The MURI team has started to undertake a carefully planned program of research, including the development of efficacious predictive models for the physical elements that may contribute to the brownout problem. This goal will be achieved by better understanding rotor and airframe aerodynamics when operating in ground effect, as well as how the interaction of rotor wake vortices with the sediment bed occurs, the particulate uplift processes, and the two-phase fluid transport physics. The topic of the present MURI also specifically addresses piloting problems, so proper characterization of brownout clouds will be undertaken based on their optical properties. As the research progresses, brownout mitigation processes using rotorcraft design optimization techniques will then be undertaken using the validated computational methods.
Rotorcraft Brownout: Advanced Understanding, Control and Mitigation
2008
22 pages
Report
No indication
English
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