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  Pattern Formation in a Surface Reaction with Global Coupling

Rotermund, H.-H. (1999). Pattern Formation in a Surface Reaction with Global Coupling. In M. Golubitsky, D. Luss, & S. H. Strogatz (Eds.), Pattern Formation in Continuous and Coupled Systems. The IMA Volumes in Mathematics and its Applications (pp. 231-247). New York, USA: Springer.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-E60D-7 Version Permalink: https://hdl.handle.net/21.11116/0000-0008-E60E-6
Genre: Book Chapter

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 Creators:
Rotermund, Harm-Hinrich1, Author           
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              

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 Abstract: Surface reactions exhibit unique features as model systems for nonlinear effects in chemical reactions. In addition they have an immense importance in heterogeneous catalysis in the chemical industry. Dynamic processes on surfaces, like the Pt — catalyzed CO-oxidation, can be described by a set of reaction-diffusion equations. For a certain range of reactants partial pressures and temperature of the sample, pattern formation like spiral waves, target patterns or solitary waves can be observed. When global coupling via the gas phase is introduced strong temporal oscillations may occur, sometimes exhibiting spatio-temporal patterns like standing waves, period doubling and chaotic behavior. The patterns mentioned were found under isothermal conditions. Of course, when increasing the reaction pressure, due to the exothermic nature of the CO-oxidation, temperature variations can be explored, observable with a sensitive InfraRed (IR) camera.

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Language(s): eng - English
 Dates: 1999
 Publication Status: Issued
 Pages: 17
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/978-1-4612-1558-5_18
 Degree: -

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Title: Pattern Formation in Continuous and Coupled Systems. The IMA Volumes in Mathematics and its Applications
Source Genre: Book
 Creator(s):
Golubitsky, Martin, Editor
Luss, Dan, Editor
Strogatz, Steven H., Editor
Affiliations:
-
Publ. Info: New York, USA : Springer
Pages: XVI, 323 Volume / Issue: - Sequence Number: - Start / End Page: 231 - 247 Identifier: ISBN: 978-1-4612-7192-5

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Title: The IMA Volumes in Mathematics and its Applications
Source Genre: Series
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Affiliations:
Publ. Info: Springer
Pages: 115 Volume / Issue: 115 Sequence Number: - Start / End Page: - Identifier: -