Hegedus Aerodynamics

4 Caliber Cone with 4.6 Caliber Aftbody

4 Caliber Cone Body Geometry

The following results compare PANAIR and Euler results from AT CFD for a 4 Caliber Cone with an 4.6 Caliber aftbody. The intent of this example is see how increasing the fineness ratio effects the comparison. The comparison is improved over that for the 2 Caliber Cone case. This is expected since the assumption of small disturbance used for the linearization of the velocity potential equation is more valid. For further discussion, the reader is referred to the 2 Caliber Cone case.

4 Caliber Cone Body Axial Force Coefficient vs. Mach Number for an Angle of Attack of 5 Degrees.

4 Caliber Cone Body Normal Force Coefficient vs. Mach Number for an Angle of Attack of 5 Degrees

4 Caliber Cone Body Pitching Moment Coefficient vs. Mach Number for an Angle of Attack of 5 Degrees

4 Caliber Cone Normal Force Distribution for PANAIR and AT CFD at an Angle of Attack of 1 Degree and at Mach 1.5