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MIT OpenCourseWare

Thermodiffusive Effects and Multicomponent Transport in Advanced Thermodynamics - Lecture 25

MIT OpenCourseWare via YouTube

Overview

Explore advanced thermodynamics concepts in this 80-minute lecture focusing on thermodiffusive effects and multicomponent transport phenomena. Delve into key topics including thermo-osmotic and mechano-caloric effects, interdiffusion in binary mixtures, and the relationships between Maxwell-Stefan and Fick diffusion coefficients. Master the principles of thermophoresis through detailed explanations of Soret and Dufour effects, while gaining comprehensive understanding of multicomponent heat, mass, and charge transport. The lecture progresses through Onsager cross effects, thermoelectric phenomena, molecular transport mechanisms in porous media, and extends into electrochemical system modeling. Engage with both theoretical frameworks and practical applications, from basic principles to advanced nonequilibrium concepts beyond the linear regime. For optimal learning efficiency, viewing at 1.5x speed is recommended by the instructor.

Syllabus

- Introduction
- Onsager Cross Effects and Curie Symmetry Principle
- Relation Between Independent Diffusive Fluxes
- Relative Diffusive Fluxes and Forces
- Cross Effects Between Vectorial Fluxes and Forces
- Thermoelectric Effects
- Second-Law Efficiency of Thermoelectric Generator
- Thermo-Osmosis of Pure Substances in Porous Media
- Interdiffusion of Two Constituents
- Thermodiffusion Effects. Thermophoresis
- Other Mechanisms for Molecular Transport in a Pore/Capillary
- Modeling Electrochemical Systems
- Nonequilibrium Beyond the Linear Regime
- More on Far-Nonequilibrium Models
- In 2024 Thermodynamics Turned 200 Years Old!
- Prigogine Prize for PhD Theses in Thermodynamics
- Thank You for Attending or Viewing These Lectures!

Taught by

MIT OpenCourseWare

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