Problemwith lift coefficient - tidal turbine

stokesy · March 5, 2015, 11:43

I believe to have simulated the conditions correctly following a number of tutorials pointing in the same direction towards the shape of the boundary but what I'm trying to achieve are the accurate lift and drag coefficients. They seem to be off by a factor relating to the density i.e when the density is changed from air to water, the outputs seem to be a multiple of this factor. Should this be the case?

LuckyTran · March 6, 2015, 00:00

If you are using the lift and drag coefficients reported by Fluent, make sure you have the right reference values.

stokesy · March 6, 2015, 03:54

I believe to ave the reference values correct? purely based on the density? which is the density of water?

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March 6, 2015, 00:00		#2
LuckyTran Senior Member Lucky Join Date: Apr 2011 Location: Orlando, FL USA Posts: 5,673 Rep Power: 65	If you are using the lift and drag coefficients reported by Fluent, make sure you have the right reference values.

March 6, 2015, 03:54		#3
stokesy New Member Join Date: Feb 2015 Posts: 4 Rep Power: 11	I believe to ave the reference values correct? purely based on the density? which is the density of water?