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Concentrated solar still : ウィキペディア英語版 | Concentrated solar still
A concentrated solar still is a system that uses the same quantity of solar heat input (same solar collection area) as a simple solar still but can produce a volume of freshwater that is many times greater. While a simple solar still is a way of distilling water by using the heat of the sun to drive evaporation from a water source and ambient air to cool a condenser film, a concentrated solar still uses a concentrated solar thermal collector to concentrate solar heat and deliver it to a multi-effect evaporation process for distillation, thus increasing the natural rate of evaporation. The concentrated solar still is capable of large-scale water production in areas with plentiful solar energy. ==Performance== The concentrated solar still can produce as much as 20x more water than the theoretical maximum of a standard solar still and in practice, can produce as much as 30x the volume. For instance, with a solar collection area of 10 acres, a standard solar still operating at a typical 25% efficiency〔(【引用サイトリンク】url=https://www.engineeringforchange.org/static/content/Water/S00026/solar_distillation.pdf )〕 may produce as much as 27.8acre-ft/yr in a region with an average daily solar irradiation value of 21.6MJ/m². A concentrated solar still can produce more than 750acre-ft/yr in the same region with the same collection area.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Concentrated solar still」の詳細全文を読む
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