Abstract
Some problems connected with the application of the electrochemical method of measuring local velocity of viscoelastic polymer solutions have been presented and discussed. On the basis of the analysis of changes in the fluid flow structure due to viscoelastic properties, a modified Eq. (8) which describes the local mass transfer coefficients for wedge shape electrochemical probes has been obtained. On the basis of Eq. (8), own modification of the construction of electrochemical measuring probes has been proposed. The reliability of the proposed method has been successfully experimentally verified by the comparison of the obtained free jet velocity profiles with the literature data referring to results obtained by the laser-Doppler technique.
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