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March 2015 (published: 27.02.2015)
Number 1(23)
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Heat transfer in the Scraped Surface Heat Exchangers in the processing
of viscous fluidswithnon-Newtonianproperties
Krupoderov А.U., Nikolaev L.K.
Keywords: vessel, heat exchanger,stirring devices, food products, viscosity, thermal resistance, heat transfer.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
Heat transfer in the Scraped Surface Heat Exchangers in the processing
of viscous fluidswithnon-Newtonianproperties
The use of heat exchangers with a scraped surface is most advisable in the implementation of production processes associated with the heat treatment of viscous fluids. Considerable amounts of viscous fluids, including the majority of viscous food products, have non-Newtonian characteristics. The main advantage of such apparatus is the turbulence in the boundary layer of the product, which is especially important in the production processes associated with cooling, so the viscosity of some fluids increases by dozens of times. In addition, the structural and mechanical properties of the fluid has anomalous viscosity can change significantly during mechanical treatment. The article deals with the studies of a number of authors in the field of heat transfer equipment with a scraped surface in the processing of abnormally viscous fluids. This article describes the impact of the equipment design features on the efficiency of heat transfer. The article discusses the factors that are able to impede heat transfer.
Read the full article
Read the full article
Keywords: vessel, heat exchanger,stirring devices, food products, viscosity, thermal resistance, heat transfer.
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License