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Forum: CFX

August 28, 2012, 07:25

Replies: 28

shaft power versus RMP curve in wind turbine simulation

Views: 4,878

Posted By ghorrocks

I presume you are looking for the steady state...

I presume you are looking for the steady state operating condition - in that case, if the net torque is negative it simply means the rotor will decelerate, so the steady state speed is slower than...

Forum: CFX

August 27, 2012, 06:24

Replies: 28

shaft power versus RMP curve in wind turbine simulation

Views: 4,878

Posted By ghorrocks

Then you need to generate the turbine operating...

Then you need to generate the turbine operating curve.

Forum: CFX

August 26, 2012, 21:00

Replies: 28

shaft power versus RMP curve in wind turbine simulation

Views: 4,878

Posted By ghorrocks

If you already know the operating point, then you...

If you already know the operating point, then you not simulate that point, and check the torque it produces is correct? No need to generate an operating curve if you do not need it.

Forum: CFX

August 26, 2012, 07:11

Replies: 28

shaft power versus RMP curve in wind turbine simulation

Views: 4,878

Posted By ghorrocks

I have no idea what you mean by that. The...

I have no idea what you mean by that.

The method I recommend is quite simple - do a series of steady state (well, frozen rotor or other simple RFR model) at various rotation speeds and get the...

Forum: CFX

August 25, 2012, 20:56

Replies: 28

shaft power versus RMP curve in wind turbine simulation

Views: 4,878

Posted By ghorrocks

Before worrying about getting the speed/torque...

Before worrying about getting the speed/torque correct, have you done all the basic checks to ensure your simulation is accurate?
...

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