-
201
Verification and Validation of CFD analysis for 1/7th scale model of APR1400 for CVAP
Published 2025-02-01“…This paper presents a methodology for analyzing the internal flow of the APR1400 Reactor Vessel Internals (RVI) using Computational Fluid Dynamics (CFD). The Comprehensive Vibration Assessment Program (CVAP) is performed to verify the structural integrity of reactor internals for flow-induced vibrations prior to the commercial operation of nuclear power plants. …”
Get full text
Article -
202
Study on Hydraulic Connection and Seepage Law of Goaf Groups in Coal Mine Underground Reservoir
Published 2022-01-01“…On this basis, the computational fluid dynamics (CFD) numerical calculation of seepage properties of the coal/rock pillars was conducted. …”
Get full text
Article -
203
Comparative analysis and manufacturing of airfoil structures suitable for use at low speeds
Published 2022-12-01“…With the selected wing profile, the geometry is shaped in two dimensions and designed in three dimensions. Computational fluid dynamics (CFD) was adopted as the method for studying wing profiles. …”
Get full text
Article -
204
Numerical Simulation of Impingement Heat Transfer for a Laminar Premixed Bunsen Flame
Published 2025-01-01“…The laminar premixed Bunsen flame, impinging on a flat cold surface, represents a basic model for the validation of computational fluid dynamics (CFD) codes, used for the simulation of industrial processes. …”
Get full text
Article -
205
The Reduced-Order Model for Droplet Drift of Aerial Spraying under Random Lateral Wind
Published 2022-01-01“…In this study, the high-fidelity computational fluid dynamics (CFD) technique is employed to simulate the two-phase flow of droplets in the rotor flow field, and the influence of main operation parameters on spraying effect is investigated numerically. …”
Get full text
Article -
206
Overview and Discussion of the OECD/NRC Benchmark Based on NUPEC PWR Subchannel and Bundle Tests
Published 2013-01-01“…The OECD/NRC PSBT benchmark was organized to provide a test bed for assessing the capabilities of various thermal-hydraulic subchannel, system, and computational fluid dynamics (CFDs) codes. The benchmark was designed to systematically assess and compare the participants’ numerical models for prediction of detailed subchannel void distribution and department from nucleate boiling (DNB), under steady-state and transient conditions, to full-scale experimental data. …”
Get full text
Article -
207
CFD Turbulence Study of PWR Spacer-Grids in a Rod Bundle
Published 2014-01-01“…This work presents the analysis of the turbulence effects of a split-type and swirl-type spacer-grid geometries on single phase in a PWR (pressurized water reactor) rod bundle. Various computational fluid dynamics (CFD) calculations have been performed and the results validated with the experiments of the OECD/NEA-KAERI rod bundle CFD blind benchmark exercise on turbulent mixing in a rod bundle with spacers at the MATiS-H facility. …”
Get full text
Article -
208
Gel flow generated by air current in vicinity of porous surfaces
Published 2025-01-01“…The hypothesis predicate that the emulsion will increase airflow resistance under mechanical ventilation, mimicking the obstructive effects of mucus in patients. A computational fluid dynamics (CFD) analysis was employed to evaluate the airflow characteristics within the tube, focusing on velocity profiles and pressure drop. …”
Get full text
Article -
209
Study on Airborne Radionuclide Dispersion in Floating Nuclear Power Plant under the Loss-of-Coolant Accident
Published 2021-01-01“…In order to study the factors influencing airborne radionuclide dispersion induced by the loss-of-coolant accident in floating nuclear power plant, the floating nuclear power plant platform was taken as the research object, and the dispersion of airborne radionuclide under combined conditions of platform positions, wind directions, and break directions (north, south, west, and east) was simulated by the CFD (computational fluid dynamics) method. The results show that northern and southern breaks have less dangerous island area than western and eastern ones but have more platform dangerous area than the western and eastern ones. …”
Get full text
Article -
210
A Review of Modeling, Simulation, and Process Qualification of Additively Manufactured Metal Components via the Laser Powder Bed Fusion Method
