Characterization of vortex-shedding regimes and lock-in response of a wind turbine airfoil with two high-fidelity simulation approaches by R. Fernandez-Aldama, G. Papadakis, O. Lopez-Garcia, S. Avila-Sanchez, V. A. Riziotis, A. Cuerva-Tejero, C. Gallego-Castillo

“…<p>In this work, the vortex-induced vibration (VIV) phenomenon affecting a wind turbine airfoil section at <span class="inline-formula">90<i>°</i></span> incidence is analysed with two numerical approaches, a two-dimensional (2D) setup of the airfoil, simulated using the unsteady Reynolds-averaged Navier–Stokes equations, and a three-dimensional (3D) setup with a span-to-chord aspect ratio of 1, employing the delayed detached-eddy simulation model. …”
Get full text

Adjustable tongue vane for improving the energy performance of a submersible single-channel pump for wastewater treatment by Duc-Anh Nguyen, Kexin Wu, Xiaojun Li, Gyeong Sung Kim, Jin-Hyuk Kim

“…Numerical simulations were conducted by using Reynolds-averaged Navier-Stokes equations and shear stress transport turbulence model to evaluate the energy loss inside the volute. …”
Get full text

The analysis of the influence of the turbulence model selection on the parameters of interaction of a supersonic jet with an obstacle by R. A. Peshkov, A. S. Shmetkova, O. V. Ispravnikova, Ju. L. Suskina

“…Differential equations describing the motion of a compressible viscous heatconducting gas (Navier-Stokes equations) are presented, and a method for averaging them by Reynolds is described. …”
Get full text

On the motion of a viscous liquid with a free boundary by V. L. Sennitskii

“…To formulate the problem, the Navier—Stokes equation, the continuity equation, and the equation of conditions at both the solid and free boundaries of the liquid were used. …”
Get full text

The Effect of Fracture Surface Roughness and Mechanical Aperture on the Onset of Nonlinear Flow Behaviors in 3D Self-Affine Rough Fractures by Kangsheng Xue, Xiaobo Liu, Xufeng Yan, Xiaolou Chi

“…Comparing the permeability obtained by the Navier–Stokes equation with the cube law under different hydraulic gradients, we found that their deviation increased with the increase of hydraulic gradients. …”
Get full text

Permeability Properties of Jointed Rock with Periodic Partially Filled Fractures by Fei Ye, Jun-Chao Duan, Wen-Xi Fu, Xing-Yu Yuan

“…In this model, the clear fluid in fractures is governed by the Navier-Stokes equation, and the fluid both in the porous medium and rock matrix are subjected to the Brinkman-Extended Darcy equation. …”
Get full text

Distributed Approximating Functional Approach to Burgers’ Equation using Element Differential Quadrature Method by M Vaghefi, H Rahideh, MR Golbaher Haghighi, AK Manshad

“…This equation is similar to, but simpler than, the Navier-Stokes equation in fluid dynamics. To verify this advantage through some comparison studies, an exact series solution are also obtained. …”
Get full text

Numerical Simulations of the Impact and Spreading of a Particulate Drop on a Solid Substrate by Hyun Jun Jeong, Wook Ryol Hwang, Chongyoup Kim

“…We present two-dimensional numerical simulations of the impact and spreading of a droplet containing a number of small particles on a flat solid surface, just after hitting the solid surface, to understand particle effects on spreading dynamics of a particle-laden droplet for the application to the industrial inkjet printing process. The Navier-Stokes equation is solved by a finite-element-based computational scheme that employs the level-set method for the accurate interface description between the drop fluid and air and a fictitious domain method for suspended particles to account for full hydrodynamic interaction. …”
Get full text

Distributed Approximating Functional Approach to Burgers’ Equation using Element Differential Quadrature Method by M Vaghefi, H Rahideh, MR Golbaher Haghighi, AK Manshad

“…This equation is similar to, but simpler than, the Navier-Stokes equation in fluid dynamics. To verify this advantage through some comparison studies, an exact series solution are also obtained. …”
Get full text

Numerical Modeling of the Influence of Solar Activity on the Global Circulation in the Earth’s Mesosphere and Lower Thermosphere by Igor Mingalev, Victor Mingalev

“…Moreover, in the model calculations, not only the horizontal components but also the vertical component of the neutral wind velocity is obtained by means of a numerical solution of a generalized Navier-Stokes equation for compressible gas, so the hydrostatic equation is not applied. …”
Get full text

Numerical Simulation on Interface Evolution and Impact of Flooding Flow by J. Hu, Z. Q. Lu, X. Y. Kan, S. L. Sun

