(A)
Interpretation:
The flow rate of refrigerant. Is it the same or different in the two cycles?
Concept Introduction:
The equation of energy balance on the condenser is,
Here, time is
(B)
Interpretation:
The compressor work for each of the two possible compressors.
Concept Introduction:
The equation of generalized entropy balance is,
Here, time is t, mass of the system is M, specific entropy of the system is
The expression to obtain the compressor work rate with 80% efficiency is,
The expression to obtain the compressor work with 80% efficiency is,
(C)
Interpretation:
The coefficient of performance for the cycle.
Concept Introduction:
The expression to obtain the coefficient of performance
The expression to obtain the coefficient of performance
(D)
Interpretation:
How long the system would the system have to run in order for the higher-efficiency compressor to be cost effective?
Concept Introduction:
The expression to obtain the time
Trending nowThis is a popular solution!
Chapter 5 Solutions
Fundamentals of Chemical Engineering Thermodynamics (MindTap Course List)
- Introduction to Chemical Engineering Thermodynami...Chemical EngineeringISBN:9781259696527Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark SwihartPublisher:McGraw-Hill EducationElementary Principles of Chemical Processes, Bind...Chemical EngineeringISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEYElements of Chemical Reaction Engineering (5th Ed...Chemical EngineeringISBN:9780133887518Author:H. Scott FoglerPublisher:Prentice Hall
- Industrial Plastics: Theory and ApplicationsChemical EngineeringISBN:9781285061238Author:Lokensgard, ErikPublisher:Delmar Cengage LearningUnit Operations of Chemical EngineeringChemical EngineeringISBN:9780072848236Author:Warren McCabe, Julian C. Smith, Peter HarriottPublisher:McGraw-Hill Companies, The