Introduce a torque on Fluent

  • Last Post 24 January 2018
Andre posted this 16 January 2018

Hi, everyone!

I'm working on a project, giving by my teachers at the university, about a turbine engine. I'm trying to create a model to study Tesla turbine.

Tesla turbine is an unconventional turbine that uses fluid properties such as boundary layer and adhesion of fluid on series of smooth disks keyed to a shaft, like below.

I have the geometry and the mesh. But i want to impose a torque at the axis turbine on fluent. I have search in ANSYS help, but it isn't easy to understand. How can i do it?

I know, i can do it on CFX, but i never work with it, so i wanted to know if i can do it on Fluent.



(Design and Computational Analysis of 1 kW Tesla Turbine; Raunak Jung Pandey, Sanam Pudasaini, Saurav Dhakal, Rangeet Ballav Uprety, Dr. Hari Prasad Neopane - Department of Mechanical Engineering, Kathmandu University, Nepal)

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Raef.Kobeissi posted this 16 January 2018

Hello, Please check this video tutorial:

Raef Kobeissi

Andre posted this 23 January 2018

Thank you Raef Kobeissi!

I have another problem, now. Is about the convergence.

When i introduce pressure-inlet and pressure_outlet or outflow, the initialize solution don't converge. Is this a problem with the mesh? Or with the boundary conditions?



Raef.Kobeissi posted this 24 January 2018

Hello, Did you try to initialise from bounday instead of hybrid initialisation? If your mesh is coarse it could also be a problem. Regards

Raef Kobeissi