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What is Aerodynamic Study of NACA Inlets about?

This thesis investigates the aerodynamic efficiency and drag of different ramp angles for a NACA air inlet using computational fluid dynamics (CFD). Four ramp angles were simulated: 4, 7, 10, and 15 degrees. The 7 degree ramp was also simulated at different velocities and Reynolds numbers. The inlet efficiency from this study fell between previous CFD and experimental investigations. A ramp angle of 7 degrees performed best for lower mass flows, while 10 and 15 degrees were preferred at higher mass flows. L

Author

Œdgar çë

Language

EN