Author:
Murata S.,Miyake Y.,Tsujimoto Y.,Yamamoto F.
Abstract
In the present paper, it is intended to give the elementary solutions of three-dimensional unsteady Oseen flow when unsteady concentrated lift and/or drag is applied in the flow field. It is shown that the pressure fields due to concentrated impulsive lift and/or drag can be represented by an impulsive pressure doublet in the direction of the applied force and the corresponding velocity fields by diffusing free doublets in the direction of the external force that are shed from the location of the force application and convected downstream with otherwise uniform velocity. It is also confirmed that combination of the elementary solutions given in the present paper yields the two-dimensional ones.
Publisher
Cambridge University Press (CUP)
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics
Reference4 articles.
1. Shen, S. F. & Crimi, P. J. 1965 J. Fluid Mech. 23,585.
2. Tsujimoto, Y. , Murata, S. , Miyake, Y. & Yamamoto, F. 1978 Trans. Japan Soc. Mech. Engrs (in Japanese) (to be published).
3. Murata, S. , Miyake, Y. & Tsujimoto, Y. 1977 Bull. Japan Soc. Mech. Engrs 20,819.
4. Moore, F. M. 1964 Theory of Laminar Flows ,p.96.Princeton University Press.
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