ECLFS

AcronymDefinition
ECLFSEuropean Community Labour Force Survey (UK; created 1981)
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Therefore, conductive heat flux through floor panel and air temperature increments in the plenum may challenge the assumption of an adiabatic floor in current CFD simulations to generate ECLFs. A better solution is to extend the computational domain to include the underfloor plenum.
In order to deal with this problem, a method of calculating ECLFs was proposed, which can effectively reduce the load by getting rid of the convective heat and some of the radiant heat above the occupied zone.
Similarly, the overall ECLF is defined as the following:
Then, the validated CFD technique was used to obtain the ECLF for an office environment.
Calculated Cooling Load Comparisons in the Occupied Zone [Q'.sub.occupied] [Q.sub.occupied] ([Q'.sub.occupied] - [Q.sub.occupied]) / [Q.sub.occupied] Case 1 1404.7 W 1321.3 W 6.3% (4792.6 Btu/h) (4508.0 Btu/h) Case 2 1425.8 W 1350.5 W 5.6% (4864.6 Btu/h) (4607.6 Btu/h) Case 3 1406.7 W 1317.5 W 6.8% (4799.4 Btu/h) (4495.1 Btu/h) Once the overall ECLF is known, the relationship between supply flow rate and supply air temperature is governed by the following equation:
V[C.sub.p][rho]([T.sub.set]-[T.sub.supply]) = (ECLF)Q (13)
For convenient use of the ECLF database in future, the room cooling load should be the cooling load in well-mixing ventilation (ASHRAE 2005).