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. 2023 May 19;9(5):e16164. doi: 10.1016/j.heliyon.2023.e16164

Table 5.

Output result of the energy rate, different exergies, exergoeconomic and exergy efficiency of the components of combined cycle.

Component Q˙orW˙(kW) Ex˙f(kW) Ex˙p(kW) Ex˙D(kW) ηex cF=($Gj) cP=($Gj) C˙D=($h) Z˙=($h) f(%)
Air compressor 54.05 54.05 46.37 7.679 0.857 29.665 34.693 0.82 0.018 2.147
Fuel compressor 0.717 0.717 0.614 0.103 0.856 29.665 34.693 0.011 0.00013 1.199
Water pump 0.0014 0.0014 0.0012 0.0002 0.817 29.665 107.135 0.000028 0.0003 91.43
Air HX 2206 1316 1108 208.2 0.841 29.665 36.248 22.1 4.958 18.33
Fuel HX 52.2 43.4 27.49 15.91 0.633 29.664 46.665 1.689 0.038 2.219
Water HX 242.57 203.2 75.87 127.3 0.373 29.664 79.247 13.51 0.087 0.6417
Fuel cell 473.3 598.6 487.9 110.6 0.815 21.254 27.702 8.446 2.858 25.24
Afterburner 1808 1701 107.8 0.94 27.702 29.664 10.75 0.111 1.029
Hot water HX 246.1 76.49 13.52 62.97 0.176 29.664 174.134 6.682 0.359
Generator 25.86 10.92 3.18 7.744 0.291 29.644 118.217 0.821 0.183 18.26
Absorber 23.74 0.998 0.401 0.597 0.401 187.6 594.15 0.403 0.183 31.26
Condenser 17.35 0.429 0.293 0.136 0.683 141.079 380.544 0.069 0.183 72.65
Evaporator 15.15 1.257 0.823 0.434 0.654 141.134 277.492 0.22 0.183 45.41
Solution HX 10.3 1.08 0.677 0.402 0.627 141.134 300.269 0.204 0.183 47.28
Solution pump 0.077 0.077 0.061 0.015 0.795 10 23.571 0.0005 0.0024 81.06
Solution pressure relief valve 516.4 516.3 0.045 0.999 141.134 141.218 0.022
Refrigerant pressure relief valve 271.1 271 0.108 0.999 141.079 141.107 0.055