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  3. a gas turbine expands air adiabatically at 1000 kp

A gas turbine expands air adiabatically at 1000 kPa and 550 ⁰C to 120 kPa and...

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Mechanical Engineering

A gas turbine expands air adiabatically at 1000 kPaand 550 ⁰C to 120 kPa and 130⁰C. Air enters the
turbine through a 0.25 m
2 opening with an aveage velocity of 45 m/s, and exhausts through a1 m2
opening. Assume the air is ideal gas with constant specific heats.Take the constant pressure specific
heat and gas constant of air as Cp= 1.05 kJ/(kg K) and R=0.287kJ/(kg K), respectively. Determine;
(a) the mass flow rate of air through turbine and
(b) the power produced by the turbine.

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