fan assisted supply air ventilation
[EN 12792:2003, 154]:ventilation which employs powered air movement components in the supply air side only
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fan control methods variable speed control
[EN 12792:2003, 155]:speed can be varied either continuously or in steps by a variable speed motor, slipping coupling, gearbox or other meansdamper control [EN 12792:2003, 155]:fan performance is controlled by means of a damper, either on the inlet or on … Continue reading →
fan dynamic pressure
[EN 12792:2003, 156]:average dynamic pressure at the fan outlet, calculated from the mass flow, the average gas density at the outlet and fan outlet area
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ducted fan [EN 12792:2003, 157]:fan for moving air within a duct (see also fan installation types)partition fan [EN 12792:2003, 157]:fan used for moving air from one free space to another (see also fan installation types)jet fan [EN 12792:2003, 157]:fan for … Continue reading →
fan inlet
[EN 12792:2003, 158]:opening usually circular or rectangular through which the air first enters the fan casing
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