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3. Drying by immersion frying
3.1 Definitions and principles
When immersing a wet product in a hot oil bath, assuming q oil > q eb of the product at a fixed p tot , the product receives heat by convection from the hot oil bath (figure 4 ). But as there is no potential for external diffusion of water vapor from the product to the oil, the heat received is used first to heat the wet product, until it boils, starting with the hottest outer surface. The steam is then emitted at the total pressure p tot prevailing around the product, i.e. that...
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Unit operations. Chemical reaction engineering
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Drying by immersion frying
Freeze-drying
Bibliography
Reviews
Journals dealing with the drying unit operation, independently of the product:
Chemical Engineering Science ;
Chemical Engineering Processing ;
Drying Technology Journal ;
International Journal of Thermal Science ;
Journal of Heat and Mass Transfer...
Software tools
Collection of psychrometry software http://www.linric.com
Online psychrometric calculation http://www.psychro.com
Commercial "Dryer 3 000" software [Windows, MacOSX or Unix/Linux], for calculating cereal tower dryers, by simulation using...
Events
IDS Congress: International Drying Symposium (number of the year)
International congress dedicated to drying. It takes place every two years, in a different host country. The proceedings of each congress are available for consultation.
Directory
AFSIA: French Drying Association for Industry and Agriculture
It brings together applied drying research centers, researchers and manufacturers in France. Its headquarters can change (in 2008, INSA Lyon). It organizes or participates in conferences, and produces its own publications (AFSIA publications).
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