Semi-analytical Expressions of a Non-linear Reaction-Diffusion (R-D) Equations in a Mixed Quadratic-Cubic Autocatalytic Reactions

Authors

  • J. Chitra Research Centre and PG Department of Mathematics, The Madura College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India
  • V. Ananthaswamy Research Centre and PG Department of Mathematics, The Madura College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India
  • P. Gajendran PG and Research Department of Chemistry, The Madura College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India
  • J. Anantha Jothi Research Centre and PG Department of Mathematics, The Madura College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India

DOI:

https://doi.org/10.37934/cfdl.15.11.131150

Keywords:

Reaction–diffusion equations, Autocatalytic reactions, Non-linear boundary value problem, Numerical simulation, Homotopy analysis method

Abstract

The semi-analytical expressions for the autocatalytic reactions with the mixed cubic and quadratic terms are derived. The kinetic model is associated with the diffusion, which is considered in a one-dimensional reactor. The semi-analytical solutions are derived for the concentrations of dimensionless reactant and dimensionless autocatalyst in the cubic autocatalytic reaction-diffusion equations for the steady-state and non-steady state by using the Homotopy analysis method (HAM). The derived approximate analytical solutions are compared with the numerical simulation and found to be very good fit for all values of the dimensionless parameters.

Author Biographies

J. Chitra, Research Centre and PG Department of Mathematics, The Madura College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India

chitraskcas@gmail.com

V. Ananthaswamy, Research Centre and PG Department of Mathematics, The Madura College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India

ananthu9777@gmail.com

P. Gajendran, PG and Research Department of Chemistry, The Madura College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India

haigaja78@yahoo.com

J. Anantha Jothi, Research Centre and PG Department of Mathematics, The Madura College (Affiliated to Madurai Kamaraj University), Madurai, Tamil Nadu, India

ananthajothij98@gmail.com

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Published

2023-09-30

How to Cite

J. Chitra, V. Ananthaswamy, P. Gajendran, & J. Anantha Jothi. (2023). Semi-analytical Expressions of a Non-linear Reaction-Diffusion (R-D) Equations in a Mixed Quadratic-Cubic Autocatalytic Reactions. CFD Letters, 15(11), 131–150. https://doi.org/10.37934/cfdl.15.11.131150

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