Table 5 Comparison of numerical results for the gas turbine cycle, ORC, and LiBr-H₂O system with results from previous simulation studies.

From: Performance analysis of integrated solar and natural gas combined cycle power plants in high solar potential regions

Parameter

Unit

Literature study

Present study

Relative error (%)

Gas turbine cycle18

 Power output

MW

150

148.7

0.87

 Thermal efficiency

%

34

33.8

0.59

 Flow rate of Fuel Mass

kg/s

8.8

8.84

0.45

 Exhaust temperature

°C

500

510.6

2.1

ORC51

 Power output

kW

19

19.02

0.11

 Thermal efficiency

%

12

11.95

0.42

 Exergy destruction

kW

438

439

0.23

ARS (LiBr-H2O system52

 Heat capacity of the generator

kW

3074.55

3075.8

0.04

 Heat capacity of the condenser

kW

2504.22

2506.9

0.107

 Heat capacity of absorber

kW

2945.90

2943.2

-0.092

 Heat capacity of the Evaporator

kW

2354

2356

0.085

 COP

0.7663

0.7660

-0.023