Results 71 to 80 of about 27,201 (219)

Analysis of a Cylinder Size Effect on the Fluid Flow Profile Around the Cylinder with OpenFOAM

open access: yesJurnal Fisika Flux
Planning and analysis of infrastructure involving cylindrical shapes such as bridge platform pillars and offshore sea piping systems are needed to ensure user safety.
Kania Nugraha Putri, Rida SN Mahmudah
doaj   +1 more source

Simulations of self-propelled anguilliform swimming using the immersed boundary method in OpenFOAM

open access: yesEngineering Applications of Computational Fluid Mechanics, 2019
This study extends the existing immersed boundary method (IBM) in the open source toolbox OpenFOAM for solving fluid-structure interactions involving the immersed structure with changeable shapes.
Hui Feng   +3 more
doaj   +1 more source

CALCULATION OF ROCKET NOSE FAIRING SHELLS AERODYNAMIC CHARACTERISTICS

open access: yesНаучный вестник МГТУ ГА, 2018
The aerodynamic characteristics of the detachable elements of transport systems are introduced, they allow to calculate the trajectories of these elements after their separation and determine the size of elements impact areas.
V. T. Kalugin   +2 more
doaj   +1 more source

Offshore Turbine Arrays: Numerical Modeling and Experimental Validation [PDF]

open access: yes, 2015
The interaction between wind turbines in a large wind farm needs to be better understood to reduce array losses and improve energy production. A numerical test bed for an array of offshore wind turbines was developed in the open-source computational ...
Gagnon, Ian   +2 more
core   +1 more source

Dependence of Mineral Dissolution Rates on Two‐Phase Hydrodynamics in Single Pores

open access: yesGeophysical Research Letters, Volume 53, Issue 9, 16 May 2026.
Abstract Multiphase flow and mineral reactions co‐exist in many subsurface systems, and thus elucidating and quantifying the impacts of multiphase flow on mineral reaction rates are crucial. Our study established a benchmark experiment on calcite dissolution in cylindrical pores in slug flow, and performed a series of simulations using a validated pore‐
Xin Wang, Hang Deng
wiley   +1 more source

Effect of Semi-elliptical Outer Blade-surface on the Savonius Hydrokinetic Turbine Performance: A Numerical Investigation [PDF]

open access: yesJournal of Applied Fluid Mechanics
The Savonius hydrokinetic turbine (SHT) is widely used for generating electricity from running water. However, most optimization work has been carried out on conventional blades with similar concave and convex profiles.
G. V. Babu, D. K. Patel
doaj   +1 more source

Humid‐Air Condensation Heat Transfer on Hierarchical Structured Superhydrophobic Graphite Composites

open access: yesAdvanced Materials Interfaces, Volume 13, Issue 9, 5 May 2026.
Humid‐air condensation on graphite composites shows that making a surface superhydrophobic is not sufficient to enhance heat transfer. A hierarchical CuO/lauric‐acid coating yields spherical droplets but promotes Wenzel‐type pinning and adds effective thermal resistance under operation.
Raphael Raab   +7 more
wiley   +1 more source

Rotating Flow Simulations with OpenFOAM

open access: yesInternational Journal of Aeronautical Science & Aerospace Research, 2015
Rotating flow problems have a wide range of applications in several technical fields, e.g. gas turbines, water turbines, wind turbines, aircraft engines, chemical engineering, process engineering, or medical devices. Computational fluid dynamics (CFD) has gain significant importance for the physical analysis and mechanical design of rotating flow ...
openaire   +1 more source

Polymer Stress‐Tensor Calculation for a Laminar Submerged Viscoelastic Jet Flow Using Different Constitutive Models

open access: yesInternational Journal for Numerical Methods in Fluids, Volume 98, Issue 5, Page 628-643, May 2026.
This study presents an efficient method to compute polymer stress‐tensor components in viscoelastic laminar jet flows using models such as Oldroyd‐B, Giesekus, PTT, and FENE. By assuming a stationary and parallel flow, the methodology significantly reduces computational cost.
Rafael de Lima Sterza   +3 more
wiley   +1 more source

Investigation the effective factors on the forces acting on the scoop in a gas centrifuge machine in three-dimensional conditions with the DSMC method [PDF]

open access: yesمجله علوم و فنون هسته‌ای
This article presents a simulation of a scoop inside the rotor of a gas centrifuge machine in three dimensions. The scoop inside the centrifuge machine is 3D and curved in shape. Therefore, a 3D simulation is necessary to analyze the proper flow behavior
S. Basiri   +3 more
doaj   +1 more source

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