Hi , has any one thought of using EST for heating water on a small sailboat, would they be too fragile when exposed to the sea wind conditions
Evacuated tubes are between 100cm and 120cm (about 39 and 48 inches) in length, are made using glass tubes so require a large rigid and fixed support or mounting frame. The thickness of the pyrex type glass determines the strength, longevity and efficiency, as well as cost. So if you can find suitable EV tubes and manifold to mount on a boat, then why not, but they may crack in bad weather.
Dear Sir. According to my understanding there are 2 types of the direct flow evacuated tube collector solar water heaters. One is an integrated system where the collector tubes are directly connected into the water storage tank and the second is a manifold system where the collector tubes are separate from the water storage tank and the heated water goes from the collector tubes into the water storage tank through a single pipe.
My question is which of the 2 systems is more efficient/effective in producing hot water with minimum hours of sun light?
2. which of the 2 systems has less over night heat loss?
3. Which system has best storage efficiency in terms of general heat loss?
4. What is the best solution when you have 3-4 hours of sun in the winter 1 system of 500 litres or 2 systems of each 250 litres connected in series?
5. Is it generally always better to have 2 smaller systems connected in series or 1 single bigger system when you have 5-6 hours of sunlight?
What is more effective in terms of producing heat quicker and with least amount of heat loss, single system or 2 smaller systems connected in series? Very grateful for a quick answer. Best regards Kristian
it is possible to use vacumn tubes to heat air for déshydratation of frut in solar dehydrator. d you have somme information about this systems
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