Modern Drying Technology, Experimental Techniques (Volume 2) by Evangelos Tsotsas, Arun S. Mujumdar PDF

By Evangelos Tsotsas, Arun S. Mujumdar

ISBN-10: 3527315578

ISBN-13: 9783527315574

Quantity of a five-volume instruction manual that offers a complete evaluate of all very important facets of recent drying know-how, proposing high-level, state of the art results.Volume 2 contains smooth experimental innovations similar to magnetic resonance imaging for dimension and visualisation of moisture profiles within the inside of porous our bodies in the course of drying, Raman spectroscopy for size of focus profiles through the drying of skinny films/coatings and analytical equipment for dimension of drying kinetics. different glossy experimental concepts lined contain sorption equilibria and moisture content material of person debris, ideas for the choice of significant caliber indices - sensible and structural houses - of dried items and instrumentation of contemporary drying apparatus and respective crops.

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Extra resources for Modern Drying Technology, Experimental Techniques (Volume 2)

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Then, a small carrier to which the sample is connected is set down on a support. Now the sample is decoupled from the balance. The suspension magnet is in a freely suspended state, and only its own weight is transmitted to the balance. This so-called zero point position, which corresponds to an empty balance pan in a normal weighing procedure, allows for taring and calibration of the balance at all times, even when recording measurements Fig. 1 Schematic representation of the MSB. 2 Magnetic Suspension Balance under process conditions in the measuring cell.

Since information on drying kinetics is usually not available, it has to be gained experimentally. In this case, it is not sufficient to measure the mass of moisture contained in the product at a certain point of time, but the change of this mass with time has to be resolved as accurately as possible. Additionally, the change of mass with time must refer to the single particle. The reason for this second requirement is that gas conditions change in particle systems. This results – even if every particle has exactly the same properties and the particles are perfectly mixed – in more or less significant differences between the drying kinetics of the entire particle system and the drying kinetics of the single particle.

The reason for this second requirement is that gas conditions change in particle systems. This results – even if every particle has exactly the same properties and the particles are perfectly mixed – in more or less significant differences between the drying kinetics of the entire particle system and the drying kinetics of the single particle. 2, with emphasis on the magnetic suspension balance. On the other hand, it is evident that measurements on single particles will give only very low signals and, hence, be confronted with severe limitations of resolution and accuracy, even when using very sensitive instruments.

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Modern Drying Technology, Experimental Techniques (Volume 2) by Evangelos Tsotsas, Arun S. Mujumdar


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