On the Helicity of Slope Flows

被引:0
|
作者
Ingel, L. Kh. [1 ,2 ]
机构
[1] Taifun Res & Prod Assoc, Obninsk 249020, Kaluga Oblast, Russia
[2] Russian Acad Sci, Obukhov Inst Atmospher Phys, Moscow 119017, Russia
关键词
slope flows; Coriolis accelerations; helicity; analytic model;
D O I
10.3103/S1068373924090024
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
A generalization of the Prandtl's stationary model of slope flows taking into account the influence of Coriolis accelerations is considered. The helicity of stationary slope flows is calculated analytically. The calculations show that the helicity of such flows, in principle, can be very significant even at very small angles of the lower boundary inclination. This result is especially enhanced for weak background stratifications.
引用
收藏
页码:772 / 775
页数:4
相关论文
共 50 条
  • [1] Evolution of helicity in fluid flows
    Scofield, D. F.
    Huq, Pablo
    JOURNAL OF MATHEMATICAL PHYSICS, 2010, 51 (03)
  • [2] Vorticity intensification in turbulent flows with helicity
    Chkhetiani, OG
    IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS, 2005, 41 (02) : 145 - 149
  • [3] ON A VARIATIONAL PROPERTY OF HELICITY IN INCOMPRESSIBLE FLOWS
    LEWALLE, J
    PHYSICS LETTERS A, 1987, 122 (6-7) : 338 - 340
  • [4] The role of helicity in turbulent MHD flows
    Center for MHD Studies, Ben Gurion University of the Negev, P.O.B.653, Beer-Sheva 84105, Israel
    不详
    Zh Eksp Teor Fiz, 1 (171-181):
  • [5] Holder Regularity of Helicity for the Incompressible Flows
    Liu, Jitao
    Zhao, Yunxiao
    JOURNAL OF MATHEMATICAL FLUID MECHANICS, 2023, 25 (01)
  • [6] Helicity generation in uniform helical flows
    Chefranov, SG
    JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS, 2004, 99 (05) : 987 - 997
  • [7] Helicity generation in uniform helical flows
    S. G. Chefranov
    Journal of Experimental and Theoretical Physics, 2004, 99 : 987 - 997
  • [8] The role of helicity in turbulent MHD flows
    E. Golbraikh
    O. G. Chkhetiani
    S. S. Moiseev
    Journal of Experimental and Theoretical Physics, 1998, 87 : 95 - 100
  • [9] HELICITY FLUCTUATIONS IN INCOMPRESSIBLE TURBULENT FLOWS
    ROGERS, MM
    MOIN, P
    PHYSICS OF FLUIDS, 1987, 30 (09) : 2662 - 2671
  • [10] Helicity generation in turbulent MHD flows
    O. G. Chkhetiani
    S. S. Moiseev
    E. I. Golbraikh
    Journal of Experimental and Theoretical Physics, 1998, 87 : 513 - 517