Lecture 24: Relative Diffusion Fluxes; Thermoelectric Effects

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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: Energy and entropy carried by photons (electromagnetic radiation). Thermoelectric effects in solid conductors. Seebeck effect, the thermocouple, and the thermoelectric generator. Peltier and Thomson effect. 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_lec24_pdf/ Key moments: 00:00:00 - Introduction 00:00:23 - Onsager Cross Effects and Curie Symmetry Principle 00:03:51 - Only a Fraction of the Energy Flux is Heat 00:07:42 - Relation Between Independent Diffusive Fluxes 00:19:19 - Electromagnetic Radiation: Energy and Entropy 00:27:36 - Relative Diffusive Fluxes and Forces 00:36:01 - Thermoelectric Effects 00:36:20 - Thermoelectric Effects in Solid Conductors 00:49:27 - Seeebeck Effe

Published 2024-12-05 · Watch on YouTube ↗
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