1. Definitions

1.1 Pressure definition and units

There are several equivalent definitions of pressure, depending on the field of physics under consideration. In mechanics, it is defined as the ratio of the force perpendicular to a surface (pressing force) to the surface area:

with :

...

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Principles

Bibliography

DE ROECK (A.), SILA (D.N.), DUVETTER (T.), VAN LOEY (A.), HENDRICKX (M.) - Effect of high pressure/high temperature processing on cell wall pectic substances in relation to firmness of carrot tissue. - Fodd Chem., 107, p. 1225-1235 (2008).
GEKKO (K.) - Effects...