scholarly journals Advanced benchmark of the flow through a mixing vane grid – Large eddy simulation validation

2021 ◽  
Vol 381 ◽  
pp. 111335
Author(s):  
Benjamin Farges ◽  
Marie-Charlotte Gauffre ◽  
Sofiane Benhamadouche ◽  
Pierre Badel ◽  
Vincent Faucher ◽  
...  
Keyword(s):  
Large Eddy Simulation ◽  
Eddy Simulation ◽  
Simulation Validation ◽  
Large Eddy ◽  
Flow Through

Effect of Pulsation and Acceleration of Liquid Metal Turbulent Flow Through a Horizontal Channel by Large Eddy Simulation

2020 ◽  
Vol 6 (4) ◽  
Author(s):  
N. Satish ◽  
K. Venkatasubbaiah
Keyword(s):  
Heat Transfer ◽  
Liquid Metal ◽  
Large Eddy Simulation ◽  
Turbulent Flow ◽  
Horizontal Channel ◽  
Two Dimensional ◽  
Unsteady State ◽  
Eddy Simulation ◽  
Large Eddy ◽  
Flow Through

Abstract Pulsation and acceleration of liquid metal turbulent flow through a horizontal channel has been numerically studied using a large eddy simulation (LES) technique. The effect of inlet pulsation and acceleration on flow and heat transfer characteristics of low Prandtl number liquid metal flow have been investigated and reported here. Results have been presented for different Reynolds numbers, different amplitudes, and frequency with constant bottom wall thickness. The flow field is modeled as unsteady-state two-dimensional incompressible turbulent-forced convection flow. Turbulence is modeled using a LES technique. Two-dimensional unsteady-state heat conduction equation is solved to know the temperature distribution in the solid region. Finite difference method solver is developed for solving the governing equations using sixth-order accuracy of compact schemes. The average Nusselt number shows cyclic variation with respect to time in pulsation flows. The enhancement of heat transfer with pulsation at amplitude 0.4 and frequency 100 Hz is 6.51%. The rate of heat transfer increases in pulsation flow compared to quasi-steady flow. The inlet acceleration shows a significant effect on flow characteristics. The present results are compared with direct numerical simulation (DNS) results available in the literature and matching well with DNS data.

Wall-Modeled Large Eddy Simulation of the Flow Through PWR Fuel Assemblies at ReH = 66 000—Validation on CALIFS Experimental Setup

2019 ◽  
Vol 206 (2) ◽  
pp. 255-265
Author(s):  
Marie-Charlotte Gauffre ◽  
Sofiane Benhamadouche ◽  
Pierre-Bernard Badel
Keyword(s):  
Large Eddy Simulation ◽  
Experimental Setup ◽  
Eddy Simulation ◽  
Large Eddy ◽  
Fuel Assemblies ◽  
Flow Through

LARGE EDDY SIMULATION OF THE PHENOMENOLOGY OF THE FLOW THROUGH A LINEAR BLADE CASCADE – THE MEAN FIELD

2017 ◽  
Vol 20 (1) ◽  
pp. 1-20
Author(s):  
Karima Heguehoug ép. Benkara-Mostefa ◽  
Zoubir Nemouchi ◽  
Lahouari Adjlout
Keyword(s):  
Large Eddy Simulation ◽  
Mean Field ◽  
Eddy Simulation ◽  
Blade Cascade ◽  
Large Eddy ◽  
Flow Through ◽  
The Mean
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