Fig. P9.67 illustrates a gas turbine power plant that uses solar energy as the source of heat addition (see U.S. Patent 4,262,484 ). Operating data are given on the figure. Modeling the cycle as a Brayton cycle, and assuming no pressure drops in the heat exchanger or interconnecting piping, determine (a) the thermal efficiency. (b) the air mass flow rate, in kg / s, for a net power output of 500  kW. | Numerade

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