Introduce a torque on Fluent

  • Last Post 4 weeks ago
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 4 weeks ago

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 4 weeks ago

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