局部排风

并就空调送风温度的设定、活塞风、局部排风对站台热环境的影响、全天VAV环控方案实现的可能性等作了详细的理论研究与模拟分析。

The thesis focuses on the temperature design of supply air , the influence on the platform brought by stopcock wind and local exhaust and the possibility of actualizing the VAV system .

模拟结果表明，在灯光渡桥上加局部排风装置，喷口送风、下部回风为此类建筑的最佳空调方式。

Results show that fixing the local exhaust facility over the lighting bridge , spout air supplying and bottom air returning is the best air conditioning method .

通过CFD数值模拟对屏蔽门的经济性、轨底排风与顶部局部排风的作用进行了分析。

Analyses the economical efficiency of shield gate , the action of exhaust air under railway and top part exhaust using CFD simulation .

局部排风系统的管道设计

Design of the Duct System for the Exhaustion of Local Air

在污染物产生处设置局部排风；

Install local exhaust ventilatio facilities at the pollutant sources ;

厂房通风；计算流体力学；整体通风；局部排风；工作区分隔。

Plant ventilation ; CFD ; General ventilation ; Local ventilation ; Separation of working fields .

局部排风罩的优化设计方法

Design optimization of local air-exhaust hoods

一个安全节能的通风系统建立在设计者对实验室环境充分了解的基础上，而各种局部排风设备在实验室中的应用，成为了实验室安全和能耗问题中的不确定因素。

A safe and energy saving ventilation system is based on sufficient knowledge of the designer to the environment in laboratory .

理化实验室：用于通风柜、剂柜等局部排风要求的排风机组，设置在实验室吊顶内并通过外墙排出。

Physical and chemical labs : Air-exhausting system used for ventilation cabinet and reagent cabinet which need local ventilation should be installed in the ceiling and exhaust to the outside wall .

在送风比例相同的条件下，局部排风罩向下送风方式的排风效率最高，天花板顶送风方式次之，局部排风罩后送风方式最低；

Under the condition of the same supply air ratio , the exhaust efficiency of air-curtain supply types is highest , that of ceilings supply is higher , and that of rear supply is lowest .

分析了医院洁净空调存在的问题，讨论了配有负压灭菌局部排风单元的独立新风系统在医院洁净空调的应用。

Problems existing in clean air conditioning for hospital are analyzed , and the application of dedicated outdoor air system fitted with local air exhaust unit with negative pressure sterilization in the clean air conditioning for hospital is discussed .

介绍了中药制剂厂房洁净空调系统针对不定时开启局部除尘排风造成系统压差不能保证的解决方案；集中式多个子洁净空调系统操作室对洁廊相对负压的解决方案。

In cleaning air conditioner used in Chinese drug factory , if the local dust removing air discharge is not turned on in time , the differential pressure in the system cannot be kept .

这可能是因为该车间只以自然通风为主，缺少局部排、送风装置，不能有效排除车间的VOC。

Natural draft ventilation and lack of local exhausting system may be the reason for not being able to exhaust VOC effectively .

排风柜是一种通过排出局部区域产生的污染物，从而维持实验室环境安全的局部排风设备，通过对有害物质的捕集来保护人员安全。

Fume hood is an equipment that contain contamination in the hood and then exhaust it to the outside to keep the safe environment .