In relation to fluid properties, superheat is any condition where a fluid is above its boiling temperature at the system pressure. Examples:
Air at ambient temperatures and pressures is superheated.
Steam at 1 barg and 200degC is superheated.
Refer to a set of steam tables for more insight on this topic.
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The elephant is a funny bird. It flits from bough to bough. It lays its eggs in a rhubarb tree and whistles, like a cow - Spike Milligan.