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TECHNICAL PAPERS

A Review of Purge Air Designs for Aeroengine-Based Optical Pyrometers

[+] Author and Article Information
Clive I. Kerr, Paul C. Ivey

School of Mechanical Engineering, Cranfield University, Cranfield MK43 0AL, United Kingdom

J. Turbomach 124(2), 227-234 (Apr 09, 2002) (8 pages) doi:10.1115/1.1458578 History: Received October 12, 2000; Online April 09, 2002
Copyright © 2002 by ASME
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References

Figures

Grahic Jump Location
Fundamental purge design
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Air scrubbing configuration
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Air curtain configuration
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Still tube configuration
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Air scrubbing via flow tube (US 4,786,188)
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Flow tube inlet arrangement (US 4,786,188)
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Air scrubbing via protruding lip (US 4,240,691)
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Use of inertial separation (US 4,786,188)
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180 deg inertial separator (US 4,786,188)
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Air swirl component (US 4,934,137)
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Swirl system via gas nozzle (US 4,784,491)
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Vortex purge system (US 4,738,528)
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Swirling vortex (US 4,738,528)
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Flow tube inlet arrangement for asymmetrical scrubbing (US 4,836,689)
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Annular slotted flow tube (US 5,146,244)
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Primary airflow through slotted flow tube (US 5,146,244)
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Tapered flow tube (US 5,146,244)
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Purge inlet arrangement for fluid screen (US 4,306,835)
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Fluid screen (US 4,306,835)
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Still tube system (GB 2,158,576)
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Swirl reducing system via vanes (US 5,599,105)
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Swirl reducing system via diffusers (US 5,421,652)
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Sight tube lip (US 4,306,835)
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Beveled sight tube aperture (US 4,934,137)
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Optical shutter (US 4,657,386)

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