Study on Impact of Turbine Location on Hydrodynamics in Tidal Farm by Hongqiang Zhang, Daming Li, Yanqing Li, Ting Yang, Shan Luo, Shunfa Tian, Shilong Bu

“…A 3-D turbine model of near-field flow in the frame of Computational Fluid Dynamics was constructed, and the flow velocity distributions in 7 combinations of “impeller rotating speed - inflow velocity” were simulated. …”
Get full text

Optimizing Rotary Cement Kiln modelling: A comparative analysis of metaheuristics in a real-world application by Miguel Ángel Castán-Lascorz, Antonio Alcaide-Moreno, Jorge Arroyo

“…This study introduces a real-world metaheuristic application designed to minimize the simulation errors of a novel one-dimensional (1D) numerical model of a rotary cement kiln, calibrated by Computational Fluid Dynamics (CFD) results. This model aims to significantly reduce simulation time, facilitating the analysis of multiple scenarios. …”
Get full text

Swirling Flow and Wall Shear: Evaluating the BioMimics 3D Helical Centerline Stent for the Femoropopliteal Segment by Timothy M. Sullivan, Thomas Zeller, Masato Nakamura, Colin G. Caro, Michael Lichtenberg

“…In geometric X-ray analysis, the BioMimics stent was significantly more effective in imparting a helical shape even when the arterial segment was moderately to severely calcified. Computational fluid dynamics analysis showed that average wall shear was significantly higher with the helical centerline stent (1.13±0.13 Pa versus 1.06±0.12 Pa, p=0.05). …”
Get full text

Numerical Study on the Drag Reduction for a D-Shaped Bluff Body with Wavy Trailing Edge Structures by H. Yang, D. Luo, T. Wang

“…The intricate and complex flow structures of three-dimensional unsteady incompressible turbulence surrounding bluff bodies have garnered considerable attention from numerous researchers. Using computational fluid dynamics (CFD) methodologies, the underlying mechanism by which a wavy trailing edge (TE) design for a D-shaped bluff body achieves drag reduction was explored. …”
Get full text

Numerical and experimental investigation of piezoelectric-pneumatic material jet printing method for high-viscosity ink by Xinyi Hu, Xiaoran Dong, Zhanda Li, Junhui Long, Yuan Jin, Hui Li

“…In this work, a two-dimensional computational fluid dynamics model is presented to elucidate the multiphase aerodynamic phenomenon and deposition morphology of jet printing features. …”
Get full text

A New Coupled CFD/Neutron Kinetics System for High Fidelity Simulations of LWR Core Phenomena: Proof of Concept by Jorge Pérez Mañes, Victor Hugo Sánchez Espinoza, Sergio Chiva, Robert Stieglitz

“…By applying codes like CFD (computational fluid dynamics) and SP3 (simplified transport) reactor dynamics it is possible to describe the underlying phenomena in a more accurate manner than by the nodal/coarse 1D thermal hydraulic coupled codes. …”
Get full text

A Comparative Study of Impeller Modification Techniques on the Performance of the Pump as a Turbine by Abdulbasit Nasir, Edessa Dribssa, Misrak Girma, Tamerat Demeke

“…In this paper, the performance of the PAT is analyzed using the computational fluid dynamics (CFD) software called Ansys CFX in conjunction with standard k-ε. …”
Get full text

Exhaled Jet and Viral-Laden Aerosol Transport from Nasal Sneezing by Hana Salati, David F. Fletcher, Mehrdad Khamooshi, Jingliang Dong, Kazuhide Ito, Sara Vahaji, Kiao Inthavong

“…This study used computational fluid dynamics consisting of a hybrid RANS-LES turbulence method to model the airflow and the discrete phase model to track aerosol dispersion during nasal sneezing. …”
Get full text

Multiobjective Optimization Design and Performance Prediction of Centrifugal Pump Based on Orthogonal Test by Yuqin Wang, Xinwang Huo

“…Based on the L1644 orthogonal table, 16 sets of orthogonal test schemes were made by selecting the four parameters impeller outlet width, blade inlet angle, blade outlet angle, and cape angle; the flow field numerical simulation was carried out by computational fluid dynamics technique; and the influence order of geometric parameters on optimization indexes was obtained by range analysis. …”
Get full text

Application of coupled CFD-DEM modelling in erosion study of cohesive materials: A case study of rotating finger test by Mohsen Rahimi-Larki, Burhanuddin, Sandra Vollmann, Shengli Jin, Harald Harmuth

“…This study introduces a coupled computational fluid dynamics (CFD) and discrete element method (DEM) approach to quantitatively assess the flow-induced erosion of cohesive materials. …”
Get full text

Migration Law and Influence of Proppant in Segmented Multicluster Fracturing Wellbore of Deep Shale Horizontal Well by Tingxue Jiang, Haitao Wang, Juanming Wei, Guanyu Zhong, Yucheng Zhao, Yushi Zou

