Aseptic processing of liquid/particulate foods
نویسندگان
چکیده
A generalized analytical solution to the set of coupled energy balance equations governing heat transfer in a system comprised of uniform radius spherical particles, with nonuniform initial temperature, heated in a well mixed liquid with time varying temperature, is initially derived. Based on this solution, analytical equations describing the temperature evolution for both fluid and particles, during processing of liquid/particulate food systems in a typical aseptic processing line, consisting of a heating, a holding, and a cooling section, are explicitly given. Sample calculations, illustrating the effect of the convective heat transfer coefficient at the particle surface, as well as the overall heat transfer coefficient between the liquid and its surroundings, are included.
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