a) The mass flow rate of air through the turbine b) The diameter of the turbine exit pipe in (cm) c) The turbine power in [MW). SOLUTION

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Air enters steadily a turbine at 2 MPa and 400°C at a velocity of 200 m/s and exits at 100 kPa and 200°C with a velocity of 50 m/s. The turbine losses heat at a rate of 1500 kJ/min. The turbine inlet pipe has a 20 cm inner diameter . Neglect potential energy changes. Properties of air arc C 1.1 kJ/kg.K, C, - 718J/kg.K, R-287J/kg.K. Determine:

a) The mass flow rate of air through the turbine

b) The diameter of the turbine exit pipe in (cm)

c) The turbine power in [MW). SOLUTION

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