Cheapest solar water heater : Portable heater battery.
Cheapest Solar Water Heater
- An appliance for supplying hot water for purposes other than space heating or pool heating.
- Water heating is a thermodynamic process using an energy source to heat water above its initial temperature. Typical domestic uses of hot water are for cooking, cleaning, bathing, and space heating. In industry, both hot water and water heated to steam have many uses.
- (cheaper) biligari? ( buhy-lee-ar-ee? )
- (of prices or other charges) Low
- (cheapness) tastelessness by virtue of being cheap and vulgar
- (of an item for sale) Low in price; worth more than its cost
- Charging low prices
- (cheapness) bargain rate: a price below the standard price
- Relating to or denoting energy derived from the sun's rays
- relating to or derived from the sun or utilizing the energies of the sun; "solar eclipse"; "solar energy"
- "Solar" is a musical composition attributed to Miles Davis on the studio album Walkin', considered a modern jazz standard. There is disagreement concerning the exact pronunciation of the tune (|?sol?r| or |?solar|).
- Of, relating to, or determined by the sun
- Solar is an American fictional comic book character. Originally known as Doctor Solar, Man of the Atom, he first appeared in a comic book published by Gold Key Comics in the 1960s.
Solar water heater prototype 2 - internals
This is the second prototype for heating water with solar energy. This design was used because it is much cheaper than the first design (involving only some aluminum, glass, and silicon). This prototype taught us that such a design requires more reinforcements to support the weight of the water, such as thicker glass. We also learnt that the supports must be rigid so that the glass is not stressed by twisting. That seems obvious, but there was a slight irregularity in the support which cased the glass to fracture when we tested it. This design is technically delicate!!! (again, thankfully it was cheap to make)
Solar water heater
The trash can is about 3/4 full of water. Filled it from the garden hose this morning. It was at 70 F. at 9 a.m. Now warming up nicely and it will be about right for Pookie's bath in another 2-3 hours. (Unlike the macho canines, she prefers temperate bath water.)
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