Solar Powered Water Distillation Device Eric Frasch, Mike Santorella, Mikio Yanagisawa, Stephen Coffrin Mohammed Advisor: Professor Taslim Problem Statement Over 1 billion people without access to clean water worldwide 26.8% in Africa Clean water essential to stop spread of disease & improve overall health Solar energy = untapped resource
Project Statement Design low cost, solar powered water distillation device for coastal areas of Africa without access to clean drinking water Project Goals Solar powered Affordable 2-4 gallons per day Practical Efficient Easy to clean Water Distillation Process that removes impurities & contaminants How?
Heat water to point of vaporization Water vapor condenses on cooler surfaces Condensate runs off into collection bin Patent & Periodical Research Results Beneficial Ideas Troughs Water height < 2 cm Mirrors Beneficial Information Asymmetrical superior to other designs 30% more efficient Market Search
The Water Cone El Paso Solar Energy Association (EPSEA) Aid Project Not currently in production Estimated cost $400$600 Very low output Built & supplied by aid organization Rainmaker 550TM Unit Cost $479.00
Thermal Circuit Energy balance at water, glass, and air inside Spreadsheet program developed Inputs Output temperatures Results: 2 gallon output requires ~ 1 m2 Thermal Circuit Validation Est. Solar Rad: 1.8 kWhr/m2 Input 2 L Output 200 mL Windspeed, T, and other inputs entered
into program 2nd Prototype Results: Twater > Tair > Tglass > T Design Outline Input Tank Float Valve Reflective Walls Insulation Troughs Collection Unit Adjustable Legs Output Tank Basin Features
Mirrors Slotted tray Float Valve Troughs Min. volume with max. surface area Black body surface Easy to level Adjustable legs Mounted levels Max. water depth: 1.5 2 Bubble Level cm Regulated by float valve
Easy cleaning Wipe down tray with cloth Output Tank Input & Output Features Input Tank Input Preheated water tank Tube leading to float valve/basin Output Collection mechanism Stored under basin Easy to remove tank Float Valve Collection
Unit Design Overview Cost: $379.77 Highly insulated no heat loss Mirrors to reflect radiation Small bodies of water Self regulating water level Easy cleanup / collection Future Plans Test Final Prototype Decrease manufacturing costs ~ $90.00 Mold numerous parts Buy parts in bulk Market Design
Red Cross Mercy Corps UNICEF (United Nations International Children's Emergency Fund) WV (World Vision) Questions? Cost Analysis Material Costs Item 2"x 4"x 96" Lumber 2' x 4' Poplar Plywood 6 Mil Poly Sheeting Adhesive Type 1 Adhesive Type 2 Stainless Steel Screws 4' x 8' x 7/16" OSB 4' x 8' x 2" Insulating Foam Sheet 4' x 8' x 1" Insulating Foam Sheet
6 Pack 12" x 12" Mirrored Tiles Door Handle Tie Plates Hinge Pack of Wood Screws 2 Door Catches Sealant 2 pack of Line Levels Pack of Cable Ties 30" x 36" x 1/8" Glass Panel 2 Gallon Gasoline Can 5 Gallon Gasoling Can Rafter Hangers 24" x 36" x 0.093" Acrylic Sheet Hollow Wall Anchors Washers 10' Roll of Weather Stripping Float Valve Roll of Fiberglass Insulation Cost of Material Used Qty Price ($)
Item 2"x 4"x 96" Lumber 2' x 4' Poplar Plywood Adhesive Type 1 Adhesive Type 2 4' x 8' x 7/16" OSB 2" Insulating Foam Sheet 1" Insulating Foam Sheet 6 Pack 12" x 12" Mirrored Tiles 30" x 36" x 1/8" Glass Panel 24" x 36" x 0.093" Acrylic Sheet Float Valve Roll of Fiberglass Insulation 175.00 $ 379.77 Importance of Solar Power UN Climate Change Conference (Indonesia)
Attempting to agree to curb the amount of greenhouse gas emissions The Earth's atmosphere is being changed at an unprecedented rate by pollutants resulting from wasteful fossil fuel use ... These changes represent a major threat to international security and are already having harmful consequences over many parts of the globe.... it is imperative to act now. Emphasizes the importance of using renewable resources Solar Energy - Boston December Average Value 1530 Whr/m2 Solar Energy - Somalia Average Value 6000 Whr/m2
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Battle of Trafalgar ... Fleet Cape St. Vincent Nelson arrived off Cadiz to join Collingwood Nelson's frigates watched while he cruised off shore in an attempt to draw the Combined Fleet In response to a threat from landward Napoleon ordered...
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