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Determination of mass transfer coefficient. Reynolds number, Stanton number and other hydrodynamic parameters of a fluid are very important in heat transfer and fluid dynamic science. Measuring the above parameters need very precise instruments which are very expensive. Therefore. in this research an attempt was made to use electrochemical theories together with the uniform
corrosion rate of copper metal in water to establish a relationship between mass transfer coefficient and corrosion rate.
From the obtained relationship, determination of some hydrodynamic parameters of fluid was investigated. The result of this research was in a good agreement with the results of other investigators that obtained the hydrodynamic parameters by different methods.