NDLI: Modeling and analysis of an integrated power system based on methanol autothermal reforming

Content Provider	IEEE Xplore Digital Library
Author	Ipsakis, D. Voutetakis, S. Seferlis, P. Papadopoulou, S. Stoukides, M.
Copyright Year	2009
Description	Author affiliation: Department of Chemical Engineering, Aristotle University of Thessaloniki, P.O. Box 1517, 54124, Greece (Stoukides, M.) \|\| Chemical Process Engineering Research Institute (C.P.E.R.I.), CEntre for Research and Technology Hellas (CE.R.T.H.), P.O. Box 60361, 57001 Thermi-Thessaloniki, Greece (Ipsakis, D.; Voutetakis, S.; Papadopoulou, S.) \|\| Department of Mechanical Engineering, Aristotle University of Thessaloniki, P.O. Box 484, 54124, Greece (Seferlis, P.)
Abstract	The integrated power system under consideration, consists of the fuel processor (reformer and preferential oxidation reactors), the fuel cell and the heat management system. In the reformer reactor, methanol, air and water are co-fed to produce hydrogen under autothermal conditions. The produced hydrogen due to the high content of CO (≫5000ppm), is treated in the preferential oxidation reactor (PROX) for the CO minimization at acceptable levels (≪50ppm). After the oxidation clean-up step, the anode of the polymer electrolyte membrane (PEM) fuel cell is fed with the reformate gas (∼60–65% H2, ∼15–25% CO2, ∼15–20% N2, ∼1–3%CH3OH and traces of CO). The present paper is focused on the mathematical analysis of the main subsystems of the integrated power unit. The two reactors are modeled via a system of partial differential equations (PDE's) and the species flowrates and reactor temperature are analyzed along the length of each reactor. Moreover, the PEM fuel cell voltage-current characteristic is modeled via a non-linear equation that depends on the mass & energy balances (ordinary differential equations) of the concerned species. Finally, the heat management system is analyzed in order to provide insights for future control studies that will depend on the developed mathematical model (model-based control).
Starting Page	1421
Ending Page	1426
File Size	365820
Page Count	6
File Format	PDF
ISBN	9781424446841
DOI	10.1109/MED.2009.5164746
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-24
Publisher Place	Greece
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system management Hydrogen hydrogen Power system modeling Inductors PEM fuel cell methanol reforming Power system analysis computing Fuel cells Differential equations preferential oxidation integrated systems Oxidation Temperature control dynamic modeling Methanol
Content Type	Text
Resource Type	Article

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