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Solved: A completely reversible heat pump produces heat at

Thermodynamics: An Engineering Approach | 8th Edition | ISBN: 9780073398174 | Authors: Yunus A. Cengel ISBN: 9780073398174 171

Solution for problem 723 Chapter 7

Thermodynamics: An Engineering Approach | 8th Edition

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Thermodynamics: An Engineering Approach | 8th Edition | ISBN: 9780073398174 | Authors: Yunus A. Cengel

Thermodynamics: An Engineering Approach | 8th Edition

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Problem 723

A completely reversible heat pump produces heat at a rate of 300 kW to warm a house maintained at 248C. The exterior air, which is at 78C, serves as the source. Calculate the rate of entropy change of the two reservoirs and determine if this heat pump satisfies the second law according to the increase of entropy principle.

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Energy Kinetic Energy - energy of motion Potential Energy - stored energy Linear Kinetic Gravitational Potential Q: What about the spring potential Spring Potential Lagrange's Equations/Method (Sec. 1.5) * Energy-based method * Allows us to ignore internal/interaction forces (if we want to) * Usually based around: - generalized coordinates - virtual displacements Generalized Coordinates Lagrange's Equation (with no external forces or damping) Simple Linear Example of Lagrange's Method Simple Rotational Example of Lagrange's Method A Less-Simple Example (Newton/Euler) A Less-Simple Example (Lagrange) Lagrange's Met

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Chapter 7, Problem 723 is Solved
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Textbook: Thermodynamics: An Engineering Approach
Edition: 8
Author: Yunus A. Cengel
ISBN: 9780073398174

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Solved: A completely reversible heat pump produces heat at