A basic, ideal Rankine cycle using water as the working fluid has a saturated vapour exiting the steam generator at 18 MPa and has a saturated liquid leaving the condenser at 25 kPa. The steam generator receives a heat input of 250 MW. (a) Determine the mass flow rate of the water, (b) the net power output from the cycle, and (c) the thermal efficiency of the cycle. (d) How does the actual thermal efficiency compare to the maximum possible efficiency for a power cycle operating over this temperature range? Provide the required properties at given states by completing the tables below, state P(bar) V T("C) h (kJ/kg) s (kJ/kg K) m²/kg Steam Steam 2 Steam 3 Steam 4 1 ? ? ? ? ? ? ? ? ? ? Show the working of the values below, such as interpolation steps and pump work the mass flow rate of the water? ? ? the net power output from the cycle? the thermal efficiency of the cycle? the actual thermal efficiency compares to the maximum possible efficiency for a power cycle operating over this temperature range. Sketch an appropriate T-s diagram of the cycle and indicate the state values on the diagram.

A basic, ideal Rankine cycle using water as the working fluid has a saturated vapour exiting the steam generator at 18 MPa and has a saturated liquid leaving the condenser at 25 kPa. The steam generator receives a heat input of 250 MW. (a) Determine the mass flow rate of the water, (b) the net power output from the cycle, and (c) the thermal efficiency of the cycle. (d) How does the actual thermal efficiency compare to the maximum possible efficiency for a power cycle operating over this temperature range? Provide the required properties at given states by completing the tables below, state P(bar) V T("C) h (kJ/kg) s (kJ/kg K) m²/kg Steam Steam 2 Steam 3 Steam 4 1 ? ? ? ? ? ? ? ? ? ? Show the working of the values below, such as interpolation steps and pump work the mass flow rate of the water? ? ? the net power output from the cycle? the thermal efficiency of the cycle? the actual thermal efficiency compares to the maximum possible efficiency for a power cycle operating over this temperature range. Sketch an appropriate T-s diagram of the cycle and indicate the state values on the diagram.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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