FUND OF ENG THERMODYN(LLF)+WILEYPLUS
9th Edition
ISBN: 9781119391777
Author: MORAN
Publisher: WILEY
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Chapter 6, Problem 6.10E
To determine
The given equation restricted to adiabatic processes or isentropic processes or not.
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Describe the isentropic process involves no irreversibilities and serves as the ideal process for adiabatic devices.
Basic Thermodynamics. Determine: (a) the work input, (b) (pV), (c) Ef , and (d) Q.
A 50-Kg block of iron casting at
500K is thrown into a large lake
that is at a temperature of 285K.
The iron block eventually
reaches thermal equilibrium with
the lake water. Assuming an
average specific heat of 0.45
kJ/Kg-K for the iron, the entropy
generation during the process is:
A. 12.65 kJ/K
B. 16.97 kJ/K
C. 4.32 kJ/K
D. 29.62 kJ/K
Chapter 6 Solutions
FUND OF ENG THERMODYN(LLF)+WILEYPLUS
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- In an actual gas turbine operation, due to irreversibility factors, its operation deviates from the ideal conditions. Construct a T-s diagram that represents this behaviour. Demonstrate steps to improve the actual gas turbine operating efficiency.arrow_forwardwhat is thermodynamic second law?arrow_forwardBernoulli's principle is an example of which law of thermodynamics. Explain why?arrow_forward
- On a T-S diagram, the area under the process curve represents the heat transfer for internally reversible processes.arrow_forwardWith your knowledge of the thermodynamic identity, derive a relationship for the heat capacities at constant volume and pressure, respectively, in terms of entropy instead of energy.arrow_forwardFor a closed system, show that the total work done for a reversible adiabatic process, (PVk = C), is given by the equation below:W = {mR/(1-k)} * (T2 - T1) Use the following constant properties for air:cp = 1.007 kJ/kg.K and cv = 0.719 kJ/kg.Karrow_forward
- Describe the Entropy and Entropy Generation in Daily Lifearrow_forward4. A 10 Ibm is drop on a 5 kgm piston with a face area of 800 cm? causing the cylinder to decrease in volume and produced a 2KW of Work with 4kgs/hr of gas exiting the fan and heat deflection of 0.5 KJ/Kg. Consider that the atmospheric pressure is 100 KPa, determine the change in internal energy, in KJ/Kg. Neglect the friction between the piston and the cylinder surface. 10 Ibm 0.5 m 0.3m WFanarrow_forwardKindly determine: (a) the work input, (b) (pV),(c) Ef , and (d) Q.arrow_forward
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