A novel compressible enstrophy transport equation-based analysis of instability during Magnus–Robins effects for high rotation rates

VK Suman, P Sundaram, JK Puttam, A Sengupta… - Physics of …, 2022 - pubs.aip.org
The effects of compressibility on the instability of a two-dimensional flow past a rotating
cylinder executing high rotation rates are investigated, in detail, using a novel analysis …

[HTML][HTML] Enstrophy evolution during head-on wall interaction of premixed flames within turbulent boundary layers

SK Ghai, N Chakraborty, U Ahmed, M Klein - Physics of Fluids, 2022 - pubs.aip.org
The statistical behaviors of mean enstrophy and its evolution during head-on interaction of
premixed flames propagating toward a chemically inert flat wall across the turbulent …

The Lyman–Huggins interpretation of enstrophy transport

SJ Terrington, K Hourigan… - Journal of Fluid …, 2023 - cambridge.org
The Lighthill–Panton and Lyman–Huggins interpretations of vorticity dynamics are extended
to the dynamics of enstrophy. There exist two competing definitions of the vorticity current …

Pressure gradient tailoring effects on vorticity dynamics in the near-wake of bluff-body premixed flames

SHR Whitman, TJ Souders, MA Meehan… - Proceedings of the …, 2023 - Elsevier
We investigate the role of mean streamwise pressure gradients in the development of a bluff-
body-stabilized premixed flame in the near-wake of the bluff body. To this end, a triangular …

Experimental assessment of kinetic energy backscatter in turbulent premixed swirl flames across swirl, scale, and conditions

A Kazbekov, A Bhagat, AM Steinberg - Combustion and Flame, 2024 - Elsevier
The inter-scale transfer of kinetic energy is analyzed in fuel-lean turbulent premixed swirl
flames with varying equivalence ratio, velocity, and swirl number. Measurements are made …

The role of flow confinement on turbulent kinetic energy transfer across premixed flames

AJ Morales, M Thornton, TGM Tonarely Jr… - Combustion and …, 2022 - Elsevier
The interaction between turbulent flows and premixed flames remains a significant topic of
interest for improved modeling efforts and the advancement of clean and efficient …

Production and transport of turbulent kinetic energy from premixed flames subjected to mean pressure gradients

AJ Morales, MK Geikie, KA Ahmed - Experimental Thermal and Fluid …, 2023 - Elsevier
The influence of mean favorable pressure gradients on the production and transport of
turbulent kinetic energy is experimentally investigated in a premixed bluff-body combustor …

The effect of one-sided confinement on nappe oscillations in free falling liquid sheet

H Bodhanwalla, C Anghan, J Banerjee - Physics of Fluids, 2022 - pubs.aip.org
A thin liquid sheet flowing under the effect of gravity, subjected to one-sided confinement,
generates considerable oscillations. These oscillations (called nappe oscillations) are …

Shear-layer dynamics at the interface of parallel Couette flows

MT Kalluri, VD Narasimhamurthy - Physics of Fluids, 2022 - pubs.aip.org
This article aims to make a detailed analysis of co-flowing plane Couette flows. Particularly,
the variation of flow quantities from the turbulent to non-turbulent region is studied. While the …

Coupling of detonation structure and upstream inhomogeneities in a rotating detonation engine

M Bonanni, D Brouzet, G Vignat, M Ihme - Proceedings of the Combustion …, 2024 - Elsevier
Rotating detonation rocket engines (RDREs) exhibit significant inhomogeneities in reactant
composition upstream of their azimuthally-propagating detonation waves. These …