Some final results are in line with our expectation while others show special characters, e. g. the affection of face velocity on collection efficiency is much weaker than expectation.
试验的最终结果有些与以往的普遍认识相符合，有些则显出一定的特性，如过滤速度对于过滤效率的影响的明显程度比预想的要小得多。
参考来源 - 脉冲袋式除尘试验台的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
The higher the face velocity, the greater the eddy currents.
通风柜面风速越高，涡流则会越大。
Room air current velocities in the vicinity of fume hoods should be as low as possible, ideally less than 30 percent of the face velocity of the fume hood.
通风柜附近的扰流流速应尽可能低，理想的流速应低于通风柜设计面风速的30%。
The fume hood is the main safety in lab. In order to control harmful material leakage and keep the experiment working properly, the face velocity must be controlled efficiently.
通风柜是实验室中主要的安全设备，为了控制有害物质的外溢和保证实验正常进行，必须有效地控制罩面风速。
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