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RESEARCH PAPERS

Numerical Simulations of the Flow Field Around the Rings of Mechanical Seals

[+] Author and Article Information
Zhaogao Luan

Department of Mechanical Engineering, Louisiana State University, 2508 CEBA, Baton Rouge, LA 70803

M. M. Khonsari1

Department of Mechanical Engineering, Louisiana State University, 2508 CEBA, Baton Rouge, LA 70803Khonsari@me.lsu.edu

1

Corresponding author.

J. Tribol 128(3), 559-565 (Mar 06, 2006) (7 pages) doi:10.1115/1.2197845 History: Received November 01, 2005; Revised March 06, 2006

The flow inside a seal chamber as induced by the influx of the flush fluid and the rotation of the primary ring is analyzed. The 3-D flow characteristic around the mating ring and the rotating ring are predicted by solving the Navier-Stokes equations in cylindrical coordinates. For this purpose, the pressure correction method was used in conjunction with the SIMPLE algorithm. A series of numerical solutions is presented that show the flow mechanism within the gap between the rings and the gland. The implication of the flow characteristic on the cooling of the rings is discussed.

FIGURES IN THIS ARTICLE
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Copyright © 2006 by American Society of Mechanical Engineers
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Figures

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Figure 14

Comparison of the dense layer thickness for different rotating speed with different flush rate

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Figure 13

Streamlines around the rings for rotating speed of 7200rpm and flush rate of 94.64 cm3∕s (1.5 gpm)

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Figure 12

Streamlines around the rings for rotating speed of 7200rpm and flush rate of 63.1cm3∕s(1.0gpm)

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Figure 11

Streamlines around the rings for rotating speed of 7200rpm and flush rate of 31.55cm3∕s(0.5gpm)

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Figure 10

Streamlines around the rings for rotating speed of 3600rpm and flush rate of 94.64cm3∕s(1.5gpm)

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Figure 9

Streamlines around the rings for rotating speed of 3600rpm and flush rate of 63.1cm3∕s(1.0gpm)

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Figure 8

Streamlines around the rings for rotating speed of 3600rpm and flush rate of 31.55cm3∕s(0.5gpm)

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Figure 7

Streamlines around the rings for rotating speed of 1800rpm and flush rate of 94.64cm3∕s(1.5gpm)

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Figure 6

Streamlines around the rings for rotating speed of 1800rpm and flush rate of 63.1cm3∕s(1.0gpm)

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Figure 5

Streamlines around the rings for rotating speed of 1800rpm and flush rate of 31.55cm3∕s(0.5gpm)

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Figure 4

Comparison of exact and numerical solution of the code with only axial constant pressure

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Figure 3

Comparison of exact and numerical solution of the code with only rotation of 1800rpm

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Figure 2

Geometry for the seal and gland in calculation (the dimensions are in cm)

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Figure 1

Drawing of the seal installation

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