Detection and analysis of combustion instability from hi-speed flame images using dynamic mode decomposition

S Ghosal, V Ramanan, S Sarkar… - Dynamic …, 2016 - asmedigitalcollection.asme.org
Flame dynamics and combustion instability is a complex problem involving different non-
linearities. Combustion instability has several detrimental effects on flight-propulsion
dynamics and structural integrity of gas turbines and any such spaces where combustion
takes places internally, primarily in internal combustion engines. The description of coherent
features of fluid flow in such cases is essential to our understanding of the flame dynamics
and propagation processes. A method that is able to extract dynamic information from flow …

[PDF][PDF] DRAFT: DETECTION AND ANALYSIS OF COMBUSTION INSTABILITY FROM HI-SPEED FLAME IMAGES USING DYNAMIC MODE DECOMPOSITION

S Ghosal - me.iastate.edu
Flame dynamics and combustion instability is a complex problem involving different non-
linearities. Combustion instability has several detrimental effects on flight-propulsion
dynamics and structural integrity of gas turbines and any such spaces where combustion
takes places internally, primarily in internal combustion engines. The description of coherent
features of fluid flow in such cases is essential to our understanding of the flame dynamics
and propagation processes. A method that is able to extract dynamic information from flow …
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