Air volume size of ventilation fans relate to Speed Blower Fan

Air volume size of ventilation fans actually is proportional to the relationship with the fan rotation speed, the greater the speed, the greater the volume. And, air volume size, only have a relationship with almost speed. In brief, ventilation fans is a volumetric machinery that wind from the air force will be transported to the exhaust.

Ventilation fans through the rotation of the impeller, Will certain volume air intake to the exhaust from the compulsory transportation, ignore back to the flow of factors (exhaust pressure, temperature, speed, but there is a little relationship) factors, and each turn of the conveying fan volume is certain, So on the export of fan pressure, in fact fan itself is not over of stress, ventilation fan itself has no internal compression, don't produce any pressure.

So ventilation fans pressure where come from? In fact ventilation fans pressure from fan back end connected system pressure. Easy to understand, you could imagine, ventilation fans front end are open, that is, from atmospheric inspiratory, to air exhaust, that you can imagine if in the exhaust to install a pressure gauge, so the pressure gauge shows pressure for zero. But if you put the exhaust in again a sealed jar, then open ventilation fan, because the jar to keep the fan inside send spirit, so the exhaust pressure gauge shows pressure is rising continuously, because he's the only with air fan speed relevant, so no matter how the exhaust pressure rise, as long as my fan speed constant, so exhaust pressure also has been up to more than load stop.

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