IEVref:845-29-075ID:
Language:enStatus: Standard
Term: floor cavity index
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Symbol: Kf
K
Definition: quotient of the sum of the areas of the floor and the working plane and the sum of the area of the walls bounded by the floor and the working plane, used in the calculation of the utilization factor or utilance

Note 1 to entry: The floor cavity index is given by the formula

K f = ab h f (a+b) MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdh9vqqj=hEeea0xXdbb a9frFj0=OqFfea0dXdd9vqaq=JfrVkFHe9pgea0dXdar=Jb9hs0dXd bPYxe9vr0=vr0=vqpWqaaeaaciWacmGadaGadeaaeaGaauaaaOqaai aadUeadaWgaaWcbaGaaeOzaaqabaGccqGH9aqpdaWcaaqaaiaadgga caaMc8UaamOyaaqaaiaadIgadaWgaaWcbaGaaeOzaaqabaGccaaMe8 UaaiikaiaadggacqGHRaWkcaWGIbGaaiykaaaaaaa@4517@

where a and b are the dimensions of the sides of the room and hf is the distance from the floor to the utilization plane.

Note 2 to entry: See also "ceiling cavity index" and "room index".

Note 3 to entry: The floor cavity index has unit one.


Publication date:2020-12
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