|
doi:10.5937/OTEH2402009F
Vol.
74, No.2 (2024), Pages: 9-16
Impressum
Contents
Computational Analysis of Rocket-Assisted Projectile Trajectory
Abdellah
Ferfouri
Damir D. Jerković
Aleksandar V. Kari
Saša Živković
Mirko Karić
A computational analysis was carried out in order to study the
effect of solid rocket motor operating parameters on the trajectory
elements of 155mm rocket-assisted projectile. Two numerical
solutions have been programmed for this purpose. The first for the
rocket motor internal ballistic calculation. The second is intended
for the six degree-of-freedom (6-DOF) trajectory determination for
both unpowered and powered flight. The effect of three operating
parameters of the solid rocket motor on the trajectory elements was
taken into account, namely: (1) thrust-time profile (neutral,
regressive or progressive), (2) working time and (3) ignition delay.
The results obtained following this analysis are helpful as a
preliminary stage in the design of extended range projectiles in
order to optimize flight performance.
Key words: rocket-assisted projectile, trajectory elements,
internal ballistic calculation, 6-DOF trajectory model.
DOWNLOAD PDF
|
