[HTML][HTML] Vortex breakdown of the swirling flow in a lean direct injection burner

Y Shen, M Ghulam, K Zhang, E Gutmark, C Duwig - Physics of Fluids, 2020 - pubs.aip.org
This paper presents a comprehensive study of the unsteady flow field in a new concept lean
direct injection gas turbine burner, which aims at a clean and efficient combustion with …

Evolution characteristics of 3D vortex structures in stratified swirling flames studied by dual-plane stereoscopic PIV

S Wang, J Zheng, L Li, Z Yang, X Xia, C Fu, Y Gao… - Combustion and …, 2022 - Elsevier
Stratified swirling flames are typically formed in centrally-staged combustors of modern aero
engines. The pilot flame plays an indispensable role in stabilizing the stratified swirling …

Swirl number and nozzle confinement effects in a flat-vane axial swirler

IV Litvinov, DA Suslov, EU Gorelikov… - International Journal of …, 2021 - Elsevier
This paper presents the results of a parametric experimental study of free swirling flow at the
exit of a flat-vane axial swirler. A total of 16 data sets were acquired by combining four …

Review of confined swirling flows and bluff body impacts on flow and heat transfer characteristics

I Adeyemi, N Kharoua, L Khezzar, M Meribout… - … Research and Design, 2022 - Elsevier
Confined swirling flows are central to different industrial processes such as phase
separation, heat exchange and flow stabilization. Hence, there have been numerous studies …

Effect of the conical diffuser angle on the confined swirling flow induced Precessing Vortex Core

Z Liu, A Favrel, K Miyagawa - International Journal of Heat and Fluid Flow, 2022 - Elsevier
This paper presents the effect of the conical diffuser angle (θ= 0°, 2°, 4°) on the Precessing
Vortex Core (PVC) induced in confined swirling airflows generated by axial swirlers with two …

Design of experiments applied to francis turbine draft tube to minimize pressure pulsations and energy losses in off-design conditions

A Favrel, N Lee, T Irie, K Miyagawa - Energies, 2021 - mdpi.com
This paper proposes an original approach to investigate the influence of the geometry of
Francis turbines draft tube on pressure fluctuations and energy losses in off-design …

Experimental investigation on the effects of swirl in the initial region of isothermal free swirling jets by stereoscopic PIV

R Sharma, F Cozzi - Meccanica, 2023 - Springer
Swirling jets are characterized by having a velocity component in the azimuthal direction
and used in many technical applications eg gas turbines, vortex burners, furnaces, and jet …

Resonator-like behavior of a wall-bounded precessing vortex core in a diffuser with wall asymmetries

A Favrel, Z Liu, K Miyagawa - Physics of Fluids, 2023 - pubs.aip.org
This paper reports a detailed investigation of the interaction between a wall-bounded
precessing vortex core (PVC) occurring in swirling flows after vortex breakdown and a wall …

Breakup of a laminar liquid jet by coaxial non-swirling and swirling air streams

Y Liang, LC Johansen, M Linne - Physics of Fluids, 2022 - pubs.aip.org
This paper describes an experimental study on shear-based spray formation. A laminar
liquid jet was ejected inside co-annular non-swirling and swirling air streams. The …

Data-driven prediction of unsteady vortex phenomena in a conical diffuser

S Skripkin, D Suslov, I Plokhikh, M Tsoy, E Gorelikov… - Energies, 2023 - mdpi.com
The application of machine learning to solve engineering problems is in extremely high
demand. This article proposes a tool that employs machine learning algorithms for …