Quizzed article | REF: BE9515 V1

Heat exchangers ? Definitions and general principles

Author: André BONTEMPS

Publication date: January 10, 2014, Review date: June 25, 2021 | Lire en français

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    1. General definitions

    The most general definition of a heat exchanger is that of a device for transferring heat from a source to a sink. The source and sink may consist of a fluid flow (the most common case), or a fluid and a solid (a frequent occurrence in electronic cooling). In either case, the fluid or fluids exchange heat with an exchange wall, which may be the wall separating the fluids or the surface of the solid in contact with the fluid. There are also heat exchangers with direct contact between the fluids.

    Two main classes can be distinguished

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