Lecture 25: Thermodiffusive Effects; Multicomponent Transport

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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

Published 2024-12-05 · Watch on YouTube ↗
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