An exact solution to end reactions of a close coiled helical spring rotating about an axis perpendicular to that of the spring is shown. The solution allows for the general case of a spring initially offset longitudinally to the centre of rotation but restrained against bowing.
The solution requires knowledge of spring dimensions and free and installed length.
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References
1.
BoltzF. W.‘Hot wire heat loss characteristics and anemometry in subsonic continuum and slip flow’, NACA TN D-773, 1960 (December).
2.
HinzeJ. O.Turbulence1959 (McGraw-Hill Inc., New York).
