1. 2 kg of air undergoes a power cycle undergoes a power cycle consisting of the following processes: Process 1-2: Constant-temperature expansion from p1 2 m3/kg. Process 2-3: Constant-pressure compression to T3 Process 3-1: Constant-volume heating to state 1. 4 bar, v, = 1 m³ /kg, to p2 = 2 bar, v2 = 696.9 K. Assume ideal gas behavior and neglect kinetic and potential energy effects. Show that T2 = 1393.7 K and find T1. Sketch the cycle on a T-v diagram and label the states. Find the work done and heat transferred during each process to complete this chart: o a. b. с. Process W (kJ) Q (kJ) 1-2 2-3 3-1 ТОТAL

1. 2 kg of air undergoes a power cycle undergoes a power cycle consisting of the following processes: Process 1-2: Constant-temperature expansion from p1 2 m3/kg. Process 2-3: Constant-pressure compression to T3 Process 3-1: Constant-volume heating to state 1. 4 bar, v, = 1 m³ /kg, to p2 = 2 bar, v2 = 696.9 K. Assume ideal gas behavior and neglect kinetic and potential energy effects. Show that T2 = 1393.7 K and find T1. Sketch the cycle on a T-v diagram and label the states. Find the work done and heat transferred during each process to complete this chart: o a. b. с. Process W (kJ) Q (kJ) 1-2 2-3 3-1 ТОТAL

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

1.
2 kg of air undergoes a power cycle undergoes a power cycle consisting of the following
processes:
Process 1-2: Constant-temperature expansion from p1 =
2 m3/kg.
Process 2-3: Constant-pressure compression to T3 = 696.9 K.
Process 3-1: Constant-volume heating to state 1.
4 bar, v, = 1 m³ /kg, to p2 = 2 bar, v2 =
Assume ideal gas behavior and neglect kinetic and potential energy effects.
Show that T2= 1393.7 K and find T1.
Sketch the cycle on a T-v diagram and label the states.
Find the work done and heat transferred during each process to complete this chart: s
а.
b.
с.
Process
W (kJ)
Q (kJ)
1-2
2-3
3-1
ТОTAL
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
d.
е.
energy be? Does that hold in this case?

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p62,#13 with illustration and explanation