Using Exergetic Efficiencies
Argon enters an insulated turbine operating at steady state at 1000°C and 2 MPa and exhausts at 350 kPa. The mass flow rate is 0.5 kg/s. Plot each of the following versus the turbine exit temperature, in °C:
(a) the power developed, in kW.
(b) the rate of exergy destruction in the turbine, in kW.
(c) the exergetic turbine efficiency.
For argon, use the ideal gas model with k = 1.67. Ignore the effects of motion and gravity. Let T0 = 20°C, p0 = 1 bar.
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