This book is of course no substitute for a complete literature survey and no compendium
on all data available in literature. On many occasions a selection had to be made from
a multitude of expressions. For instance, for the mass transfer to bubbles, drops and
particles, dozens of correlations are available. In those cases the most general correlation
or the expression most commonly used has been chosen.
This companion consists of four parts. The first part is general and gives information
varying from the Greek alphabet to calibration curves for thermocouples and pH ranges
of indicators.
The second part consists of frequently used mathematics. In addition to general
mathematical techniques, a selection of vectorial and tensorial calculus relevant to hydrodynamics
and elementary rheology has been added.
The third part is a compendium of the transport phenomena. A systematic arrangement
facilitates its use. The figures are in such a form that easy reading and accuracy are
combined.