collector efficiency definition

collector efficiency. (ηcol) means the efficiency of the solar collector at a temperature difference between the solar collector and the surrounding air of 40 K and a global solar irradiance of 1000 W/m², expressed in %;
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Related to collector efficiency

  • Thermal efficiency means the useful electric energy output of a

  • 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.

  • Efficiency means the quotient of E/F, where E = the electricity produced by the Portfolio, measured in BTUs (British Thermal Units) at a conversion rate of 3,412 BTUs per kWh, and F = the fuel consumed by the Portfolio, measured in BTUs on a Lower Heating Value basis.

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

  • 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.