turbine drawing fan

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turbine drawing fan
Posting date : Mar 05, 2009
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17-
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The Quantity for Installing Our Ventilations: (References: The ventilating times of the different buildings) The ventilating cube=the cube of the building × the ventilating times Ventilating cube Installing Quantity = ---------------------------------- ventilating cube/hr For example: There is a building which is 50M length, 12M width and 6M height. The difference in temperature between indoor and outdoor is 10℃, and the wind speed is 9.6KM/hr. Moreover the ventilating times of the casting factory according to the standard material is between 10 to 30 times per hour. So the ventilating cube is (50×12×6) ×10 times/hr = 36000cube/hr . 3600cbm/hr ---------------------------------------------------------------------------=14.6(units) 2458cbm/hr(according to the different model 880/500/300) So we’d better install 15 units’ ventilators for the workshop.

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