Fan efficiency definition

Fan efficiency. (ηfan) means efficiency of the individual fan(s) in the ventilation unit as defined in and tested in accordance with Commission Regulation 327/2011.
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Fan efficiency. (η) means the ratio of the fan gas power output Pu and the electric input power Pe, both expressed in W and determined at BEP, multiplied with correction factors for power conversion Cp, part load compensation Cc and guard compensation Cguard, with a distinction between ‘static’ or ‘total’ efficiency depending on whether the fan gas power Pu has been determined with respectively the fan static pressure or fan pressure, in accordance with point
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Related to Fan efficiency

  • Energy efficiency means measures that reduce the amount

  • Irrigation efficiency (IE) means the measurement of the amount of water beneficially used divided by the amount of water applied. Irrigation efficiency is derived from measurements and estimates of irrigation system characteristics and management practices. The irrigation efficiency for purposes of this ordinance are 0.75 for overhead spray devices and 0.81 for drip systems.

  • Thermal efficiency means the useful electric energy output of a

  • Capture efficiency means the weight per unit time of VOC entering a capture system and delivered to a control device divided by the weight per unit time of total VOC generated by a source of VOC, expressed as a percentage.

  • Transfer efficiency means the percentage of total coating solids employed by a coating applicator which adheres to the object being coated.