Question

Consider an ideal Ericsson cycle with air as the working fluid executed in a steady-flow system....

Consider an ideal Ericsson cycle with air as the working fluid executed in a steady-flow system. Air is at 27°C and 110 kPa at the beginning of the isothermal compression process, during which 150 kJ/kg of heat is rejected. Heat transfer to air occurs at 950 K. The gas constant of air is R = 0.287 kJ/kg·K.

a.)The maximum pressure in the cycle is? kPa

b.)The net work output per unit mass of air is? kJ/kg

c.)The thermal efficiency of the cycle is? %.

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