Fundamentals Of Engineering Thermodynamics, 9th Edition Epub Reg Card Loose-leaf Print Companion Set
9th Edition
ISBN: 9781119456285
Author: Michael J. Moran
Publisher: Wiley (WileyPLUS Products)
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Chapter 2, Problem 2.24P
To determine
The net work of the cycle, in KJ.
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3) From an initial state where the pressure is p,, the temperature is T, and the
volume is V1, water vapor contained in a piston-cylinder assembly undergoes each of
the following processes:
Process 1-2: Constant-temperature to p, = 2p,
Process 1-3: Constant volume to p3 = 2p1
Process 1-4: Constant pressure to V4 = 2V1
Process 1-5: Constant temperature to V; = 2V,
%3D
On a p-V diagram, sketch each process, identify the work by an area on the diagram,
and indicate whether the work is done by, or on, the water vapor.
1Kg of water contained in a piston-cylinder assembly undergoes five processes in series as follows:
Process 1-2: constant pressure heating at 10 bar from saturated vapor
Process 2-3: constant volume cooling to P; = 5 bar and T; = 180°C
Process 3-4: constant pressure compression to x=0.45
Process 4-5: constant volume heating to Ps = P1
Process 5-1: constant pressure heating to saturated vapor
a. Sketch the above processes on both T-v and P-v diagrams
b. Find quality at point 5, and the work done in each process
0.5-kg of air undergoes a power cycle consisting of the following process:
Process 1-2: Constant volume from p1 = 1.4 bar, T1 = 5 °C to T2 = 180 °C.
Process 2-3: Adiabatic expansion to v3 = 1.4v2
Process 3-1: Constant-pressure compression
Assuming ideal gas behavior, determine a) the pressure at State 2, in bar. b) the temperature at State 3, in °C. c) the thermal efficiency of the cycle.
Chapter 2 Solutions
Fundamentals Of Engineering Thermodynamics, 9th Edition Epub Reg Card Loose-leaf Print Companion Set
Ch. 2 - Prob. 2.1ECh. 2 - Prob. 2.2ECh. 2 - Prob. 2.3ECh. 2 - Prob. 2.4ECh. 2 - Prob. 2.5ECh. 2 - Prob. 2.6ECh. 2 - Prob. 2.7ECh. 2 - Prob. 2.8ECh. 2 - Prob. 2.9ECh. 2 - Prob. 2.10E
Ch. 2 - Prob. 2.11ECh. 2 - Prob. 2.12ECh. 2 - Prob. 2.13ECh. 2 - Prob. 2.14ECh. 2 - Prob. 2.15ECh. 2 - Prob. 2.16ECh. 2 - Prob. 2.17ECh. 2 - Prob. 2.1CUCh. 2 - Prob. 2.2CUCh. 2 - Prob. 2.3CUCh. 2 - Prob. 2.4CUCh. 2 - Prob. 2.5CUCh. 2 - Prob. 2.6CUCh. 2 - Prob. 2.7CUCh. 2 - Prob. 2.8CUCh. 2 - Prob. 2.9CUCh. 2 - Prob. 2.10CUCh. 2 - Prob. 2.11CUCh. 2 - Prob. 2.12CUCh. 2 - Prob. 2.13CUCh. 2 - Prob. 2.14CUCh. 2 - Prob. 2.15CUCh. 2 - Prob. 2.16CUCh. 2 - Prob. 2.17CUCh. 2 - Prob. 2.18CUCh. 2 - Prob. 2.19CUCh. 2 - Prob. 2.20CUCh. 2 - Prob. 2.21CUCh. 2 - Prob. 2.22CUCh. 2 - Prob. 2.23CUCh. 2 - Prob. 2.24CUCh. 2 - Prob. 2.25CUCh. 2 - Prob. 2.26CUCh. 2 - Prob. 2.27CUCh. 2 - Prob. 2.28CUCh. 2 - Prob. 2.29CUCh. 2 - Prob. 2.30CUCh. 2 - Prob. 2.31CUCh. 2 - Prob. 2.32CUCh. 2 - Prob. 2.33CUCh. 2 - Prob. 2.34CUCh. 2 - Prob. 2.35CUCh. 2 - Prob. 2.36CUCh. 2 - Prob. 2.37CUCh. 2 - Prob. 2.38CUCh. 2 - Prob. 2.39CUCh. 2 - Prob. 2.40CUCh. 2 - Prob. 2.41CUCh. 2 - Prob. 2.42CUCh. 2 - Prob. 2.43CUCh. 2 - Prob. 2.44CUCh. 2 - Prob. 2.45CUCh. 2 - Prob. 2.46CUCh. 2 - Prob. 2.47CUCh. 2 - Prob. 2.48CUCh. 2 - Prob. 2.49CUCh. 2 - Prob. 2.50CUCh. 2 - Prob. 2.51CUCh. 2 - Prob. 2.52CUCh. 2 - Prob. 2.53CUCh. 2 - Prob. 2.54CUCh. