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The LolliPump Gal, Shahar, Simonas 1 What is the Problem? 2 The picture that is relative to the problem 3 Transpiration Cohesion tension Osmosis 4 Ins and Outs of Tree Transportation • Phloem • Xylems 5 Pressure • Water evaporates • Creates low pressure • Pulls the water up 6 Our Goal • Distributing clean water to off-grid communities around the globe using transpiration The LolliPump Copper Wires Solar Panel Dome Tank Pipes 8 Wires 9 Calculations 𝑸 = 𝒎𝑪𝒑 𝚫𝑻 + 𝐦𝚫𝐇𝒗𝒑 m – Mass of the water: 1.5 ∙ 10−3 𝐿/𝑠 Cp − Specific heat in constant pressure: 4.2J ΔT − Temperature difference: 30℃ − 70℃ Δ𝐻𝑣𝑝 − Energy required to convert water from liquid to gas: 2260J Solar panel with area of 2 m𝟐 produces 1 kW/h • Result: 4.16 kW/h 10 10 Gas vs. LolliPump 11 Category/ System Price Danger Pollution Noise Lifespan Maintance Gas $24 year Flammable High High 2 years Weekly Solar Power $113 year None Low Low 15-20 years Monthly Costs • Pump • Initial cost - $300 • Yearly cost - $24 12 • LolliPump • Initial cost - $2000 • Yearly cost - $0 13 If you have any questions you can email us: • [email protected] • [email protected] • [email protected] 14 Backup slides • Capillary action (Cohesion Tension) 16 Osmosis 17 Phloem • In vascular plants, phloem is the living tissue that carries organic nutrients, in particular, sucrose, a sugar, to all parts of the plant where needed. 18