| 摘要 |
A thermal storage apparatus is provided which in use is arranged to contain a heat transfer fluid and a thermal storage medium, being immiscible and of differing densities. The thermal storage apparatus comprises a vessel for containing a layer of heat transfer fluid in contact with a layer of thermal storage medium, and a charging loop including an inlet nozzle having a mouth. The charging loop is arranged to supply cool heat transfer fluid into the vessel directed at least partially into the layer of thermal storage medium and the inlet nozzle is shaped such that heat transfer fluid flowing therethrough operatively draws thermal storage medium into the mouth thereof. The thermal storage apparatus described provides good mixing of cooled heat transfer fluid with thermal storage medium, minimal blockages in the charging loop and allows good separation of the heat transfer fluid and thermal storage medium. In addition to the thermal storage apparatus, an inlet nozzle, a vessel and a method for charging a thermal storage apparatus are also described.
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