lagrangian multiphase analysis

Marco

Hi !

I am using Star-CCM+ and I am doing lagrangian multiphase analysis for tracking grease droplet particles.

I am simulating a simple pipe with 1 inlet and 1 outlet, and the other boundaries are set to "rebound" condition, so all the particles will escape throw the outlet.

I want to calculate the quantity of particles leaving the domain, and I aspect that is the same that I inject, but it is not !!! I do a sum report of Incident mass flux on Outlet, and I multiply it for the outlet area to obtain the mass flow rate. The value that I obtain is 100 times higher than inlet value, how it is possible ? There is any other way to calculate the particle mass that leaves the domain ?

thanks in advance to everybody ...

Marco