Results 21 to 30 of about 116,766 (290)

RANS Study on the Impact of Equivalence Ratio on Natural Gas/Diesel-Fueled Combustion in RCCI Engine [PDF]

open access: yesJournal of Applied and Computational Mechanics
The primary reason in favor of Reactivity Controlled Compression Ignition (RCCI) is that combustion occurs at low temperature, leading to low thermal NOx. Using the RCCI approach is highly demanded due to stringent emission laws.
Fathi Hamdi   +2 more
doaj   +1 more source

EXPERIMENTAL AND NUMERICAL INVESTIGATION ON MANEUVERING PERFORMANCE OF SMALL WATERPLANE AREA TWIN HULL

open access: yesBrodogradnja, 2021
Free running model tests and a system-based method are employed to evaluate maneuvering performance for a Small Waterplane Area Twin Hull (SWATH) ship in this paper.
Kun Dai, Yunbo Li
doaj   +1 more source

Modelling the Wake Flow Behind a Model of Horizontal Axis Wind Turbine using RANS Approach: A Comparative Study [PDF]

open access: yesJournal of Engineering Research - Egypt, 2020
Steady CFD simulations, which is based on Reynolds Average Navier-Stokes (RANS) approach, were conducted for a model of Horizontal Axis Wind Turbine (HAWT) and compared with experimental data in order to assess the accuracy of these models in simulating ...
Abd Elnaby Kabeel   +3 more
doaj   +1 more source

Comparative evaluation of RANS eddy-viscosity turbulence models for calculating the silicon melt convection in crystal growth systems

open access: yesSt. Petersburg Polytechnical University Journal: Physics and Mathematics, 2022
In the paper, the results of RANS calculations of turbulent convection in silicon melt, obtained using several eddy-viscosity turbulence models, have been compared with previously published ILES eddy-resolving calculation data for similar conditions.
Borisov Dmitry, Kalaev Vladimir
doaj   +1 more source

Dynamic Radio Cooperation for Downlink Cloud-RANs with Computing Resource Sharing [PDF]

open access: yes, 2015
A novel dynamic radio-cooperation strategy is proposed for Cloud Radio Access Networks (C-RANs) consisting of multiple Remote Radio Heads (RRHs) connected to a central Virtual Base Station (VBS) pool.
Pompili, Dario, Tran, Tuyen X.
core   +1 more source

Three-dimensional numerical analysis of a dam-break using OpenFOAM

open access: yesТруды Института системного программирования РАН, 2018
This paper presents a 3D numerical analysis of flow field patterns in a dam break laboratory scale by applying the numerical code based on Finite Volume Method (FVM), OpenFOAM.
E. Sánchez-Cordero   +2 more
doaj   +1 more source

Revisiting the Reynolds-averaged Navier–Stokes equations

open access: yesOpen Physics, 2022
This study revisits the Reynolds-averaged Navier–Stokes (RANS) equations and finds that the existing literature is erroneous regarding the primary unknowns and the number of independent unknowns in the RANS. The literature claims that the Reynolds stress
Sun Bohua
doaj   +1 more source

Transitional Flow Modeling and Application to High-Lift Multi-Element Airfoil Configurations [PDF]

open access: yes, 2003
To enhance its capabilities to handle flows with transition, a Reynolds averaged Navier-Stokes solver has been extended with regard to the modeling of transitional flow regions based on transition length models and the intermittency function. Because the
Krumbein, A.
core   +1 more source

Physical and numerical modeling for the investigation of downstream scour caused by sudden blockage in circular and box culvert inlets [PDF]

open access: yesJournal of Applied Research in Water and Wastewater
This paper presents a comprehensive experimental and numerical study using non-cohesive uniform sand (d50 = 2 mm). The study investigates the impact of local scour downstream of four model culverts with different barrel shapes and inlet blockage sizes ...
Saeed Gohari, Somayeh Karimpour
doaj   +1 more source

Análisis numérico 3D de las características del flujo en un canal curvo

open access: yesIngeniería del Agua, 2020
El presente trabajo muestra un análisis numérico 3D del comportamiento del flujo de agua en un canal curvo influenciado por la presencia de un vertedero y una compuerta.
E. Sánchez-Cordero   +2 more
doaj   +1 more source

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