Mathematical modelling of gas flow and determination of axial gas dispersion coefficients using numerical inverse laplace transform and maple in a typical commercial apparatus

Wójcik, M.; Szukiewicz, M.

doi:10.24425/122945

Artykuł - szczegóły

Tytuł artykułu

Mathematical modelling of gas flow and determination of axial gas dispersion coefficients using numerical inverse laplace transform and maple in a typical commercial apparatus

Autorzy

Wójcik M. , Szukiewicz M.

Treść / Zawartość

Pełne teksty:

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Identyfikatory

DOI

10.24425/122945

Warianty tytułu

Języki publikacji

Abstrakty

In this paper, a new simple method for determination of flow parameters, axial dispersion coefficients DL and Péclet numbers Pe was presented. This method is based on an accurate measurement model considering pulse tracer response. Our method makes it possible to test the character of gas flow motion and precisely measure flow parameters for different pressures and temperatures. The idea of combining the transfer function, numerical inversion of the Laplace transform and optimisation method gives many benefits like a simple and effective way of finding solution of inverse problem and model coefficients. The calculated values of flow parameters (DL and/or Pe) suggest that in the considered case the gas flow is neither plug flow nor perfect mixing under operation condition. The obtained outcomes agree with the gas flow theory. Calculations were performed using the CAS program type, Maple.

Słowa kluczowe

numerical inversion of the Laplace transform mathematical modelling axial gas dispersion coefficient Maple

numeryczna inwersja transformaty Laplaca modelowanie matematyczne osiowy współczynnik dyspersji gazu Maple

Wydawca

Komitet Inżynierii Chemicznej i Procesowej Polskiej Akademii Nauk

Czasopismo

Chemical and Process Engineering

Rocznik

2018

Tom

Vol. 39, nr 2

Strony

223--–232

Opis fizyczny

Bibliogr. 26 poz., rys.

Twórcy

autor

Wójcik M.

Rzeszow University of Technology, Faculty of Chemistry, Department of Chemical and Process Engineering, al. Powstancow Warszawy 6, 35-959 Rzeszow

autor

Szukiewicz M.

Rzeszow University of Technology, Faculty of Chemistry, Department of Chemical and Process Engineering, al. Powstancow Warszawy 6, 35-959 Rzeszow

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-6d4fcde5-3eb4-42ac-a2cf-7ce467ae331a