Project HUSP:Project HUSP:HHumidity/umidity/UUV-c V-c SSensor ensor PPayloadayload

Team ParroTeam Parro

Presentation of Flight ResultsPresentation of Flight Results

NSBF, Palestine, TXNSBF, Palestine, TX

Team MembersTeam Members

Josh Hignight – Project manager and Josh Hignight – Project manager and software developmentsoftware development

Jason Rollins – Responsible for electrical Jason Rollins – Responsible for electrical work including power consumption, sensor work including power consumption, sensor interfacing, electrical design, and balloon interfacing, electrical design, and balloon sat testingsat testing

Matt VanKerhkove – Thermal design and Matt VanKerhkove – Thermal design and acquisition of parts for thermal needs, as acquisition of parts for thermal needs, as well as thermal testingwell as thermal testing

Tim Butler – In charge of things dealing with Tim Butler – In charge of things dealing with construtionconstrution

Project ProposalProject Proposal

Using a humidity, UV-c, and Using a humidity, UV-c, and temperature sensor, Team Parro will temperature sensor, Team Parro will plot a graph of absolute humidity vs. plot a graph of absolute humidity vs. altitude, UV-c vs. altitude, and UV-c altitude, UV-c vs. altitude, and UV-c vs humidity, in a hope to see a spike vs humidity, in a hope to see a spike in absolute humidity at the upper in absolute humidity at the upper boundaries of the ozone layer due to boundaries of the ozone layer due to an increase in UV-c. an increase in UV-c.

ScienceScience

• Ozone layer ≈Ozone layer ≈19-48 km high19-48 km high

• UV-c cannot UV-c cannot penetrate ozone penetrate ozone

layerlayer• Temperature rises Temperature rises

where the where the ozoneozone beginsbegins

ScienceScience

• Ozone absorbs UV between 200nm and Ozone absorbs UV between 200nm and 310nm310nm

• This breaks up the ozone from This breaks up the ozone from

OO33 → O → O22 + O + O • The O then forms with water to form two The O then forms with water to form two

hydroxyl molecules hydroxyl molecules O O + H+ H22O → 2HOO → 2HO

• Each of these OH’s then form with Each of these OH’s then form with methane, and other pollutants to form methane, and other pollutants to form water.water.

HumidityHumidityNASA’s UARS Project

Humidity and Temperature Dependence

Present Data on Humidity vs. Altitude

SensorsSensors HOBOHOBO®®

Boston Electronic Boston Electronic UV sensor JEC.01CUV sensor JEC.01C

DesignDesign

The payload consist of two boxes, a UV sensor, The payload consist of two boxes, a UV sensor, HOBO, balloon sat circuit board (includes EEPROM HOBO, balloon sat circuit board (includes EEPROM chip, and processor), an analog to digital chip, and processor), an analog to digital converter, a 741 op-amp to buffer our UV sensor, converter, a 741 op-amp to buffer our UV sensor, and a Lucite window.and a Lucite window.

The balloon sat circuit board resides in the smaller The balloon sat circuit board resides in the smaller box and connect to the sensors through the ADC. box and connect to the sensors through the ADC. HOBO will be outside of both the inner and outer HOBO will be outside of both the inner and outer box, while the UV sensor will remain inside the box, while the UV sensor will remain inside the larger box.larger box.

Hand warmers will be placed inside the larger box Hand warmers will be placed inside the larger box to keep the temperature above the electronics to keep the temperature above the electronics operating temperature.operating temperature.

Payload ConstructionPayload Construction

SoftwareSoftware

Our program will read Our program will read our UV sensor form our UV sensor form CH2 of the ADC every CH2 of the ADC every 3.25 seconds.3.25 seconds.

After every read, the After every read, the current address current address counter will be saved counter will be saved into address 0 of the into address 0 of the 24128w6.24128w6.

Before each read, the Before each read, the program will check program will check itself and shut down if itself and shut down if there is not enough there is not enough free space.free space.

