objective is to create a field deployable automated co 2 and n 2 o gas trapping device
DESCRIPTION
Objective is to create a field deployable automated CO 2 and N 2 O gas trapping device Trapping events occur every four hours Traps replaced after one month Components Flux Chamber Multiple Sub-chambers Desiccant Trap CO 2 Chemical Trap N 2 O Molecular Sieve Trap - PowerPoint PPT PresentationTRANSCRIPT
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Objective is to create a field deployable automated CO2 and N2O gas trapping device
Trapping events occur every four hours
Traps replaced after one month
Components
Flux Chamber
Multiple Sub-chambers
Desiccant Trap
CO2 Chemical Trap
N2O Molecular Sieve Trap
CO2 Molecular Sieve Trap
Rain-water Drop System
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ValvesManualSolenoid
PumpFlow Rate: 130 mL/min
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Servo MechanismMotor
Fan
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Materials in contact with the gases must be chemically inert and gas impermeableOuter Casing and Sub-chambers
White PVC – avoiding the greenhouse effectDesiccant Trap
Nafion TubingCO2 Chemical Trap
304 Stainless Steel TubingCarbosorb
CO2 and N2O Traps 304 Stainless Steel TubingMolecular Sieve 5A
TubingPEEK
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Assembly Criteria – small profile, sturdy, and easy to use
Airtight System Fittings and Adapters
CAD Drawings
Machined in the ME Shop
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Control of servos, solenoids, circulation fans, pumps
State machine pertaining phases of device operation
Error checking
Sensors provide information about device functionality
Allows for quick repair, operation during non critical failure
Governed by Microcontroller
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Programmable System on Chip (PSoC)
Visual, code-free embedded design
C language base
Manually edit code
CY3214-PSoCEvalUSB
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Demands of system
Operates unattended for weeks
Hours between samples
Microcontroller very demanding
The external timer
Battery decision
All-Battery.com
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CO2 and N2O levels will be used to determine impact of farmingThis will facilitate carbon credit trading on global scaleProfitable to farmersReduces wasteCost of end product is lowWill promote ecologically friendly farming practicesQuestions?