Results 11 to 20 of about 8,959,406 (201)

Prandtl Number in Classical Hard-Sphere and One-Component Plasma Fluids [PDF]

open access: yesMolecules, 2021
The Prandtl number is evaluated for the three-dimensional hard-sphere and one-component plasma fluids, from the dilute weakly coupled regime up to a dense strongly coupled regime near the fluid-solid phase transition.
Sergey Khrapak, Alexey Khrapak
doaj   +2 more sources

Turbulent-Prandtl-number models for liquid lead-bismuth in triangular rod bundles

open access: yesHe jishu, 2022
BackgroundIn order to accurately predict the heat transfer characteristics in the sub-channel of fuel assembly for the low Prandtl number fluid, it is necessary to select a suitable turbulent-Prandtl-number model.PurposeThis study aims at the ...
LIU Shuyong   +5 more
doaj   +1 more source

Proposal of a turbulent Prandtl number model for Reynolds-averaged Navier–Stokes approach on the modeling of turbulent heat transfer of low-Prandtl number liquid metal

open access: yesFrontiers in Energy Research, 2022
Because of their high molecular heat conductivity, low-Prandtl number liquid metal is a promising candidate coolant for various designs of advanced nuclear systems such as liquid metal–cooled fast reactors and accelerator-driven sub-critical system (ADS).
Xi Huang   +5 more
doaj   +1 more source

Prandtl Number and Viscosity Correlations of Titanium Oxide Nanofluids

open access: yesJournal of Engineering, 2023
Many features of nanofluids, such as the Prandtl number and viscosity, are researched as the number of studies conducted in the field of nanofluids increases.
Palesa Helen Mlangeni   +3 more
doaj   +1 more source

Nonlinear stretched flow of a radiative MHD Prandtl fluid with entropy generation and mixed convection

open access: yesFrontiers in Physics, 2023
This paper examines the analysis of entropy generation in the flow of an MHD Prandtl fluid over a nonlinear stretching sheet. Heat transfer is developed through a convectively heated sheet.
Sadia Asad
doaj   +1 more source

Natural convection of large Prandtl number fluids: A controversy answered by a new thermal lattice Boltzmann model

open access: yesCase Studies in Thermal Engineering, 2023
The purpose of this work is to deepen our understanding of natural convection with large Prandtl number fluids and to resolve some controversies in the previous publications.
Sheng Chen   +4 more
doaj   +1 more source

On the Onsetof Thermal Instability in a Low Prandtl Number Nanofluid Layer in a Porous Medium [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2015
Thermal instability in a low Prandtl number nanofluid in a porous medium is investigated by using Galerkin weighted residuals method for free-free boundaries. For porous medium, Brinkman-Darcy modelis applied.
Ramesh Chand, G. C. Rana
doaj   +1 more source

Hydromagnetic dynamos at the low Ekman and magnetic Prandtl numbers

open access: yesContributions to Geophysics and Geodesy, 2016
Hydromagnetic dynamos are numerically investigated at low Prandtl, Ekman and magnetic Prandtl numbers using the PARODY dynamo code. In all the investigated cases, the generated magnetic fields are dominantly-dipolar.
Ján ŠIMKANIN
doaj   +1 more source

CFD modeling of slurry pipeline at different prandtl numbers

open access: yesJournal of Thermal Engineering, 2021
The present work shows the slurry flow characteristics of glass beads having density 2470 kg/m3 at different Prandtl number through a horizontal pipeline.
Om PARKASH   +2 more
doaj   +1 more source

Prandtl-number dependence of convection-driven dynamos in rotating spherical fluid shells [PDF]

open access: yes, 2005
The value of the Prandtl number P exerts a strong influence on convection-driven dynamos in rotating spherical shells filled with electrically conducting fluids.
Simitev, R., Busse, F.H.
core   +1 more source

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