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Elias P. Gyftopoulos
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Proceedings Papers

On the Evolution of the Definition of Entropy From Clausius to Today

Elias P. Gyftopoulos
Proc. ASME. IMECE96, Advanced Energy Systems, 199-204, November 17–22, 1996
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1996-0275
https://doi.org/10.1115/IMECE1996-0275
View Paper titled, On the Evolution of the Definition of Entropy From Clausius to Today
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Topics: Entropy, Engines, Reservoirs, Exergy, Equilibrium (Physics), Temperature, Algebra, Heat, Laws of thermodynamics
Proceedings Papers

Entropy: Part II — Thermodynamics and Perfect Order

Elias P. Gyftopoulos
Proc. ASME. IMECE99, Advanced Energy Systems, 233-241, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0831
https://doi.org/10.1115/IMECE1999-0831
View Paper titled, Entropy: Part II — Thermodynamics and Perfect Order
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Topics: Entropy, Thermodynamics, Equilibrium (Physics), Particulate matter, Quantum mechanics, Shapes, Statistics
Proceedings Papers

Entropy: Part I — Statistics and its Misleading Disorder

Elias P. Gyftopoulos
Proc. ASME. IMECE99, Advanced Energy Systems, 227-232, November 14–19, 1999
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1999-0830
https://doi.org/10.1115/IMECE1999-0830
View Paper titled, Entropy: Part I — Statistics and its Misleading Disorder
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Topics: Entropy, Statistics, Thermodynamics, Engineers, Equilibrium (Physics), Shapes, Statistical mechanics
Journal Articles

The Fuel Shortage and Thermodynamics—The Entropy Crisis

Joseph H. Keenan, Elias P. Gyftopoulos, George N. Hatsopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021001.
Paper No: 01-KeenanGyftopoulosHats
https://doi.org/10.1115/1.4026377
Published Online: March 1, 2015
View Article titled, The Fuel Shortage and Thermodynamics—The Entropy Crisis
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Topics: Entropy, Fuels, Temperature, Heating, Heat, Water
Journal Articles

Energy Conservation Education: Major Considerations

Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021002.
Paper No: 02-Gyftopoulos-Proc1Natl
https://doi.org/10.1115/1.4026378
Published Online: March 1, 2015
View Article titled, Energy Conservation Education: Major Considerations
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Topics: Education, Energy conservation, Manufacturing, Economics
Journal Articles

A Novel Sequence of Exposition of Engineering Thermodynamics

Gian Paolo Beretta, Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021009.
Paper No: 09-BerettaGyftopoulos-AS
https://doi.org/10.1115/1.4026385
Published Online: March 1, 2015
View Article titled, A Novel Sequence of Exposition of Engineering Thermodynamics
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Topics: Entropy, Equilibrium (Physics), Thermodynamics, Heat
Journal Articles

What is a Chemical Equilibrium State?

Gian Paolo Beretta, Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021008.
Paper No: 08-GyftopoulosBeretta-Pr
https://doi.org/10.1115/1.4026384
Published Online: March 1, 2015
View Article titled, What is a Chemical Equilibrium State?
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Topics: Equilibrium (Physics), Chemical reactions
Journal Articles

What is a Simple System?

Gian Paolo Beretta, Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021007.
Paper No: 07-BerettaGyftopoulos-AS
https://doi.org/10.1115/1.4026383
Published Online: March 1, 2015
View Article titled, What is a Simple System?
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Topics: Equilibrium (Physics), Entropy
Journal Articles

Electromagnetic Radiation: A Carrier of Energy and Entropy

Gian Paolo Beretta, Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021005.
Paper No: 05-BerettaGyftopoulos-AS
https://doi.org/10.1115/1.4026381
Published Online: March 1, 2015
View Article titled, Electromagnetic Radiation: A Carrier of Energy and Entropy
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Topics: Entropy, Equilibrium (Physics), Radiation (Physics), Cavities, Heat, Electromagnetic fields, Electromagnetic radiation, Flow (Dynamics), Temperature
Journal Articles

What is the Third Law?

Gian Paolo Beretta, Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021004.
Paper No: 04-BerettaGyftopoulos-FL
https://doi.org/10.1115/1.4026380
Published Online: March 1, 2015
View Article titled, What is the Third Law?
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Topics: Entropy, Equilibrium (Physics), Temperature, Particulate matter, Thermodynamics
Journal Articles

On the Evolution of the Definition of Entropy From Clausius to Today

Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021010.
Paper No: 10-Gyftopoulos-ASME-AES3
https://doi.org/10.1115/1.4026386
Published Online: March 1, 2015
View Article titled, On the Evolution of the Definition of Entropy From Clausius to Today
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Topics: Engines, Entropy, Equilibrium (Physics), Reservoirs, Temperature, Laws of thermodynamics, Exergy
Journal Articles

What is Heat?

Gian Paolo Beretta, Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2015, 137(2): 021006.
Paper No: 06-BerettaGyftopoulos-AS
https://doi.org/10.1115/1.4026382
Published Online: March 1, 2015
View Article titled, What is Heat?
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Topics: Entropy, Equilibrium (Physics), Heat, Temperature
Journal Articles

Quantum-theoretic Shapes of Constituents of Systems in Various States

Elias P. Gyftopoulos, Michael R. von Spakovsky
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Papers
J. Energy Resour. Technol. March 2003, 125(1): 1–8.
https://doi.org/10.1115/1.1525245
Published Online: March 14, 2003
View Article titled, Quantum-theoretic Shapes of Constituents of Systems in Various States
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Topics: Density, Entropy, Equilibrium (Physics), Particulate matter, Probability, Shapes, Harmonic oscillators
Journal Articles

Entropies of Statistical Mechanics and Disorder Versus the Entropy of Thermodynamics and Order

Elias P. Gyftopoulos
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Technical Papers
J. Energy Resour. Technol. June 2001, 123(2): 110–118.
https://doi.org/10.1115/1.1368122
Published Online: December 13, 2000
View Article titled, Entropies of Statistical Mechanics and Disorder Versus the Entropy of Thermodynamics and Order
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Topics: Entropy, Thermodynamics, Statistical mechanics