This paper analyzes and simulates the effect of the air change rate per hour (ACH) on contamination diffusion airflow field in turbulent clean-room of hole-board ventilation by using CFD.
针对孔板送风的乱流洁净室，运用C FD软件对不同换气次数条件下的气流组织和污染物扩散进行数值模拟分析。
In the ventilation preparation area, the saturated filter board can be conveniently placed in the container.
在通风的准备工作区，饱和的过滤纸板可方便的放入容器中。
Glass and PC board greenhouse irrigation, ventilation, cooling wet system.
玻璃和PC板温室灌溉，通风，降温湿系统。
Several existing ventilation slot board processing methods are analyzed and compared.
并对现有通风槽板的几种加工工艺方法进行分析和比较。
Used for the waterproof sealing on concrete wall panel slab ventilation PIP es the light weight panel products window and doors of metal products asbestos boards gypsum board wood plastic etc.
用于混凝土墙板、板、风管道的防水密封，金属制品、棉板、膏板、料等轻型板材和门窗的防水、封。
Used for the waterproof sealing on concrete wall panel slab ventilation pipes the light weight panel products window and doors of metal products asbestos boards gypsum board wood plastic etc.
用于混凝土墙板、板、风管道的防水密封，金属制品、棉板、膏板、料等轻型板材和门窗的防水、封。
Used for the waterproof sea ling on concrete wall panel slab ventilation pipes the light weight panel products window and doors of metal products asbestos boards gypsum board wood plastic etc.
用于混凝土墙板、板、风管道的防水密封，金属制品、棉板、膏板、料等轻型板材和门窗的防水、封。
The Windows are covered by a fiber plastic board and, and the ventilation Windows are covered by a wooden board, which is the same material as the exterior wall.
窗户都被纤维素胶板遮挡，通风窗都被木板覆盖，它们与外墙使用的是同一种材料。
The Windows are covered by a fiber plastic board and, and the ventilation Windows are covered by a wooden board, which is the same material as the exterior wall.
窗户都被纤维素胶板遮挡，通风窗都被木板覆盖，它们与外墙使用的是同一种材料。
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