Heat is defined in physics as the transfer of thermal energy across a well-defined boundary around a thermodynamic system. It is a characteristic of a process and is not statically contained in matter. In engineering contexts, however, the term heat transfer has acquired a specific usage, despite its literal redundancy of the characterization of transfer. In these contexts, heat is taken as synonymous to thermal energy. This usage has its origin in the historical interpretation of heat as a fluid (caloric) that can be transferred by various causes, and that is also common in the language of laymen and everyday life.
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Book Description Prentice Hall, 1987. Hardcover. Book Condition: New. Bookseller Inventory # P11002321600X
Book Description Macmillan Coll Div, 1987. Hardcover. Book Condition: New. Bookseller Inventory # DADAX002321600X