Abstract
Magnetic resonance imaging was used for two-dimensional temperature visualization of chemical waves propagation in the autocatalytic exothermal reaction of thiosulfate oxidation by chlorite. The technique presented is based on the temperature dependence of the water chemical shift. Temperature maps were acquired by employing the TurboFLASH imaging method. The results obtained allow one to judge about directions of buoyancy flows. Two types of convection critical modes in a vertical tube during the wave propagation were detected.
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