This study aims to investigate the effect of regeneration on the output power\nand the thermal efficiency of the gas turbine power plant. The effect of ambient\nair temperature, regeneration effectiveness, and compression ratio on\nthe cycle thermal efficiency was also investigated. An existed gas turbine power\nplant of AL ZAWIA is used as a base in this study, and the calculations were\ncarried out utilizing MATLAB code. This intensive parametric study was\nconducted based on the fundamental of thermodynamics and gas turbine relations\nconsidering the effect of the operation conditions (ambient air temperature,\nregeneration effectiveness and compression ratio). It was found that\nadding regeneration to the simple gas turbine cycle results in an increase in\nthe thermal efficiency of cycle. It was also found that including regeneration\nin gas turbine cycle results in an increase in the output power of the cycle, and\nit results in a decrease in the exhaust gas temperature. The effect of the regeneration\neffectiveness was also predicted. It was found that increasing of regeneration\neffectiveness results in an increase in the output power of the cycle.\nIt was also found that the cycle thermal efficiency increases with increasing of\nthe regenerative effectiveness. The effect of ambient air temperature was also\npredicted. Increasing of the ambient air temperature results in a decrease in\nthe thermal efficiency of the cycle.
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