Introduction to Aerospace Engineering A Freshman …...AE 100: Introduction to Aerospace Engineering...
Transcript of Introduction to Aerospace Engineering A Freshman …...AE 100: Introduction to Aerospace Engineering...
Introduction to Aerospace Engineering A Freshman-level Course in Rocketry and
Satellite Design
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 2
AE 100: Introduction to Aerospace Engineering
• Objective: Introduce incoming freshman students to aspects of aerospace engineering giving them hands-on problem solving design and data collection experience
• Currently: two sections – Spacecraft and rocket design – Aircraft design
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 3
AE 100: Rocket and Spacecraft Design • Introduction to model rocket
design, building and launch • Satellite (12 ounce CanSat)
subsystems • Introduction to circuitry,
electronics and soldering • Rocket trajectory – Theory and
numerics • Solid propellant rockets:
combustion and manufacturing • Space mission design • Working as a team • Engineering ethics • How to write a technical
report?
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 4
Circuit soldering Rocket construction
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DEPARTMENT OF AEROSPACE ENGINEERING 5
Payload Section: Mechanical Components
Triangular support
Triangular support
Circular plate
Circular plate
Payload support plate
Altimeter + camera + timer circuit
Camera + timer circuit
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 6
Payload Section: Electronics
Camera Timer Circuit
NC COM NO GND 12V +
-
Digital Camera
GND
ARM
OUT
APOGEE
MAIN
THIRD
ARM
IN
Parrot Altimeter
Relay
LM555
Outputs to Camera
P1
P2
Inputs from Altimeter
Timer circuit
Parrot altimeter
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DEPARTMENT OF AEROSPACE ENGINEERING 7
Launch Day
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DEPARTMENT OF AEROSPACE ENGINEERING 8
In-Flight Pictures
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DEPARTMENT OF AEROSPACE ENGINEERING 9
η = 0.8
η = 0.5
η = 0.2 η= 0.1
Rocket Performance: Theory
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DEPARTMENT OF AEROSPACE ENGINEERING 10
Rocket Performance: Numerics
Parachute opens
Prediction - no drag
Prediction - with drag
Measurements
Trajectory prediction using Matlab: Altitude vs. time
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DEPARTMENT OF AEROSPACE ENGINEERING 11
Flight Data Processing Altimeter data Accelerometer data
Numerical processing - Data smoothing - Numerical differentiation - Numerical integration
Comparison between computed and measured acceleration
histories
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DEPARTMENT OF AEROSPACE ENGINEERING 12
11-point star at head end!
“Real” Solid Propellant Rockets
UNIVERSITY OF ILLINOIS AT URBANA-CHAMPAIGN
DEPARTMENT OF AEROSPACE ENGINEERING 13
Thank you