“…A numerical model based on Navier-Stokes equation is developed to simulate the interface evolution of flooding flows. …”
Get full text

Numerical Simulation of the Nonlinear Flow Properties in Self-Affine Aperture-Based Fractures by Xin Zhou, Jianlong Sheng, Ruili Lu, Zuyang Ye, Wang Luo

“…By solving the N–S (Navier–Stokes) equation directly, the relationships between the Forchheimer-flow characteristics, fractal dimension, and standard deviation of the aperture have been obtained. …”
Get full text

A Multiscale Model for Virus Capsid Dynamics by Changjun Chen, Rishu Saxena, Guo-Wei Wei

“…We show that the classical Navier-Stokes equation for the fluid dynamics and Newton's equation for the molecular dynamics can be derived from the least action principle. …”
Get full text

Numerical study of bioheat transfer in a vascular bed with counter-flow mechanisms by K.R. Sreegowrav, R. Indira, Sushma M. Puranik, S. Jagadeesha, S.J. Vishwanatha, K. Ganesh Kumar

“…The bioheat transport equation, combined with the Navier-Stokes equation, governs the thermal and fluid behavior. …”
Get full text

Application of Runoff Confluence Model in Early Warning of Mountain Floods in Small Watersheds of Sichuan by YE Bangping, DING Yuhong, LIU Jinbao, CHEN Jun, ZHANG Xiaoli

“…Taking a small watershed in the Pengzhou mountainous area of Sichuan as the research object,this paper employs historical precipitation data,watershed zoning data,DEM,and other data to calibrate the model parameters on a watershed runoff confluence model based on Navier-Stokes equation (N-S equation) with stable flow fields.The conclusions are as follows:① After model parameter calibration,the diffusion coefficient is 0.12,with an acceleration coefficient of 0.12 and a maximum water velocity of 3;② The analysis of confluence characteristics under different precipitation scenarios shows that with the increasing rainfall,the maximum water depth rises,and the time for maximum increase in water depth and the time for the maximum water depth decrease.The watersheds with the maximum time for a water depth of less than 200 min are mainly the upper watersheds,while those with the maximum time for a water depth of more than 200 min are mainly the main watersheds;③ The assessment reveals that there are no watersheds with high risk levels of mountain floods in the small watershed of Pengzhou mountainous area,17 watersheds with high levels,19 watersheds with relatively high levels,and only one watershed with low levels.…”
Get full text

Modeling the Hydrodynamic Pressure Field and Wake Field Characteristics of an Underwater Vehicle and Studying Their Correlation by Peihao Li, Hui Deng, Bingrui Xu, Weixue Xia, Wenbin Yi

“…In this paper, a numerical method is established based on the Reynolds-averaged Navier–Stokes equation. Following grid convergence verification for seven kinds of grids, the differences between the hydrodynamic pressure field and wake field are investigated using the gridding method and turbulence model. …”
Get full text

Unstructured Grid Solutions for Incompressible Laminar Flow over a Circular Cylinder Using a Particular Finite Volume-Finite Element Method by Mahdi Yousefifard, Parviz Ghadimi, Rahim Zamanian

“…A numerical modeling of a 2D Navier-Stokes equation by a particular vertex centered control volume framework on an unstructured grid is presented in this paper. …”
Get full text

Numerical Modeling of Unsteady Cavitating Flows around a Stationary Hydrofoil by Antoine Ducoin, Biao Huang, Yin Lu Young

“…The 2D calculations are performed by solving the Reynolds-averaged Navier-Stokes equation using the CFD solver CFX with the k-ω SST turbulence model. …”
Get full text

Multicomponent Lattice Boltzmann Simulations of Gas Transport in a Coal Reservoir with Dynamic Adsorption by Zhigao Peng, Shenggui Liu, Songlei Tang, Yuechao Zhao, Yingjun Li

“…A double-distribution Lattice Boltzmann model for solving the coupled generalized Navier-Stokes equation and advection-diffusion equation with respect to the gas-solid dynamic adsorption process is proposed for multicomponent gas migration in the unconventional reservoir. …”
Get full text

Design and Fabrication of a High Performance Microfluidic Chip for Blood Plasma Separation: Modelling and Prediction of System Behaviour via CFD Method by Hossein Amini, Amin Sokhansanj, Mohammad Akrami, Ismaeil Haririan

“…Fick’s law of diffusion was validated for this diffusion transfer, the Navier–Stokes equation was used for the momentum balance, and the Laplace equation was utilized for the dynamics of the mesh. …”
Get full text