Lecture 3: Energy vs Entropy Diagrams to Represent Equilibrium and Nonequilibrium States
Skills:
Maths for ML60%
MIT 2.43 Advanced Thermodynamics, Spring 2024
Instructor: Gian Paolo Beretta
View the complete course: https://ocw.mit.edu/courses/2-43-advanced-thermodynamics-spring-2024/
Complete course table of contents with hyperlinks to slides and video timestamps: https://ocw.mit.edu/courses/2-43-advanced-thermodynamics-spring-2024/resources/mit2_43_s24_toc_slides_pdf/
Complete course analytical index with hyperlinks to slides and video timestamps: https://ocw.mit.edu/courses/2-43-advanced-thermodynamics-spring-2024/resources/mit2_43_s24_index_slides_pdf/
YouTube Playlist: https://www.youtube.com/playlist?list=PLUl4u3cNGP6309d0oJDiVo1CvxUQXJ2il
This lecture covers: Energy vs entropy diagrams to represent equilibrium and nonequilibrium states, adiabatic availability, available energy. Energy and entropy balances. Criteria for reversibility. Minimum entropy decrease to extract energy from a stable equilibrium state.
Instructor suggests to set viewing speed at 1.5 for faster learning.
Slides for this lecture: https://ocw.mit.edu/courses/2-43-advanced-thermodynamics-spring-2024/resources/mit2_43_s24_lec03_pdf/
Key moments:
00:00:00 - Introduction
00:01:27 - Review: Definition of Property Energy
00:03:17 - Review: Energy Balance Equation
00:05:14 - Review: Second Law of Thermodynamics
00:07:40 - Review: Definition of Temperature of a Reservoir
00:07:56 - Review: Definition of Property Entropy
00:09:41 - Review: Engineering Meaning of Entropy
00:11:36 - Criteria for Reversibility of a Weight Process
00:14:29 - Review: Entropy Balance Equation
00:18:07 - Review: Maximum Entropy Principle
00:20:10 - Review: State Principle and Fundamental Relation
00:23:35 - Gibbs Relation
00:25:19 - Temperature, Pressure, and Chemical Potentials
00:49:32 - Necessary Conditions for Mutual Equilibrium
00:53:22 - Graphical Representation of Basic Concepts
00:54:20 - Contruction of the Energy vs Entropy Diagram
00:57:11 - Representation of Non-Stable-Equilibrium States
01:01:47 - Special Systems
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Chapters (18)
Introduction
1:27
Review: Definition of Property Energy
3:17
Review: Energy Balance Equation
5:14
Review: Second Law of Thermodynamics
7:40
Review: Definition of Temperature of a Reservoir
7:56
Review: Definition of Property Entropy
9:41
Review: Engineering Meaning of Entropy
11:36
Criteria for Reversibility of a Weight Process
14:29
Review: Entropy Balance Equation
18:07
Review: Maximum Entropy Principle
20:10
Review: State Principle and Fundamental Relation
23:35
Gibbs Relation
25:19
Temperature, Pressure, and Chemical Potentials
49:32
Necessary Conditions for Mutual Equilibrium
53:22
Graphical Representation of Basic Concepts
54:20
Contruction of the Energy vs Entropy Diagram
57:11
Representation of Non-Stable-Equilibrium States
1:01:47
Special Systems
🎓
Tutor Explanation
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