Request: horizontal axis wind turbine

fadel_n · October 18, 2013, 13:19

Hello guys I am new to this forum. I have a senior project and I am using ANSYS Fluent to simulate the wind turbine.
I am confused of how to start. I read a lot of tutorials and videos and do them but when I start with mine I lost.
I want to make a wind tubine that rotate according to the speed of the winf hitting the blades showing this simulation.
I tried to do dynamic mesh but I don't know if its correct. I tried to do UDF to allow the blades to rotor, also I don't reach what I need. I am reallly lost if you please help me how to start doing this.
What I am sure of is that I must have a transient state.
best regards
thanks

mezah · October 19, 2013, 09:19

Try rotating frame of reference concept which is done by rotating the whole domain with certain RPM while the air at certain velocity enter the domain, then measure the output torque, then calculate the power using it.

fadel_n · October 19, 2013, 12:44

thanks mezah for your reply
but i need more details on how to start. In addition i only have the wind speed and i need the wind speed to rotate the blades not to assume the rotational velocity

mezah · October 20, 2013, 15:43

I think this post here is very good starting point

http://www.cfd-online.com/Forums/flu...eshes-udf.html

October 18, 2013, 13:19	Request: horizontal axis wind turbine	#1
fadel_n New Member Fadel El-Naamani Join Date: Oct 2013 Posts: 2 Rep Power: 0	Hello guys I am new to this forum. I have a senior project and I am using ANSYS Fluent to simulate the wind turbine. I am confused of how to start. I read a lot of tutorials and videos and do them but when I start with mine I lost. I want to make a wind tubine that rotate according to the speed of the winf hitting the blades showing this simulation. I tried to do dynamic mesh but I don't know if its correct. I tried to do UDF to allow the blades to rotor, also I don't reach what I need. I am reallly lost if you please help me how to start doing this. What I am sure of is that I must have a transient state. best regards thanks

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October 19, 2013, 09:19		#2
mezah New Member Hazem Join Date: Jan 2013 Posts: 23 Rep Power: 13	Try rotating frame of reference concept which is done by rotating the whole domain with certain RPM while the air at certain velocity enter the domain, then measure the output torque, then calculate the power using it.

October 19, 2013, 12:44		#3
fadel_n New Member Fadel El-Naamani Join Date: Oct 2013 Posts: 2 Rep Power: 0	thanks mezah for your reply but i need more details on how to start. In addition i only have the wind speed and i need the wind speed to rotate the blades not to assume the rotational velocity

October 20, 2013, 15:43		#4
mezah New Member Hazem Join Date: Jan 2013 Posts: 23 Rep Power: 13	I think this post here is very good starting point http://www.cfd-online.com/Forums/flu...eshes-udf.html