Thermohydrodynamic investigation for supercritical carbon dioxide high speed tilting pad bearings considering turbulence and real gas effect

C Bi, D Han, Y Wu, Y Li, J Yang - Physics of Fluids, 2021 - pubs.aip.org
A global heat balance method for supercritical carbon dioxide (S-CO 2) high speed tilting
pad bearings was developed, in which the real gas effect, variable thermodynamic …

[HTML][HTML] Neural-network-based Riemann solver for real fluids and high explosives; application to computational fluid dynamics

M Ruggeri, I Roy, MJ Mueterthies, T Gruenwald… - Physics of …, 2022 - pubs.aip.org
The Riemann problem is fundamental to most computational fluid dynamics (CFD) codes for
simulating compressible flows. The time to obtain the exact solution to this problem for real …

FluxNet: a physics-informed learning-based Riemann solver for transcritical flows with non-ideal thermodynamics

JCH Wang, JP Hickey - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
Traditional Riemann solvers fall into two broad categories: exact solvers, which require
multiple iterations to achieve high accuracy, and approximate linearized solvers, which …

Propagation of ionizing shock wave in a dusty gas medium under the influence of gravitational and azimuthal magnetic fields

G Nath - Physics of Fluids, 2022 - pubs.aip.org
In this paper, a closed-form solution for an ionizing spherical shock/blast wave in a dusty gas
(a mixture of an ideal gas and solid particles of micrometer size) under the influence of …

Lie group transformation method for shock wave in rotating non-ideal gas with or without magnetic field, and interaction of characteristic shock with weak discontinuity

G Nath, VS Kadam - Physics of Fluids, 2023 - pubs.aip.org
An analytical solution for power-law shock paths and a numerical solution for exponential-
law shock paths to the system of equations that describes a cylindrical shock wave in a …

Exponential shock wave in perfectly conducting self-gravitating rotational axi-symmetric dusty gas with magnetic field, radiative and conductive heat fluxes

G Nath - Physics of Fluids, 2021 - pubs.aip.org
In the present paper, we study the exponential shock propagation in a self-gravitating
rotational axisymmetric perfectly conducting mixture of van der Waal gas and solid particles …

Analytical solutions for the incompressible laminar pipe flow rapidly subjected to the arbitrary change in the flow rate

A Kannaiyan, T Varathalingarajah, S Natarajan - Physics of Fluids, 2021 - pubs.aip.org
A one-dimensional mathematical model is developed for an unsteady incompressible
laminar flow in a circular pipe subjected to a rapid change in the flow rate from an initial flow …

Numerical simulation of ideal and non-ideal under-expanded supersonic jets with adaptive grids

P Yan, CC Conti, G Gori, B Re, A Guardone - Journal of Computational and …, 2023 - Elsevier
This paper numerically investigates the effect of flow non-ideality on the Mach disk pattern
occurring in axisymmetric under-expanded supersonic jets. The explored conditions are …

Explosive breakup and evolution of the thermal boundary layer around a pulse-heated microwire in sub-and supercritical CO2

G Wang, ZC Hu - Physics of Fluids, 2022 - pubs.aip.org
This paper reports our experimental findings aimed to understand the importance of
compressibility in fluid flow and heat transfer. A platinum microwire of diameter 50 μ m was …

Optimal system of Lie sub-algebras and numerical solution for shock wave in rotating non-ideal dusty gas with monochromatic radiation

G Nath, A Maurya - Journal of Engineering Mathematics, 2025 - Springer
In the present article, we have obtained the similarity solutions with the help of optimal
system of Lie sub-algebras and numerical method for the cylindrical shock wave formed by a …