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A windpump replaced by a solar-powered pump at a water hole in the Augrabies Falls National Park. [Notes 1] This solar water pump up to 3.7 kW is useful for farmers.Solar-powered pumps run on electricity generated by photovoltaic (PV) panels or the radiated thermal energy available from collected sunlight as opposed to grid electricity- or diesel-run water pumps. [1]
NASA patented a type of solar-powered Stirling engine on August 3, 1976. It used solar energy to pump water from a river, lake, or stream. [1] The purpose of this apparatus is to “provide a low-cost, low-technology pump having particular utility in irrigation systems employed in underdeveloped arid regions of the earth…[using] the basic principles of the Stirling heat engine“.
In the article by Burney et al. (2010) [6] another use for solar energy that has been proposed is the Photovoltaic- (or solar-) powered drip irrigation (PVDI) system [which] combines the efficiency of drip irrigation with the reliability of a solar-powered water pump... [Where the] PV array powers a pump (either surface or submersible ...
Rope pumps are cheap to build and easy to maintain. One design of rope pump using a solar-powered rope pump can pump 3,000 litres to 15 meters per day using an 80 watt solar panel. [1] Rope pumps can be powered by low speed gasoline/diesel engines, electricity, [2] human energy, [3] wind [4] and solar energy. [1]
Water production is proportional to the area of the solar surface and solar incidence angle and has an average estimated value of 3–4 litres per square metre (0.074–0.098 US gal/sq ft). [2] Because of this proportionality and the relatively high cost of property and material for construction, distillation tends to favor plants with ...
The solar power production capacity through PV panels produces 39 kW on the 3 hectares area with 1350 m 2 growing area. [8] The greenhouses are 15 degrees cooler than the outside temperatures which enables the production up to 130,000 of kg of vegetables per year and up to 20,000 liters of fresh water per day. [ 8 ]
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