Accession Number:

ADA067506

Title:

Motion of a Vortex Blotch,

Descriptive Note:

Corporate Author:

BROWN UNIV PROVIDENCE R I DIV OF APPLIED MATHEMATICS

Personal Author(s):

• Su,C. H.

Report Date:

1978-11-01

Pagination or Media Count:

8.0

Abstract:

We derive an equation for invariant curves in the motion of a vortex blotch. Kirchhoffs elliptical vortex is shown to satisfy the equation exactly. We also find that perturbations to a circular vortex are invariant configurations to the third order of approximation calculated.

Descriptors:

• *EQUATIONS OF MOTION
• *VORTICES
• PARAMETRIC ANALYSIS
• APPROXIMATION(MATHEMATICS)
• COORDINATES
• PERTURBATIONS
• TWO DIMENSIONAL FLOW
• INCOMPRESSIBLE FLOW
• CURVES(GEOMETRY)

Subject Categories:

• Fluid Mechanics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE