A constant-volume tank of 0.6 m3 contains initially equal volumes of liquid water and water vapor in equilibrium at 100 kPa. The container is heated at constant volume until the pressure reaches 8 MPa. As heating continues the pressure is maintained at 8 MPa and steam is fed from the container to an adiabatic steam turbine, as shown in the Figure. The process ends at the point where all of the liquid water in the tank has evaporated. Vapor Liquid Turbine a. Find the temperature of the water when the pressure in the tank reaches 8 MPa. b. Find the mass of steam that flows out of the tank during the process. c. Find the total work of the turbine if the steam exits at 100 kPa and a quality of 80%. d. Find the heat interaction of the tank during the above process.

A constant-volume tank of 0.6 m3 contains initially equal volumes of liquid water and water vapor in equilibrium at 100 kPa. The container is heated at constant volume until the pressure reaches 8 MPa. As heating continues the pressure is maintained at 8 MPa and steam is fed from the container to an adiabatic steam turbine, as shown in the Figure. The process ends at the point where all of the liquid water in the tank has evaporated. Vapor Liquid Turbine a. Find the temperature of the water when the pressure in the tank reaches 8 MPa. b. Find the mass of steam that flows out of the tank during the process. c. Find the total work of the turbine if the steam exits at 100 kPa and a quality of 80%. d. Find the heat interaction of the tank during the above process.

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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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

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2.
A constant-volume tank of 0.6 m3 contains initially equal volumes of liquid water and water
vapor in equilibrium at 100 kPa. The container is heated at constant volume until the
pressure reaches 8 MPa. As heating continues the pressure is maintained at 8 MPa and steam
is fed from the container to an adiabatic steam turbine, as shown in the Figure. The process
ends at the point where all of the liquid water in the tank has evaporated.
Vapor
Liquid
Turbine
a. Find the temperature of the water when the pressure in the tank reaches 8 MPa.
b. Find the mass of steam that flows out of the tank during the process.
c. Find the total work of the turbine if the steam exits at 100 kPa and a quality of 80%.
d. Find the heat interaction of the tank during the above process.

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