FUND OF ENG THERMODYN(LLF)+WP NEXT GEN
9th Edition
ISBN: 9781119840602
Author: MORAN
Publisher: WILEY
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Chapter 2, Problem 2.13E
To determine
The form of energy balance for an isolated system.
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Explain the ENERGY BALANCE FOR CLOSED SYSTEMS.
An automobile industry using piston cylinder arrangement for their operation it under goes a thermodynamic cycle which includes three processes with an initial state where pressure is 1.5 bar, volume is 2 m3 and internal energy equals to 480 kJ. The processes are as follows:
1)first stage to second stage: Compression with pV equals to constant to p2 is equals to 2 bar, U2 equals to 720 kJ
2)Second stage to third stage: work is equals to zero, and Q2-3 = - 150 kJ
3)Stage third to one: work is equals to 75 kJ. Neglecting kinetic energy and potential energy changes, find the heat transfer Q1-2 and Q3-1.
Chapter 2 Solutions
FUND OF ENG THERMODYN(LLF)+WP NEXT GEN
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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- As shown in figure below, 5 kg of steam contained within a piston-cylinder assembly undergoes an expansion from state 1, where the specific internal energy is uj = 2709.9 kJ/kg, to state 2, where uz = 2659.6 kJ/kg. During the process, there is heat transfer to the steam with a magnitude of 80 kJ. Also, a paddle wheel transfers energy to the steam by work in the amount of 18.5 kJ. There is no significant change in the kinetic or potential energy of the steam. Determine the energy transfer by work from the steam to the piston during the process, in kJ. 5 kg of steamarrow_forwardEnergy transfer for which the sole effect on everything external to the system could have been the raising of a weight.arrow_forwardThe work associated with a moving boundary is called ______________.arrow_forward
- 20 g of air undergoes a closed cycle, illustrated in Figure Q2, which consists of the following 3 processes: 1-2 Constant pressure heat rejection. 2-3 Constant volume heat addition. 3-1 Isothermal expansion back to the original conditions. P (kPa) 75 1 V (m') 0.025 0.04 Figure Q2: Three process cycle Given that Rair = 287 J/kg-K, and Cy = 718 J/kg-K, and assuming ideal gas conditions throughout: (a) Determine the temperatures at points 1, 2 and 3, and the pressure at point 3. (b) Determine the work during each process, and the net work from the cycle. (c) Determine the heat transferred during each process. (d) Verify that this is a cycle.arrow_forwardTwo kg of nitrogen operates on a three-process cycle where the processes are constant volume (1-2); constant pressure (2-3); and polytropic where n = 1.6, (3-1). Given that p1 = 100 kPa, T1 = 300°K, and v1/v3 = 5, determine (a) the pressure, specific volume, and temperature around the cycle; (b) the work for each process; (c) the heat added. WITH ILLUSTRATIONSarrow_forwardWhat are three forms of energy interactions though boundaries of a system? A. Internal energy B. Heat C. Work D. Mass flowarrow_forward
- Find the minimum work done per Kg of air in a cycle according to the following process: a. isothermal expansion from state 1 to state 2 b. Constant volume compression form state 2 to state 3 c. Constant pressure compression from state 3 to the initial state Data: P1= 350KPa T3= 1650⁰C V1 = 1 m³/Kg represent the work in a P-V diagramarrow_forwardI need to draw the graph also.arrow_forwardExplain why work is not a property of the system.arrow_forward
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