Lecture 25: Thermodiffusive Effects; Multicomponent Transport

MIT OpenCourseWare · Beginner ·📄 Research Papers Explained ·1y ago
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: Thermo-osmotic and mechano-caloric effects. Interdiffusion in a binary mixture, Maxwell-Stefan and Fick diffusion coefficients. Thermophoresis: Soret and Dufour effects. Multicomponent heat, mass, and charge transport. 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_lec25_pdf/ Key moments: 00:00:00 - Introduction 00:00:19 - Onsager Cross Effects and Curie Symmetry Principle 00:00:55 - Relation Between Independent Diffusive Fluxes 00:01:51 - Relative Diffusive Fluxes and Forces 00:04:43 - Cross Effects Between Vectorial Fluxes and Forces 00:12:34 - Thermoelectric Effects 00:13:06 - Second-Law Efficiency of Thermoelectric Generator 00:22:46 - Thermo-Osmosis of Pure Substances in Porous Media 00:29:39 - Interdiffusion of Two Constituents 00:38:38 - Thermodiffusion Effects. Thermophoresis 00:52:14 - Other Mechanisms for Molecular Transport in a Pore/Capillary 01:05:07 - Modeling Electrochemical Systems 01:08:47 - Nonequilibrium Beyond the Linear Regime 01:08:57 - More on Far-Nonequilibrium Models 01:17:00 - In 2024 Thermodynamics Turned 200 Years Old! 01:17:17 - Prigogine Prize for PhD Theses in Thermodynamics 01:19:03 - Thank You for Attending or Viewing These Lectures! Licens
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Chapters (17)

Introduction
0:19 Onsager Cross Effects and Curie Symmetry Principle
0:55 Relation Between Independent Diffusive Fluxes
1:51 Relative Diffusive Fluxes and Forces
4:43 Cross Effects Between Vectorial Fluxes and Forces
12:34 Thermoelectric Effects
13:06 Second-Law Efficiency of Thermoelectric Generator
22:46 Thermo-Osmosis of Pure Substances in Porous Media
29:39 Interdiffusion of Two Constituents
38:38 Thermodiffusion Effects. Thermophoresis
52:14 Other Mechanisms for Molecular Transport in a Pore/Capillary
1:05:07 Modeling Electrochemical Systems
1:08:47 Nonequilibrium Beyond the Linear Regime
1:08:57 More on Far-Nonequilibrium Models
1:17:00 In 2024 Thermodynamics Turned 200 Years Old!
1:17:17 Prigogine Prize for PhD Theses in Thermodynamics
1:19:03 Thank You for Attending or Viewing These Lectures!
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