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Enhanced mass transfer on a rotating disc — electrode surface in coupled electric and magnetic fields

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Abbreviations

A :

Constant in Equation 8

B :

Magnetic field strength

c o :

Electrolyte bulk concentration

D :

Electrolyte diffusivity

er,eθ,ez :

Directional unit vectors in the cylindrical co-ordinate system

E :

d.c. electric field

F :

Faraday constant (96 487 C mol−1)

F L :

Lorentz force

F \(\S\),G)\(\S\),H \(\S\) :

Velocity functions in rotating disc theory

i :

Current density via d.c. electrolysis

I :

Current flow

j :

Magnetically induced electric current density

n :

Valency

N :

Speed of rotating electrode

Pr:

Prandtl number

R :

Radius of rotating electrode

Rem :

Magnetic Reynolds number

r :

Radial space coordinate

ν :

Velocity

z :

Axial co-ordinate

θ :

Azimuthal co-ordinate

μ :

Magnetic permeability

v :

Kinematic viscosity of electrolyte

\(\S\) :

Dimensionless axial co-ordinate

σ :

Electrical conductivity of electrolyte

References

  1. W. A. Cochran,Proc. Cambr. Phil. Soc.,30 (1934) 365.

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  2. V. A. Levich, ‘Physicochemical Hydrodynamics Section 11’, Prentice Hall (1962).

  3. B. N. Kabanov and Y. A. Siver,Zhurn. Fiz. Khim.,22 (1948) 53.

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  4. S. Mohanta and T. Z. Fahidy,Can. Journ. Chem. Engrg.,50 (1972) 248.

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  5. Ibid.,50 (1972) 434.

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  6. J. A. Shercliff, ‘A Textbook of Magnetohydrodynamics Section 3,8’ Pergamon Press (1965).

  7. Metals Handbook, Am. Soc. for Metals, 8th edition,1 (1961).

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Authors and Affiliations

  1. Department of Chemical Engineering, University of Waterloo, Canada

    T. Z. Fahidy

Authors
  1. T. Z. Fahidy
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Fahidy, T.Z. Enhanced mass transfer on a rotating disc — electrode surface in coupled electric and magnetic fields. J Appl Electrochem 4, 275–277 (1974). https://doi.org/10.1007/BF01637238

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  • DOI: https://doi.org/10.1007/BF01637238

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