Matalon offers new insight into flame-turbulence interactions


Prof. Moshe Matalon Dr. Advitya Patyal published their study, "Isolating effects of Darrieus-Landau instability on the morphology and propagation of turbulent premixed flames," in the Journal of Fluid Mechanics.

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In a first-of-its-kind study, MechSE Professor Moshe Matalon and alumnus Advitya Patyal presented physical insight into the mechanisms governing flame-turbulence interactions and explored the impact of the ubiquitous Darrieus–Landau instability on the propagation.

Matalon and Patyal conducted a 3D investigation of premixed flames in homogeneous isotropic turbulent flows—based on the hydrodynamic theory of premixed flames that considers the flame thickness much smaller than all other fluidynamical length scales. In their study, the flame is confined to a surface while the diffusion and reaction processes taking place inside the flame zone are accounted for by two parameters – the unburned-to-burned density ratio and the Markstein length. Their proposed model was robust and free of phenomenology and turbulence modeling assumptions that often lead to errors.

The research, “Isolating effects of Darrieus–Landau instability on the morphology and propagation of turbulent premixed flames,” was published in the Journal of Fluid Mechanics and a summary article was also featured online on Advances in Engineering.  

Patyal earned his master’s degree in mechanical engineering in 2013 and PhD in TAM in 2017 and is now an Actuator Development Lead at Actasys in New York.

Read the summary article on Advances in Engineering >>

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This story was published February 27, 2023.