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Re: "Mass flow is out of fan curve's range" warning message
I've had simular problems with the fan tool. In the end I found a working point close enough to the fan curve and satisfied there, even though the warning was still there.
Following your thread to see if any solution appears.
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Re: "Mass flow is out of fan curve's range" warning message
Siavash Khajehhasani
Jul 5, 2018 7:26 PM
If you fan operating in stall region, it affects the stability of fan and accordingly the outcome. You could stay away from that region by modifying your boundary condition. On the other hand, you could also add some extra points to fan cure in a way following the curve trend (a reasonable estimation) to see if the issue is this.
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Re: "Mass flow is out of fan curve's range" warning message
Hi Siavash
Could you be more specific about "You could stay away from that region by modifying your boundary condition" - you meant extending the comp domain or something else. Because after extending beyond the enclosure the analysis becomes external, and the domain has to be quite big not to encounter the other issue - the vortexes.
I encountered the above problem a couple of times and could tell you that adding points to the fan curve never helped
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Re: "Mass flow is out of fan curve's range" warning message
Siavash Khajehhasani
Jul 11, 2018 10:45 AM
By boundary condition, I did not mean computational domain. I am referring to fan flow rate/velocity etc if possible to alter.