Dynamic mode decomposition of syngas (H2/CO) flame during transition to high-frequency instability in turbulent combustor
NA Baraiya, V Ramanan, B Nagarajan, CS Vegad… - Energy, 2023 - Elsevier
The present experimental study investigates the transition in syngas combustion dynamics
from low-to high-frequency thermo-acoustic instability obtained by continuously varying the …
from low-to high-frequency thermo-acoustic instability obtained by continuously varying the …
Experimental study of transition in dynamical states of thermo-acoustic oscillations in a turbulent bluff body combustor
S Jatoliya, P Singh, NA Baraiya, S Karthikeyanathan… - Nonlinear …, 2024 - Springer
This study investigates the shift in dynamical states of the thermo-acoustic oscillations for the
turbulent syngas combustor having a bluff body for the flame anchoring. In this paper, an …
turbulent syngas combustor having a bluff body for the flame anchoring. In this paper, an …
Experimental analysis of transition to higher acoustic mode in syngas combustion dynamics
NA Baraiya, V Ramanan, B Nagarajan… - Journal of Propulsion …, 2022 - arc.aiaa.org
A turbulent syngas combustor is experimentally characterized for its transitionary stability
characteristics by continuously varying Reynolds number (Re). The combustor transits from …
characteristics by continuously varying Reynolds number (Re). The combustor transits from …
Role of pumping and wrinkle propagation mechanisms in exciting different acoustic-modes in turbulent syngas combustion
NA Baraiya, V Ramanan… - International Journal of …, 2021 - Elsevier
The stability map of a non-premixed syngas turbulent combustor is obtained by varying its
Reynolds number (Re). The map shifts from very high-amplitude, low-frequency instability at …
Reynolds number (Re). The map shifts from very high-amplitude, low-frequency instability at …
Investigation of oscillatory states involving acoustic mode shifts in a turbulent syngas combustion using non-stationary time-series analysis
NA Baraiya, V Ramanan… - Flow, Turbulence and …, 2021 - Springer
The transition of thermo-acoustic oscillations in a turbulent bluff-body syngas combustor is
analyzed experimentally in the present work. The analysis was carried out for three syngas …
analyzed experimentally in the present work. The analysis was carried out for three syngas …
Syngas combustion dynamics in a bluff-body turbulent combustor
NA Baraiya, SR Chakravarthy - Dynamics and Control of Energy Systems, 2020 - Springer
Future energy needs that are supplemented by combustion require alternate fuel sources
derived from both fossil and non-fossil sources. In this regard, syngas provides a relatively …
derived from both fossil and non-fossil sources. In this regard, syngas provides a relatively …