TestingTestingy = 1.9073x - 0.0408

0

0.05

0.1

0.15

0.2

0.25

0 0.02 0.04 0.06 0.08 0.1 0.12 0.14

Mission OperationsMission Operations

The software will be run and the box The software will be run and the box sealed. The sensors will then begin sealed. The sensors will then begin collecting data and will continue to collecting data and will continue to do so until recover or when memory do so until recover or when memory is full. The payload will then be is full. The payload will then be recovered and the data collected recovered and the data collected from the EEPROM chip via a serial from the EEPROM chip via a serial connection.connection.

Data Acquisition and AnalysisData Acquisition and Analysis

The data will be retrieved by running a The data will be retrieved by running a program to print out the stored data program to print out the stored data onto the debug screen. The data will onto the debug screen. The data will then be copied and pasted into excel then be copied and pasted into excel where it will be calibrated and where it will be calibrated and plotted.plotted.

BudgetBudget

Foam Board: ~$5Hand Warmers: ~$4.50Sensors:~$132Electronics: ProvidedLucite: FreeWire: ~$10Batteries: ~$20Total: ~$160

Expense Budget

Object Weight(g)Electronics: 107Inner Box: 78.5Outer Box: 142.75HOBO 20Hand Warmers: 66Battery: 60Lucite 20Sensors:NegligibleTotal Weight: 494.25

Object PriceWeight Budget

EEPROM: 40mAADC: 15mA24128w624128w6 : 3mUV sensor: noneTotal mA58mATotal running time: 41 hours

Power Budget

Sources for Facts and FiguresSources for Facts and Figures

SensorSensor http://content.honeywell.com/sensing/prodinfo/humiditymoisture/009012_2.pdfhttp://content.honeywell.com/sensing/prodinfo/humiditymoisture/009012_2.pdfhttp://www.sensorsmag.com/articles/0701/54/main.shtmlhttp://www.sensorsmag.com/articles/0701/54/main.shtml

ScienceSciencehttp://www.igac.noaa.gov/newsletter/21/measurements.phphttp://www.igac.noaa.gov/newsletter/21/measurements.phphttp://www.es.lancs.ac.uk/casestud/case13.htmhttp://www.es.lancs.ac.uk/casestud/case13.htmhttp://www.indiana.edu/~climate/g470/Lectures/Humidity/MoistAir.htmlhttp://www.indiana.edu/~climate/g470/Lectures/Humidity/MoistAir.htmlhttp://www.indiana.edu/~climate/g470/Lectures/Humidity/MoistAir.htmlhttp://www.indiana.edu/~climate/g470/Lectures/Humidity/MoistAir.htmlhttp://www.grida.no/climate/ipcc_tar/wg1/080.htmhttp://www.grida.no/climate/ipcc_tar/wg1/080.htm

NASA related projects and infoNASA related projects and infohttp://svs.gsfc.nasa.gov/stories/humidity_20040315/index.htmlhttp://svs.gsfc.nasa.gov/stories/humidity_20040315/index.htmlhttp://msis.jsc.nasa.gov/sections/section05.htmhttp://msis.jsc.nasa.gov/sections/section05.htmhttp://science.hq.nasa.gov/missions/satellite_25.htmhttp://science.hq.nasa.gov/missions/satellite_25.htmhttp://aqua.gsfc.nasa.gov/http://aqua.gsfc.nasa.gov/http://earthobservatory.nasa.gov/http://earthobservatory.nasa.gov/http://www.nasa.gov/home/hqnews/2003/dec/HQ_03394_water_map.htmlhttp://www.nasa.gov/home/hqnews/2003/dec/HQ_03394_water_map.html

http://www.nasa.gov/home/hqnews/2004/mar/http://www.nasa.gov/home/hqnews/2004/mar/HQ_04090_satellite_finds_warming.htmlHQ_04090_satellite_finds_warming.html

http://www.nasa.gov/centers/dryden/pdf/88488main_H-2147.pdfhttp://www.nasa.gov/centers/dryden/pdf/88488main_H-2147.pdf

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Questions ?