Vertical Profiling of Atmospheric Vertical Profiling of Atmospheric OzoneOzone

Critical Design ReviewCritical Design Review

Western State College of ColoradoWestern State College of Colorado

Sarah KampfSarah Kampf

Keith NunnKeith Nunn

Brian WebbBrian Webb

04/02/0404/02/04

OverviewOverview Mission DescriptionMission Description Mission GoalsMission Goals System RequirementsSystem Requirements System OverviewSystem Overview Mass BudgetMass Budget Project OrganizationProject Organization BudgetBudget ScheduleSchedule

Mission DescriptionMission Description

To Design and Build a Light Weight, Energy To Design and Build a Light Weight, Energy Efficient PhotometerEfficient Photometer

To Obtain a Vertical Profile of Ozone To Obtain a Vertical Profile of Ozone Concentration as a Function of AltitudeConcentration as a Function of Altitude

Mission Goals and NASA BenefitsMission Goals and NASA Benefits

To Develop an Understanding of Ozone Concentration as a To Develop an Understanding of Ozone Concentration as a Function of AltitudeFunction of Altitude

To Develop a Cost Effective Method to Measure Ozone To Develop a Cost Effective Method to Measure Ozone Concentration as a Function of AltitudeConcentration as a Function of Altitude

To Develop a Clear Understanding of To Develop a Clear Understanding of Photometric AnalysisPhotometric Analysis

Demonstrates ability to measure ozone profile in a Mars-Demonstrates ability to measure ozone profile in a Mars-like environmentlike environment

System RequirementsSystem Requirements

Low Pressure Mercury Lamp Low Pressure Mercury Lamp – Emission Spectrum Includes a line at 253.7nmEmission Spectrum Includes a line at 253.7nm

Interference Filter Centered at 253.7nmInterference Filter Centered at 253.7nm– Shield Photodiode Detector From Ambient LightShield Photodiode Detector From Ambient Light

Fans Placed at Inlet and Outlet to Ensure Adequate Fans Placed at Inlet and Outlet to Ensure Adequate SamplingSampling

Ozone Concentration Measured Continuously as a Ozone Concentration Measured Continuously as a Function of AltitudeFunction of Altitude

Temperature and Pressure Measurements Recorded Temperature and Pressure Measurements Recorded During FlightDuring Flight

All Data Stored on Board Using a HOBO Data Acquisition All Data Stored on Board Using a HOBO Data Acquisition SystemSystem

System OverviewSystem Overview

Mass BudgetMass Budget

2129cm2129cm22 Plexiglas Plexiglas =1000g=1000g Mercury LampMercury Lamp = 115g= 115g Two FansTwo Fans = 41g= 41g HOBOHOBO = 27g= 27g MirrorMirror = 13g= 13g Two DetectorsTwo Detectors = 82g= 82g Three Solar PanelsThree Solar Panels = 84g = 84g Six Volt Power SourceSix Volt Power Source = 92g= 92g Optical FilterOptical Filter = 4g= 4g

---------------------- Total MassTotal Mass =1458g=1458g

Power BudgetPower Budget

Low Pressure Mercury Lamp 4 WattsLow Pressure Mercury Lamp 4 Watts

BudgetBudget Corona Discharge Ozone Generator (Calibration)Corona Discharge Ozone Generator (Calibration) = $ 120.00= $ 120.00 30L Liquid Nitrogen (Calibration)30L Liquid Nitrogen (Calibration) = $ 30.00= $ 30.00

-------------------------------- Calibration Sub TotalCalibration Sub Total = $ 150.00= $ 150.00

Light SourceLight Source = $ 50.00= $ 50.00 Two FansTwo Fans = $ 10.00= $ 10.00 HOBO Data Acquisition SystemHOBO Data Acquisition System = $ 80.00= $ 80.00 Pressure SensorPressure Sensor = $ 250.00= $ 250.00 Two Ultraviolet DetectorsTwo Ultraviolet Detectors = $ 160.00= $ 160.00 Three Photovoltaic PanelsThree Photovoltaic Panels = $ 20.00= $ 20.00 Optical FilterOptical Filter = $ 100.00= $ 100.00 Lucite - 3000cmLucite - 3000cm2 2 = $ 10.00= $ 10.00

-------------------------------- Instrument Sub TotalInstrument Sub Total = $ 680.00= $ 680.00

Project Total Project Total = $ 830.00= $ 830.00

Project OrganizationProject Organization

Team Members Team Members – Keith NunnKeith Nunn– Sarah KampfSarah Kampf– Brian WebbBrian Webb– In Memory of Mike Roberts 1982-2004In Memory of Mike Roberts 1982-2004

Faculty AdvisorFaculty Advisor– Dr. Theodore ViolettDr. Theodore Violett

ScheduleSchedule

Complete instrument design - 04/07/2004Complete instrument design - 04/07/2004

Complete instrument assembly - 04/15/2004Complete instrument assembly - 04/15/2004

Complete instrument calibration - 05/01/2004Complete instrument calibration - 05/01/2004

On site visit - 07/2004On site visit - 07/2004

Launch - 08/07/2004Launch - 08/07/2004

Special ThanksSpecial Thanks

Dr. Theodore Violett (Western State College)Dr. Theodore Violett (Western State College)

Dr. Dale Orth (Western State College)Dr. Dale Orth (Western State College)

Colorado Space GrantColorado Space Grant