Damköhler number independent stable regime in reactive radial viscous fingering

HIGHLIGHTS

• What: Since the base state is unsteady, the authors seek to analyse the temporal evolution of perturbations in the comparison of the base state (Shen 1961; Hota, Pramanik and amp; Mishra 2015a). The authors aim to compare the reactive and non-reactive displacement when the viscosity contrast, Rb, between displacing fluid A and displaced fluid B is the same. The authors examine how stability behaviour, such as the growth rate of perturbations and onset of instability, is affected by product formation. For instance, if the authors compare the viscosity profile in figure 3(a), it is evident . . .
  

   

  

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