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On free boundaries of an ideal fluid. II

โœ Scribed by Max Shiffman

Publisher
John Wiley and Sons
Year
1949
Tongue
English
Weight
457 KB
Volume
2
Category
Article
ISSN
0010-3640

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โœฆ Synopsis

By M A X SHIFFMAN

1. Geometrical Interpretation of the Force

We shall consider the force on an'obstacle due to the formation of a cavity behind it. The principle of reflection across free boundaries leads to a geometrical interpretation of the force and of the drag coefficient. Besides its intrinsic interest, the geometrical interpretation makes the drag coefficient easily calculable. As in part I,' we consider several special examples and we include unsymmetrical flows.

Comider an obstacle AB, aiq in the diagram, and a cavity or dead water region behind it. By reflection across the free boundary BC, the obstacle ,AB 'Part I appeared in the January, 1948, issue of this journal, pp. 89-99.

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