A steam power plant operates on the cycle given below. For the following set of operating conditions, determine the steam rate, the heat-transfer rates in the boiler and condenser, and the thermal efficiency of the plant. (For data, use the steam table.) P = P2 = 7000 kPa; T2 = 550°C; P3 = P4 = 20 kPa; n(turbine) = 0.75; n(pump) = 0.75; power rating = 100000 kW. The steam rate is |kg-s! The heat-transfer rate in the boiler is[ MW. The heat-transfer rate in the condenser is |MW. The thermal efficiency of the plant is

A steam power plant operates on the cycle given below. For the following set of operating conditions, determine the steam rate, the heat-transfer rates in the boiler and condenser, and the thermal efficiency of the plant. (For data, use the steam table.) P = P2 = 7000 kPa; T2 = 550°C; P3 = P4 = 20 kPa; n(turbine) = 0.75; n(pump) = 0.75; power rating = 100000 kW. The steam rate is |kg-s! The heat-transfer rate in the boiler is[ MW. The heat-transfer rate in the condenser is |MW. The thermal efficiency of the plant is

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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Part a and b please
complete solutions with four decimal digits. Box the final answers, Write legibly. In a Rankine cycle, saturated liquid water at 1 bar is compressed isentropically to 150 bar.First by heating in a boiler, and then by superheating at constant pressure of 150 bar, thewater substance is brought to 750 K. After adiabatic reversible expansion in a turbine to 1bar, it is then cooled in a condenser to a saturated liquid. Using steam tables, what is thethermal efficiency of the cycle?
A Rankine cycle with a thermal efficiency of 42% produces 100 kW of net power. What is the rate of heat transfer into the boiler? Round your answer to the nearest whole number.
derive a symbolic expression for the maximum net conversion efficiency of the cycle,ηcycle, the ratio of the net amount of work produced compared to the external (not from heatregeneration) heat absorbed. You may treat the working fluid as an ideal gas. Your expressionmay include Tc, Th, and any defined constants.
DESIGN a steam power plant that produces 70 MW of power. The plant should have an open heater and a reheater operating simultaneously utilizing saturated steam from the partial expansion of steam in the turbine. The remaining steam is reheated to the inlet temperature of steam when it enters the turbine. Another open heater is used to bled saturated steam when the steam partially expands in the turbine after reheating, remaining steam is expanded to the exhaust pressure of the turbine. Other pertinent data are as follows: steam turbine: inlet pressure – 6.6 MPa; inlet temperature - 420 C; exhaust pressure – 10 KPa; stages of turbine – all pressure compounded stage; pumps – 90% efficient; shaftings – 75%% efficient; generator – 95% efficient. DRAW a line diagram of the design plant indicating the pressure, temperature and enthalpy at each point and specify the following: a) the mass requirement of the steam plant in kg/hr b) the masses extracted in kg/hr and c) the plant thermal…