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Search took 0.00 seconds. Search: Posts Made By: ghorrocks
Forum: CFX March 17, 2017, 06:08
Replies: 14
Views: 8,551
Posted By ghorrocks
If the turbine is free spinning with nothing...

If the turbine is free spinning with nothing connected to it then simply find the speed at which it generates zero torque. That will be the steady state, free spinning speed.
Forum: CFX March 17, 2017, 04:10
Replies: 14
Views: 8,551
Posted By ghorrocks
The generator will have a performance curve, that...

The generator will have a performance curve, that is torque versus speed. Likewise the turbine will have a torque versus speed curve. Where these curves intersect (ie they are equal) is the steady...
Forum: CFX March 16, 2017, 17:38
Replies: 14
Views: 8,551
Posted By ghorrocks
The load torque is what it is driving. So the...

The load torque is what it is driving. So the generator or whatever is connected to it.
Forum: CFX December 3, 2013, 16:51
Replies: 14
Views: 8,551
Posted By ghorrocks
Using the rigid body solver for this is not...

Using the rigid body solver for this is not recommended. I explain why in post #2. Use a series of frozen rotor simulations at various speeds instead.
Forum: CFX May 28, 2013, 21:36
Replies: 14
Views: 8,551
Posted By ghorrocks
FAQ:...

FAQ: http://www.cfd-online.com/Wiki/Ansys_FAQ#Why_are_my_results_inaccurate.3F

And you will get more specific help on Fluent on the Fluent forum.
Forum: CFX May 2, 2013, 18:40
Replies: 14
Views: 8,551
Posted By ghorrocks
Try the fluent forum.

Try the fluent forum.
Forum: CFX May 17, 2012, 06:10
Replies: 14
Views: 8,551
Posted By ghorrocks
It is likely the device is accelerating and will...

It is likely the device is accelerating and will take a while to reach equilibrium. Rather than using the rigid body solver I recommend you do a series of steady state (well, frozen rotor actually)...
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