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Solar Water Heater

Solar Water Heater. Ross King, Mark Luke. Understand. The purpose of this project was to heat water by using the sun’s rays. We are able to use any material necessary to create a water-tight container to keep the water from leaking, while being heated.

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Solar Water Heater

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  1. Solar Water Heater Ross King, Mark Luke

  2. Understand • The purpose of this project was to heat water by using the sun’s rays. • We are able to use any material necessary to create a water-tight container to keep the water from leaking, while being heated. • We decided to use copper tubes to help heat up the water faster while it is in the container.

  3. Material List • Cardboard box • Empty gallon jug • Newspaper • Packing peanuts • Aluminum pan • Plastic lid • Plastic Tubing • Black Spray Paint • Copper Tubing • Temperature Gauge • File • Sealant

  4. Explore Ideas: • Bendable copper tubes • Straight copper tubes • Aluminum container (hold the water) • Have the water flow through the tubes • Have the water flow around the tubes • Box filled with newspaper and a gallon of water to supply the container with water • Instead of a gallon of water use a large jug to contain the water

  5. Explore Example of a solar water heater

  6. Define We found out the most efficient solution for the container was to have the box full of newspaper and have two gallon containers for the water. We also decided to use straight copper tubing, instead of bendable copper, so the heater wouldn’t cost as much.

  7. Ideate We decided to use straight copper tubes and spray paint it black

  8. Prototype

  9. Prototype

  10. Prototype Container with Insulation Water Heater

  11. Refine • Added lots of sealant around the copper and plastic tubes, to keep it from leaking. • We also decided to add another gallon jug to have more water stored.

  12. Solution 30 Minute Test 5 Hour Test

  13. Analysis of Test • The water heater was successful in heating the water • The heater could have worked better if the sky did not become cloudy around hour 4 • The heater continued to heat the water after it became cloudy • Some of the heating may be due to the fact that the heat was trapped inside the heater because of the lid.

  14. Solution • Overall, the heater was a success but both parts together failed as the water leaked through the entrance to the heater. • The heater did work, but it was not very efficient and would not work large scale. • The insulated container worked by it self as well, but the connection between the two parts failed.

  15. Solution • If we could do this differently, then we would have made the pan more watertight. • We also would have made the copper bars lower to the bottom of the pan. • If we had more of a budget, we would have bent the copper tubing to make an S shape in the pan and have the water flow through that.

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