20 Terms
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Energy efficiency
Industry: Energy
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Energy efficiency
Elasticity of demand
Energy; Energy efficiency
The ratio of the percentage change in the quantity of a good or service demanded to the percentage change in the price.
Emissivity
Energy; Energy efficiency
The ratio of the radiant energy (heat) leaving (being emitted by) a surface to that of a black body at the same temperature and with the same area; expressed as a number between 0 and 1.
Diversity factor
Energy; Energy efficiency
The ratio of the sum of the noncoincidental maximum demands of two or more loads to their coincidental maximum demands for the same period.
Load factor
Energy; Energy efficiency
The ratio of average energy demand (load) to maximum demand (peak load) during a specific period.
Stoichiometric ratio
Energy; Energy efficiency
The ratio of chemical substances necessary for a reaction to occur completely.
Spectral reflectance
Energy; Energy efficiency
The ratio of energy reflected from a surface in a given waveband to the energy incident in that waveband.
Specific heat capacity
Energy; Energy efficiency
The quantity of heat required to change the temperature of one unit weight of a material by one degree.
