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JOURNALS // Prikladnaya Mekhanika i Tekhnicheskaya Fizika // Archive

Prikl. Mekh. Tekh. Fiz., 2007 Volume 48, Issue 2, Pages 57–65 (Mi pmtf2012)

Ideal incompressible flow around a wedge tip

S. K. Betyaev

Joukowski Central Aerohydrodynamic Institute, Zhukovskii, 140181

Abstract: A planar analog of conical flows is considered: an inviscid incompressible fluid flow around a wedge tip. A class of conical flows is found where vorticity is transported along streamlines by the potential component of velocity. Problems of a wave “locked” in the corner region and of a flow accelerating along the rib of a dihedral angle are considered. By analogy with an axisymmetric quasi-conical flow, a planar quasi-conical flow of the fluid is determined, namely, the flow inside and outside the region bounded by tangent curves described by a power law. Conditions are found where vorticity and swirl produce a significant effect. An approximate solution of the problem of the fluid flow inside a “zero” angle is obtained.

Keywords: ideal fluid, planar conical and quasi-conical flows, vorticity, unsteadiness.

UDC: 532.526.5

Received: 25.10.2005
Accepted: 26.02.2006


 English version:
Journal of Applied Mechanics and Technical Physics, 2007, 48:2, 192–199

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