Fundamentals of Food Process Engineering pp 135-182 | Cite as

# Heat Transfer

## Abstract

Heat transfer is the movement of energy from one point to another by virtue of a difference in temperature. Heating and cooling are manifestations of this phenomenon, which is used in industrial operations and in domestic activities. Increasing energy costs and in some cases inadequate availability of energy will require peak efficiency in heating and cooling operations. An understanding of the mechanisms of heat transport is needed in order to recognize limitations of heating and cooling systems, which can then lead to adoption of practices that circumvent these limitations. In industrial and domestic heating and cooling, energy use audits can be used to determine total energy use and energy use distribution within the process, to identify areas of high energy use, and to target these areas for energy conservation measures.

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