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Experimental determination of dynamic stability parameters - hardcover

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The objective of these lecture series notes is to provide a review of the experimental dynamic stability tools and to present a state-of-the-art survey of the analytical, wind-tunnel and flight-test techniques used for dynamic stability work. Experts from all around the world present the fundamentals of dynamic stability testing, the detailed post processing methodologies, advances in experimental tools, etc. Demonstrations on experimental facilities and examples from flight tests are also presented. Although the main concern is on experimental activities, there are also some demonstrations on the usage of numerical CFD tools on the topic.

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EXPERIMENTAL DETERMINATION OF DYNAMIC STABILITY PARAMETERS
February 18-22, 2008, edited by S. Paris & C.O. Asma
Abstract

The stability of aerial vehicles has always been one of the most important topics studied for a safe and smooth flight. An aerial vehicle should have the tendency to return back to a stable position, when it is disturbed from its original path. Dynamic stability is usually thought as the vehicle's response over time when disturbed from a given angle of attack, slip or bank. The advent of flight at high angles of attack has revived our interest in the dynamic stability of aircrafts and missiles. One of the biggest problems in studying dynamic stability is the accurate determination of dynamic stability parameters, in other words, the damping coefficients.

The objective of these lecture series notes is to provide a review of the experimental dynamic stability tools and to present a state-of-the-art survey of the analytical, wind-tunnel and flight-test techniques used for dynamic stability work. Experts from all around the world present the fundamentals of dynamic stability testing, the detailed post processing methodologies, advances in experimental tools, etc. Demonstrations on experimental facilities and examples from flight tests are also presented. Although the main concern is on experimental activities, there are also some demonstrations on the usage of numerical CFD tools on the topic.

The proceedings are intended not only to provide suitable training and information to engineers and scientists who wish to enter the field, but also to provide a focal point for technical discussions and an opportunity to exchange views and ideas among engineers and scientists who already work in the field.

This Lecture Series is supported by EWA, European Wind-Tunnel Association, a Network of Excellence for aeronautical applications and advanced measuring technologies funded by the European Commission.

Table of content
  • QUAGLIOTTI, F.B. – Politechnico di Torino, Italy
    Flight mechanics
    Static and dynamic stability
  • GUGLIERI, G. - Politecnico di Torino, Italy
    Free to tumble technique: theory
    Free to tumble technique: practical aspects
    Forced oscillation technique: theory
    Forced oscillation technique: practical aspects
  • PARIS, S. - von Karman Institute for Fluid Dynamics, Belgium
    Practical aspect of the free-to-tumble technique for dynamic characterization of reentry vehicle
  • QUAGLIOTTI, F.B. – Politechnico di Torino, Italy
    Extended derivative based models
  • GOODYER, M. J. - University of Southampton, England
    The magnetic suspension of wind tunnel models: the principles and application to dynamic testing
  • WEINACHT, P.; DESPIRITO, J.; SAHU, J.; SILTON, S. - U.S. Army Research Laboratory, USA
    Computational methods to determine aerodynamic stability derivatives
  • HARKINS, T.1; DAVIS, B.1; BROWN, G.1; FRESCONI, F.1; HATHAWAY, W.2; HATHAWAY, A.2; LOVAS, A.3 - 1U.S. Army Research Laboratory, USA, 2Arrow Tech Associates, USA, 3Georgia Tech Research Institute, USA
    Free flight and instrumented flight techniques to extract aerodynamic stability derivatives
  • CHAPMAN, G.T. & YATES, L.A. – Aerospace Computing, Inc., USA
    Ballistic range determination of nonlinear dynamic stability parameters
  • BROUCKAERT, J.-F. – von Karman Institute for Fluid Dynamics, Belgium
    Unsteady pressure measurements
  • KARATEKIN, Ö. - Royal Observatory of Belgium, Belgium
    Dynamic stability of space capsules at lower speeds
  • LOESER, T. – DNW German – Dutch Wind Tunnels, Germany
    Experimental research of dynamic derivatives of unsteady moved aircraft
  • HÜBNER, A.R. – DLR, Germany
    Numerical research of dynamic derivatives of unsteady moved aircraft
  • MURMAN, S. M. - NASA Ames Research Center, USA
    Dynamic stability analysis using CFD methods
  • CHAPMAN, G.T. – Aerospace Computing, Inc., USA
    Comparison of aerodynamic dynamic stability data sources

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