Wind turbine analysis procedure

Héctor Lodoso · March 2, 2016, 08:24

Hello.

I am completely new at this forum so first let me thank you all for your posts and all they have helped me just reading.

My question is: how do they obtain the torque and rotation speed for each wind velocity at the inlet in a horizontal axis wind turbine? (to obtain power output)

Is my first time doing this kind of job and I am alone in my company with this.

So I read, I have more or less extracted they tend to separate it into 2 different stages: first, they obtain the torque in a set of different steady states shots, and then, using a 6dof transient case is possible to get the rotation speed when all is stabilized. Is this it, or am I completely wrong?

I would appreciate very much some light over this topic.

mrswordf1sh · March 3, 2016, 06:43

You have to define rotational speed by yourself. If you are using FLUENT, you define it under "cell zone conditions - select the rotating frame - frame motin tick - write rotational speed = rad/s"

After you simulate it, you should calculate the torque from: results - forces - moments - select rotational direction (enter 1) and compute.

Hope it helps

Héctor Lodoso · March 3, 2016, 11:58

Thank you, but not.

I would like to know the roadmap to follow for the whole process, the steps companies usually do, and not the technical issues related with Fluent.

Do you have this info?

March 2, 2016, 08:24	Wind turbine analysis procedure	#1
Héctor Lodoso New Member Héctor Lodoso Join Date: Oct 2015 Location: Spain Posts: 15 Rep Power: 10	Hello. I am completely new at this forum so first let me thank you all for your posts and all they have helped me just reading. My question is: how do they obtain the torque and rotation speed for each wind velocity at the inlet in a horizontal axis wind turbine? (to obtain power output) Is my first time doing this kind of job and I am alone in my company with this. So I read, I have more or less extracted they tend to separate it into 2 different stages: first, they obtain the torque in a set of different steady states shots, and then, using a 6dof transient case is possible to get the rotation speed when all is stabilized. Is this it, or am I completely wrong? I would appreciate very much some light over this topic.

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March 3, 2016, 06:43		#2
mrswordf1sh Member numan Join Date: Sep 2014 Posts: 30 Rep Power: 11	You have to define rotational speed by yourself. If you are using FLUENT, you define it under "cell zone conditions - select the rotating frame - frame motin tick - write rotational speed = rad/s" After you simulate it, you should calculate the torque from: results - forces - moments - select rotational direction (enter 1) and compute. Hope it helps

March 3, 2016, 11:58		#3
Héctor Lodoso New Member Héctor Lodoso Join Date: Oct 2015 Location: Spain Posts: 15 Rep Power: 10	Thank you, but not. I would like to know the roadmap to follow for the whole process, the steps companies usually do, and not the technical issues related with Fluent. Do you have this info?