Air Lubrication on Ship Hull

Air Lubrication on Ships in ANSYS

Hello all,

I’m a 3rd year undergrad student in MechE. For my fluids class, I have a final project in which I have to explore “Fluid Machines to help reduce energy consumption”. One of the options is Fluidic Air Lubrication (FAL). 

I have a little bit of background in CFD, as I’m the Aero lead for our uni’s solar car team. I’ve ran CFD on ANSYS Fluent for our CAD models multiple times, and I understand the general math behind it pretty decent.

For this project I was thinking to do a 2D simulation with a ship hull, one with FAL and one without. I could then measure the coefficient of drag in both. My question is, how would I go about actually implementing this “air bubble” under the ship hull in ANSYS? All the previous CFD work ive done has never involved any lubricants, so I’m a little bit lost. 

Any help would be great! Thanks :)

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