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2. Radiation drying
2.1 Different types of radiant energy supply
The various sources of electromagnetic radiation that can be used to heat the product and provide it with the energy to vaporize the water required for drying are discussed below. It should be added that convective exchanges with the air around the product in the dryer (depending on its temperature, speed and rate of renewal) and the presence (or absence) of a closed enclosure around the product and/or the rate of air renewal in the enclosure are all part of the drying problem, but are too often neglected.
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Radiation drying
Drying by immersion frying
Bibliography
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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...
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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.
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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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