Linear flow analysis inspired by mathematical methods from quantum mechanics
Since its birth in the 1920s, quantum mechanics has motivated and advanced the analysis of
linear operators. In this effort, it significantly contributed to the development of sophisticated …
linear operators. In this effort, it significantly contributed to the development of sophisticated …
Thermoacoustic Instability in Combustors
AS Morgans, D Yang - Annual Review of Fluid Mechanics, 2024 - annualreviews.org
Thermoacoustic instability is a flow instability that arises due to a two-way coupling between
acoustic waves and unsteady heat release rate. It can cause damaging, large-amplitude …
acoustic waves and unsteady heat release rate. It can cause damaging, large-amplitude …
Characterizing modal exponential growth behaviors of self-excited transverse and longitudinal thermoacoustic instabilities
D Zhao, Y Guan - Physics of Fluids, 2022 - pubs.aip.org
Self-excited thermoacoustic instabilities as frequently observed in rocket motors, gas
turbines, ramjets, and aeroengine afterburners are highly detrimental and undesirable for …
turbines, ramjets, and aeroengine afterburners are highly detrimental and undesirable for …
Modal dynamics of self-excited thermoacoustic instabilities in even and odd numbered networks of lean-premixed combustors
Can-to-can acoustic interactions in a circumferential network of lean-premixed combustors
have a prominent role in the development of complicated modal dynamics and large-scale …
have a prominent role in the development of complicated modal dynamics and large-scale …
Synchronization and chimeras in a network of four ring-coupled thermoacoustic oscillators
We take a complex systems approach to investigating experimentally the collective
dynamics of a network of four self-excited thermoacoustic oscillators coupled in a ring. Using …
dynamics of a network of four self-excited thermoacoustic oscillators coupled in a ring. Using …
Experimental investigation of lean-premixed hydrogen combustion instabilities in a can-annular combustion system
Thermoacoustic interactions in a circumferential network of lean-premixed combustors have
a substantial impact on engine-level dynamics in a can-annular gas turbine combustion …
a substantial impact on engine-level dynamics in a can-annular gas turbine combustion …
Thermoacoustic oscillations in a can-annular model combustor with asymmetries in the can-to-can coupling
Can-annular combustors are equipped with a set of nominally identical cans,
circumferentially arranged around the shaft. Adjacent cans are coupled acoustically via a …
circumferentially arranged around the shaft. Adjacent cans are coupled acoustically via a …
Effect of flame response asymmetries on the modal patterns and collective states of a can-annular lean-premixed combustion system
We experimentally study the effect of rotational asymmetries in the flame response
distribution on the thermoacoustic oscillations of four turbulent lean-premixed combustors …
distribution on the thermoacoustic oscillations of four turbulent lean-premixed combustors …
Coupling-induced instability in a ring of thermoacoustic oscillators
T Pedergnana, N Noiray - Proceedings of the Royal …, 2022 - royalsocietypublishing.org
Thermoacoustic instabilities in can-annular combus-tors of stationary gas turbines lead to
unstable Bloch modes which appear as rotating acoustic pressure waves along the turbine …
unstable Bloch modes which appear as rotating acoustic pressure waves along the turbine …
Low-order modeling of collective dynamics of four ring-coupled turbulent thermoacoustic oscillators
We investigate the low-order modeling of collective dynamics in a can-annular combustor
consisting of four ring-coupled turbulent lean-premixed combustors. Each combustor is …
consisting of four ring-coupled turbulent lean-premixed combustors. Each combustor is …