Fluid Flow Equations for Rotordynamic Flows in Seals and Leakage Paths  

Oleh:

Hsu, Y. ; Brennen, C. E.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Fluids Engineering vol. 124 no. 1 (2002), page 176-181.
Topik: FLUID FLOW; fluid flow; equations; rotordynamic flows; seals; leakage paths

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ89.4 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Fluid - induced rotordynamic forces produced by the fluid in an annular seal or in the leakage passage surrounding the shroud of a pump or turbine, are known to contribute substantially to the potential excitation forces acting on the rotor. The present research explores some of the important features of the equations governing bulk - flow models of these flows. This in turn suggests methods which might be used to solve these bulk - flow equations in circumstances where the linearized solutions may not be accurate. This paper presents a numerical method for these equations and discusses comparison of the computed results with experimental measurements for annular seals and pump leakage paths.

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