2 Basic Principles Governing Aerodynamic Flows
2.1 Introduction
Aerodynamic flows are encountered when one is dealing with any aspect of aeronautical engineering. Physical principles that govern aerodynamic flows are based on the conservation of mass, momentum and energy. Just as Euler’s equations of motion are derived from Newton’s laws of motion in classical mechanics, secondary laws governing the dynamics of rotational flows can be derived from the fundamental physical principles. The flows around aerofoils are the simplest examples of aerodynamic flows. In aerofoil theory, it is possible to idealise the flow by ignoring the influence of the compressibility of the fluid medium. When compressibility is included, ...
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