3. Intensification of exchanges during vaporization of a liquid phase
The exchange mechanisms at work in an evaporator are extremely diverse and complex; as a corollary, the principles and techniques for increasing exchange coefficients when evaporating a fluid are extremely varied and require a great deal of study to understand and evaluate.
In this paragraph, after a brief review of transfer mechanisms in evaporators, we report on the most significant results obtained in the study and use of exchange enhancement in evaporation.
3.1 Wall drying phenomena
Regardless of the type of evaporator under consideration, it is necessary to distinguish between those areas of the exchange surface that are actually wetted by the liquid and those that are dry. We know that this phenomenon can occur in different circumstances....
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Intensification of exchanges during vaporization of a liquid phase
Intensification of exchanges during condensation of a vapour phase
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