Abstract
The aim of this study is to elucidate experimentally the effect of chemical reaction on the diffusion process in a turbulent liquid jet. The chemical reaction in this study is a competitive-consecutive reaction(A+B→R, R+B→S)which kinetics is well known. The instantaneous concentrations of two reactive species (R and S)and a non-reactive dye(Y) were measured simultaneously by the light absorption spectrometric method. From the above measurements, the instantaneous concentrations of species A and B, which we have not been able to measure before, can be determined by the conserved scalar theory. To ascertain the validity of the concentration measurements, we compared the present measurement results with those for one non-reactive dye Y and two reactive species R and S. It was found that the concentrations of non-reactive dye Y and reactive species R and S can be measured accurately by the present measuring system.
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