9/20/2010

Aspen HYSYS Dynamics User Guide

http://www.cadfamily.com/downinfo/301257.html

The conservation relationships are the basis of mathematical
modeling in Aspen HYSYS. The dynamic mass, component, and
energy balances that are derived in the following section are
similar to the steady state balances with the exception of the
accumulation term in the dynamic balance. It is the
accumulation term which allows the output variables from the
system to vary with time.

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