http://www.cnr.it/ontology/cnr/individuo/prodotto/ID297873
CFD Modeling and Simulation of a Catalytic Micro-Monolith (Articolo in rivista)
- Type
- Label
- CFD Modeling and Simulation of a Catalytic Micro-Monolith (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
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- Di Benedetto A.; Di Sarli V. (literal)
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- Rivista
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- National Research Council, Italy (literal)
- Titolo
- CFD Modeling and Simulation of a Catalytic Micro-Monolith (literal)
- Abstract
- In this work, a first step in modeling and simulating the thermal behavior of an entire catalytic micro-monolith was performed. In particular, a Computational Fluid Dynamics (CFD) model was developed for simulating three-channel and five-channel micro-combustors. For both configurations, the operating maps were built as functions of the inlet gas velocity and compared to the operating map of a single-channel configuration. Results show that, due to the relevance of heat losses in micro-devices, it is not possible to extrapolate the behavior of the multi-channel configurations from that of the single channel. Therefore, simulation of the entire catalytic micro-monolith is needed. However, this is computationally demanding: it has been found that the CPU time almost linearly increases with the number of channels simulated. Finally, for a fixed total mass flow rate, it has been demonstrated the opportunity to maximize the overall fuel conversion by means of a non-uniform distribution of mass flow rates among the channels. Copyright © 2011 The Berkeley Electronic Press. All rights reserved. (literal)
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