نتایج جستجو برای: angle of attack indicator
تعداد نتایج: 21181200 فیلتر نتایج به سال:
In this paper, a robust control law is proposed, based on Lyapunov’s theory and sliding mode control theory, in order to track the angle of attack in nonlinear longitudinal dynamics of a missile. It is assumed that there are unmatched uncertainties in the nonlinear systems. In the proposed algorithm, the controller gains are optimized by Particle Swarm Optimization (PSO) algorithm. For...
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A pressure-based implicit procedure to solve the Euler and Navier-Stokes equations on a nonorthogonal mesh with collocated finite volume formulation is described. The boundedness criteria for this procedure are determined from Normalized Variable diagram (NVD) scheme.The procedure incorporates the ε−k eddy-viscosity turbulence model. The algorithm is tested for inviscid and turbulent transonic ...
The DSTO water tunnel’s balance and rotary support mechanism provides a measurement capability for longitudinal dynamic derivatives. This report documents the underlying theory and computational implementation of a technique which uses the water tunnel for determination of normal force and pitching moment coefficient derivatives with respect to angle of attack, nondimensional pitch rate and ang...
The angle and number of wind turbine blades. used for testing is a vertical Darrieus-H type with variations in the blades 2, 3, 4. Blades NACA 4415 specifications, speeds 4 m/s, 5 6 7 m/s s, 8 m/s. source using fan. Variations attack are 0o, 10o, 20o, 30o. blade made sea sengon wood. At position attack, 10o rotates faster due to influence lifting force 0o difficult rotate because straight direc...
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