-
61
The Regularity Criteria and the A Priori Estimate on the 3D Incompressible Navier-Stokes Equations in Orthogonal Curvilinear Coordinate Systems
Published 2020-01-01“…We establish one regularity criteria of the weak solutions involving only in a vorticity component ω3 and one a priori estimate on the solution that H3u3L∞0,T;Lpℝ3 is bounded for 1≤p≤∞ to three-dimensional incompressible Navier-Stokes equations in orthogonal curvilinear coordinate systems. …”
Get full text
Article -
62
APPLICATION OF LEXICOGRAPHIC METHODS IN FINDING NEW SOLUTIONS FOR THE CONSTRUCTION OF SWITCH FAUCETS
Published 2021-01-01“…Thus, the pressure, flow, velocity variation and degree of fluid vorticity have better values for the faucet body obtained by applying the lexicographic method. …”
Get full text
Article -
63
Numerical Investigation on Vortex Shedding from a Hydrofoil with a Beveled Trailing Edge
Published 2015-01-01“…The hybrid particle-mesh method and the vorticity-based subgrid scale model were employed to simulate these turbulent wake flows. …”
Get full text
Article -
64
Investigation of Swirling Flows in Mixing Chambers
Published 2011-01-01“…The combination of the Taylor dispersion and the vorticity was first introduced and made the mixing successful. …”
Get full text
Article -
65
A New Integro-Differential Equation for Rossby Solitary Waves with Topography Effect in Deep Rotational Fluids
Published 2013-01-01“…From rotational potential vorticity-conserved equation with topography effect and dissipation effect, with the help of the multiple-scale method, a new integro-differential equation is constructed to describe the Rossby solitary waves in deep rotational fluids. …”
Get full text
Article -
66
Vortex Simulation of the Bubbly Flow around a Hydrofoil
Published 2007-01-01“…The vortex method, proposed by the authors for gas-liquid two-phase free turbulent flow in a prior paper, is applied for the simulation. The liquid vorticity field is discrerized by vortex elements, and the behavior of vortex element and the bubble motion are simultaneously computed by the Lagrangian approach. …”
Get full text
Article -
67
Modal Analysis and Flow through Sectionalized Pipeline Gate Valve Using FEA and CFD Technique
Published 2023-01-01“…The CFD suggests that the sectionalized design of the gate valve leads to a strong vorticity of the fluid in the transversal direction of the flow and a decrease in efficiency due to pressure drop.…”
Get full text
Article -
68
Laminar Wall Jet Flow and Heat Transfer over a Shallow Cavity
Published 2015-01-01“…Results are presented for streamline contour, velocity contour, and vorticity formation at wall and also velocity profiles are reported. …”
Get full text
Article -
69
Ignition by Hot Transient Jets in Confined Mixtures of Gaseous Fuels and Air
Published 2016-01-01“…Shock wave traverse of the reaction zone is seen to significantly increase the overall reaction rate, likely due to compression heating, as well as baroclinic vorticity generation that stirs and mixes reactants and increases flame area. …”
Get full text
Article -
70
Online Projective Integral with Proper Orthogonal Decomposition for Incompressible Flows Past NACA0012 Airfoil
Published 2012-01-01“…The second and the third POD modes assist the first mode by correcting magnitudes and phases of vorticity fields. However, adding the fifth POD mode in the model leads to some incorrect results in phase-shift forms for both drag and lift coefficients. …”
Get full text
Article -
71
Smoke Simulation with Detail Enhancement in Ship Fires
Published 2025-01-01“…Next, the vortex particles are sampled within the grid, and the loss of vorticity is measured before and after vortex stretching to compensate for the missing smoke details. …”
Get full text
Article -
72
Impact of a Diagnostic Pressure Equation Constraint on Tornadic Supercell Thunderstorm Forecasts Initialized Using 3DVAR Radar Data Assimilation
Published 2013-01-01“…It is found that the experiments using DPEC generally predict higher low-level vertical vorticity than the experiments not using DPEC near the time of observed tornadoes. …”
Get full text
Article -
73
A quasi-lumped model for the peripheral distortion of the arterial pulse
Published 2011-11-01“…We report that close to the heart, convection effects related to the change in the magnitude of the velocity of blood dominate the alteration of the shape of the pressure pulse, while at remote sites of the vascular tree, convection of vorticity, related to the change in the direction of the velocity of blood with respect to a mean axial flow, prevails. …”
Get full text
Article -
74
Analysis of Pressure Pulsation Induced by Rotor-Stator Interaction in Nuclear Reactor Coolant Pump
Published 2017-01-01“…Besides, the vortex shedding or backflow from the impeller blade exit has the same frequency as pressure pulsation but there are phase differences, and it has been confirmed that the absolute value of phase differences reflects the vorticity intensity.…”
Get full text
Article -
75
A linear filter regularization for POD-based reduced-order models of the quasi-geostrophic equations
Published 2023-03-01“…Our regularization is based on the so-called BV-$\alpha $ model, which modifies the nonlinear term in the QGE and adds a linear differential filter for the vorticity. To show the effectiveness of the BV-$\alpha $ model for ROM closure, we compare the results computed by a POD-Galerkin ROM with and without regularization for the classical double-gyre wind forcing benchmark. …”
Get full text
Article -
76
Amplification of Northern Hemisphere winter stationary waves in a warming world
Published 2025-01-01“…The streamfunction budget analysis reveals relative vorticity advection is mainly associated with this process. …”
Get full text
Article -
77
The Study of the Impact of Temperature and Wind In the Southern Low Pressure Systems
Published 2020-06-01“…The results of wind speed changes showed that the increased (decreased) wind speed simulation caused an increase (decrease) in relative vorticity, thus the southern low pressure was intensified (weakened). …”
Get full text
Article -
78
Fluid–structure interaction in a follow-up study of arterio-venous fistula maturation
Published 2024-11-01“…The main findings revealed: a) counter-rotating vortices in the anastomosis cross-section affecting local pressure conditions; b) different temporal progression of vorticity, shear strain rate, and turbulent kinetic energy and similarity of the temporal progression of WSS obtained under the assumptions of the rigid-walled and FSI; c) a negligible low-WSS zone in the presented thrombosis-free AVF; d) migration of the zone of maximal temporal wall deformation over time.…”
Get full text
Article -
79
Aerodynamic Performance of a Passive Pitching Model on Bionic Flapping Wing Micro Air Vehicles
Published 2019-01-01“…This phenomenon can be attributed to a vorticity moment whose component in the lift direction grows at a rapid speed. …”
Get full text
Article -
80
Hydromagnetic Flow of Two Immiscible Couple Stress Fluids through Porous Medium in a Cylindrical Pipe with Slip Effect
Published 2023-01-01“…Instead of the classical no-slip condition, the slip velocity along with vanishing couple stress boundary conditions is taken on the surface of the rigid cylinder, and continuity conditions of velocity, vorticity, shear stress, and couple stress are imposed at the fluid-fluid interface. …”
Get full text
Article