Boiling With Forced Circulation

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Chapter: Pharmaceutical Engineering: Heat Transfer

In many systems, movements other than those caused by boiling are imposed.


BOILING WITH FORCED CIRCULATION

In many systems, movements other than those caused by boiling are imposed. For example, boiling in agitated vessels is common in many batch processes. The boiling heat transfer coefficients depend on the properties of the liquid, the nature of the surface, and the agitation used. Coefficients obtained are slightly higher than those of pool boiling. Inside tubes, the pattern of forced circulation boiling is similar to that described in the previous section. Coefficients, however, are higher because the velocities attained are higher.

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