Martingale Properties of Entropy Production and a Generalized Work Theorem with Decoupled Forward and Backward Processes
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Statistical Physics"
DOI: 10.1007/s10955-025-03530-w
Abstract: By decoupling forward and backward stochastic trajectories, we construct a family of martingales and work theorems for both overdamped and underdamped Langevin dynamics. Our results are made possible by an alternative derivation of work theorems… read more here.
Keywords: martingale properties; work; work theorems; forward backward ... See more keywords
Sensitivity analysis of entropy production in Al2O3/H2O nanofluid through converging pipe
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Thermal Analysis and Calorimetry"
DOI: 10.1007/s10973-019-09163-y
Abstract: This work numerically investigated entropy production rate in Al 2 O 3 /H 2 O nanofluid flowing through a convergent pipe in laminar flow regime using computational fluid dynamic and response surface methodology. A parametric… read more here.
Keywords: production; entropy production; number; sensitivity analysis ... See more keywords
Thermal evolution of Earth with magnesium precipitation in the core
Sign Up to like & getrecommendations! Published in 2017 at "Earth and Planetary Science Letters"
DOI: 10.1016/j.epsl.2016.10.057
Abstract: Vigorous convection in Earth's core powers our global magnetic field, which has survived for over three billion years. In this study, we calculate the rate of entropy production available to drive the dynamo throughout geologic… read more here.
Keywords: precipitation; entropy production; evolution earth; earth ... See more keywords
Entropy production during natural convection of hybrid nanofluid in an annular passage between horizontal confocal elliptic cylinders
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2019.105378
Abstract: Abstract A numerical analysis on entropy production due to natural convection in an annular passage between horizontal confocal elliptic cylinders is studied. The Al2O3-Cu/water hybrid nanofluid is using as a test fluid. The flow by… read more here.
Keywords: entropy; natural convection; entropy production; annular passage ... See more keywords
Effects of active fluctuations on energetics of a colloidal particle: Superdiffusion, dissipation and entropy production
Sign Up to like & getrecommendations! Published in 2019 at "Physica A: Statistical Mechanics and its Applications"
DOI: 10.1016/j.physa.2019.121574
Abstract: Abstract We consider a colloidal particle immersed in an active bath and derive a Smoluchowski equation that governs the dynamics of the colloidal particle. We address this as active Smoluchowski equation. Our analysis based on… read more here.
Keywords: colloidal particle; dissipation; entropy production;
Investigation of Entropy Production with Thermal Analysis under Soret and Dufour Effects in MHD Flow between Convergent and Divergent Channels
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.2c05937
Abstract: Hydromagnetic flow and heat transport have sustainable importance in conventional system design along with high-performance thermal equipment and geothermal energy structures. The current computational study investigates the energy transport and entropy production due to the… read more here.
Keywords: convergent divergent; entropy; flow; entropy production ... See more keywords
A Theory of Maximum Entropy Production and Its Application to Microwave Remote Sensing—Simultaneous Retrieval of Soil Moisture and Vegetation Water Content
Sign Up to like & getrecommendations! Published in 2024 at "Earth and Space Science"
DOI: 10.1029/2023ea003119
Abstract: A theory of maximum entropy production (MEP) for electromagnetic wave propagation in dielectric materials is proposed and applied to simultaneously retrieving soil moisture (SM) and vegetation water content (VWC) from L‐band microwave brightness temperature (TB).… read more here.
Keywords: maximum entropy; soil moisture; mep; entropy production ... See more keywords
Estimating time-dependent entropy production from non-equilibrium trajectories
Sign Up to like & getrecommendations! Published in 2022 at "Communications Physics"
DOI: 10.1038/s42005-021-00787-x
Abstract: The rate of entropy production provides a useful quantitative measure of a non-equilibrium system and estimating it directly from time-series data from experiments is highly desirable. Several approaches have been considered for stationary dynamics, some… read more here.
Keywords: production; entropy production; production rate; time ... See more keywords
Stochastic approach to entropy production in chemical chaos.
Sign Up to like & getrecommendations! Published in 2020 at "Chaos"
DOI: 10.1063/5.0025350
Abstract: Methods are presented to evaluate the entropy production rate in stochastic reactive systems. These methods are shown to be consistent with known results from nonequilibrium chemical thermodynamics. Moreover, it is proved that the time average… read more here.
Keywords: production; chaos stochastic; chemical chaos; entropy production ... See more keywords
Chiral symmetry breaking and entropy production in Dean vortices
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Fluids"
DOI: 10.1063/5.0142665
Abstract: In toroidal pipes, the secondary flow in cross section is a mirror symmetric pair of counter-rotating axially oriented Dean vortices. This mirror symmetry is broken in helical pipes. We investigate in detail the mirror symmetry… read more here.
Keywords: symmetry breaking; dean vortices; entropy production;
Influence of cavitation on vortical structures and energy loss in a waterjet pump
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0187311
Abstract: Cavitation-induced vortex and energy loss are critical topics in the field of hydraulic machinery. Through a combination of experimental and numerical analysis, this paper investigates how blade loading affects vortical structures and energy loss during… read more here.
Keywords: energy loss; entropy production; cavitation; vortical structures ... See more keywords