Investigation of the Gas-Jet Wiping Process − Two-Phase Large Eddy Simulations Elucidate Impingement Dynamics and Wave Formation on Zinc Coatings

2017 ◽  
Vol 88 (9) ◽  
pp. 1600507 ◽  
Author(s):  
Claudia Pfeiler ◽  
Werner Eßl ◽  
Georg Reiss ◽  
Christian K. Riener ◽  
Gerhard Angeli ◽  
...  
Keyword(s):  
Large Eddy Simulations ◽  
Wave Formation ◽  
Gas Jet ◽  
Two Phase ◽  
Large Eddy ◽  
Zinc Coatings

Two-Phase Flow Large Eddy Simulations of a Staged Multipoint Swirling Burner: Comparison Between Euler-Euler and Euler-Lagrange Descriptions

2017 ◽  
Author(s):  
Léo Cunha Caldeira Mesquita ◽  
Aymeric Vié ◽  
Sébastien Ducruix
Keyword(s):  
Liquid Phase ◽  
Boundary Conditions ◽  
Flame Structure ◽  
Large Eddy Simulations ◽  
Spray Angle ◽  
Pilot Injection ◽  
Two Phase ◽  
Large Eddy ◽  
Tulip Flame ◽  
The Impact

A two-staged swirling burner is numerically simulated through large eddy simulations. The impact of the liquid phase modeling approach is evaluated comparing the Eulerian and Lagrangian frameworks for two different operation points, full pilot injection and full multipoint injection. For the full multipoint injection, since the operation point is closer to a Lean Premixed Prevaporized (LPP) regime, both liquid phase models present similar flame structure (an M flame). For the full pilot injection, Eulerian and Lagrangian approaches result in different flames for equivalent boundary conditions: the Eulerian simulation produces a ‘tulip’ flame, while the Lagrangian spray forms a lifted flame. To assess the model sensitivity to boundary conditions parameters, complementary Lagrangian simulations are made varying injected droplets’ diameter and spray angle, this time resulting in a ‘tulip’ flame very similar to the Eulerian one. Finally, a last Eulerian simulation is made, where the injected droplets’ diameter is increased, still leading to a ‘tulip’ flame, showing that the strong interaction between liquid phase and flame highly impact the results.

scholarly journals Eulerian and Lagrangian Large-Eddy Simulations of an evaporating two-phase flow

2009 ◽  
Vol 337 (6-7) ◽  
pp. 458-468 ◽  
Author(s):  
J.M. Senoner ◽  
M. Sanjosé ◽  
T. Lederlin ◽  
F. Jaegle ◽  
M. García ◽  
...  
Keyword(s):  
Two Phase Flow ◽  
Large Eddy Simulations ◽  
Phase Flow ◽  
Two Phase ◽  
Large Eddy

Large Eddy Simulations of a Bubbly Mixing Layer

2002 ◽  
Author(s):  
A. Smirnov ◽  
I. Celik ◽  
S. Shi
Keyword(s):  
Mixing Layer ◽  
Particle Dynamics ◽  
Large Eddy Simulations ◽  
Lagrangian Particle ◽  
Two Phase ◽  
Generation Technique ◽  
Flow Generation ◽  
Large Eddy ◽  
Random Flow ◽  
Good Agreement

In this paper we present the results of the application of a Lagrangian particle dynamics (LPD) method and a random flow generation technique (RFG) developed by the authors used in conjunction with large eddy simulations (LES) applied to the case of a two-phase bubbly mixing layer. The objective is to validate the present hybrid Lagrangian-Eulerian approach within the context of LES. The dynamics of the vortices and bubble concentrations reproduced in simulations are in a good agreement with experimental data.

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