8 citations · 11 across the 5 of their papers we have counts for
5 papers
Symmetry-Constrained Exact Coherent Structures in Plane Poiseuille Flow
Akshit Nanda, Ritabrata Thakur
Turbulence in wall-bounded shear flows is increasingly understood through exact coherent structures (ECS) -- invariant solutions of the Navier-Stokes equations that act as organisi…
Viscosity variation in fluid flows across scale
Arjun Sharma, Ritabrata Thakur, Sharath Jose +1
A wide range of natural and engineered fluid flows exhibit spatial or temporal viscosity variations, spanning scales from microbial locomotion to planetary mantle convection. These…
Probing the Nonlinear Interactions of Supertidal Internal Waves using a High-Resolution Regional Ocean Model
Joseph Skitka, Brian K. Arbic, Ritabrata Thakur +5
The internal-wave (IW) continuum of a regional ocean model is studied in terms of the vertical spectral kinetic-energy (KE) fluxes and transfers at high vertical wavenumbers. Previ…
Early evolution of optimal perturbations in a viscosity-stratified channel
Ritabrata Thakur, Arjun Sharma, Rama Govindarajan
This work shows how the early stages of perturbation growth in a viscosity-stratified flow are different from those in a constant-viscosity flow, and how nonlinearity is a crucial…
Generation of parasitic axial flow by drift wave turbulence with broken symmetry: Theory and experiment
R. Hong, J. C. Li, R. Hajjar. Chakraborty Thakur +2
Detailed measurements of intrinsic axial flow generation parallel to the magnetic field in the controlled shear decorrelation experiment linear plasma device with no axial momentum…