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Viac informácií o knihe Estimation of Bluff Body Transient Aerodynamic Loads

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Anotácia knihy

A method for the estimation of transient aerodynamic data from dynamic wind tunnel tests has been developed and employed in the study of the unsteady response of simple automotive type bodies. The experimental setup consists of the test model mounted to the oscillating model facility such that it is constrained to oscillate with a single degree of freedom of pure yawing motion. The yaw position is recorded from a potentiometer and the time response provides the primary measurement. Analysis of the wind-off and wind-on response allows the transient aerodynamic loads to be estimated. The frequency of oscillation is modified by altering the mechanical stiffness of the facility. The transient results are compared with a quasi-steady prediction based on conventional tunnel balance data and presented in the form of aerodynamic magnification. The facility and analysis techniques employed are presented and the results of a parametric study of model rear slant angle and of the influence of C-pillar strakes is reported. The results are strongly dependent on shape but for almost all rear slant angles the results show that the transient response exceeds the steady state data.

Parametre knihy

• Celý názov: Estimation of Bluff Body Transient Aerodynamic Loads
• Podnázov: Using an Oscillating Model Rig
• Autor: Shuhaimi Mansor
• Jazyk: Angličtina
• Väzba: Brožovaná
• Počet strán: 168
• EAN: 9783639306637
• ID: 06837612
• Nakladateľ: VDM Verlag Dr. Müller
• Hmotnosť: 308 g
• Rozmery: 220 × 150 × 12 mm
• Rok vydania: 2010

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