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S pace C entered R eading of E ar A udibility M easurements

S pace C entered R eading of E ar A udibility M easurements. Josh Yeaton Kevin Dinkel Chris Kopacz Conrad Schmidt Chris Warren Dillon Thorse. PROJECT SCREAM PROPOSAL. 09.23.08. Mission Statement.

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S pace C entered R eading of E ar A udibility M easurements

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  1. SpaceCenteredReading of EarAudibilityMeasurements Josh Yeaton Kevin Dinkel Chris Kopacz Conrad Schmidt Chris Warren Dillon Thorse PROJECT SCREAM PROPOSAL 09.23.08

  2. Mission Statement • Ascend to an altitude between 25,000 – 30,000 meters to better understand how sound behaves in near space conditions. • It is a known fact that sound cannot be heard in the vacuum of space because sound waves require a transport medium. • We hypothesize that as our BalloonSat nears the silence of space, sound amplitude will decrease as a function of altitude. • We theorize that a 261.33 Hertz middle C, played at a constant decibel level on ground, will decrease in amplitude as altitude increases and air pressure decreases. • Project SCREAM shall also produce photographic images of the horizon of Earth using the digital camera provided.

  3. Design Concept • DIM: 30cm x 14cm x 14cm • Sound Chamber • Component Placement

  4. Weight Budget

  5. Price Budget

  6. Impact: Stair Test Drop Test Whip Test Systems: Components Test Dry Ice Test Testing

  7. Team Safety • Awareness. • Communication Techniques • Safety Glasses • Gloves • Structural Test Safety (bystanders and team members) • Vigilance Around Sharp Objects and Electric Currents

  8. General Proposal Requirements • All necessary systems such as the HOBO will be on board to take fundamental data readings. • The satellite will stay above zero degrees Celsius because of the on board heater and insulation. • Primary experiment is separate from the on board camera and HOBO data loggings. • Experiment will consist of a sound chamber, a sound emitter, and a sound receiver. • Satellite will be structurally sound so that all the experiments will be performed, logged, and retrieved.

  9. Launch Program • Team SCREAM will be ready to leave with our satellite at 0500 on November 27. • Team SCREAM will arrive at Windsor, Colorado at 0730 ready to launch. • 1.5 hours before the flight team SCREAM will do a systems and structures inspection. • Team SCREAM will then secure the satellite to the balloon by running the rope through the satellite. • A representative from Team SCREAM will hold the satellite in a line with the other satellites and release it when appropriate. • Team SCREAM will then locate the satellite. • Once team SCREAM has found the satellite they will turn off the systems and inspect it to see if there is any structural damage. • Team SCREAM will then secure the satellite in preparation to collect data. • Team SCREAM will eat a well-deserved lunch after a long day of launching and chasing.

  10. Recorder 12 V Battery Recorder Power Switch HOBO Pressure Sensor 9 V Battery 9 V Battery 9 V Battery Timer Switch Speaker Heater External Temp Camera Power Source HOBO Camera Speaker Power Systems Diagram

  11. Team Organization • Joshua Yeaton: Team Leader/Microphone and Speaker Configuration • Kevin Dinkel: Budget Organization/Structures • Dillon Thorse: Structures/Camera • Conrad Schmidt: Soldering/Electrical • Chris Kopacz: Structures/Camera • Chris Warren: Microphone/Speaker Configuration

  12. Team Organization (Cont.) • As all members of the team are aerospace engineering majors with little experience in their respective areas, these designations are somewhat flexible. • If anyone needs help with a specific assigned part of the satellite, the rest of the team will assist as needed.

  13. Schedule • Week 1, 9/15-9/21: All members work on proposal assignments. Presentation construction on 9/21. • Week 2, 9/22-9/28: Proposal due 9/23. Team Presentations 9/23. Complete proposal. • Week 3, 9/29-10/5: HW 05 due 10/02. Complete design for DD Rev A next week. Order hardware. • Week 4, 10/6-10/12: DD Rev A due 10/9. Start construction and begin testing. DD Rev B for next week. • Week 5, 10/13-10/19: DD Rev B due/Presentations due 10/14. Work on prepping for in-class demonstration of hardware. Final design prototyping. • Week 6, 10/20-10/26: Team in-class demonstrations 10/23. Complete building final design. • Week 7, 10/27-11/2: Final Testing. Cold test must be completed. BalloonSat completed on weekend.

  14. Schedule (Cont.) • Week 8, 11/3-11/9: In-class mission simulation 11/4 and 11/6 – BALLOONSATCOMPLETED. LRR Cards due 11/6. DD Rev C due 8:00 AM 11/6. Launch Prep. • Week 9, 11/10-11/16: Final BalloonSat Weigh-in and TURN IN 2:00 PM 11/14. LAUNCH DAY 11/15. LRR Presentations 11/11. Launch prep prior to launch. • Week 10, 11/17-11/23: Bring raw flight data 11/18. Process flight data. • Week 11, 11/24-11/30: Fall Break. Work on final presentation and DD Rev D. • Week 12, 12/1-12/7: DD Rev D Due 12/2. ALL presentations due 12/2. HW 06 Due.

  15. Team SCREAM’s Screamers • Having an audible/recordable sound • Lots of electronics, one heater enough? • Satellite weight, lots of bulky items • Testing, components are tightly packed, no room for movement/error • Recording Altitude?

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