摘要
以粒径为2.5μm的颗粒物为研究对象,主要研究了碰撞射流通风(IJV)系统和置换通风(DV)系统下室内颗粒物分布特性。通过数值模拟的方法对两种送风方式下室内颗粒物分布特性进行了研究,并比较了两种送风方式下室内气流及温度的分布特性。结果表明:在送风量和其它特性参数都相同的情况下,碰撞射流通风室内颗粒物浓度比置换通风要低。因此,碰撞射流通风这种新的送风方式值得我们进一步的研究。
Focuses on distributing characteristic of indoor particle in impinging jet ventilation（IJV） and displacement ventilation（DV）, it take the particle which its diameter is 2.5μm as the object of study. The distributing characteristic of indoor particle in two case of ventilations is simulated by using a computational fluid dynamic （CFD）, and compared the distributing characteristic of indoor airflow and temperature in this two case of ventilations. The results show that the concentration of particle in UV system is lower than DV system, as the airflow rate and characteristic parameter were the same. So this new ventilation impinging jet ventilation worth the farther study.
出处
《洁净与空调技术》
2008年第4期30-35,共6页
Contamination Control & Air-Conditioning Technology
