Large-Scale Structures in Helical Turbulence

  • O. A. Druzhinin
  • G. A. Khomenko
Conference paper


The generation of large-scale vortices in the helical turbulence is usually called the hydrodynamical alpha-effect (-effect) [1]. The equation for the mean field has the same form as appropriate α-effect equation in the mean-field MHD:
$${\partial _t}\Omega + \alpha cur\Omega = v\Delta \Omega $$


Advective Term Compressible Fluid Compressible Medium Small Wave Number Characteristic Spatial Scale 
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Copyright information

© Springer-Verlag Berlin, Heidelberg 1991

Authors and Affiliations

  • O. A. Druzhinin
    • 1
  • G. A. Khomenko
    • 1
  1. 1.Space Research Institute Academy of SciencesMoscowUSSR

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