Solar Collector System for Heating Water in Dubai- Viessmann
Solar collectors convert solar radiation to heat, which they
transfer to a medium (water, solar fluid, or air). The concept is to explain
solar hot water panels, while it can also refer to more complicated structures
like solar parabolic, solar troughs, and solar towers.
Water is heated by sunlight in solar collector hot water systems. Solar heating systems may supply up to 70% of the home hot water demand at temperatures up to 60 °C in low geographical latitudes (below 40 degrees).
Types of Solar Collectors
Solar collectors come in various forms but are all
built on the same basic principles. In general, a material is used to gather
and concentrate solar energy so that it can be utilized to heat water. The
simplest of these systems surrounds water-flowing pipes with a black substance.
The dark substance effectively absorbs sunlight, heating the water it
surrounds. Although it's a pretty straightforward design, collectors can get
very intricate. Absorber plates can be utilized if a high-temperature increase
is not required. However, devices that focus sunlight using reflective
materials typically cause a higher temperature increase.
Flat-plate collectors
These strong solar collector
flat-plate have the potential to conserve up to 60% of the energy needed annually
for DHW heating. You can reduce your overall energy use by more than a third
when using solar energy in connection with a condensing boiler.
Vacuum tube collector
Utilizing solar collector
energy requires the employment of absorbers with highly selective coatings.
These coatings enable the collection of a significant amount of solar energy,
resulting in high efficiency. The vacuum inside the tubes also acts as a very
efficient thermal insulator. As a result, there are no losses between the glass
tubes and the absorber, allowing the collector to transform even low quantities
of solar radiation into usable energy. Especially in the spring and fall and
during the colder months of the year, vacuum tube collectors utilize the
available insolation quite effectively.
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