MIT 2.43 Advanced Thermodynamics, Spring 2024 - Lecture 24: Relative Diffusion Fluxes; Thermoelectric Effects

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 Effect and the Thermocouple 01:02:28 - Seebeck Effect and the Thermoelectric Generator 01:08:22 - Peltier Effect 01:25:31 - Thomson Heating/Cooling Effect vs Joule Heating 01:35:33 - Cross Effects in Charge and Spin Current Transport 01:38:21 - Spin-Seebeck Effect License: Creative Commons BY-NC-SA More information at https://ocw.mit.edu/terms More courses at https://ocw.mit.edu Support OCW at http://ow.ly/a1If50zVRlQ We encourage constructive comments and discussion on OCW’s YouTube and other social media channels. Personal attacks, hate speech, trolling, and inappropriate comments are not allowed and may be removed. More details at https://ocw.mit.edu/comments.