Could someone explain why the mass flow monitors are showing unrealistic values?

avinashnairavinashnair Member Posts: 1

I'm simulating an airflow into the enclosure through the inlets as shown. based on the hand calculations for a velocity of 5m/s, the mass flow rate should be around 0.375 kg/s . But I'm getting unrealistic values at the inlet as well the exit when I'm using monitors for flow rates. i have attached some screen shots of the geometry as well as the monitor plot.


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  • RobRob UKPosts: 11,730Forum Coordinator
    Accepted Answer

    Staff are not permitted to open attachments so please repost. Check the domain extents too: you may have inadvertently scaled the domain.

  • RobRob UKPosts: 11,730Forum Coordinator
    Accepted Answer

    :) Don't worry, I've seen a few of those over the years. I think the best was the silo with natural convection and 1400m/s gas velocities: the silo was 9km high......

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