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.
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.
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