A p-V diagram of hypothetical thermodynamic cycle with 1.24 mol of Ne (assume perfect gas) as the thermodynamic fluid initially at 330.15 K and 20.0 atm shown in the graph. Note, Cv,m = 1.5 R, Cp,m = 12 J K/mol Determine q, w, and dS for each process in the cycle and for the whole cycle. If this thermodynamical cycle is used as basis for a heat engine, what would be its efficiency?
A p-V diagram of hypothetical thermodynamic cycle with 1.24 mol of Ne (assume perfect gas) as the thermodynamic fluid initially at 330.15 K and 20.0 atm shown in the graph. Note, Cv,m = 1.5 R, Cp,m = 12 J K/mol Determine q, w, and dS for each process in the cycle and for the whole cycle. If this thermodynamical cycle is used as basis for a heat engine, what would be its efficiency?
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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A p-V diagram of hypothetical thermodynamic cycle with 1.24 mol of Ne (assume perfect gas) as the thermodynamic fluid initially at 330.15 K and 20.0 atm shown in the graph. Note, Cv,m = 1.5 R, Cp,m = 12 J K/mol
Determine q, w, and dS for each process in the cycle and for the whole cycle.
If this thermodynamical cycle is used as basis for a heat engine, what would be its efficiency? Use |w| / |q| formula.
Transcribed Image Text:P
C
A
B
41
how notensys Vumixem sidal W
A B reversible isothermal expansion to final pressure of 1.75 atm
B→ C reversible adiabatic compression to final volume of 12.40 L
C A change of state to go back to the initial P,V,T condition.
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Step 1: Evaluate gas constant and adiabatic index for Neon gas.
VIEWStep 2: Evaluate properties at all state points.
VIEWStep 3: Evaluate work, heat, and change in entropy of all processes.
VIEWStep 4: Evaluate net work done, net heat transfer and change in entropy of the cycle.
VIEWStep 5: Evaluate thermal efficiency of the cycle.
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