Precessing Vortex Core Suppression in a Swirl Stabilized Combustor With Hydrogen Addition

S Gupta, A Datta… - … Expo: Power for …, 2023 - asmedigitalcollection.asme.org
Self-excited flow oscillations such as the precessing vortex core (PVC) in swirl nozzle
combustion systems can significantly impact combustor operation by impacting unsteady …

Identification of wavemaker region in swirling flows using complex network analysis

V Thazhathattil, S Gupta, S Hemchandra - AIAA SCITECH 2024 Forum, 2024 - arc.aiaa.org
Precessing vortex core oscillation (PVC) is a self-excited flow oscillation observed in
strongly swirled flows that show vortex breakdown. When these oscillations occur in …