1. Starting Student Space Hardware Programs - V
A How-To Workshop
Starting Student Space Hardware Programs - V
Environments
@ 30 km
July 12-15, 2006
Background image taken at 100,000 feet by a participant from 2004 Workshop

3. Environments at 30 km: • How high do commercial jet fly?
• How high is the ozone layer?
• What are the layers of the atmosphere?
~10 km
~20 to 50 km

4. Environments at 30 km: • Troposphere • Stratosphere • Mesosphere
• Thermosphere

5. Environments at 30 km:
Capt. Joe W. Kittinger jumps from a balloon at 102,800 feet
Forgot to mention, he exceeded the speed of sound with his body

6. Environments at 30 km:
Temperature varies in all directions as you climb through the different layers of the atmosphere
Why?
Solar Radiation (UV, IR)
- Ozone Absorbs
- Surface Heats
- Convection

7. Environments at 30 km: - Temperature can dip to -80°C
- Biggest killer of past missions
- Easy, repeatable science
Burst (30 km)
Landing
Launch
Coldest
Tropopause

8. Environments at 30 km:
- You need to do something to keep your systems warm
- Colorado history has shown payloads (batteries) begin to fail below -5°C
- Hand warmers don’t work well without air (O2)
- You will use an active heater

9. Environments at 30 km:
• BalloonSats can do real science at 100,000 feet
• Discoveries can be made
• Atmospheric studies can be done
• Engineering challenges are extreme
• Enough unknowns to catch the mind of students

10. Starting Student Space Hardware Programs - V
A How-To Workshop
Starting Student Space Hardware Programs - V
Questions?
July 12-15, 2006
Background image taken at 100,000 feet by a participant from 2004 Workshop