“…In order to deeply analyze the influence mechanism and law of proppant flow in the wellbore on multiple fractures and propagation, Firstly, based on the theoretical knowledge of computational fluid dynamics (CFD), a numerical model of solid-liquid two-phase flow of proppant migration in horizontal wellbore is established, which is calculated and solved by using the Euler-Euler multiphase-flow mixture model, and the effects of different influencing factors on the migration and distribution of proppant in wellbore are studied. …”
Get full text

Collaborative Optimization of Aerodynamics and Wind Turbine Blades by Fushan He, Xingsheng Zheng, Weilin Luo, Jianfeng Zhong, Yunhua Huang, Aili Ye, Rongrong Qiu, Huafu Ma

“…The Wilson method is employed to obtain the aerodynamic shape of the blade. Computational fluid dynamics numerical simulation is performed to analyze the aerodynamics of the blade. …”
Get full text

A Novel Multi-Fidelity Support Vector Classification Method for Boundary Prediction in Engineering Applications by Jinliang Luo, Lingzhi Liu, Youwei He, Kuan Tan

“…To validate our method, we applied it to three distinct engineering problems: predicting the failure boundary of a zero Poisson ratio structure, analyzing surge and choke boundaries in an axial flow compressor rotor, and tackling a 31-dimensional simulation failure boundary prediction problem within the computational fluid dynamics context of the same rotor. The results demonstrate that our multi-fidelity support vector classification method not only effectively predicts boundaries in these practical scenarios but also outperforms alternative methods, showing its potential as a powerful tool for engineers.…”
Get full text

Design and Preparation of a Self-Inhaling Internal Cooling Grinding Wheel with a Leaf Order Arrangement Structure by Zixuan Wang, Zhengyu Sun, Yinhao Huang, Tianbiao Yu, Jun Zhao

“…The internal flow field and grinding zone flow field of the grinding wheel were simulated using the computational fluid dynamics method. To ensure stable grinding performance, the effects of different cooling hole positions and sizes on fluid motion were revealed, and the influence of grinding wheel rotational speed and coolant pressure on outlet velocity were analyzed. …”
Get full text

Numerical investigation of segmental baffle design in shell and tube heat exchangers with varying inclination angles and spacing by A. M. Mohammadzadeh, Bahram Jafari, Khashayar Hosseinzadeh, E. Paikar

“…This research uses a three-dimensional computational fluid dynamics (CFD) simulation to model turbulent fluid flow and evaluate the performance of different baffle angle configurations. …”
Get full text

Winglet Design for Aerodynamic and Performance Optimization of UAVs via Surrogate Modeling by Eleftherios Nikolaou, Spyridon Kilimtzidis, Vassilis Kostopoulos

“…Using surrogate-based optimization (SBO) techniques, this research developed winglet geometries with varying geometric parameters such as length, cant angle, and sweep angle with their performance being evaluated through high-fidelity Computational Fluid Dynamics (CFD) simulations. These simulations utilized Reynolds-Averaged Navier–Stokes (RANS) equations coupled with the Spalart–Allmaras turbulence model to capture the intricate flow dynamics around the UAV in different flight phases. …”
Get full text

Heat Transfer Enhancement of Laminar Nanofluids Flow in a Circular Tube Fitted with Parabolic-Cut Twisted Tape Inserts by Sami D. Salman, Abdul Amir H. Kadhum, Mohd S. Takriff, Abu Bakar Mohamad

“…Numerical investigation has been carried out on heat transfer and friction factor characteristics of copper-water nanofluid flow in a constant heat-fluxed tube with the existence of new configuration of vortex generator using Computational Fluid Dynamics (CFD) simulation. Two types of swirl flow generator: Classical twisted tape (CTT) and Parabolic-cut twisted tape (PCT) with a different twist ratio (y = 2.93, 3.91 and 4.89) and different cut depth (w = 0.5, 1.0 and 1.5 cm) with 2% and 4% volume concentration of CuO nanofluid were used for simulation. …”
Get full text

An Overview of Experiments and Numerical Simulations on Airflow and Aerosols Deposition in Human Airways and the Role of Bioaerosol Motion in COVID-19 Transmission by Justus Kavita Mutuku, Wen-Che Hou, Wei-Hsin Chen

“…Herein, in-depth information on in vitro experiments and state-of-the-art review on various computational fluid dynamics (CFD) applications and finite element methods on airflow and aerosol motion in both healthy and obstructed human airways are provided. …”
Get full text

Fluid and thermal effect on temperature-dependent power increase of electric vehicle's permanent magnet synchronous motor using compound water cooling method by Zichao Zhang, Qiang Song, Bilal Ahmed, Yuecheng Han

“…The impact of current control modes was also investigated. 3D computational fluid dynamics (CFD) conjugate heat transfer calculation combined with 3D lumped parameter thermal network (LPTN) was adopted to calculate the flow and temperature. …”
Get full text

Hydrodynamics of flow through living shoreline structure by Tanhaseng Kanyarat, Kositgittiwong Duangrudee, Ekkawatpanit Chaiwat, Kompor Wongnarin, Petpongpan Chanchai

“…The study also explored a zig-zag formation using 3D computational fluid dynamics (CFD) with the RNG k-ε turbulence model, offering detailed insights into the flow behavior around the structures. …”
Get full text