TY  - JOUR
AU  - Petkovska, Menka
AU  - Nikolić, Daliborka
AU  - Marković, Ana
AU  - Seidel-Morgenstern, Andreas
PY  - 2010
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3824
AB  - 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(o, o), 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(o, o) 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
PB  - Elsevier
T2  - Chemical Engineering Science
T1  - Fast evaluation of periodic operation of a heterogeneous reactor based on nonlinear frequency response analysis
VL  - 65
SP  - 3632
EP  - 3637
DO  - 10.1016/j.ces.2010.03.011
ER  - 

@article{
author = "Petkovska, Menka and Nikolić, Daliborka and Marković, Ana and Seidel-Morgenstern, Andreas",
year = "2010",
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(o, o), 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(o, o) 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",
publisher = "Elsevier",
journal = "Chemical Engineering Science",
title = "Fast evaluation of periodic operation of a heterogeneous reactor based on nonlinear frequency response analysis",
volume = "65",
pages = "3632-3637",
doi = "10.1016/j.ces.2010.03.011"
}

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

Petkovska M, Nikolić D, Marković A, Seidel-Morgenstern A. Fast evaluation of periodic operation of a heterogeneous reactor based on nonlinear frequency response analysis. in Chemical Engineering Science. 2010;65:3632-3637.
doi:10.1016/j.ces.2010.03.011 .

Petkovska, Menka, Nikolić, Daliborka, Marković, Ana, Seidel-Morgenstern, Andreas, "Fast evaluation of periodic operation of a heterogeneous reactor based on nonlinear frequency response analysis" in Chemical Engineering Science, 65 (2010):3632-3637,
https://doi.org/10.1016/j.ces.2010.03.011 . .

TY  - CONF
AU  - Petkovska, Menka
AU  - Nikolić, Daliborka
AU  - Marković, Ana
AU  - Seidel-Morgenstern, Andreas
PY  - 2009
UR  - https://cer.ihtm.bg.ac.rs/handle/123456789/3835
AB  - One way to achieve process intensification is to operate the process in a periodic way, in
order to obtain better average performance compared to the optimal steady-state operation.
The source of the possible improvement lies in the process nonlinearity. Nevertheless, the
improvement is obtained only in some cases, while in some others the periodic operation can
be unfavourable. Testing whether a potential periodic process is favourable or unfavourable generally demands long and tedious experimental and/or numerical work. This paper presents a new, fast and easy method for this testing, based on the Volterra series approach, nonlinear frequency response and the concept of higher order frequency response functions.
C3  - 2nd European Process Intensification Conference (EPIC 2009), Venice, Italy
T1  - Frequency response analysis as a tool for fast evaluation of  periodic operations. Case study: A heterogeneous catalytic reacator
UR  - https://hdl.handle.net/21.15107/rcub_cer_3835
ER  - 

@conference{
author = "Petkovska, Menka and Nikolić, Daliborka and Marković, Ana and Seidel-Morgenstern, Andreas",
year = "2009",
abstract = "One way to achieve process intensification is to operate the process in a periodic way, in
order to obtain better average performance compared to the optimal steady-state operation.
The source of the possible improvement lies in the process nonlinearity. Nevertheless, the
improvement is obtained only in some cases, while in some others the periodic operation can
be unfavourable. Testing whether a potential periodic process is favourable or unfavourable generally demands long and tedious experimental and/or numerical work. This paper presents a new, fast and easy method for this testing, based on the Volterra series approach, nonlinear frequency response and the concept of higher order frequency response functions.",
journal = "2nd European Process Intensification Conference (EPIC 2009), Venice, Italy",
title = "Frequency response analysis as a tool for fast evaluation of  periodic operations. Case study: A heterogeneous catalytic reacator",
url = "https://hdl.handle.net/21.15107/rcub_cer_3835"
}

Petkovska, M., Nikolić, D., Marković, A.,& Seidel-Morgenstern, A.. (2009). Frequency response analysis as a tool for fast evaluation of  periodic operations. Case study: A heterogeneous catalytic reacator. in 2nd European Process Intensification Conference (EPIC 2009), Venice, Italy.
https://hdl.handle.net/21.15107/rcub_cer_3835

Petkovska M, Nikolić D, Marković A, Seidel-Morgenstern A. Frequency response analysis as a tool for fast evaluation of  periodic operations. Case study: A heterogeneous catalytic reacator. in 2nd European Process Intensification Conference (EPIC 2009), Venice, Italy. 2009;.
https://hdl.handle.net/21.15107/rcub_cer_3835 .

Petkovska, Menka, Nikolić, Daliborka, Marković, Ana, Seidel-Morgenstern, Andreas, "Frequency response analysis as a tool for fast evaluation of  periodic operations. Case study: A heterogeneous catalytic reacator" in 2nd European Process Intensification Conference (EPIC 2009), Venice, Italy (2009),
https://hdl.handle.net/21.15107/rcub_cer_3835 .