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Preliminary Design Review “The Distribution of Ionizing Radiation with Altitude”

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Preliminary Design Review “The Distribution of Ionizing Radiation with Altitude”. Left to Right: Tom L.- Payload James Z.- Construction Izzy S.- Audio Visual Youssef B.- Program Manager Dr. Marintsch - Head Mentor Randall H. - Safety Aldo F. - Outreach/Publicity

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Presentation Transcript
slide1

Preliminary Design Review

“The Distribution of Ionizing Radiation with Altitude”

Left to Right:

Tom L.- Payload

James Z.- Construction

Izzy S.- Audio Visual

Youssef B.- Program Manager

Dr. Marintsch - Head Mentor

Randall H. - Safety

Aldo F. - Outreach/Publicity

Paul T. - Rocket design

Not in Photo: Mr. D. Laney,

Mr. M. Loughlin

St. Thomas High School, Houston, TX

http:// rocketry.sths.org

slide2
Agenda

•Mission Statement and Goals

•Launch Vehicle and Payload Summary

•Vehicle Body System

•Propulsion System

•Recovery System

•Payload System

•Payload Experiment

•Planning of System Tests

•Safety

•Budget and Outreach

slide3

mission statement and goals

Mission Statement

Our mission is to supply accurate data about cosmic radiation by building a safe and functioning rocket that can provide ample time for data collection.

Goals

•Reach an altitude of one mile.

•Payload records data on ionizing radiation.

•Both parachutes deploy at predetermined altitudes.

•Land within one square mile.

•Rocket retrievable with payload intact.

•Shed light on radiation variation with altitude.

slide4
launch vehicle and payload summary

Vehicle:

Length - 90” Mass with Motor - 10,038 g

Diameter - 5.40” Stability Margin - 2.11

Motor - K560W Launch System - 1.5”x1.5” (10’)

Recovery:

Drogue – 28” at Apogee

Main – 120” at 1500 ft.

Payload Experiment Summary:

Measure levels of cosmic radiation with altitude through the use of Geiger Mueller Tubes whose data will be correlated with time and altitude.

slide5
SYSTEMS

Vehicle Body

Propulsion

Recovery

Payload

slide6

(1) Vehicle Body System

•Modified LOC Precision Magnum 3e

•Three Body Tubes (5.40”- size needed for payload)

Lower (31”) – K560W, Drogue, G10 Fins, Camera

Middle (28”) – Payload Bay, Canards

Upper (11”) – Main Chute

•Nose Cone (21”)

GPS Transmitter

slide7
(2) Propulsion System

•Motor: Aerotech K560W

•Thrust / Weight: 5.7:1(Thrustcurve) [560N / (10 kg x 9.8m/s2)]

5.1:1(Rocksim) [497N / (10 kg x 9.8m/s2)]

•Velocity off Launch Rod: 59.5 ft/s

•Rail Length: 10 ft

•Burn Time: 4.6 s

slide8
(3) Recovery System

Drogue Chute

• 28” LOC Precision

•Deployed at Apogee (18.3 s)

•Perfectflite Dual Deployment Altimeter

Main Chute

•120” Public Missiles

•Deployment at 1500 ft (70.8 s)

•Perfectflite Dual Deployment Altimeter

Landing

•Landing at 158 s

•Velocity at Landing: 19.3ft/s(V); 10.3ft/s(H); 21.9ft/s(M)

slide9
(4)Payload System

Within Middle Body Tube

•Bay #1 - Geiger Mueller Tubes.

•Bay #2 - Circuit Board and Processor, Gamma-Scout Geiger Counter.

•Bay #3 - Two Altimeters – Linked to ejection charges at either end of Payload Bay.

Within Nose Cone

•GPS Transmitter

Outside of Lower Body Tube

•Videocamera

slide10
payload experiment

Hypothesis

After consideration of the effects due to terrestrial radiation, we would expect the counts to increase with elevation as the net absorption of Secondary Cosmic Radiation by the atmosphere decreases.

slide11
payload experiment

Significance

(1) Radiation is measured with altitude using 12”-long Geiger Mueller Tubes expected to record up to 400 cpm over 140 s of descent and 18 s of ascent.

(2) Radiation levels are suggested to be associated with changes in atmospheric conditions (such as cloud formation and global warming; chlorine production and ozone depletion)

(3) Radiation levels are linked to the breakdown of DNA in organic tissue and so merit further study.

slide12
planning of system tests

•Payload – Geiger Counters and (a) consistency of data collection, (b) background counts, (c) isolation of ray sources.

•GPS – Locality tracking.

•Recovery – Ejection charges and chute deployment. Safety and RF Signals.

•Propulsion – (a) Inspection of parts, (b) assembly supervision.

•Vehicle – Scale model launch.

•Camera – Video testing.

slide13
safety plans

Prior to each project phase:

Review system risks and mitigations.

Review Safety Codes.

Pass test on Safety Procedures.

Sign Safety Statement.

slide14
budget and outreach

Budget

Current major purchases

• Geiger Counter with data storage ($445) • Rocket Parts ($295)

• Geiger Mueller tubes ($200) • GPS System ($450)

Subtotal $1390

Imminent Purchases

• 120” parachute ($190) • Video camera ($100)

• Five additional GM tubes ($570) Subtotal $860

Outreach

• Continued exploration of fund raising strategies. Current preparation of Informational Flyers/Brochures.

• Formulation of presentation/workshop strategies.