This investigation documents the aerodynamic characteristics of four profiles, as cylinder,
sphere, symmetrical aerofoil (NACA 0015) and cambered aerofoil (NACA 4415) objects of
same volume. These have been analyzed in a comparison study dealing with their
aerodynamic properties, tested at a sub-sonic wind tunnel and obtained experimental data
at different Reynolds's Number and angle of attack. Improvement of our understanding of
aerodynamic drag force experienced by the different shape of objects, are important for the …

The amount of drag produced significantly depends on shape. This investigation deals with
the drag analysis of four different profiles, which are cylinder, sphere, symmetrical aerofoil
(NACA 0015) and cambered aerofoil (NACA 4415), objects of same volume. These four
different types of objects has been tested at a sub-sonic wind tunnel and experimental data
has been obtained at different Reynolds's Number and angle of attack. The two aerofoils
(symmetrical NACA 0015 and cambered NACA 4415) have been tested from-3˚ to 21˚ …