# Rotating frames for Turbomachine

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 March 6, 1999, 08:06 Rotating frames for Turbomachine #1 Apurva Shukla Guest   Posts: n/a Hello, I am looking for litreture on rotating frames for rotor stator interaction of turbo machines. I precisely want to know how we will calculate the fluxes at the block interface, when one block is moving and other stationary. I am using multiblock algorithm and using cartesian coordinate system instead of cylindrical coordinates. Please guide me on the above problem, I have gone through a lot of Papers, but I could not get the information about inteface flux calculation. Please also guide me on the numbering of the blocks when pitch is notsame for stator & rotor.

 March 8, 1999, 13:42 Re: Rotating frames for Turbomachine #2 John C. Chien Guest   Posts: n/a (1). for steady state 3-D, look under J.D. Denton or W.N. Dawes in ASME paper or Journal of Turbomachinery, (2). for transient 3-D, look for papers from NASA/Ames or NASA/Lewis research laboritories,(3). some commercial codes may have options to deal such boundary conditions. (4) it is a very specific problem and you need to find the right papers. But, the above two types of conditions are fairly common in multi-stage turbomachinery calculations. ( don't ask me for the details) By the way, you can also look into VKI publications.

 March 15, 1999, 05:19 Re: Rotating frames for Turbomachine #3 franck bertagnolio Guest   Posts: n/a Hi, These two papers might be of interest... Perng, Murthy , 'A sliding mesh technique for simulation of flow in mixing tanks', Proc. ASME Winter Annual Meeting, New Orleans, 1993, pp 1-9. Arnone, Pacciani, Sestini, 'Multigrid computations of unsteady rotor stator interaction using the Navier-Stokes equations', J. Fluid Engng., 117, pp 647-652 (1995). Regards, franck

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