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Frequency response of an adsorber with modulation of the inlet molar flow-rate - II. A continuous flow adsorber

Authorized Users Only
1998
Authors
Park, IS
Petkovska, Menka
Do, DD
Article (Published version)
Metadata
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Abstract
A new method of frequency response analysis of an adsorber, with modulation of the adsorbate molar supply instead of traditional modulation of the reservoir volume, is presented. A continuous mode of operation is considered, for three different types of mass transfer mechanisms inside the particle: Langmuir kinetics, micro-pore diffusion and parallel pore and surface diffusion. Frequency response to sinusoidal and square wave modes of perturbation are investigated. In the case of square-wave forcing function, the system pressure response contains higher harmonics, which makes the study of fast dynamics more feasible by using relatively low frequencies of the input perturbations and analyzing the higher harmonics in the output signal. Simulation results show that the in-phase characteristic function of the continuous-flow adsorber is the same as that of a batch or a semi-batch one, while the out-of-phase characteristic function differs substantially, showing a minimum and a maximum, or ...no extrema at all, depending on the overflow. The conditions for extrema existence are discussed. Parameter estimation from simulated FR with inlet flow-rate modulation is also presented.

Keywords:
frequency response / flow adsorber / transfer functions / block diagram / characteristic functions / parameter estimation
Source:
Chemical Engineering Science, 1998, 53, 4, 833-843
Publisher:
  • Pergamon-Elsevier Science Ltd, Oxford

DOI: 10.1016/S0009-2509(97)00372-2

ISSN: 0009-2509

WoS: 000072422800022

Scopus: 2-s2.0-0032005298
[ Google Scholar ]
23
22
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/189
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Park, IS
AU  - Petkovska, Menka
AU  - Do, DD
PY  - 1998
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/189
AB  - A new method of frequency response analysis of an adsorber, with modulation of the adsorbate molar supply instead of traditional modulation of the reservoir volume, is presented. A continuous mode of operation is considered, for three different types of mass transfer mechanisms inside the particle: Langmuir kinetics, micro-pore diffusion and parallel pore and surface diffusion. Frequency response to sinusoidal and square wave modes of perturbation are investigated. In the case of square-wave forcing function, the system pressure response contains higher harmonics, which makes the study of fast dynamics more feasible by using relatively low frequencies of the input perturbations and analyzing the higher harmonics in the output signal. Simulation results show that the in-phase characteristic function of the continuous-flow adsorber is the same as that of a batch or a semi-batch one, while the out-of-phase characteristic function differs substantially, showing a minimum and a maximum, or no extrema at all, depending on the overflow. The conditions for extrema existence are discussed. Parameter estimation from simulated FR with inlet flow-rate modulation is also presented.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Chemical Engineering Science
T1  - Frequency response of an adsorber with modulation of the inlet molar flow-rate - II. A continuous flow adsorber
EP  - 843
IS  - 4
SP  - 833
VL  - 53
DO  - 10.1016/S0009-2509(97)00372-2
UR  - conv_1849
ER  - 
@article{
author = "Park, IS and Petkovska, Menka and Do, DD",
year = "1998",
abstract = "A new method of frequency response analysis of an adsorber, with modulation of the adsorbate molar supply instead of traditional modulation of the reservoir volume, is presented. A continuous mode of operation is considered, for three different types of mass transfer mechanisms inside the particle: Langmuir kinetics, micro-pore diffusion and parallel pore and surface diffusion. Frequency response to sinusoidal and square wave modes of perturbation are investigated. In the case of square-wave forcing function, the system pressure response contains higher harmonics, which makes the study of fast dynamics more feasible by using relatively low frequencies of the input perturbations and analyzing the higher harmonics in the output signal. Simulation results show that the in-phase characteristic function of the continuous-flow adsorber is the same as that of a batch or a semi-batch one, while the out-of-phase characteristic function differs substantially, showing a minimum and a maximum, or no extrema at all, depending on the overflow. The conditions for extrema existence are discussed. Parameter estimation from simulated FR with inlet flow-rate modulation is also presented.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Chemical Engineering Science",
title = "Frequency response of an adsorber with modulation of the inlet molar flow-rate - II. A continuous flow adsorber",
pages = "843-833",
number = "4",
volume = "53",
doi = "10.1016/S0009-2509(97)00372-2",
url = "conv_1849"
}
Park, I., Petkovska, M.,& Do, D.. (1998). Frequency response of an adsorber with modulation of the inlet molar flow-rate - II. A continuous flow adsorber. in Chemical Engineering Science
Pergamon-Elsevier Science Ltd, Oxford., 53(4), 833-843.
https://doi.org/10.1016/S0009-2509(97)00372-2
conv_1849
Park I, Petkovska M, Do D. Frequency response of an adsorber with modulation of the inlet molar flow-rate - II. A continuous flow adsorber. in Chemical Engineering Science. 1998;53(4):833-843.
doi:10.1016/S0009-2509(97)00372-2
conv_1849 .
Park, IS, Petkovska, Menka, Do, DD, "Frequency response of an adsorber with modulation of the inlet molar flow-rate - II. A continuous flow adsorber" in Chemical Engineering Science, 53, no. 4 (1998):833-843,
https://doi.org/10.1016/S0009-2509(97)00372-2 .,
conv_1849 .

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