技术中心

个性化送风微环境的实验测试研究 【英文篇名】 Impact of personalized ventilation system on micro?environment:experimental measurement 【作者中文名】 杨建荣; 李先庭; A.Melikov; 【作者英文名】 By Yang JianrongTsinghua University; Beijing; China; Li Xianting and A. Melikov; 【作者单位】 清华大学; 丹麦技术大学; 【文献出处】 暖通空调, Hv 热环境; 空气品质; 示踪气体; 人体模型; 【英文关键词】 personalized ventilation; thermal environment; air quality; tracer gas; thermal manikin; 【摘要】 通过对人体模型测试和示踪气体测量 ,研究了一种个性化送风系统中风速、风温和污染物浓度随送风参数的变化状况 ,并预测了此系统微环境 (人员呼吸区 )中空气参数的改变程度。结果表明 ,个性化送风的灵活控制有助于改善局部热环境和空气品质 ,且呼吸区空气品质的改善程度与送风量、送风距离和人体周围的热羽流均紧密相关 【英文摘要】 Based on the measurement with a breathing thermal manikin and a tracer gas, investigates the influence of air supply parameters of a personalized ventilation system on the air velocity, air temperature and contaminant concentration in the microenvironment, and forecasts the change extent of the air parameters in the human breathing zone. The Results show that the flexible control of this system creates a more comfortable indoor environment by improving local thermal comfort and air quality, and that the imp...