3. Ideal air (mass =lkg) in a piston-cylinder assembly undergoes two reversible processes in series from state 1, where T;=290K and Pi= 1bar. The gas constant is 8.314 (kJ/kmol.K). Process 1-2: compression to P3=5 bar in a polytropic process with n=1.19 Process 2-3: expansion in an adiabatic process to P3=1bar Determine the temperature at state 2 and 3 in (K) The total work and heat transfer. Plot on TS diagram.

3. Ideal air (mass =lkg) in a piston-cylinder assembly undergoes two reversible processes in series from state 1, where T;=290K and Pi= 1bar. The gas constant is 8.314 (kJ/kmol.K). Process 1-2: compression to P3=5 bar in a polytropic process with n=1.19 Process 2-3: expansion in an adiabatic process to P3=1bar Determine the temperature at state 2 and 3 in (K) The total work and heat transfer. Plot on TS diagram.

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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Question

3. Ideal air (mass =lkg) in a piston-cylinder assembly undergoes two reversible processes in series from state 1, where T;=290K and
Pi= 1bar. The gas constant is 8.314 (kJ/kmol.K).
Process 1-2: compression to P3=5 bar in a polytropic process with n=1.19
Process 2-3: expansion in an adiabatic process to P3=1bar
Determine the temperature at state 2 and 3 in (K)
The total work and heat transfer.
Plot on TS diagram.

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awuIs 2 kg of air undergoes a power cycle undergocs a power cycle consisting of the following processes: Process 1-2: Constant-temperature expansion from p, = 4 bar, v, = 1 m³ /kg, to p2 = 2 bar, v2 = 2 m3/kg. Process 2-3: Constant-pressure compression to T3 = 696.9 K. Process 3-1: Constant-volume heating to state 1. Assume ideal gas behavior and neglect kinetic and potential energy effects. Show that T; = 1393.7 K and find T Sketch the cycle on a T-v diagram and label the states. Find the work done and heat transferred during cach process to complete this chart: b C. Process W (kJ) Q (kJ) iti 1-2 2-3 3-1 TOTAL Find the thermal efficiency of the cycle. For an energy balance on the entire cycle (1-2-3-1), what should the change in system energy be? Does that hold in this case? Add a Caption Pedro Castaño shared with you > Wednesday • Feb 23, 2022•7:24 PM Adjust IMG_7188 Apple iPhone 12 Pro Max НEIF Wide Camera – 26 mm f1.6 3 MP • 1914 × 1728 • 3.5 MB i
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