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RESEARCH PAPERS

Effect of the Inlet Geometry on the Flow in a Cylindrical Cyclone Separator

[+] Author and Article Information
Ferhat M. Erdal

 GATE, LLC, 16360 Park Ten Place, Suite 206 Houston, TX 77084ferdal@gatellc.com

Siamack A. Shirazi

Department of Mechanical Engineering, The University of Tulsa, Tulsa, OK 74104siamack-shirazi@utulsa.edu

J. Energy Resour. Technol 128(1), 62-69 (Mar 01, 2006) (8 pages) doi:10.1115/1.2160512 History:

The use of Gas-Liquid Cylindrical Cyclone (GLLC© ) separators for gas-liquid separation is a new technology for oil and gas industry. Consequently, it is important to understand the flow behavior in the GLLC© and the effect of different geometrical geometries to enhance separation. The main objective of this study is to address the effect of different inlet geometries on the flow behavior in the GLLC© by measuring velocity components and the sum of the axial and tangential velocity fluctuations inside the GLLC© using a Laser Doppler Velocimeter (LDV). Three different inlet geometries were considered, namely, one inclined inlet, two inclined inlets, and a gradually reduced inlet nozzle. Axial and tangential velocities and turbulent intensities across the GLLC© diameter were measured at 24 different axial locations (318900mm below the inlet) for each inlet geometry. Flow rates of 0.00454 and 0.00063m3s were selected to investigate the effect of flowrate (Reynolds number) on the flow behavior. Color contour maps color contour plots of axial and tangential velocity and the sum of the axial and tangential velocity fluctuations revealed some remarkable details of the flow behavior.

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Copyright © 2006 by American Society of Mechanical Engineers
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Figures

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Figure 1

Schematic of gas-liquid cylindrical cyclone separator

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Figure 2

Schematic of the experimental facility

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Figure 3

Three different GLLC© inlet geometry

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Figure 4

GLLC© test section and LDV measurement plane

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Figure 5

Axial velocity contours for 0.00454m3∕s(Re=66900)

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Figure 6

Axial velocity contours for 0.00063m3∕s(Re=9285)

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Figure 7

Tangential velocity contours for 0.00454m3∕s(Re=66900)

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Figure 8

Tangential velocity contours for 0.00063m3∕s(Re=9285)

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Figure 9

The sum of the axial and tangential velocity fluctuation contours for 0.00454m3∕s(Re=66900)

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Figure 10

The sum of the axial and tangential velocity fluctuation contours for 0.00063m3∕s(Re=9285)

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Figure 11

Construction of horizontal plane color contour plot of axial velocities

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Figure 12

Horizontal plane color contour plot of axial velocity for one inclined inlet geometry at 318–467mm below the GLLC© inlet

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Figure 13

Horizontal plane color contour plot of axial velocity for two inclined inlets geometry at 318–467mm below the GLLC© inlet

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