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6. (100 pts) Superheated steam enters an insulated (i.e., adiabatic) turbine at a pressure of 10 bar and 350 °C. The velocity of the steam entering the turbine is considered neglibible. The steam exits the turbine through a pipe with an inner diameter of 0.25 m, at a volumetric flow rate of 15 m³/s, and is saturated at a pressure of 5 bar. Assume that the whole process does not change in height. a) Prepare a flow diagram of the process and label the inlet and outlet streams. b) Write down the energy balance equation for the system, and eliminate those terms that can be neglected. You must justify why these terms are neglected. c) What is the temperature of the output stream (please include the unit)? d) Determine the mass flow rate of the process (in kg/s). e) Determine the velocity of the exit stream (in m/s). f) Determine the power delivered by the turbine (in kW).

6. (100 pts) Superheated steam enters an insulated (i.e., adiabatic) turbine at a pressure of 10 bar and 350 °C. The velocity of the steam entering the turbine is considered neglibible. The steam exits the turbine through a pipe with an inner diameter of 0.25 m, at a volumetric flow rate of 15 m³/s, and is saturated at a pressure of 5 bar. Assume that the whole process does not change in height. a) Prepare a flow diagram of the process and label the inlet and outlet streams. b) Write down the energy balance equation for the system, and eliminate those terms that can be neglected. You must justify why these terms are neglected. c) What is the temperature of the output stream (please include the unit)? d) Determine the mass flow rate of the process (in kg/s). e) Determine the velocity of the exit stream (in m/s). f) Determine the power delivered by the turbine (in kW).

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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6. (100 pts) Superheated steam enters an insulated (i.e., adiabatic) turbine at a pressure of 10 bar and 350 °C. The velocity of the steam entering the turbine is considered neglibible. The steam exits the turbine through a pipe with an inner diameter of 0.25 m, at a volumetric flow rate of 15 m³/s, and is saturated at a pressure of 5 bar. Assume that the whole process does not change in height. a) Prepare a flow diagram of the process and label the inlet and outlet streams. b) Write down the energy balance equation for the system, and eliminate those terms that can be neglected. You must justify why these terms are neglected. c) What is the temperature of the output stream (please include the unit)? d) Determine the mass flow rate of the process (in kg/s). e) Determine the velocity of the exit stream (in m/s). f) Determine the power delivered by the turbine (in kW).
Transcribed Image Text:6. (100 pts) Superheated steam enters an insulated (i.e., adiabatic) turbine at a pressure of 10 bar and 350 °C. The velocity of the steam entering the turbine is considered neglibible. The steam exits the turbine through a pipe with an inner diameter of 0.25 m, at a volumetric flow rate of 15 m³/s, and is saturated at a pressure of 5 bar. Assume that the whole process does not change in height. a) Prepare a flow diagram of the process and label the inlet and outlet streams. b) Write down the energy balance equation for the system, and eliminate those terms that can be neglected. You must justify why these terms are neglected. c) What is the temperature of the output stream (please include the unit)? d) Determine the mass flow rate of the process (in kg/s). e) Determine the velocity of the exit stream (in m/s). f) Determine the power delivered by the turbine (in kW).
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