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Vortex wakes of Aircrafts

  • Book
  • © 2009

Overview

Authors:
  1. A.S. Ginevsky
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    You can also search for this author in PubMed   Google Scholar

  2. A. I. Zhelannikov
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  • Combines method of discrete vortices with Integral methods
  • Efficient approach helps to drastically reduce calculation times
  • Includes supplementary material: sn.pub/extras

Part of the book series: Foundations of Engineering Mechanics (FOUNDATIONS)

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Table of contents (8 chapters)

  1. Front Matter

    Pages i-xiv
    Download chapter PDF

  2. General

    • A.S. Ginevsky, A.I. Zhelannikov
    Pages 1-11

  3. Discrete Vortex Method

    • A.S. Ginevsky, A.I. Zhelannikov
    Pages 13-32

  4. The Near Vortex Wake Behind a Single Aircraft

    • A.S. Ginevsky, A.I. Zhelannikov
    Pages 33-37

  5. Far Vortex Wake Behind a Turbojet Aircraft

    • A.S. Ginevsky, A.I. Zhelannikov
    Pages 39-70

  6. Vortex Wakes Behind Propeller-Driven Aircraft

    • A.S. Ginevsky, A.I. Zhelannikov
    Pages 71-97

  7. Wind Flow Over Rough Terrain

    • A.S. Ginevsky, A.I. Zhelannikov
    Pages 99-104

  8. Simulation of the Far Vortex Wake of an Aircraft at Takeoff and Landing

    • A.S. Ginevsky, A.I. Zhelannikov
    Pages 105-128

  9. Aerodynamic Loads on Aircraft Encountering Vortex Wakes of Other Aircraft

    • A.S. Ginevsky, A.I. Zhelannikov
    Pages 129-148

  10. Back Matter

    Pages 1-6
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Keywords

About this book

Investigation of vortex wakes behind various aircraft, especially behind wide bodied and heavy cargo ones, is of both scientific and practical in terest. The vortex wakes shed from the wing’s trailing edge are long lived and attenuate only atdistances of10–12kmbehindthe wake generating aircraft. The encounter of other aircraft with the vortex wake of a heavy aircraft is open to catastrophic hazards. For example, air refueling is adangerous operationpartly due to thepossibility of the receiver aircraft’s encountering the trailing wake of the tanker aircraft. It is very important to know the behavior of vortex wakes of aircraft during theirtakeoff andlanding operations whenthe wakes canpropagate over the airport’s ground surface and be a serious hazard to other depart ing or arriving aircraft. This knowledge can help in enhancing safety of aircraft’s movements in the terminal areas of congested airports where the threat of vortex encounters limits passenger throughput. Theoreticalinvestigations of aircraft vortex wakes arebeingintensively performedinthe major aviationnations.Usedforthispurpose are various methods for mathematical modeling of turbulent flows: direct numerical simulation based on the Navier–Stokes equations, large eddy simulation using the Navier–Stokes equations in combination with subrigid scale modeling, simulation based on the Reynolds equations closed with a differential turbulence model. These approaches are widely used in works of Russian and other countries’ scientists. It should be emphasized that the experiments in wind tunnels and studies of natural vortex wakes behind heavy and light aircraft in flight experiments are equally important.

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