Aspects of Aircraft Design and Control
A series of eight projects on selected aspects of aeronautical engineering, with accompanying introductory lectures. Pre-requisites are a good familiarity with Newtonian mechanics, fluid mechanics, and the aerospace sector.
License: Creative Commons BY-SA.
[url] © 2011-2013 Olivier Cleynen and other authors
Course content and objectives; Copyright license; Course limitations and marking.
Lift and Drag
Energy and power on the ground, in the air; Aircraft forces; The lift coefficient; Drag and drag coefficient.
Effect of altitude on aircraft forces and speeds; Calculation of the flight domain of an aircraft.
Definitions and naming conventions for aircraft forces and angles; Overview of an airliner take-off.
Cruise speed selection (minimum drag, minimum power, the drag polar); The payload-range diagram; The Breguet range equation; A glance at airline economics.
Two-dimensional lift; Three-dimensional lift; The lifting-line theory; Elliptical, tapered, swept, etc. wings.
Propulsion fundamentals; Jet engine thermodynamics (energy accounting, stagnation properties); Jet engine performance & installation.
Aircraft longitudinal equilibrium; The aerodynamic center; Equations for longitudinal trim; A pilot’s perspective.
The case for canards
Overview of trim (symmetrical and asymmetrical airfoils); Longitudinal stability (first approach and quantification); Canard aircraft.