rosa mitsumasu rebecca wagner jonathan steffens kevin harvey
TRANSCRIPT
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Rosa MitsumasuRebecca Wagner
Jonathan SteffensKevin Harvey
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Problem StatementClean drinkable water, the main source of life, is becoming a
scarce resource. Currently, 50% of communities in the developing world are exposed to polluted water sources.
Coastal communities have an abundant source of water in the ocean. However, this great source is not commonly utilized for the production clean, consumable water.
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Project DescriptionLow cost, easy to
reproduce device that uses solar energy to desalinate and purify water using the ocean as the primary source.
Target Market: Coastal communities in Peru.
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# The Product Needs to Imp
1 The device will Meet EPA Surface Water Treatment Standards 9
2 The device will Desalinate Water 9
3 The device will Filter Contaminants 9
4 The device will Supply enough water for a consumption for a family 9
5 The device will not Use electricity 9
6 Materials will be Corrosion Resistant 9
7 Materials will be Temperature Resistant 9
Needs Assessment
Water Quality and Output
Energy Source Materials Quality
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Needs Assessment
Availability & Cost
User friendliness
Safety & Robustness
# The Product Needs to Imp
8 Materials will be Locally Available 9
9 Materials will be Low Cost 9
10 Assembly will be Low Cost 9
11 Use will be Low Cost 9
12 Maintenance will be Low Cost 9
13 Use will be User Friendly 3
14 Assembly will be User Friendly 3
15 Maintenance will be User Friendly 3
16 The device will Not Burn 3
17 The device will Not have sharp edges 3
18 The device will Robust 3
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Engineering Specifications
# Needs Metric Imp Units Value
1 1, 6 Salt Concentration 9 mg/l *
2 2 BOD concentration 9 mg/l **
3 3 VOC Concentration 9 mg/l ***
4 3 Mineral Concentration 9 mg/l 500
5 4, 15 Water Output Quantity 9 liters/day 19
6 9, 10 Cost per Unit 9 $ < 60.22
7 11 Usage Cost 9 $ 0
8 12 Maintenance Cost 9 $ < 5
9 7, 8, 9 Temperature Resistance 9 C Y
10 18 Material Yield Strength 3 MPa >245
11 19 Sharp edges exposure 3 - No
12 4, 9, 14, 15, Unit Size 1 sq. meter <3.5
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Concept Description
Solar Distillation
UpwardWicking
Materials
Desalination / Purification Availability and Low Cost in Product Lifecycle
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Design Concept1. Housing2. Wick Hanging Mechanism3. Upward Wicking4. Top Feed5. Output Collection Rails6. Reflectors (optional)
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System ArchitectureContaminated
Salt Water
BASIN
HOUSING WICKFaster
Evaporation CondensationClean Drinkable Water
Evaporation Salts and Contaminants
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High Risk AssessmentOutput: The expected output is 19 liters of clean,
drinkable water per day.Evaporation on wick is difficult to modelUnit size based on ideal heat transfer scenario and
materials to optimize performance.
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Current Design State Current design meets all the customer needsEngineering Analysis is still being completedOne week behind schedule
Engineering Analysis is not completeBill of Materials is not finished
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BudgetComponent Material Qty Unit Price Extended
PriceHousing Rectangular Sides Acrylic Sheet 2 49.92 99.84Housing Triangular Sides Acrylic Sheet 2 49.92 99.84
Output Collectors Acrylic Sheet1 49.92 49.92
Top Feed Collector Acrylic Housing Base Acrylic 1 138.00 138.00
Wick Hanging Rod PP 1 9.03 9.03Wick Woven Polyester 1 15.90 15.90Basin Acrylic 1 49.92 49.92
Sealant Silicone 10 1.39 1.39Hinges Steel 2 12.30 24.60Hoses Rubber 2 5.00 10.00
TOTAL 1 (WITHOUT REFLECTORS) (US$) 498.44Reflecting Surface Tinfoil 2 - 4.00Reflector Support Wood 2 18 36.00
“legs” Wood - - -Manual Paper < 5 .10 .50
TOTAL (INCLUDING REFLECTORS) (US$) 538.94
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Timeline - Progress
MSDS I MSDS II
Phase 0: Planning
Phase 1: Concept Development
Phase 3: Detailed Design
Phase 2: System Level Design
Current State of Development
FinishedPrototype
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MSD II Project Schedule MilestonesMarch 17th (week 2):
Design finalized and all parts on order. April 18th (week 6) :
Functional alpha prototype (full featured)Design verification testing complete, initiate design, revisions
May 9th (week 9):Design Verification Testing Results CompleteDocumentation Finalized: DHF, Formal Paper, Poster
May 16th (week 10): Project Review - Phase 4 Completion
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Testing PlanWick Materials – For absorptivityHousing – Assembly improvementOutput – Contaminants concentration
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Questions?