Results 81 to 90 of about 6,939 (199)

Summary of the Tandem Cylinder Solutions from the Benchmark Problems for Airframe Noise Computations-I Workshop [PDF]

open access: yes, 2011
Fifteen submissions in the tandem cylinders category of the First Workshop on Benchmark problems for Airframe Noise Computations are summarized. Although the geometry is relatively simple, the problem involves complex physics.
Lockard, David P.
core   +1 more source

Application of Lattice Boltzmann and Navier-Stokes Methods to NASA's Wall Mounted Hump [PDF]

open access: yes
Lattice Boltzmann (LB) based Large Eddy Simulation (LES), Reynolds-averaged Navier-Stokes (RANS) as well as hybrid RANS/LES methods within the Launch Ascent and Vehicle Aerodynamics (LAVA) solver framework are applied to NASA's wall-mounted hump ...
Barad, Michael F.   +4 more
core   +1 more source

Turbulent Hydrofoil Cavitation Simulations: Applications of RANS with Eddy Viscosity and Interfacial Turbulence Damping and LES

open access: yesJournal of Marine Science and Engineering
The performance of various turbulence modelling methods for simulating cavitating flow over a hydrofoil was investigated. VOF mixture modelling was applied for the multiphase flow, along with a standard two-equation turbulence model, a hybrid RANS-LES ...
Ville Viitanen   +4 more
doaj   +1 more source

Application of FUN3D Solver for Aeroacoustics Simulation of a Nose Landing Gear Configuration [PDF]

open access: yes, 2011
Numerical simulations have been performed for a nose landing gear configuration corresponding to the experimental tests conducted in the Basic Aerodynamic Research Tunnel at NASA Langley Research Center.
Khorrami, Mehdi R.   +2 more
core   +1 more source

Hybrid turbulence modelling of aerodynamics and wake structures in vehicle platoons at close spacing

open access: yesJournal of Engineering and Applied Science
The aerodynamics of vehicles travelling in close proximity are strongly influenced by complex wake interactions, making accurate turbulence modelling essential for reliable predictions.
Aan Yudianto
doaj   +1 more source

Computational Study of NASA's Quadrotor Urban Air Taxi Concept [PDF]

open access: yes
High-fidelity computational fluid dynamics simulations have been carried out in order to analyze NASA's quadrotor urban air taxi concept for urban air mobility, also know as on-demand mobility applications. High-order accurate schemes, dual-time stepping,
Ventura Diaz, Patricia, Yoon, Seokkwan
core   +1 more source

Detached-Eddy Simulation Based on the v2-f Model [PDF]

open access: yes, 2012
Detached eddy simulation (DES) based on the v2-f RANS model is proposed. This RANS model incorporates the anisotropy of near-wall turbulence which is absent in other RANS models commonly used in the DES community.
Jee, Sol Keun, Shariff, Karim
core   +2 more sources

A neural network approach to improve Reynolds-averaged Navier–Stokes modeling of bluff body wakes

open access: yesAIP Advances
This study explores a machine learning based correction method of Reynolds Averaged Navier–Stokes (RANS) k–ω Shear Stress Transport (SST) turbulence model in simulating flow around wall-mounted finite rectangular prisms at a Reynolds number of 2.5 × 103.
S. Amir Shojaee   +3 more
doaj   +1 more source

Computational Analysis of Mixing and Transport of Air and Fuel in Co-Fired Combustor [PDF]

open access: yesMehran University Research Journal of Engineering and Technology, 2015
Computational analysis for air fuel mixing and transport in a combustor used for co fired burner has been done by RANS (Reynolds-Averaged Navier?Stokes) model comparing with 3D (Three Dimensional) LES (Large Eddy Simulation).
Javaid Iqbal
doaj  

Home - About - Disclaimer - Privacy