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EP - COOLING 11300-3, :pen: Primary nrg demand (summer air…
EP - COOLING
11300-3
:pen:
Primary nrg demand
(summer air conditioning)
Need (Cooling) =
ideal need + systems losses - recovered
LOSSES
Emission: % of ideal need
Control: % of (ideal need + emiss losses)
Distribution:
air ducts = f( load factor, linear trasmittance )
in pipes = % ( nd + e,losses + c,losses )
Storage
Recovered = by recovery units + air conditioners
Need (air handling) = f( mean hourly specific need )
:pen: Mean monthly performance coeff.=
Need (cooling + air handling) /
Primary nrg demand (summer air cond)
f()
Mean monthly load factor =
Need (C + V) / (h * Pot nominale)
Energy Efficiency Ratio =
f( mean monthly load factor )
η(1) = f(
type of chiller
load factor
hot fluid temp.
cold fluid temp.
Other η
El demand
(Auxiliaries)
Emission =
%stop (nominal powerS * hours )
Distribution =
pumps + fans
Generation =
mean load factor * nominal powerS + hours