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2020 | OriginalPaper | Chapter

Experimental and Numerical Investigation of the Interaction of Wake Vortices with a Gable Roof

Authors : Anna Uhl, Sebastian Braun, Eike Stumpf

Published in: New Results in Numerical and Experimental Fluid Mechanics XII

Publisher: Springer International Publishing

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Abstract

Roofs of buildings in the vicinity of airports can be damaged by trailing vortices of aircraft during take-off and landing phase. Interaction of trailing vortices with a generic gable roof is examined experimentally in a water towing tank, as well as numerically using unsteady Reynolds-averaged Navier Stokes simulations. The investigation focuses on understanding how the vortex core can come into contact with the roof surface causing negative pressure loads that are most likely accountable for observed roof damages. Numerical results are presented showing secondary vortex loops wrapping around the primary vortex causing break-up and linking of the vortex tube to the roof surface.

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The core radius is approximated by \(0.05b_0\) using \(b_0=b\pi /4\) with \(b={64.4}\hbox { m}\) [4, 8].

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Title: Experimental and Numerical Investigation of the Interaction of Wake Vortices with a Gable Roof
Authors: Anna Uhl
Sebastian Braun
Eike Stumpf
Publisher: Springer International Publishing
Book: New Results in Numerical and Experimental Fluid Mechanics XII
Print ISBN: 978-3-030-25252-6

Electronic ISBN: 978-3-030-25253-3

Copyright Year: 2020
DOI: https://doi.org/10.1007/978-3-030-25253-3_43

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