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A
fourth type of heat exchanger uses an intermediate
fluid or solid store to hold heat, which is then
moved to the other side of the heat exchanger to be
released. Two examples of this are adiabatic wheels,
which consist of a large wheel with fine threads
rotating through the hot and cold fluids, and fluid
heat exchangers. This type is used when it is
acceptable for a small amount of mixing to occur
between the two streams. See also: Air preheater. |
