Plasma-assisted combustion of hydrogen swirling flames: Extension of lean blowout limit and NOx emissions
A key challenge in the use of hydrogen in practical combustors is to stabilize the flame at
equivalence ratios close and even below the LBO limit. Plasma-Assisted Combustion (PAC) …
equivalence ratios close and even below the LBO limit. Plasma-Assisted Combustion (PAC) …
[HTML][HTML] Acoustic scattering of a sequential combustor controlled with non-equilibrium plasma: A numerical study
This study aims to investigate the impact of Nanosecond Repetitively Pulsed Discharges
(NRPDs) on the acoustic scattering properties of the second stage of a Constant Pressure …
(NRPDs) on the acoustic scattering properties of the second stage of a Constant Pressure …
Forced response of transverse reacting jet in vitiated crossflow to harmonic velocity disturbances
The orthogonally oriented injector configuration typically used in axial fuel staging-capable
gas turbine combustors is known to produce complicated thermoacoustic interactions …
gas turbine combustors is known to produce complicated thermoacoustic interactions …
[HTML][HTML] Tunable passive control of thermoacoustic instabilities based on a variable geometry combustor outlet nozzle
This paper presents a tunable combustor outlet geometry, which enables control of
thermoacoustic instabilities. It is based on a water-cooled conical piston inserted in the outlet …
thermoacoustic instabilities. It is based on a water-cooled conical piston inserted in the outlet …
Synchronous suppression of combustion instabilities and NOx emissions with O2/N2/CO2 ternary gases jetting into the unsteady lean-premixed flame
C Tao, Y Wang, H Zhou - Fuel, 2025 - Elsevier
This study experimentally explored the suppression effects of O 2/N 2/CO 2 ternary micro-
jets on combustion instabilities and NO x emissions in a lean-premixed model gas turbine …
jets on combustion instabilities and NO x emissions in a lean-premixed model gas turbine …
[HTML][HTML] Mitigating thermoacoustic instabilities in premixed hydrogen flames using axial staging
In this paper we demonstrate how axial staging can be utilised to mitigate thermoacoustic
instabilities in a combustion system by flame redistribution. This is achieved by moving flow …
instabilities in a combustion system by flame redistribution. This is achieved by moving flow …
[HTML][HTML] Stabilization of a thermoacoustically unstable sequential combustor using non-equilibrium plasma: Large eddy simulation and experiments
Q Malé, S Shcherbanev, M Impagnatiello… - Proceedings of the …, 2024 - Elsevier
Plasma-assisted combustion using Nanosecond Repetitively Pulsed Discharges (NRPDs) is
an emerging technology that enhances the reactivity of fuel–air mixtures, offering significant …
an emerging technology that enhances the reactivity of fuel–air mixtures, offering significant …
[HTML][HTML] Plasma assisted thermoacoustic stabilization of a transiently operated sequential combustor at high pressure
This study demonstrates the stabilization of a thermoacoustic instability in a sequential
combustor at elevated pressure conditions using Nanosecond Repetitively Pulsed …
combustor at elevated pressure conditions using Nanosecond Repetitively Pulsed …
[HTML][HTML] BOATS: Bayesian optimization for active control of thermoacoustics
B Dharmaputra, P Reckinger, B Schuermans… - Journal of Sound and …, 2024 - Elsevier
This investigation presents novel adaptive control algorithms specifically designed to
address and mitigate thermoacoustic instabilities. Gas turbines are limited in their …
address and mitigate thermoacoustic instabilities. Gas turbines are limited in their …
Dynamic response of nanosecond repetitively pulsed discharges to combustion dynamics: regime transitions driven by flame oscillations
CA Pavan, SJ Shanbhogue, DE Weibel… - Plasma Sources …, 2024 - iopscience.iop.org
When using nanosecond repetitively pulsed discharges to actuate on dynamic combustion
instabilities, the environment the discharge is created in is unsteady and changing on the …
instabilities, the environment the discharge is created in is unsteady and changing on the …