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Prob. 2.4PCh. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10PCh. 2 - Prob. 2.11PCh. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - Prob. 2.14PCh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - Prob. 2.19PCh. 2 - Prob. 2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - Prob. 2.27PCh. 2 - Prob. 2.28PCh. 2 - Prob. 2.29PCh. 2 - Prob. 2.30PCh. 2 - Prob. 2.31PCh. 2 - Prob. 2.32PCh. 2 - Prob. 2.33PCh. 2 - Prob. 2.34PCh. 2 - Prob. 2.35PCh. 2 - Prob. 2.36PCh. 2 - Prob. 2.37PCh. 2 - Prob. 2.38PCh. 2 - Prob. 2.39PCh. 2 - Prob. 2.40PCh. 2 - Prob. 2.41PCh. 2 - Prob. 2.42PCh. 2 - Prob. 2.43PCh. 2 - Prob. 2.44PCh. 2 - Prob. 2.45PCh. 2 - Prob. 2.46PCh. 2 - Prob. 2.47PCh. 2 - Prob. 2.48PCh. 2 - Prob. 2.49PCh. 2 - Prob. 2.50PCh. 2 - Prob. 2.51PCh. 2 - Prob. 2.52PCh. 2 - Prob. 2.53PCh. 2 - Prob. 2.54PCh. 2 - Prob. 2.55PCh. 2 - Prob. 2.56PCh. 2 - Prob. 2.57PCh. 2 - Prob. 2.58PCh. 2 - Prob. 2.59PCh. 2 - Prob. 2.60PCh. 2 - Prob. 2.62PCh. 2 - Prob. 2.63PCh. 2 - Prob. 2.64PCh. 2 - Prob. 2.65PCh. 2 - Prob. 2.66PCh. 2 - Prob. 2.67PCh. 2 - Prob. 2.68PCh. 2 - Prob. 2.69PCh. 2 - Prob. 2.70PCh. 2 - Prob. 2.71P
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- Please can you solve this question in thermodynamicsarrow_forward2. A gas undergoes a thermodynamic cycle consisting of the following processes:i) Process 1-2: Constant pressure p1 = 1.4 bar, V1=0.028 m3, W1-2=10.5 kJii) Process 2-3: Compression with pV=Constant, U3=U2iii) Process 3-1: Constant Volume, U1-U3 = -26.4 kJThere are no significant changes in KE and PEi) Sketch the cycle on a p-V diagramii) Calculate the network for the cycle in kJiii) Calculate the heat transfer for process 1-2iv) Show that ƩW = ƩQarrow_forwardInitially contains Air: P1 = 30 lbf/in^2 T1 = 540 °F V1 = 4 ft^3 Second phase of process involving Air to a final state: P2 = 20 lbf/in^2 V2 = 4.5 ft^3 Wheel transfers energy TO the air by WORK at 1 Btu. Energy transfers TO the air by HEAT at 12 Btu. Ideal Gas Behavior. Determine energy transfer by work based on the air to the piston in Btu. Wpw =-1 Btu Ima Q = -12 Btu Air Wpist = ? Initially, p₁ = 30 lbf/in.², T₁ = 540°F, V₁ = 4 ft³. Finally, p2 = 20 lbf/in.², V₂ = 4.5 ft³.arrow_forward
- 2.33 Carbon monoxide gas (CO) contained within a piston- Process 1-2: Expansion from p, 5 bar, V = 0.2 m' to Process 2-3: Constant-volume heating from state 2 to state Process 3-1: Constant-pressure compression to the initial V, = 1 m'. during which the pressure-volume relationship is cylinder assembly undergoes three processes in series to pV = constant. 