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561 回視聴 ・ 9いいね ・ 2024/12/05

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-adva...
Complete course table of contents with hyperlinks to slides and video timestamps: https://ocw.mit.edu/courses/2-43-adva...
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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-adva...

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

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