TECHNICAL PAPERS: Internal Combustion Engines

Thermal Response of Automotive Hydrocarbon Adsorber Systems

[+] Author and Article Information
G. C. Koltsakis, A. M. Stamatelos

Mechanical Engineering Department, Aristotle University Thessaloniki, 540 06 Thessaloniki, Greece

J. Eng. Gas Turbines Power 122(1), 112-118 (Jun 09, 1999) (7 pages) doi:10.1115/1.483182 History: Received January 17, 1998; Revised June 09, 1999
Copyright © 2000 by ASME
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Arrangement of a typical hydrocarbon adsorber system
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Typical flow rate and temperature versus time in the standard federal test procedure (FTP)
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Isothermal test: computed axial velocity for different central passage diameters (dcp=0, 20, 35 mm)
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Isothermal test: relative flow through central passage for different flow rates; (T=300 K)
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Step response test: temperature fields at selected times (dcp=20 mm)
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Step response test: temperature fields at time=40 s for different central passage diameters (dcp=0, 20, 35 mm)
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Step response test: exhaust gas temperature at the HC adsorber exit at two points (dcp=0,20,35 mm)
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Driving cycle simulation: computed exhaust gas temperature at main converter inlet at two points (dcp=0, 20, 35 mm)




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