PRESCAD / Technical Notes: Pressure drop

En un sistema tancat de canonades on fluix un líquid impulsat per una bomba, això estarà subjecte a una pressió determinada.   Resistència al pas del fluid Quan es requereix eliminar qualsevol contaminant, s'instal·la un filtre o filtre, amb els elements de filtre respectius, que poden ser una malla o cistell, bossa o cartutx de metall. Tanmateix, el sistema de filtre instal·lat farà certa resistència al pas del fluid. Aquesta resistència significarà una pèrdua de pressió entre l'entrada i la pressió de sortida...

PRESCAD / Technical notes: Differences Between Nominal and Absolute Filtration

PRESCAD / Technical notes   In the filtration of liquids there are two criteria that are used to define the efficiency with which a filter can retain particles with a certain micration. These criteria are called Nominal Filtration (NF) and Absolute Filtration (AF).   Differences Between Nominal and Absolute Filtration Each filter is designed to remove particles of a certain micron size. There are situations in which it is required that absolutely all particles greater than a certain micron have to be retained by this...


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