The figure below is the basic plot of pressure vs. volume for the Dual Standard Cycle. Constant pressure heat addition 3 PV = constant Heat IN Adiabatic expansion 5 Heat OUT (Constant volume heat rejection) Constant volume heat addition 1 Adiabatic. compression Volume (V) Using the Dual Air Standard Cycle and the following data: • Assume constant properties of air. R= 287 J/kgK; Cp = 1005 J/kgK; Cv = 718 J/kgK; y = 1.4 • Cycle compression ratio = 11 (v1/v2) Air conditions prior to compression: Pressure = 1.6 bar; Temperature = 298K Heat added at constant volume = 290000 J/kg Heat added at constant pressure = 579000 J/kg Pressure (P)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The figure below is the basic plot of pressure vs. volume for the Dual Standard Cycle.
Constant pressure
heat addition
3
4
PV = constant
Нeat
IN
Adiabatic
expansion
Heat OUT
(Constant volume
heat rejection)
Constant
volume heat
addition
1
Adiabatic
compression
Volume (V)
Using the Dual Air Standard Cycle and the following data:
• Assume constant properties of air. R= 287 J/kgK; Cp = 1005 J/kgK; Cv = 718 J/kgK; y = 1.4
Cycle compression ratio = 11 (v1/v2)
Air conditions prior to compression: Pressure = 1.6 bar; Temperature = 298K
Heat added at constant volume = 290000 J/kg
%3D
Heat added at constant pressure = 579000 J/kg
Pressure (P)
2]
Transcribed Image Text:The figure below is the basic plot of pressure vs. volume for the Dual Standard Cycle. Constant pressure heat addition 3 4 PV = constant Нeat IN Adiabatic expansion Heat OUT (Constant volume heat rejection) Constant volume heat addition 1 Adiabatic compression Volume (V) Using the Dual Air Standard Cycle and the following data: • Assume constant properties of air. R= 287 J/kgK; Cp = 1005 J/kgK; Cv = 718 J/kgK; y = 1.4 Cycle compression ratio = 11 (v1/v2) Air conditions prior to compression: Pressure = 1.6 bar; Temperature = 298K Heat added at constant volume = 290000 J/kg %3D Heat added at constant pressure = 579000 J/kg Pressure (P) 2]
g)
Calculate the pressure at point 5.
P5 =
bar
h)
Calculate the cycle efficiency as a percentage.
%
Transcribed Image Text:g) Calculate the pressure at point 5. P5 = bar h) Calculate the cycle efficiency as a percentage. %
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