Dergiler / Mathematical Sciences and Applications E-Notes / 2015 / Cilt: 3 - Sayı: 2

STABILITY OF O.D.E. SOLUTIONS CORRESPONDING TO CHEMICAL MECHANISMS BASED-ON UNIMOLECULAR FIRST ORDER REACTIONS

Sayfa
58–63
Yayın Tarihi
2015-10-30
DOI
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From this fact, the conclusions about the stability of the solutions are obtained and their consequences on the propagation of measurements errors are analysed.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:The most simple unimolecular first order chemical reaction mechanism that involves two species, can be exemplified by the Mutarotation of Glucose [1].
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Temel Bulgular & Veri:The corresponding mathematical model is an O.D.E. linear system which solutions are stable, but not asymptotically [2].
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Sonuç & Katkı:From this fact, the conclusions about the stability of the solutions are obtained and their consequences on the propagation of measurements errors are analysed.
🔬Tür:Modelleme & Sayısal Simülasyon
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Chemical mechanisms · O.D.E.linear systems · Solutions stability

Abstract

The most simple unimolecular first order chemical reaction mechanism that involves two species, can be exemplified by the Mutarotation of Glucose [1]. The corresponding mathematical model is an O.D.E. linear system which solutions are stable, but not asymptotically [2]. When three chemical compounds are considered, the mechanism can vary from a simple two reactions sequence to a complicated one as the adsorption of Carbon Dioxide (CO2) over Platinum (P t) surfaces [2]. Although in these examples the mechanisms are very different, in both cases the O.D.E. system has two negative eigenvalues and the other one is zero. Once again, solutions show a weak stability which implies that small errors due to measurements in the initial concentrations will remain bounded, but they do not tend to vanish as the reaction proceeds. In this paper, a general result for reversible reactions is stated through an inverse modelling approach [3] [4], proposing theoretical mechanisms and showing algebraically that all the eigenvalues are negative, except one, which is zero. From this fact, the conclusions about the stability of the solutions are obtained and their consequences on the propagation of measurements errors are analysed.

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Bu Makaleye Atıf Yap

MARTINEZ-LUACES, V. (2015). STABILITY OF O.D.E. SOLUTIONS CORRESPONDING TO CHEMICAL MECHANISMS BASED-ON UNIMOLECULAR FIRST ORDER REACTIONS. Mathematical Sciences and Applications E-Notes, Cilt: 3 - Sayı: 2, 58–63. https://ajindex.com/articles/690780

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Kaynakça (5)

  1. Guerasimov,Y.A.etal, Physical Chemistry 2nd Edition, Houghton-Mifflin,Boston,1995
  2. Martinez-Luaces,V.,Chemical Kinetics and Inverse Modelling Problems, in Chemical Kinetics, In Tech Open Science, Rijeka, Croatia, 2012
  3. Martinez-Luaces,V., Modelling and Inverse Modelling: Experiences with O.D.E. linear systems in engineering courses, International Journal of Mathematical Education in Science and Technology, 40 (2009), no.2, 259-268
  4. Martinez-Luaces, V., Problemas inversos y de modelado inverso en Matemtica Educativa, Editorial Acadmica Espaola, Saarbrcken, Germany, 2012
  5. Martinez-Luaces,V.,First Order Chemical Kinetics Matrices and Stability of O.D.E. Systems, in Advances in Linear Algebra Research, Chapter 10. Nova Science Publishers, New York, U.S.A., 2015.