技术中心

【英文篇名】 Numerical simulation and thermal comfort analysis of indoor air distribution in large space buildings 【作者中文名】 胡定科; 荣先成; 罗勇; 【作者英文名】 By Hu Dingke~★; Rong Xiancheng and Luo Yong★Shijiazhuang Railway Institute; Shijiazhuang; China; 【作者单位】 石家庄铁道学院; 【文献出处】 暖通空调, Journal of Heating Ventilating 气流组织; 速度场; 温度场; 数值模拟; 热舒适; 【英文关键词】 large space building; air distribution; velocity field; temperature field; numerical simulation; thermal comfort; 【摘要】 分别对采用百叶侧送侧回、喷口侧送侧回、散流器顶送下回、分层空调、置换通风方式的大空间建筑空调室内气流的速度场和温度场进行了数值模拟,并对其结果进行了实验验证。根据ADPI指标对这几种送回风方式进行了热舒适性评价。结果表明,分层空调和置换通风是大空间建筑中较好的气流组织方式。 【英文摘要】 Numerically simulates the velocity field and the temperature field in large space buildings separately adopting register sidewall air supply and sidewall return, nozzle outlet sidewall air supply and sidewall return, diffuser ceiling air supply and below return, stratificated air conditioning and displacement ventilation, and verifies the results by experiments. Based on the index of ADPI, evaluates these air supply methods in thermal comfort. The results indicate that stratificated air conditioning and dis...