Flow separation from submarine shaped bodies of revolution in steady turning

Flow separation from submarine shaped bodies of revolution in steady turning Flow separation from 3 slender bodies of revolution in steady turning is studied using Computational Fluid Dynamics RANS simulations. The body profiles include the DRDC-STR, DARPA SUBOFF, and the Series-58 Model 4621. The flow conditions consider varying turning radii, 1.0≤R/l≤10 (where R is the radius of the turn and l is the body length) with a fixed pivot point located 25% aft of the nose. The Reynolds numbers considered were 6.5, 11.7 and 23 million. Scaling laws deduced for the development of separation along the midbody and tail were used to develop an analytical model for predicting the separation line along a body of revolution of arbitrary profile. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Ocean Engineering Elsevier

Flow separation from submarine shaped bodies of revolution in steady turning

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Publisher
Elsevier
Copyright
Copyright © 2015 Elsevier Ltd
ISSN
0029-8018
eISSN
1873-5258
D.O.I.
10.1016/j.oceaneng.2015.07.052
Publisher site
See Article on Publisher Site

Abstract

Flow separation from 3 slender bodies of revolution in steady turning is studied using Computational Fluid Dynamics RANS simulations. The body profiles include the DRDC-STR, DARPA SUBOFF, and the Series-58 Model 4621. The flow conditions consider varying turning radii, 1.0≤R/l≤10 (where R is the radius of the turn and l is the body length) with a fixed pivot point located 25% aft of the nose. The Reynolds numbers considered were 6.5, 11.7 and 23 million. Scaling laws deduced for the development of separation along the midbody and tail were used to develop an analytical model for predicting the separation line along a body of revolution of arbitrary profile.

Journal

Ocean EngineeringElsevier

Published: Nov 1, 2015

References

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