16.61 Aerospace Dynamics Spring 2003 Derivation of lagrangian equations Basic Concept: Virtual Work Consider system of N particles located at(, x2, x,,.x3N )with 3 forces per particle(f. f, f..fn). each in the positive

16.61 Aerospace Dynamics Spring 2003 Example Given: Catapult rotating at a constant rate(frictionless, in the horizontal plane) Find the eom of the particle as it leaves the

CoRIoLIS ACcELERAT0 EMYSTIF∈p CONSIOER CASE oF CONSTANT ROTA ToN.No AT0 N OF MME⊙AGUA,ANDc°srAT RADIAL VELOCITY ( As sEEN IN THE RomTIwG 仅AAE

《流体动力学》（英文版）lecture 13

1 Definitions The details of the velocity profile u() at any x location are rarely significant in engineering applications. The most significant quantities are integral thicknesses which describe the mass Alux, momentum flux, and kinetic energy flux in the shear layer:

Ba5IS FOR INTEGRAL BL METNopS rescaling of u an Example: Falkner- Skan profile

《流体动力学》（英文版）lecture 1

11. 4 PRANDTL-GLAUERT COMPRESSIBILITY CORRECTION The methods that approximately take into account of the effects of compressibility by correct the Incompressible flow results Is called compressible corrections

This chapter mainly deal with the properties of two-dimensional airfoils at mach number above 0.3 but below 1, where the compressibil ity must be considered

本节要点只有 一、计算通过正激波的流动特性变化