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Human-Powered Human-Powered Potable Water StillPotable Water Still
A2A2Nate BarberaNate BarberaKatie KimarKatie KimarRyan ReisRyan Reis
Connie SlabochConnie Slaboch
Status of DesignStatus of Design
Friction
Generator
Status of DesignStatus of DesignTarget MarketTarget Market
Emergency situationEmergency situation
2 Target Groups2 Target Groups Individuals/small familiesIndividuals/small families Emergency companiesEmergency companies
• Red Cross, FEMA, National GuardRed Cross, FEMA, National Guard
Status of DesignStatus of DesignDesign RequirementsDesign Requirements
RequirementRequirement MinimumMinimum TargetTarget
Volume of HVolume of H220 0
Production in Production in 30 minutes30 minutes
200 mL200 mL 500 mL500 mL
Energy OutputEnergy Output 58 kJ58 kJ MaxMax
Number of usesNumber of uses 2020 3535
Status of DesignStatus of DesignDesign RequirementsDesign Requirements
RequirementRequirement TargetTarget MaximumMaximum
SizeSize L + G L + G ≤ 2.1 m≤ 2.1 m L + G L + G ≤ 4.2 m≤ 4.2 m
WeightWeight 20 lbs20 lbs 40 lbs40 lbs
Assembly TimeAssembly Time 5 min5 min 10 min10 min
Run TimeRun Time 20 min20 min 30 min30 min
Water Quality Water Quality (SG)(SG) 1.001.00 1.011.01
Status of DesignStatus of DesignDesign RequirementsDesign Requirements
CostCost Number of partsNumber of parts Energy inputEnergy input LifetimeLifetime
Last Week’s ItemsLast Week’s Items
Feasibility of heating conceptsFeasibility of heating concepts Generator – YES! – Motor donatedGenerator – YES! – Motor donated Friction – YES! – Glass and AluminumFriction – YES! – Glass and Aluminum
Feasibility of vacuumFeasibility of vacuum YES! – Only low vacuum neededYES! – Only low vacuum needed
Design of vacuumDesign of vacuum Condensing coneCondensing cone
Talk to expertsTalk to experts Leon, Dr. Schafer, Electric motor companiesLeon, Dr. Schafer, Electric motor companies Dr. Brownell, Salvage yardsDr. Brownell, Salvage yards
Next Week’s ItemsNext Week’s Items
Decide on heating sourceDecide on heating source Do some experimentsDo some experiments
Find time to evaporate 500 mL of HFind time to evaporate 500 mL of H2200 Test in potTest in pot
Assign Trade StudiesAssign Trade Studies Depend on heating sourceDepend on heating source Begin researching for themBegin researching for them
Show-stoppersShow-stoppers
Unable to generate enough power or heatUnable to generate enough power or heat
Takes too long to evaporateTakes too long to evaporate
ScheduleSchedule
Questions?Questions?