Question 5 (25 points)A simple ideal Rankine cycle with water as the working fluid operates between the pressure limits of 10 MPa inthe boiler and 10 kPa in the condenser and a turbine inlet temperatureof 500°C. The boiler is sized to provide a steam flow of 165 kg/s.Determine(a) (5 points) the quality of the steam at the turbine exit,(b) (10 points) the thermal efficiency of the cycle, andBoilerTurbine(c) (10 points) the net power produced by the cycleCondenser

Answered: Question 5 (25 points) A simple ideal…

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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A steam Rankine cycle operates between the pressure limits of 1500 psia in the boiler and 3 psia in the condenser. The turbine inlet temperature is 800°F. The turbine isentropic efficiency is 90 percent, the pump losses are negligible, and the cycle is sized to produce 2500 kW of power. How much error is caused in the thermal efficiency if the power required by the pump were completely neglected? Use steam tables. The error caused in the thermal efficiency if the power required by the pump was completely neglected is %.
2) A steam power plant operates according to the simple ideal Rankine cycle. The pressure limits of the cycle are 9 MPa and 10 kPa, and the flow of water eirculating in the cycle is 60 kg/s. It is required that the moisture content of the steam at the turbine outlet does not fall below 90 percent. Accordingly, calculate (a) the lowest possible turbine inlet temperature, (b) the heat supplied to the cycle, and (c) the thermal efficiency of the cycle by showing the cycle on a T-s diagram with saturated vapor and saturated liquid curves,.
A steam Rankine cycle operates with a condenser temperature of 30°C, and a boiler pressure of 15MPa. The turbine is divided into two stages, a high-pressure turbine, and a low pressure turbine. In between the turbine stages the steam is reheated by the boiler so that the inlet temperature to both turbine stages is the same. The exit pressure of the first turbine stage is 7MPa. The condenser inlet is a saturated vapor and the outlet a saturated liquid. What is the net work of the cycle? What is the thermal efficiency of the cycle?
PROBLEM: Steam power plant with ideal Rankine cycle. Steam enters the turbine at 4MPA and 700°C. The steam is cooled in the condenser at 20 kPa using cooling water. The net power output of the cycle is 100MW. Determine: a) The power produced by the turbine and consumed by the pump, b) thermal efficiency of the cycle, c) mass flow rate of the steam, and d) the mass flow rate of the condenser cooling water, if the cooling water enters the condenser at 15 °C and exits at 35°C. Draw the T-s diagram.
Consider an ideal Rankine cycle with reheating as shown. Steam enters a high-pressure turbine at 6 MPa and 440°C and expands to 0.5 MPa then reheated to 400°C. The condenser pressure is 8 kPa. • Calculate the quality at the exit of the low-pressure turbine, x6 = • Calculate the work produced by the low-pressure turbine in kJ/kg • Calculate the heat transfer in reheating (greheat) in kJ/kg = Boiler Turbine 3 QH 5 Condenser 87.3% || 89.0%||| 91.1% | 94.3% || 95.9% || 99.0% 763 |805 || 832 || 851878 || 901 513 556| 581 665 | 697|| 758
2. A Rankine cycle is characterized by turbine inlet conditions of 10 MPa and 500°C. The condenser pressure is 6 kPa. The heat transfer to the steam in the boiler occurs at the rate of 7.0 X 100 kW. The cooling water in the condenser increases in temperature from 20⁰ to 30°C. Determine (a) the net power produced; (b) the cooling-water flow rate in kg/s; (c) the cycle thermal efficiency.
There is a simple real rankine cycle, in which the steam enters the turbine with a pressure of 5MPa and a temperature of 500°C. The working pressure of the condenser is 20kPa. The mass flow of steam 35.4 kg/s. The Isoentropic efficiency of the turbine is 88% And the isoentropic efficiencyof the pump is 84%. Determine: a) The thermal efficiency of the cycle b) The net power produced by this cycle
Required information Problem 10.019 - Power plant operating in simple Rankine cycle - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTS NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. Consider a 210-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 10 MPa and 500°C and is cooled in the condenser at a pressure of 15 kPa. Problem 10.019.b - Quality of steam at turbine exit Determine the quality of the steam at the turbine exit. Use steam tables. (You must provide an answer before moving on the next part.) The quality of the steam at the turbine exit is
A simple ideal Rankine cycle with water as the working fluid operates between the pressure limits of 10 MPa in Boiler the boiler and 10 kPa in the condenser and a turbine inlet temperature of 500°C. The boiler is sized to provide a steam flow of 165 kg/s. Determine: (a)(s) the quality of the steam at the turbine exit, (b) the thermal efficiency of the cycle, and (c) 2) the net power produced by the cycle Wa Condesser Turbine
Consider a steam power plant that operates on the ideal reheat Rankine cycle. The plant maintains the boiler at 8000 kPa, the reheat section at 1000 kPa, and the condenser at 20 kPa. The mixture quality at the exit of both turbines is 90 percent. Determine (a) the temperature at the inlet of each turbine, (b) the cycle's thermal efficiency, efficiency of this cycle. Assume a source temperature of 1500 K and a sink temperature of 295 K. (d) the second-law
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