Search Results - "Sreenivasan, Katepalli R"

Turbulent mixing: A perspective by Sreenivasan, Katepalli R.

“…Mixing of initially distinct substances plays an important role in our daily lives as well as in ecological and technological worlds. From the continuum point…”
Get full text

Introduction to quantum turbulence by Barenghi, Carlo F., Skrbek, Ladislav, Sreenivasan, Katepalli R.

“…The term quantum turbulence denotes the turbulent motion of quantum fluids, systems such as superfluid helium and atomic Bose—Einstein condensates, which are…”
Get full text

Seismic Sounding of Convection in the Sun by Hanasoge, Shravan, Gizon, Laurent, Sreenivasan, Katepalli R

“…Thermal convection is the dominant mechanism of energy transport in the outer envelope of the Sun (one-third by radius). It drives global fluid circulations…”
Get full text

Extreme events in computational turbulence by Yeung, P. K., Zhai, X. M., Sreenivasan, Katepalli R.

“…We have performed direct numerical simulations of homogeneous and isotropic turbulence in a periodic box with 8,192³ grid points. These are the largest…”
Get full text

Reconnection scaling in quantum fluids by Fonda, Enrico, Sreenivasan, Katepalli R., Lathrop, Daniel P.

“…Fundamental to classical and quantum vortices, superconductors, magnetic flux tubes, liquid crystals, cosmic strings, and DNA is the phenomenon of reconnection…”
Get full text

Anomalously weak solar convection by Hanasoge, Shravan M, Duvall, Thomas L, Sreenivasan, Katepalli R

“…Convection in the solar interior is thought to comprise structures on a spectrum of scales. This conclusion emerges from phenomenological studies and numerical…”
Get full text

Small-scale universality in fluid turbulence by Schumacher, Jörg, Scheel, Janet D., Krasnov, Dmitry, Donzis, Diego A., Yakhot, Victor, Sreenivasan, Katepalli R.

“…Turbulent flows in nature and technology possess a range of scales. The largest scales carry the memory of the physical system in which a flow is embedded. One…”
Get full text

Circulation in High Reynolds Number Isotropic Turbulence is a Bifractal by Iyer, Kartik P., Sreenivasan, Katepalli R., Yeung, P. K.

“…The turbulence problem at the level of scaling exponents is hard in part because of the multifractal scaling of small scales, which demands that each moment…”
Get full text

A Linear Model for Inertial Modes in a Differentially Rotating Sun by Bhattacharya, Jishnu, Hanson, Chris S., Hanasoge, Shravan M., Sreenivasan, Katepalli R.

“…Abstract Inertial wave modes in the Sun are of interest owing to their potential to reveal new insight into the solar interior. These predominantly…”
Get full text

Characterization of Reconnecting Vortices in Superfluid Helium by Bewley, Gregory P., Paoletti, Matthew S., Sreenivasan, Katepalli R., Lathrop, Daniel P.

“…When two vortices cross, each of them breaks into two parts and exchanges part of itself for part of the other. This process, called vortex reconnection,…”
Get full text

Asymptotic exponents from low-Reynolds-number flows by Schumacher, Jörg, Sreenivasan, Katepalli R, Yakhot, Victor

Get full text

Turbulent Convection at Very High Rayleigh Numbers and the Weakly Nonlinear Theory by Sreenivasan, Katepalli R., Niemela, Joseph J.

“…To provide insights into the challenging problem of turbulent convection, Jack Herring used a greatly truncated version of the complete Boussinesq equations…”
Get full text

Colloquium : Unusual dynamics of convection in the Sun by Schumacher, Jörg, Sreenivasan, Katepalli R.

“…The Sun is our nearest star; it is also the most important star that determines life on Earth. A large variety of phenomena observed on the Sun's surface, with…”
Get full text

Classical 1/3 scaling of convection holds up to Ra = 1015 by Iyer, Kartik P., Scheel, Janet D., Schumacher, Jörg, Sreenivasan, Katepalli R.

“…The global transport of heat and momentum in turbulent convection is constrained by thin thermal and viscous boundary layers at the heated and cooled…”
Get full text

Scaling of locally averaged energy dissipation and enstrophy density in isotropic turbulence by Iyer, Kartik P, Schumacher, Jörg, Sreenivasan, Katepalli R, Yeung, P K

“…Using direct numerical simulations of isotropic turbulence in periodic cubes of several grid sizes, the largest being 81923 yielding a microscale Reynolds…”
Get full text

Average Turbulence Dynamics from a One-Parameter Kinetic Theory by Chen, Hudong, Staroselsky, Ilya, Sreenivasan, Katepalli R., Yakhot, Victor

“…We show theoretically that the mean turbulent dynamics can be described by a kinetic theory representation with a single free relaxation time that depends on…”
Get full text

Visualization of Superfluid Helium Flow by S. Paoletti, Matthew, B. Fiorito, Ralph, R. Sreenivasan, Katepalli, P. Lathrop, Daniel

“…We discuss an experimental technique to visualize motion in the bulk of superfluid 4He by tracking micron-sized solid hydrogen tracers. The behavior of the…”
Get full text

Anomalous heat transport and condensation in convection of cryogenic helium by Urban, Pavel, Schmoranzer, David, Hanzelka, Pavel, Sreenivasan, Katepalli R., Skrbek, Ladislav

“…When a hot body A is thermally connected to a cold body B, the textbook knowledge is that heat flows from A to B. Here, we describe the opposite case in which…”
Get full text

Anomalous scaling of structure functions and dynamic constraints on turbulence simulations by YAKHOT, Victor, SREENIVASAN, Katepalli R

Get full text

Forecasting small-scale dynamics of fluid turbulence using deep neural networks by Buaria, Dhawal, Sreenivasan, Katepalli R

“…Turbulence in fluid flows is characterized by a wide range of interacting scales. Since the scale range increases as some power of the flow Reynolds number, a…”
Get full text