A nuclear power plant based on the Rankine cycle operates with a boiling-water reactor to develop net cyclepower of 3 MW. Steam exits the reactor core at 100 bar, 520°C and expands through the turbine to thecondenser pressure of 1 bar. Saturated liquid exits the condenser and is pumped to the reactor pressure of 100bar. Isentropic efficiencies of the turbine and pump are 81% and 78%, respectively. Cooling water enters thecondenser at 15°C with a mass flow rate of 114.79 kg/s. DetermineSteam generatora) the thermal efficiency.b)the temperature of the cooling water exiting thecondenser, in °C.PumpTurbineCondenser

Answered: Image /qna-images/answer/56d1199b-5283-430d-a8f5-dd92180d9b6f.jpg

Answered: A nuclear power plant based on the…

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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In a cogeneration system, a Rankine cycle operates with steam entering the turbine at 800 lb/in.², 700°F, and a condenser pressure of 180 lb/in.² The isentropic turbine efficiency is 90%. Energy rejected by the condensing steam is transferred to a separate process stream of water entering at 250°F, 140 lb/in.2 and exiting as saturated vapor at 140 lb/in.2 The mass flow rate of the process stream is 48,000 lb/h. Let To -70°F, po - 14.7 lb//in.² Step 1 Determine the mass flow rate for the working fluid of the Rankine cycle, in lb/h. mcycle Step 2 Hint W Your answer is correct. cycle = 54852.5 Determine the net power output for the cycle, in Btu/h. Hint Step 3 Your answer is correct. 7087421.984 € = i lb/h eTextbook and Media Save for Later Btu/h Evaluate an exergetic efficiency for the overall cogeneration system. The exergetic efficiency is defined as the net rate of exergy output divided by the net rate of exergy input. Attempts: 1 of 4 used % Attempts: 2 of 4 used Attempts: 0 of 4…
Water is the working fluid in a supercritical ideal reheat cycle. Steam enters the first-stageturbine at 320 bar, 640°C, and expands to 120 bar. After being reheated it enters thesecond-stage turbine at a temperature of 600°C, where is expands to a pressure of 0.06bar. The steam is then condensed until it is a saturated liquid.Question:Determine:(a) The thermal efficiency of the cycle(b) The back work ratio of the cycle
Water is the working fluid in a Rankine cycle. Steam exits the steam generator at 1500 lbf/in.² and 1100°F. Due to heat transfer and frictional effects in the line connecting the steam generator and turbine, the pressure and temperature at the turbine inlet are reduced to 1400 lbf/in.² and 1000°F, respectively. Both the turbine and pump have isentropic efficiencies of 85%. Pressure at the condenser inlet is 2 lbf/ in.², but due to frictional effects the condensate exits the condenser at a pressure of 1.5 lbf/in.² and a temperature of 110°F. The condensate is pumped to 1600 lbf/in.² before entering the steam generator. The net power output of the cycle is 1x 10⁹ Btu/h. Cooling water experiences a temperature increase from 60°F to 76°F, with negligible pressure drop, as it passes through the condenser. Determine for the cycle: (a) the mass flow rate of steam, in lb/h. (b) the rate of heat transfer, in Btu/h, to the working fluid passing through the steam generator. (c) the percent…

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