AAE 450 Spring 2008

Kyle Donahue3/26/2008

Trajectory Analyst, CAD GCBackup slides &

Timeline

AAE 450 Spring 2008

Wind Profiles and Wind Force

Trajectory Optimization

Assumptions:• Linear Constant wind• Random Gusts• Impulse Wind Gust• Wind is 2-D

AAE 450 Spring 2008

Timeline

Trajectory Optimization

AAE 450 Spring 2008

Backup Slides – Test Case

Trajectory Optimization

Optimization

payload 5 kg

stage 1 Cryo Aluminum

stage 2 Solid Aluminum

stage 3 Solid Titanium

psi(1) 6

psi(2) -28

psi(3) -28

Outputs

Periapsis 335.66 km

apoapsis 811.55 km

eccentricity 0.0342 -

Total DV 10778 m/s

DV circ 184 m/s

DV drag 409 m/s

% DV drag 3.8 -

AAE 450 Spring 2008

Backup Slides – Wind North/South

Trajectory Optimization

Back up –Limits to class height

Kyle

Brandon

AAE 450 Spring 2008

Backup Slides – References Kanehara, Junichi, Allen Guzik, Amanda Briden, Bradley Ferris, Daniel

Chua, Elizabeth Harkness, Kyle Donahue. AAE450 Senior Design Trajectory Code.

Trajectory Optimization