有发热量较高的设备和管道等,需要进行通风换热以保证设备的正常运行和维持室内较为舒适的工作环境,特别是对于地下厂房空间,仅依靠自然对流无法满足通风散热的要求,因而往往采用机械通风和自然通风结合的方式。本文利用数值模拟方法研究了包含多处内热源和地下结构的二层厂房内的通风换热问题,构建了厂房的三维简化物理模型,模拟了不同的窗口设置情况下厂房内的气流组织和温度分布情况。结果表明:厂房内的气流组织对厂房内温度分布有显著的影响,冗余的风口设置会造成厂房内温度场均匀性变差,导致通风效率及经济性的明显下降。
Ventilation is essential to ensure normal operation of equipment and maintain a more comfortable indoor working environment,as generally there are equipment and pipelines,etc.with high heat generation rate inside an industrial building. Especially for an underground construction,the combined mechanical and natural ventilation is usually used because natural ventilation alone cannot meet the requirements for ventilation and heat dissipation. In the present work,the ventilation and heat transfer was modeled for an industrial building with an underground construction and several heat sources.A simplified threedimensional geometry was used to model the building. The air flow and temperature distribution were calculated for different ventilation opening configurations. The results show that the air flow organization in the industrial building significantly affects the indoor temperature distribution. Redundant openings deteriorate the temperature uniformity,resulting in significant reduction in ventilation performance and economic efficiency.

关键词(KeyWords): 工业厂房;数值模拟;通风;温度场均匀性
industrial building;numerical simulation;ventilation;temperature field uniformity

Abstract:

Keywords:

基金项目(Foundation): 山东省自然科学资金资助项目(ZR2017BEE003)

作者(Authors): 王孟武;张知宇;刘凯迪;李雪芳;
WANG Meng-wu;ZHANG Zhi-yu;LIU Kai-di;LI Xue-fang;Shandong Electric Power Engineering Consulting Institute Corporation Co.,Ltd.;Institute of Thermal Science and Technology,Shandong University;

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