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  Fast evaluation of periodic operation of a heterogeneous reactor based on nonlinear frequency response analysis

Petkovska, M., Nikolic, D., Markovic, A., & Seidel-Morgenstern, A. (2010). Fast evaluation of periodic operation of a heterogeneous reactor based on nonlinear frequency response analysis. Chemical Engineering Science, 65(11), 3632-3637. doi:10.1016/j.ces.2010.03.011.

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 Creators:
Petkovska, M.1, Author
Nikolic, D.1, Author
Markovic, A.2, Author           
Seidel-Morgenstern, A.2, 3, Author           
Affiliations:
1Faculty of Technology and Metallurgy, Department of Chemical Engineering, Belgrade, Serbia, ou_persistent22              
2Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              
3Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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Free keywords: Forced periodic operation; Frequency response functions; Nonlinear dynamics; Chemical reactors; Adsorption; Mathematical modelling
 Abstract: The concept of higher-order frequency response functions (FRFs), which is based on Volterra series representation of nonlinear systems, is used to analyse the time-average performance of a perfectly mixed reactor subject to periodic modulation of the inlet concentration, for a simple n-th order heterogeneous catalytic reaction. The second order frequency response function G2(ω,−ω), which corresponds to the dominant term of the non-periodic (DC) component, essentially determines the average performance of the periodic process. Thus, in order to evaluate the potential of a periodic operation, it is sufficient to derive and analyse the G2(ω,−ω) function. The sign of this function defines the sign of the DC component and reveals whether the periodic operation is favourable compared to conventional steady state operation, or not. It will be shown that, for the case investigated, the sign of this function depends both on the reaction order and on the shape of the adsorption isotherm. 2010 Elsevier Ltd. All rights reserved. [accessed May 7,2010]

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Language(s): eng - English
 Dates: 2010
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 464514
DOI: 10.1016/j.ces.2010.03.011
 Degree: -

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Title: Chemical Engineering Science
  Other : Chem. Eng. Sci.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 65 (11) Sequence Number: - Start / End Page: 3632 - 3637 Identifier: ISSN: 0009-2509
CoNE: https://pure.mpg.de/cone/journals/resource/954925389239