Turbulence without Richardson–Kolmogorov cascade

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Regimes of turbulence without an energy cascade

Experiments and numerical simulations of turbulent 4He and 3He-B have established that, at hydrodynamic length scales larger than the average distance between quantum vortices, the energy spectrum obeys the same 5/3 Kolmogorov law which is observed in the homogeneous isotropic turbulence of ordinary fluids. The importance of the 5/3 law is that it points to the existence of a Richardson energy ...

متن کامل

Turbulence: does energy cascade exist?

Christophe Josserand, Martine Le Berre, Thierry Lehner and Yves Pomeau 1 Sorbonne Universités, CNRS & UPMC Univ Paris 06, UMR 7190, Institut Jean Le Rond d’Alembert, F-75005, Paris, France. 2 Institut des Sciences Moléculaires d’Orsay ISMO-CNRS Université Paris-Sud Bat. 210 91405 Orsay Cedex, France. 3 Observatoire de Paris, LUTH, France. 4 Department of Mathematics University of ArizonaTucson ...

متن کامل

Non-Kolmogorov cascade of helicity-driven turbulence.

We solve the Navier-Stokes equations with two simultaneous forcings. One forcing is applied at a given large scale and it injects energy. The other forcing is applied at all scales belonging to the inertial range and it injects helicity. In this way we can vary the degree of turbulence helicity from nonhelical to maximally helical. We find that increasing the rate of helicity injection does not...

متن کامل

Free energy cascade in gyrokinetic turbulence.

In gyrokinetic theory, the quadratic nonlinearity is known to play an important role in the dynamics by redistributing (in a conservative fashion) the free energy between the various active scales. In the present study, the free energy transfer is analyzed for the case of ion temperature gradient driven turbulence. It is shown that it shares many properties with the energy transfer in fluid tur...

متن کامل

Cascade model of fully developed turbulence

Kolmogorov's phenomenological theory for the energy spectrum in a turbulent fluid in three dimensions is perhaps the single most successful theoretical attempt to comprehend fully developed turbulence. (1) Nevertheless it fails to account for certain fluctuation effects (" intermittency ") that are seen experimentally in three dimensions3 2) Furthermore, it is formulated in such general terms t...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Physics of Fluids

سال: 2010

ISSN: 1070-6631,1089-7666

DOI: 10.1063/1.3453708