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HEAT TRANSFER COEFFICIENT IN ENERGY-INTENSIVE PROCESSES OF SUNFLOWER OIL
Abstract
Oilseed processing technologies include a sequence of intensive multiple heat treatments of seeds, oil and intermediate products. The optimization of these processes largely determines not only the price, but also the quality of the final products. Heat and mass transfer in multiphase multicomponent media are very complex. It is not yet possible to build adequate models of all processes theoretically. The thermophysical properties of the media under study change significantly with heating and changing pressure. New varieties of oilseeds with a different chemical composition are supplied for processing. The experimental study of thermal processes remains the only reliable source for obtaining the necessary information. In that work presents the results of experimental studies on the intensity of heat transfer in bulk, solid media (sunflower seed kernel and meal) and liquid viscous medium (sunflower oil). The method used in this work is based on the theory of «regular thermal regime» by Professor G.M. Kondratiev. Data on heat transfer for sunflower kernels, sunflower meal, and high-oleic sunflower oil were obtained for the first time. Data on the intensity of heat transfer will be useful in calculations when designing equipment for the production and processing of vegetable oils.
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