mae 2: introduction to aerospace engineering class design...
TRANSCRIPT
![Page 1: MAE 2: Introduction to Aerospace Engineering Class Design ...maeresearch.ucsd.edu/groups/nomura/2008-MAE-02-Class-Project.pdf · Fall, 2008 1 AEROSPACE Mechanical and Aerospace Engineering](https://reader034.vdocuments.us/reader034/viewer/2022052022/6036a0ee668ae537c4165341/html5/thumbnails/1.jpg)
1Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
MAE 2: Introduction to Aerospace Engineering
Class Design Project – Balloon-Sat
First-year aerospace engineering students work in teams to design, build, and fly multi-disciplinary payload experiments on balloon satellites to near-space. Students gain real-world engineering experience developing and assembling sub-systems on space flight critical systems.
Instructors: John B. Kosmatka & Keiko Nomura
Fall, 2008
Purpose / Goals:
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2Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
The Mission Plan
4 On-Board Payloads:
(1) Atmospheric Sensors: measure pressure, temperature, humidity, wind velocity, time, radiation, magnetic field, UVa, and UVb with altitude.
(2) Solar-Cell Efficiency with Altitude.
(3) UCSD Astronauts: Environmental chambers containing cockroaches, water-bears, and planeria.
(4) Horizontal and Vertical Cameras:continuous shots every 30 seconds
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3Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Twenty-Two Students in Six Sub-Teams
Project Advisor: John KosmatkaTA’s: Andrew Cavender and Zach LoveringLaunch Integrators: Strato-StarFlight-Day Field Assistant: Joel Kosmatka Sponsor: California Space Grant (Tehseen Lazzouni)
Team StudentFarah AhmedDavid Hernandez-IbarraPeter ReedDrew Tobias
David Gross Pranay SanganiJosiah White
Ty LeeRyotaro ShimizuKimberly Tomasino
Joseph DillonSarah LohmanRonald Jeter
Benjamin BancroftCasey BarrettDenise ChoiRandall HughesHyung Jin O
Owen EigenbrotMitchell NihonyanagiChristopher SchmidtKwok Yuen
Mission Control
Solar Cell Evaluation
Structure and Test
UCSD Astronauts
Atmospheric Sensors
Onboard Camera
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4Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Project Construction
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5Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Project Construction
Payload Bay HeatersStandard atmosphere models show linear cooling to (-70 oF) at stratosphere edge, then constant temperature (-70 oF) isothermal layer, followed by linear heating above 82,000 feet.
Payload heaters are required to warm sensors, cameras, and some astronaut capsules. Options:• Chemical (disposable vs reusable)• Electronic (long-lead development)
Reusable 130-degree heating in 15 seconds. One hour.
Reuse by boiling in water for six minutes (REI). UCSD
tests show no leakage in space vaccuum.
Air-activated seven hours of heating at 135 - 156 oF. (REI). Unknown Performance in space (no air, vaccuum).
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6Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Atmospheric Sensors and Solar Cell Efficiency
• Temperature
• Pressure and Humidity
• Wind Velocity
• Time
• Radiation (Geiger Counter)
• Solar Cell Evaluation
Installed chemical reusable hand-warmers to protect electronics
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7Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
UCSD Astronauts
Cockroaches & Planaria & Water-Bears
0.286” 85,0000Altitude (feet)
highlowRadiation
0.33414.7Pressure (psi)
-4090Temperature (oF)
near-spaceearthenvironment
Installed chemical reusable hand-warmers in some bug capsules
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8Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
On-Board Cameras
Top and Side Cameras
• Continuous Photo Shoot at 30-second intervals
• Installed reusable chemical hand-warmers to heat camera bodies
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9Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Launch Day (12/06/2008)
Plaster City, California
Salton Sea
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10Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Pre-Launch (Set-Up)
Plaster City, California
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11Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Pre-Launch (Final Assembly)
Plas
ter
City
, Cal
iforn
ia
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12Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Pre-Launch (Balloon Fill)
Plaster City, California
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13Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Pre-Launch (Tracking Station Set-Up)
Plaster City, California
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14Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Launch (11:50 AM)
Bottom View
Side View
Plaster City, California
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15Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (11:50:30 AM)
Side View
Bottom ViewPlaster City, California
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16Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (11:51:00 AM)
Side View
Bottom ViewPlaster City, California
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17Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (11:51:30 AM)
Side View
Bottom ViewPlaster City, California
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18Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (11:52:00 AM)
Side View
Bottom ViewPlaster City, California
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19Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (11:52:30 AM)
Side View
Bottom ViewPlaster City, California
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20Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (12:00:00 Noon)
Side View
Bottom View
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21Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (12:15:00 PM)
Side View
Bottom View
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22Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (12:30:00 PM)
Side View
Bottom View
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23Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (12:35:00 PM)
Bottom View
Side View
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24Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (12:45:00 PM)
Side View
Bottom View
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25Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (1:00:00 PM)
Side View
Bottom View
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26Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (1:08:00 PM)
84,000 feet
Side View
Bottom View
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27Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Looking North Over Salton Sea at 84,000 feet
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28Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (1:09:00 PM)
Balloon Burst –
Free-Fall Tumbling Begins
Side View
Bottom View
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29Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (1:38:00 PM)
30-minute Parachute Drop
Side View
Bottom View
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30Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight (1:39:00 PM)
Landing
Side View
Bottom View
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31Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Flight Summary (12/06/2008)
Plaster City, California
Salton Sea
Glamis, California
Altitude: 84,000 feet
Time: 1 Hour 51 MinutesDistance: 65 miles
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32Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Payload Recovery (1:46 PM)
Osborne Lookout (65 miles away)
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33Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Hike with GPS Tracking (3:11 PM)
2.2 mile hike into desert nature preserve
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34Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Payload Found (4:00 PM)
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35Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Payload Recovered
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36Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
March Out of the Desert
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37Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
On-Board Cameras Were Still Recording
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38Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Post-Flight Studies
Altitude vs Time
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39Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Post-Flight Studies
Pressure vs Altitude
Measured
Standard atmosphere models show exponential reduction in pressure with increasing altitude
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40Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Post-Flight Studies
Temperature (oF) vs Altitude
Measured
Standard atmosphere models show linear cooling to stratosphere edge, then constant temperature isothermal layer, followed by linear heating above 82,000 feet
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41Fall, 2008
AEROSPACEhttp://aerospace.ucsd.edu/ Mechanical and Aerospace Engineering Department, University of California, San Diego
Post-Flight Studies
Cockroaches survived• -40 oF,
• space (0.333 psi) pressure,
• space radiation
Planaria Worms survived•space radiation