Table 10 Daily results for thermos-economic and environmental performance criteria at best design values gained by parametric analysis.
Criteria | Performance criteria | Optimum values after applying GA | The values with initial design parameters | Improvement percent (%) |
|---|---|---|---|---|
VCR sub-system coefficient of performance | \({\text{COP}}_{{{\text{VRC}}{\mathrm{ dai;y}}}}\) | 3.604 | 3.217 | 12.03 |
IST.AHU sub-system coefficient of performance | \({\text{COP}}_{{{\text{ST}}{\mathrm{ AHU}}{\mathrm{ daily}}}}\) | 4.61 | 2.085 | 121 |
WPWVCRS system coefficient of performance | \({\text{COP}}_{{{\text{WPWVCRS}}{\mathrm{ daily}}}}\) | 3.94 | 1.987 | 98.30 |
VCR sub-system exergy efficiency | \({\upeta }_{{{\text{ex}}{\mathrm{ VCR}}{\mathrm{ daily}}}} {\text{ (\%)}}\) | 27.84 | 40.040 | − 30.50 |
IST.AHU sub-system exergy efficiency | \({\upeta }_{{{\text{ex}}{\mathrm{ ST}}{\mathrm{ AHU}}{\mathrm{ daily}}}} {\text{ (\%)}}\) | 29.37 | 18.430 | 59.40 |
WPWVCRS system exergy efficiency | \({\upeta }_{{{\text{ex}}{\mathrm{ WPWVCRS}}{\mathrm{ daily}}}} {\text{ (\%)}}\) | 38.26 | 27.290 | 40.20 |
Non dimensional product sum unit cost | \({\text{PSUC}}_{{{\text{non}}{\mathrm{ Dim}}{\mathrm{ ave}}{\mathrm{ daily}}}}\) | 2585.042 | 2869.583 | 9.92 |