Results 91 to 100 of about 5,659 (165)

Alpha-spektrometrische Isotopenhäufigkeitsanalyse des Urans

open access: yes, 1966
Die Kernenergietechnik verlangt häufig die genaue Kenntnis der Isotopenzusammensetzung des Urans. Da fast alle Uranisotope alpha-instabil sind, kann über die Alpha-Spektrometrie in gewissen Fällen eine Isotopenhäufigkeitsanalyse durchgeführt werden.
Merz, E., Kirchner, H.
core  

Urans Computations of a DTMB 5415 [PDF]

open access: yes, 2010
This paper presents the results of the computations performed in the Canal de Ensayos Hidrodinámicos de ETSI Navales (CEHINAV) for the US Navy Combatant DTMB 5415 [Larsson et al. 2003] at model scale with the URANS free surface commercial solver StarCCM+.
Izquierdo Yerón, Jorge   +1 more
core  

Performance of RANS, URANS and LES in the prediction of airflow and pollutant dispersion

open access: yes, 2012
The performance of 3 different CFD numerical approaches, namely RANS, URANS and LES are evaluated to determine their suitability in the prediction of airflow and pollutant dispersion in urban street canyons.
Salim Mohamed Salim   +3 more
core   +1 more source

Simulation of Particle-Gas Flow in a Cyclone Using URANS [PDF]

open access: yes, 2011
Particle-gas flow in a cyclone separator used in a circulating fluidized-bed boiler is simulated using computational fluid dynamics software Fluent 6.2.36 and an Unsteady Reynolds-Averaged Navier-Stokes (URANS) method.
Karvinen, Aku   +2 more
core   +1 more source

CFD-based design optimization of ducted hydrokinetic turbines. [PDF]

open access: yesSci Rep, 2023
Park J   +8 more
europepmc   +1 more source

Numerical Identification of Flow-Induced Oscillation Modes in Rectangular Cavities using URANS

open access: yesJournal of Applied Fluid Mechanics, 2020
The present research focuses on flow oscillations in a planar rectangular cavity. The compressible URANS equations in combination with transition SST k−ω model are utilized to include the turbulence effects.
M. Mesbah, S. Majidi
doaj  

URANS and DES simulation of flow around a rectangular cylinder

open access: yes, 2006
This paper deals with the numerical simulation of the flow around a 1:5 rectangular cylinder and a realistic bridge section. The Unsteady Reynolds-Averaged Navier-Stokes (URANS) and the Detached-Eddy Simulation (DES) techniques are employed.
Schewe, Günter   +3 more
core  

URANS simulation of injection-driven flows with an imposed-transition model

open access: yes, 2014
The influence of laminar-turbulent transition on injection-driven flows fluctuations is investigated. URANS simulations of the transitional flow are compared with a laminar simulation and a cold-flow experiment. The transition in the URANS simulations is
Casalis, G.   +2 more
core   +1 more source

A Zonal Detached Eddy Simulation of the Trailing Edge Stall Process of a LS0417 Airfoil

open access: yesAerospace
A Zonal Detached Eddy Simulation (ZDES) based on the SST turbulence model is implemented to the numerical investigation of the trailing edge stall of a LS-0417 airfoil, which includes multiple DES modes for different classifications of flow separation ...
Wenbo Shi, Heng Zhang, Yuanxiang Li
doaj   +1 more source

Validating Confined Flame Noise Simulation Using External Sensor. [PDF]

open access: yesSensors (Basel), 2022
Williamson AJ, Srivastava S, Sallam KA.
europepmc   +1 more source

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