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Effects of turbulent flow to dynamic characteristic of high sweep-back angle Delta wing were performed by numerical (SIM) and experiment (EXP) method in subsonic flow. The numerical method was based on CFD methods using ANSYS/FLUENT software, while experiment method was conducted in low speed wind tunnel (Mach number M=0.1). At low Reynolds number, air velocity 2.5m/s, the Delta wing was investigated...
Due to its close proximity to the surface of water, Wing-In-Ground (WIG) crafts have much benefits from the increased aerodynamic efficiency which easily translates into fuel saving. This is besides the much higher speed possible of up to O(100) nautical miles per hour for the WIG craft which is at least twice the speed of the fastest water-surface speed boat of less than 50 nautical miles per hour...
The aerodynamic characteristics directly affect the stability, driving characteristics, safety, operation, and oil consumption of automobiles. This study examines the aerodynamic drag force acting over the car body using CFD analysis and results were validated experimentally by conducting the wind tunnel test. The drag force acting over the car body is determined by both numerical and experimental...
Contemporary vehicles are required to yield superior performance with low emissions, high stability, and a high fuel economy. For the same power output, the speed of the vehicle can be increased by reducing the drag force, which is resistance to the forward motion. Under-body region of the vehicle is often neglected because of its complex geometry and the presence of uneven and cleft structures which...
This work numerically examines the influences of 2004 Ferrari Formula One race car wing (spoiler) destructions on the overall race car aerodynamics characteristics which are believed to have direct connection to 2004 Ferrari Formula One race car accidents. Based on current study, the pressure distribution on the race car has been analyzed. Also, it has been proven that the installation of the front,...
Computational Fluid Dynamics (CFD) simulation for two types of heavy commercial vehicle (one with aerodynamic drag reduction devices and the other without) is performed to investigate their aerodynamic characteristics in this paper. Through the analysis of airflow and pressure distribution on the full vehicle surface, the drag reduction mechanism and the influence of these drag reduction devices on...
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