3, where p3 5 bar. %3D state. Sketch the processes in series on p-V coordinates and msi uate the work for each process, in kJ.arrow_forward1. A gas within a piston-cylinder assembly undergoes a thermodynamic cycle consisting of three processes: Process 1-2: Compression with PV = constant, from P₁ = 1 bar, V₁ = 2 m³ to V₂ = 0.2 m³, U₂ − U₁ = 100 kJ; 2 Process 2-3: Constant volume to P3 = P₁; Process 3-1: Constant-pressure and adiabatic process. Neglect the changes of kinetic and potential energy in all three processes. (a) Sketch the cycle on a P-V diagram; (b) Determine the net work (i.e., W12 + W23 + W31) of the cycle, in kJ; (c) Determine the heat transfer for process 2-3, in kJ. Hint: System's state variables remain unchanged after a cycle, i.e. (U₂ − U₁) + (U3 − U₂) + (U₁ − U3) = 0arrow_forward3) From an initial state where the pressure is p1, the temperature is T1, and the volume is V1, water vapor contained in a piston-cylinder assembly undergoes each of the following processes: Process 1–2: Constant‐temperature to p2= 2p1 Process 1–3: Constant volume to p3= 2p1 Process 1–4: Constant pressure to V4= 2V1 Process 1–5: Constant temperature to V5= 2V1 On a p–V diagram, sketch each process, identify the work by an area on the diagram, and indicate whether the work is done by, or on, the water vapor.arrow_forward
- 4) Figure shows a gas contained in a vertical piston-cylinder assembly. The total mass of the piston (including shaft) is 100 kg. While the gas is slowly heated, the internal energy of the gas increases by 0.1 kJ, the potential energy of the piston-shaft combination increases by 0.2 kJ. The piston and cylinder are poor conductors, and friction between them is negligible. The local atmospheric pressure is 1 bar and approximate g as 10 m/s². The cross-sectional area of the piston is 0.01 m². Determine, (a) the work done by the gas, (b) the heat transfer to the gas, all in kJ. Patm = 1 bar Gas 0.01 m²arrow_forwardPlease do fastarrow_forward* Your answer is incorrect. A piston-cylinder assembly contains 0.7 lb of propane. The propane expands from an initial state where p₁ = 60 lbf/in.² and T₁ = 70°F to a final state where p₂ = 10 lbf/in.² During the process, the pressure and specific volume are related by pv² = constant. Determine the energy transfer by work, in Btu. W = i 3.123 Btuarrow_forward
- 2.15 Air undergoes two processes in series! Process 1-2: polytropic compression, with n = 1.3, from pi= 100 kPa. v₁ = 0.04 m³/kg to 1/2 = 0.02 m³/kg Process 2-3: constant-pressure process to 3 = V₁ Sketch the processes on a p-v diagram and determine the total work per unit mass of air, in kJ/kg.arrow_forwardRefrigerant 134a is compressed with no heat transfer in a piston–cylinder assembly from 30 lbf/in.2, 20°F to 160 lbf/in.2 The mass of refrigerant is 0.04 lb. For the refrigerant as the system, W = 0.56 Btu. Kinetic and potential energy effects are negligible. Determine the final temperature, in °F.arrow_forwardSome unknown gas undergoes a polytropic process, pV^1.5 = constant, the initial pressure, p1, is 1 bar, and the initialvolume, V1, is 1 m3. We also know the final volume, V2, is 4 m3. Please determine 1) the final pressure of the gas, p2, inbar; and the total work done by the gas, W, in kJ; 2) judge the direction of energy flow for the work: into the system or outof the system.arrow_forward
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