Exact Solutions for Starting and Oscillatory Flows in an Equilateral Triangular Duct

Author:

Wang C. Y.12

Affiliation:

1. Department of Mathematics;

2. Department of Mechanical Engineering, Michigan State University, East Lansing, MI 48824 e-mail:

Abstract

Exact series solutions, some in closed-form, for starting flow and oscillatory flow in an equilateral triangular duct are presented. The complete set of eigenvalues and eigenfunctions of the Helmholtz equation is derived, and the method of eigenfunction superposition is used. Exact solutions are rare, fundamental, and serve as accuracy standards for approximate methods.

Publisher

ASME International

Subject

Mechanical Engineering

Reference16 articles.

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2. Zum Problem der Anslaufstromung einer Flussigkeit im geraden Rohr mit Kreisring und Kreisquerschnitt;Z. Angew. Math. Mech.,1936

3. On the Flows Produced by Sudden Application of a Constant Pressure Gradient or by Impulsive Motion of a Boundary;Int. J. Nonlinear Mech.,2003

4. Effects of the Side Walls on Starting Flows in Ducts;Int. J. Nonlinear Mech.,2005

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