Solar heating in buildings by using a large storage water tank
This paper shows the feasibility of implementing solar heating in Bariloche (3,600 degrees/day, 8.4°C mean annual temperature) through heat pipe collectors and water contained in insulated water tanks for further use through floor heating systems. Dynamic thermal models are used to optimize the syst...
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| Format: | Online |
| Sprache: | spa |
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Revista INVI
2018
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| Online Zugang: | https://revistainvi.uchile.cl/index.php/INVI/article/view/62870 |
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| Zusammenfassung: | This paper shows the feasibility of implementing solar heating in Bariloche (3,600 degrees/day, 8.4°C mean annual temperature) through heat pipe collectors and water contained in insulated water tanks for further use through floor heating systems. Dynamic thermal models are used to optimize the system in order to meet 13,000 kWh annual demand, which represents both a 50m2 single-family, non-insulated affordable housing unit (260kWh/m2) or a 100m2 insulated unit (130 kWh/m2.) Such a demand could be met through five standard collectors, each containing 20 pipes (2,088m2, opening area), and a 63m3 tank at a cost of USD 27,000 or eight collectors and an 11m3 tank at a cost of USD 11,650. This paper discusses the reasons why Bariloche, whose mean temperature is similar to that of developed countries located in cold areas, achieves more economical solutions such as: a) the use of vacuum collectors instead of flat-plate collectors; b) properly distributed solar resources and heat demand; and c) an affordable type of water tank that enables proper insulation. This study concludes there is potential for the implementation of this technology in large parts of South America requiring heating solutions. |
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