Introduction to Unsteady Aerodynamics
Introduction to Unsteady Aerodynamics
- Neue Suche nach: Wright, Jan R.
- Neue Suche nach: Cooper, Jonathan E.
- Neue Suche nach: Wright, Jan R.
- Neue Suche nach: Cooper, Jonathan E.
This chapter considers the two‐dimensional inviscid, incompressible flow over a thin, rigid section aerofoil undergoing small amplitude heave and pitch motions. It investigates the effect of a sudden step change in incidence on the lift acting on an aerofoil, the lift and moment resulting from a harmonically oscillating aerofoil in a steady flow, followed by consideration of how a general motion would be dealt with. The chapter develops analytical models, using the so‐called oscillatory aerodynamic derivatives to show how the aerodynamic forces and moments can be expressed via aerodynamic damping and stiffness terms. It also considers the related issue of unsteady aerodynamic effects for the aerofoil encountering a sharp‐edged or harmonic gust. Simple examples are used to illustrate the underlying principles rather than addressing the most up‐to‐date aerodynamic methods.
Dokumentinformationen
Introduction to Unsteady Aerodynamics
2014-12-02
15 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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