Question 4: Saturated liquid water at 20kPa enters an adiabatic pump and discharges at 5 MPa with h2=240 kJ/kg. The water flowrate is 480 kg/s. a. Draw the system and what are the inlet and outlet temperatures? b. Write general entropy balance for the pump and calculate entropy generation (kJ/K.s) for the process c. Write energy balance for the system and calculate power required by the pump in hp.
Question 4: Saturated liquid water at 20kPa enters an adiabatic pump and discharges at 5 MPa with h2=240 kJ/kg. The water flowrate is 480 kg/s. a. Draw the system and what are the inlet and outlet temperatures? b. Write general entropy balance for the pump and calculate entropy generation (kJ/K.s) for the process c. Write energy balance for the system and calculate power required by the pump in hp.
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
Related questions
Question
Transcribed Image Text:Question 4:
Saturated liquid water at 20kPa enters an adiabatic pump and discharges at 5 MPa with h2=240
kJ/kg. The water flowrate is 480 kg/s.
a. Draw the system and what are the inlet and outlet temperatures?
b. Write general entropy balance for the pump and calculate entropy
generation (kJ/K.s) for the process
c. Write energy balance for the system and calculate power required by the
pump in hp.
d. Explain whether the work produced in part (c) is an actual or ideal work
e. Draw this process on a Ts and hs diagrams.
f. What is the pump's isentropic efficiency?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 4 images
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemical-engineering and related others by exploring similar questions and additional content below.Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The