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Vertical Profiling of Atmospheric Ozone

This document outlines the critical design review for a vertical profiling experiment focused on atmospheric ozone levels. Developed by students Sarah Kampf, Keith Nunn, and Brian Webb at Western State College of Colorado, this project aims to design and build a lightweight, energy-efficient photometer to measure ozone concentration vertically as a function of altitude. The project includes a mission description, goals, system requirements, mass and power budget, and project organization. It also emphasizes cost-effective methodologies and NASA benefits.

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Vertical Profiling of Atmospheric Ozone

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  1. Vertical Profiling of Atmospheric Ozone Critical Design Review Western State College of Colorado Sarah Kampf Keith Nunn Brian Webb 04/02/04

  2. Overview • Mission Description • Mission Goals • System Requirements • System Overview • Mass Budget • Project Organization • Budget • Schedule

  3. Mission Description • To Design and Build a Light Weight, Energy Efficient Photometer • To Obtain a Vertical Profile of Ozone Concentration as a Function of Altitude

  4. Mission Goals and NASA Benefits • To Develop an Understanding of Ozone Concentration as a Function of Altitude • To Develop a Cost Effective Method to Measure Ozone Concentration as a Function of Altitude • To Develop a Clear Understanding of Photometric Analysis • Demonstrates ability to measure ozone profile in a Mars-like environment

  5. System Requirements • Low Pressure Mercury Lamp • Emission Spectrum Includes a line at 253.7nm • Interference Filter Centered at 253.7nm • Shield Photodiode Detector From Ambient Light • Fans Placed at Inlet and Outlet to Ensure Adequate Sampling • Ozone Concentration Measured Continuously as a Function of Altitude • Temperature and Pressure Measurements Recorded During Flight • All Data Stored on Board Using a HOBO Data Acquisition System

  6. System Overview

  7. Mass Budget • 2129cm2 Plexiglas =1000g • Mercury Lamp = 115g • Two Fans = 41g • HOBO = 27g • Mirror = 13g • Two Detectors = 82g • Three Solar Panels = 84g • Six Volt Power Source = 92g • Optical Filter = 4g ----------- • Total Mass =1458g

  8. Power Budget • Low Pressure Mercury Lamp 4 Watts

  9. Budget • Corona Discharge Ozone Generator (Calibration) = $ 120.00 • 30L Liquid Nitrogen (Calibration) = $ 30.00 ---------------- • Calibration Sub Total = $ 150.00 • Light Source = $ 50.00 • Two Fans = $ 10.00 • HOBO Data Acquisition System = $ 80.00 • Pressure Sensor = $ 250.00 • Two Ultraviolet Detectors = $ 160.00 • Three Photovoltaic Panels = $ 20.00 • Optical Filter = $ 100.00 • Lucite - 3000cm2 = $ 10.00 ---------------- • Instrument Sub Total = $ 680.00 • Project Total = $ 830.00

  10. Project Organization • Team Members • Keith Nunn • Sarah Kampf • Brian Webb • In Memory of Mike Roberts 1982-2004 • Faculty Advisor • Dr. Theodore Violett

  11. Schedule • Complete instrument design - 04/07/2004 • Complete instrument assembly - 04/15/2004 • Complete instrument calibration - 05/01/2004 • On site visit - 07/2004 • Launch - 08/07/2004

  12. Special Thanks • Dr. Theodore Violett (Western State College) • Dr. Dale Orth (Western State College) • Colorado Space Grant

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