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Assessment of dynamic pairwise wake vortex separations for approach and landing at Vienna airport

Holzäpfel, Frank and Strauss, Lukas and Schwarz, Carsten Walter (2021) Assessment of dynamic pairwise wake vortex separations for approach and landing at Vienna airport. Aerospace Science and Technology, 112, p. 106618. Elsevier. doi: 10.1016/j.ast.2021.106618. ISSN 1270-9638.

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Official URL: http://dx.doi.org/10.1016/j.ast.2021.106618


The Wake Vortex Prediction System WSVS (WirbelSchleppenVorhersageSystem) has been developed to tactically increase airport capacity by employing dynamically adjusted aircraft separations for approach and landing without compromising safety. For this purpose, the WSVS considers the involved aircraft type pairing, the prevailing weather conditions, and the resulting wake vortex behavior. A Monte Carlo simulation study demonstrates that the WSVS is well adjusted to a reasonable level of safety. The simulation study evaluates the probability that wake vortices still linger within defined radii around the follower aircraft and compares this probability to measurement data collected at five major international airports. The potential of the WSVS to optimize aircraft separations is assessed by employing twelve months of traffic and weather prediction data collected at Vienna International Airport. Analyses of the separation reduction potential are established and compared to current regulations. Dependencies on prevailing headwind and crosswind conditions are discussed in terms of individual wake vortex behavior and statistical distributions of wake turbulence separations. The results indicate that substantial potential for safely reduced aircraft separations exists mainly under sufficiently strong crosswind conditions for any aircraft type combination requiring wake vortex separation minima.

Item URL in elib:https://elib.dlr.de/141251/
Document Type:Article
Title:Assessment of dynamic pairwise wake vortex separations for approach and landing at Vienna airport
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Holzäpfel, FrankDLR, IPAhttps://orcid.org/0000-0003-3182-1832UNSPECIFIED
Strauss, LukasMeteoServe Wetterdienst GmbH / Austro Control GmbHUNSPECIFIEDUNSPECIFIED
Date:5 March 2021
Journal or Publication Title:Aerospace Science and Technology
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:p. 106618
Keywords:Wake vortices, Wake vortex advisory system, Approach and landing, Pairwise dynamic separations, Safety assessment
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Air Transportation and Impact
DLR - Research area:Aeronautics
DLR - Program:L AI - Air Transportation and Impact
DLR - Research theme (Project):L - Climate, Weather and Environment
Location: Braunschweig , Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Transport Meteorology
Institute of Flight Systems > Flight Dynamics and Simulation
Deposited By: Holzäpfel, Dr. habil. Frank
Deposited On:08 Mar 2021 08:21
Last Modified:24 May 2022 23:47

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