Zobrazeno 1 - 10
of 402
pro vyhledávání: '"Sreenivasan, K. P."'
In Nagib, Chauhan and Monkewitz~\cite{NCM07} we concluded that nearly all available $C_f$ relations for zero-pressure-gradient boundary layers are in remarkable agreement over the entire range $Re_\theta$ $<$ O($10^8$), provided one coefficient is ad
Externí odkaz:
http://arxiv.org/abs/2312.01184
Autor:
Sreenivasan, K. R., Yakhot, V.
We accomplish two major tasks. First, we show that the turbulent motion at large scales obeys Gaussian statistics in the interval 0 < Rlambda < 8.8, where Rlambda is the microscale Reynolds number, and that the Gaussian flow breaks down to yield plac
Externí odkaz:
http://arxiv.org/abs/2106.01293
Akademický článek
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Autor:
Bazot, M., Benomar, O., Christensen-Dalsgaard, J., Gizon, L., Hanasoge, S., Nielsen, M., Petit, P., Sreenivasan, K. R.
Asteroseismology has undergone a profound transformation as a scientific field following the CoRoT and Kepler space missions. The latter is now yielding the first measurements of latitudinal differential rotation obtained directly from oscillation fr
Externí odkaz:
http://arxiv.org/abs/1902.01676
Publikováno v:
Phys. Rev. E 99, 023102 (2019)
Small scale characteristics of turbulence such as velocity gradients and vorticity fluctuate rapidly in magnitude and oscillate in sign. Much work exists on the characterization of magnitude variations, but far less on sign oscillations. While averag
Externí odkaz:
http://arxiv.org/abs/1811.03134
Autor:
Bazot, M., Nielsen, M. B., Mary, D., Christensen-Dalsgaard, J., Benomar, O., Petit, P., Gizon, L., Sreenivasan, K. R., White, T. R.
Stellar magnetic fields are poorly understood but are known to be important for stellar evolution and exoplanet habitability. They drive stellar activity, which is the main observational constraint on theoretical models for magnetic field generation
Externí odkaz:
http://arxiv.org/abs/1810.08630
Autor:
Benomar, O., Bazot, M., Nielsen, M. B., Gizon, L., Sekii, T., Takata, M., Hotta, H., Hanasoge, S., Sreenivasan, K. R., Christensen-Dalsgaard, J.
Publikováno v:
Science, Vol. 361, Issue 6408, pp. 1231-1234, 21 Sep 2018
The differentially rotating outer layers of stars are thought to play a role in driving their magnetic activity, but the underlying mechanisms that generate and sustain differential rotation are poorly understood. We report the measurement of latitud
Externí odkaz:
http://arxiv.org/abs/1809.07938
Autor:
Benomar, O., Goupil, Mjo., Belkacem, K., Appourchaux, T., Nielsen, M. B., Bazot, M., Gizon, L., Hanasoge, S., Sreenivasan, K. R., Marchand, B.
Oscillation properties are usually measured by fitting symmetric Lorentzian profiles to the power spectra of Sun-like stars. However the line profiles of solar oscillations have been observed to be asymmetrical for the Sun. The physical origin of thi
Externí odkaz:
http://arxiv.org/abs/1804.06117
Akademický článek
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Quantum vortex dynamics in Bose-Einstein condensates or superfluid helium can be informatively described by the Gross-Pitaevskii (GP) equation. Various approximate analytical formulae for a single stationary vortex are recalled and their shortcomings
Externí odkaz:
http://arxiv.org/abs/1212.6389