Fundamentals Of Thermodynamics
10th Edition
ISBN: 9781119494966
Author: Borgnakke, C. (claus), Sonntag, Richard Edwin, Author.
Publisher: Wiley,
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Textbook Question
Chapter 9, Problem 9.33P
A steam power plant has a boiler exit at 5 MPa, 400°C. The condenser operates at 60°C and there is one open FWH at 800kpa. Find the turbine work per unit mass running through the boiler.
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Fundamentals Of Thermodynamics
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- A small power plant produces 25 kg/s steam at 3 MPa, 600 degrees Celsius in the boiler. It cools the condenser with the ocean water coming in at 12 degrees Celsius and returning at 15 degrees Celsius so the condenser exit is at 45 degrees Celsius. Find the net power output and the required mass flow rate of ocean water.arrow_forwardAn ideal reheat turbine with one stage of reheat receives steam at 8.0 MPa,480°C. Reheat pressure is 0.83 MPa and exhaust pressure is 0.007MPa. thework is 1559 KJ/kg and the thermal efficiency is 41.05%. find the temperature of steam leaving the re-heater.arrow_forwardAn ideal reheat turbine with one stage of reheat receives steam at 8.0 MPa, 480 o C. Reheatpressure is 0.83 MPa and exhaust pressure is 0.007 MPa. The work is 1559 kJ/kg and the thermalefficiency is 41.05%. Find the temperature of steam leaving the reheater.arrow_forward
- In a Steam Power Plant steam enters the turbine at 6 bar and 400 C and is expanded isentropic ally to the condenser pressure of 0.1 bar. Find the condition of the exhaust steam and determine the cycle efficiency.arrow_forwardA smaller power plant produces 25 kg/s steam at 3 MPa, 600o C in the boiler. It cools the condenser with ocean water so the condenser exit is at 45o C. There is a reheat done at 500 kPa up to 400o C and then expansion in the low pressure turbine. For the engine find W and ?? .arrow_forwardAn ideal reheat turbine with one stage of reheat recieves steam at 8.0 Mpa,500°c.Reheat pressure is 0.83 Mpa and exhaust pressure is 0.007 mpa. The work is 1559kj/kg and the thermal efficiency is 41.05%.Find the temperature of steam leaving the heater.arrow_forward
- regenerative steam turbine has a throttle pressure of 3.8 MPa at 380 °C and a condenser pressure of 0.1 MPa. Steam are extracted at the following ponts: 2 MPa, 1 MPa, and at 0.2 MPa. For the ideal cycle, find the thermal efficiency.arrow_forwardAn ideal reheat turbine with one stage of reheat receives steam at 8.0 MPa, 480 ̊C.Reheat pressure is 0.83 MPa and exhaust pressure is 0.007 MPa. The work is 1559kJ/kg and the thermal efficiency is 41.05%. Find the temperature of steam leaving thereheater.arrow_forwardAn ideal reheat turbine with one stage of reheat receives steam at 8.0 MPa, 500° C. Reheat pressure is 0.83 MPa and exhaust pressure is 0.007 MPa. The work is 1559 kJ/kg and the thermal efficiency is 41.05%. Find the temperature of steam leaving the reheater.arrow_forward
- A reheat steam cycle has 13,580 kPa of throttle pressure at the turbine inlet and a 37.50308414 atm reheat pressure, the throttle and reheat temperature of the steam is 1302 R, condenser pressure is 4.3 kPa, find the following:a. Thermal Efficiency in percentb. Heat Rejected in kJ/kg Consider the Problem no. 3, if the efficiency at high – pressure and low – pressure turbine is 76% and 75%, respectively, calculate the following:a. Net Work in BTU/lbb. Quality After Turbine Expansion in percentarrow_forwardAn ideal reheat turbine with one stage of reheat receives steam at 8.0 MPa and 480°C. Reheat pressure is 0.83 MPa and exhaust pressure is 0.007MPa. The work is 1559 KJ/kg and thermalefficiency is 41%. Find the temperature of the steam leaving the reheater.arrow_forwardA steam power plant uses steam at boiler pressure of 150 bar and temperature of 550°C withreheat at 40 bar and 550 °C at condenser pressure of 0.1 bar. Find the quality of steam at turbineexhaust, cycle efficiency and the steam rate.arrow_forward
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