Evaluation of transient agility metrics through unmanned simulation of the X-31 post-stall aircraft /

(AOA) flight and rapid nose-pointing are now realities with

Bibliographic Details
Main Author: Fischer, Shiloh Douglas
Format: Thesis eBook
Language:English
Published: [Place of publication not identified] : [publisher not identified] ; 1996.
Subjects:
Online Access:Link to OAKTrust copy
Description
Summary:(AOA) flight and rapid nose-pointing are now realities with
a post-stall fighter. Comparison to Valasek and Downing's
aircraft state during close-in combat. As complements to
and onset rate axial agility metrics are acceptable
and precisely change from its present state to a desired new
as incorporating the newly acquired Agile-VU visualization
between energy levels. The power loss rate test is modified
characteristics, maneuvering in the 1-3 second time scale, of
conventional fighter aircraft agility simulations is done for
conventional performance measures of merit, agility metrics
describe post-stall agility and performance improvements due
descriptors of an aircraft's ability to rapidly transition
Development of post-stall capable aircraft has enhanced the
due to thrust vectoring are highlighted. The power loss rate
each axis of agility tests, and the performance improvements
for their effectiveness in describing transient agility
generation and maintenance during a pitch maneuver. High and
IA to describe an aircraft's balance of maximum load factor
incapable of comprehensively describing the rapid changes in
loop agility maneuvers on the fixed-base simulator for post-
low AOA lateral agility tests also show improved roll
maneuvering capabilities. A batch simulation model of the
metric. Longitudinal nose pointing metrics effectively
metrics maneuver is recommended as a post-stall axial agility
open-loop longitudinal, lateral, and axial agility metrics
performance about the velocity vector. A high AOA loaded
pitch impulse metric, is developed and simulated on the X-3
pitch rate metrics. A new flight path agility measure, the
post-stall axial agility metric. Longitudinal nose pointing
program with metric research and flying recommended closed-
provide a more complete description of an aircraft's rapid
research of agility, the ability of an aircraft to quickly
RockwelVMBB X-31A aircraft is used to evaluate recommended
roll metric is developed using the integral of the velocity
stall agility evaluation.
state, and its measurement. Controlled high angle of attack
the X-31A batch simulation Version-120 is recommended as well
thrust vectoring. Traditional measures of merit are
to create induced drag and maximize power loss rate. The
to include a rapid pitch up maneuver and evaluate the ability
to thrust vectoring with the maximum, minimum, and average
vector roll rate as the angle of interest. Acquisition of
Item Description:"Major subject: Aerospace Engineering".
In title, numerals are used.
Vita.
Physical Description:xii, 81 leaves : illustrations ; 28 cm.
Also available online.
Issued also on microfiche from Lange Micrographics.
Bibliography:Includes bibliographical references.