Applied thermodynamics in astrophysics

La thermodynamique appliquée à l'astrophysique

IN BRIEF Thermodynamics: Study of physical properties as a function of temperature. Thermal equilibrium: State where temperature reaches a stable value. Astrophysics: Application of thermodynamic principles to astronomical phenomena. Wien’s Law: Principles used to analyze radiation in the universe. Mass-luminosity relation: Correlations between mass and light emission from stars. Understanding accretion disks and other astrophysical … Read more

Statistical physics and its applications

La physique statistique et ses applications

IN BRIEF The purpose of statistical physics: to explain the behavior of macroscopic systems. Relation to thermodynamics and its fundamental laws. Key concepts: temperature, entropy, enthalpy, free energy. Practical applications in various fields: metals, semiconductors, radiation physics. Importance of microscopic properties to understand macroscopic properties. Contribution to research on elementary particles and other quantum phenomena. … Read more

The principles of thermodynamics: simple explanations

Les principes de la thermodynamique : explications simples

IN BRIEF Thermodynamics: Study of energy exchanges. First principle: Conservation of energy. Second principle: Direction of heat exchanges. Third principle: Limit of entropy at absolute zero. Thermodynamic systems: open, closed, and isolated. Applications: Thermal machines, physical, biological, and chemical processes. Thermodynamics is an essential branch of physics that studies the relationships between heat and other … Read more