Steam at 3 MPa and 400°C is expanded to 30 kPa in an adiabatic turbine with an isentropic efficiency of 92 percent. Determine the power produced by this turbine, in kilowatts, when the mass flow rate is 2.8 kg/s. Use steam tables. The power produced by the turbine is 725.52 kW.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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**Problem Statement:**

Steam at 3 MPa and 400°C is expanded to 30 kPa in an adiabatic turbine with an isentropic efficiency of 92 percent. Determine the power produced by this turbine, in kilowatts, when the mass flow rate is 2.8 kg/s. Use steam tables.

The power produced by the turbine is **725.52 kW**.

**Explanation:**

This problem involves calculating the power output of a steam turbine. The steam expands from high pressure and temperature to a lower pressure, and you are given the isentropic efficiency, which relates real-world performance to idealized calculations. By using steam tables, specific enthalpy values at different states can be found to perform this calculation. 

This setting is typical in thermodynamics courses in engineering and energy systems.
Transcribed Image Text:**Problem Statement:** Steam at 3 MPa and 400°C is expanded to 30 kPa in an adiabatic turbine with an isentropic efficiency of 92 percent. Determine the power produced by this turbine, in kilowatts, when the mass flow rate is 2.8 kg/s. Use steam tables. The power produced by the turbine is **725.52 kW**. **Explanation:** This problem involves calculating the power output of a steam turbine. The steam expands from high pressure and temperature to a lower pressure, and you are given the isentropic efficiency, which relates real-world performance to idealized calculations. By using steam tables, specific enthalpy values at different states can be found to perform this calculation. This setting is typical in thermodynamics courses in engineering and energy systems.
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