Published 2025-01-01“…The purpose of this work is to provide a review of the physics of metal AM at the melt pool and part scales, thermomechanical simulation methods, as well as the available commercial software used for finite element analysis and computational fluid dynamics modeling. In addition, metal AM process qualification frameworks are briefly discussed in the context of the computational basis established in this work.…”
Get full text
Article -
211
Numerical Simulations for a Typical Train Fire in China
Published 2011-01-01“…Numerical simulations with Computational Fluid Dynamics on identified fire scenarios with typical train compartments in China will be reported in this paper. …”
Get full text
Article -
212
CFD Analysis for Aerodynamic Performance Optimization of a Vertical Axis Helical Wind Turbine Using Rigid PVC
Published 2025-01-01“…The number of wind turbines being installed around the world is growing rapidly, and research into the aerodynamics of wind turbines has become highly specialised. Computational fluid dynamics (CFD) is used to analyse the effect of loads on the aerodynamic performance of wind turbines. …”
Get full text
Article -
213
Numerical Optimization of the Hydraulic and Hemolytic Performance of a Centrifugal Ventricular Assist Device Based on Impeller Flow Passage and Outlet Geometry
Published 2025-01-01“…This pump has been simulated using computational fluid dynamics used the Ansys CFX 17. Finally, the appropriate pump has been selected for low hemolysis index (HI). …”
Get full text
Article -
214
Simulation Study on Dynamics of Hydraulic Turbines Used in Drilling Engineering
Published 2020-01-01“…Using the CFD (computational fluid dynamics) method, based on the realizable k-ɛ turbulence model and Euler multiphase flow model, the effects of different external loads, blade numbers, blade installation angles, and flow rates on the force condition of turbine and the influence of different solid contents, particle sizes, and densities on turbine performance were studied. …”
Get full text
Article -
215
Investigating the effect of cold fluid flow direction used in the outer tube on heat transfer and hot fluid pressure drop in the inner tube by numerical method
Published 2025-04-01“…This paper employs computational fluid dynamics to analyze how nanohybrid fluid influences heat transmission numerically. …”
Get full text
Article -
216
Multiobjective Optimization Design and Experimental Investigation on the Axial Flow Pump with Orthogonal Test Approach
Published 2019-01-01“…A multiobjective optimization technique based on the computational fluid dynamics (CFD) simulations and the orthogonal test is proposed to reduce the pressure pulsation in this paper. …”
Get full text
Article -
217
Pedestrian Exposure to Air Pollution in Cities: Modeling the Effect of Roadside Trees
Published 2013-01-01“…Spatial distribution of CO concentration is simulated with a computational fluid dynamics (CFD) model. An exposure model is developed that associates the georeferenced location of the student with the computed air quality levels (at an average breathing height) for that specific grid cell. …”
Get full text
Article -
218
Design of Negative Pressure Spiral Feeding Device for Tangential and Longitudinal Axial Intersection of Combine Harvester
Published 2019-01-01“…The primary objective of this paper was to design a negative pressure spiral feeding device by CFD (computational fluid dynamics). The negative pressure spiral feeding combined structure of the tangential threshing cylinder and longitudinal axial threshing cylinder was established by Pro/E software. …”
Get full text
Article -
219
Three-Dimensional Modeling of Hydrodynamics and Biokinetics in EGSB Reactor
Published 2015-01-01“…A three-dimensional model integrating computational fluid dynamics (CFD) and biokinetics was established to model an expanded granular sludge bed (EGSB) reactor in this study. …”
Get full text
Article -
220
Analysis of Effective Operation Performance of Wireless Control Downhole Choke
Published 2020-01-01“…The throttle’s production regulation capability and the noise immunity of the signal receiver are the key factors affecting the reliability of the throttle operation. Based on computational fluid dynamics (CFD) theory, the flow field of downhole throttle is simulated numerically to study the flow resistance characteristics of wireless control downhole throttle and the stability of flow field at signal receiver. …”
Get full text
Article