d) Steam at 7 MPa and 300°C is throttled adibatically during a steady flow process in a valve to saturated vapour at 3 MPa as shown in Figure 2. Figure 2 Write the rate form basis entropy balance in its most general form. i) ii) Using the entropy balance you have written in i), obtain the entropy balance expression for the throttle above and use it to determine the entropy generated in kJkg" during the throttling process. Comment on whether the increase in entropy principle is obeyed. iii)
d) Steam at 7 MPa and 300°C is throttled adibatically during a steady flow process in a valve to saturated vapour at 3 MPa as shown in Figure 2. Figure 2 Write the rate form basis entropy balance in its most general form. i) ii) Using the entropy balance you have written in i), obtain the entropy balance expression for the throttle above and use it to determine the entropy generated in kJkg" during the throttling process. Comment on whether the increase in entropy principle is obeyed. iii)
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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Transcribed Image Text:d)
Steam at 7 MPa and 300°C is throttled adibatically during a steady flow process in a
valve to saturated vapour at 3 MPa as shown in Figure 2.
Figure 2
Write the rate form basis entropy balance in its most general form.
i)
ii)
Using the entropy balance you have written in i), obtain the entropy balance
expression for the throttle above and use it to determine the entropy generated in
kJkg during the throttling process.
Comment on whether the increase in entropy principle is obeyed.
iii)
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