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A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
Published on: June 1, 2022
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Periodically driven thermodynamic systems under vanishingly small viscous drives
Shakul Awasthi1, Sreedhar B Dutta2
1Korea Institute for Advanced Study, School of Physics, Seoul 02455, Korea.
Physical Review. E
|February 20, 2025
Summary
We developed a new method to study driven thermodynamic systems at very low viscosity, revealing unique oscillating states. These states have practical applications in cooling and chemical reactions.
Area of Science:
- Thermodynamics
- Non-equilibrium physics
- Statistical mechanics
Background:
- Periodically driven thermodynamic systems can achieve stable nonequilibrium oscillating states.
- Low viscosity drives in these systems present unique challenges due to singular Langevin dynamics.
- Understanding these exotic states is crucial for advancing beyond equilibrium physics.
Purpose of the Study:
- To develop a theoretical method for probing driven thermodynamic systems in the low viscosity limit.
- To identify and characterize novel oscillating states in this challenging regime.
- To explore the practical applications of these discovered states.
Main Methods:
- Application of singular perturbation theory.
- Utilization of Floquet theory for driven systems.
- Analysis of Langevin dynamics near vanishing viscosity.
Main Results:
- A method is proposed to obtain oscillating states in the low viscosity limit.
- Two distinct classes of distributions were identified in these states.
- These distributions exhibit unique properties with potential for practical use.
Conclusions:
- The proposed method successfully probes exotic nonequilibrium states in driven thermodynamic systems.
- The identified distributions offer promising avenues for applications such as system cooling and controlled chemical reactions.
- This work opens new possibilities for manipulating matter using weakly interacting driven environments.
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