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Results tagged with solar-energy
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user 12754
Use for questions about non-photovoltaic solar energy applications, such as passive solar heating or concentrated solar thermal power. For PV applications, use the photovoltaics tag instead.
0
votes
Most energy efficient way to decrease pressure
Doing this at scale, you have a closed-loop liquid solar heat concentrator loop. This transfers heat in sequence to several brine containers at different pressures - lower pressure in each one as the …
- 5,105
4
votes
Why are there no propane refrigerator air-conditioning units that run on solar heat?
It is a lot more efficient to convert the solar to electricity and run a decent heat pump for AC and normal refrigeration. Absorption refrigeration is expensive, bulky, not terribly versatile, and has …
- 5,105
1
vote
What materials to use indoors to absorb sunlight and store it as heat?
You are looking at the wrong end of the problem. As far as heat collection is concerned, all that matters is the choice of window arrangement and the glazing coatings. Once the sunshine is inside, it …
- 5,105
1
vote
Is Mostly-Passive Solar Desalination Possible in a Desert Climate?
A better overall system can be achieved by lowering the pressure in the evaporation chamber. This way, captured heat isn't lost to the environment because the whole thing runs at ambient temps or ther …
- 5,105
4
votes
Why isn't heatpump technology used for solar collector panels and boiler tanks?
You can't tie these two systems together because the demands on them are pretty much independent of one another. They each need to operate according to their own run schedule. The HVAC system runs bas …
- 5,105