Observations of the Vortex Ring State

Green, R.B. , Gillies, E.A., Giuni, M., Hislop, J. and Savas, O. (2014) Observations of the Vortex Ring State. European Rotorcraft Forum 2014, Southampton, England, 02-05 Sep 2014.

102759.pdf - Accepted Version



This paper considers the vortex ring state, a flow condition usually associated with the descent of a rotor into its own wake. The phenomenon is investigated through experiments on simple rotor systems, and a comparison is then made with observations of a flow generated by a specially designed open core, annular jet that generates a mean flow velocity profile similar to the mean flow in a rotor wake in hover. In an experimentally simulated descent, the jet flow generates a flow state that shares many features of the rotor vortex ring state.

Item Type:Conference or Workshop Item
Glasgow Author(s) Enlighten ID:Green, Dr Richard and Giuni, Dr Michea and Gillies, Dr Eric
Authors: Green, R.B., Gillies, E.A., Giuni, M., Hislop, J., and Savas, O.
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Research Group:Aerospace Sciences
Copyright Holders:Copyright © 2014 The Authors
Publisher Policy:Reproduced with the permission of the authors
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