A Two-Time-Scale Infinite-Adsorption Model of Three Way Catalytic Converters During the Warm-Up Phase

[+] Author and Article Information
Luigi Glielmo

Facoltà di Ingegneria, Università del Sannio, Corso Garibaldi 107, 82100 Benevento, Italy e-mail: glielmo@unisannio.it

Stefania Santini

Dipartimento di Informatica e Sistemistica, Università di Napoli Federico II, via Claudio 21, 80125 Napoli, Italye-mail: stsantin@unina.it

J. Dyn. Sys., Meas., Control 123(1), 62-70 (Aug 04, 1999) (9 pages) doi:10.1115/1.1345529 History: Received August 04, 1999
Copyright © 2001 by ASME
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Emission treatment system and major pollutant components
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A representation of TWC substrate thermo-dynamics
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Structure of the system
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Approximate system in the time interval [t⁁,t⁁+Δt]
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FTP-Transition phase (‘cold phase’)
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Computed TWC static efficiencies
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Solution of full order system (25) for μ=1
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Solution of full order system (25) for μ=0.1
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Solution of full order system (25) for μ=0.05
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Zero-order “outer” approximation, equation (28)
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Solution of the full order system (31) for μ=0.05
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Zero-order “inner” approximation, Eq. (33)



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