| 摘要 |
<p>Cavities 4 are defined within an engine nacelle 1 with an inner surface 2 and an outer surface 3. Within these cavities 4, an evaporatable liquid 5 is arranged such that a proportion of the liquid 5 is in a gaseous phase in order to facilitate heat transfer between the inner surface 2 or the outer surface 3 and a hot surface. The liquid condenses upon the inner surface 2 or the outer surface 3 and collects into a pool for subsequent further evaporation by the hot surface of an insulated gate bi-polar transistor or convertor/generator components in order to facilitate further cooling of electric components housed or arranged in the nacelle 1 or nearby.
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