A study was conducted using strip theory to systematically investigate the effects of progressively more complete descriptions of the interaction of an airplane with a wake vortex system. The emphasis was in roll-dominant, parallel, vortex encounters. That is, the simulated airplane's longitudinal axis was nearly parallel to the rotation axis of the vortex system for most of the results presented. The study began with a drag-less rectangular wing in the flow field of a single vortex and progressed to a complete airplane with aerodynamic surfaces possessing taper, sweep, dihedral, and stalling and immersed in the flow field of a vortex pair in ground effect. The effects of the pitch, roll, and yaw attitudes of the airplane on the calculated accelerations were also investigated. The airplane had the nominal characteristics of a Boeing 757, and the vortex flow field had the nominal characteristics of the wake of a Boeing 767. The Bumham-Hallock model of a vortex flow field was used throughout the study. The data are presented mainly in terms of contours of equal acceleration in a two-dimensional area centered on the vortex pair and having dimensions of 300 feet by 300 feet.
A Parametric Study of Accelerations of an Airplane Due to a Wake Vortex System
1999-05-01
Report
No indication
English
BRIEFS - Mechanics - Accelerations of One Airplane in Wake Vortices of Another
Online Contents | 1999
Accelerations in Fighter-airplane Crashes
NTRS | 1957
|Accelerations in transport-airplane crashes
Engineering Index Backfile | 1958
|Accelerations in Transport-airplane Crashes
NTRS | 1958
|