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December 24, 2013, 08:09
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negative efficiency of centrifugal pump
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#1 |
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New Member
Rohit Adhav IIT Madras
Join Date: Aug 2013
Posts: 10
Rep Power: 12  |
please help someone.
my simulation is converging without showing any reverse flow. but the result is negative efficiency negative head generated flow rate is ok. |
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December 25, 2013, 23:22
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Please help somebody..i am still sttuck.
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#2 |
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New Member
Bitte56
Join Date: Mar 2013
Location: India
Posts: 15
Rep Power: 13 |
please help somebody..
I tried every possibility.. changing mesh, boundary condition time step factor ... and what not... thanks from heart.. !! |
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December 26, 2013, 04:18
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#3 |
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Super Moderator
Glenn Horrocks
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 17,696
Rep Power: 143 |
Are you sure you have the rotation and torque vectors defined correctly? And the flow set up correctly? Have you manually calculated the rotor torque and rotation to check it makes sense?
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| ansys cfx13, convergence problem |
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