NASA NTRS · 19900032875
A simplified ring-vortex downburst model
Abstract
Three dimensional incompressible vortex rings are used to model downburst flow field, and modifications are made to express the induced velocities analytically. As a result, this three dimensional downburst model can be used in trajectory optimization, as well as in flight simulations. Two such vortex rings are superposed to match the JAWS AB Corridor wind profiles and the DFW Downburst wind profiles. Model parameters are determined through nonlinear least square fit.
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Zhao, Yiyuan, Bryson, A. E.. 1990-01-01. A simplified ring-vortex downburst model. https://ntrs.nasa.gov/citations/19900032875
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