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Change in the nature of hydrodynamic cavitation in nonuniform magnetic fields

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Abstract

It is known that in nonuniform magnetic fields the precavitation properties of aqueous media change, leading to an increase in the irreversible physicochemical changes.

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Abbreviations

l :

length of zone II

D and d:

diameters of tubes I, III, and II

pI, pII, pIII :

pressures in regions I, II, and III

pcr :

critical pressure at which cavitation occurs

p′cr and p 0cr :

critical pressures in the magnetic field and when there is no magnetic field

[VI, VII, VIII]:

velocities of the liquid in regions I, II, and III

VII, lim:

velocity of the liquid at which breakdown of the hydrated layer occurs for a certain value of the induction

V′cr and V 0cr :

critical velocities at which cavitation occurs in the magnetic field and when there is no magnetic field

pa :

atmospheric pressure

psv :

saturation-vapor pressure at the given temperature

ρ :

density of the liquid

η :

kinematic viscosity

Re:

Reynolds number

Recr :

critical Reynolds number

cgf and cgd :

concentrations of free and dissolved gases in the magnetic field and when there is no magnetic field

c′gf and c′gd, and c 0gf and c 0gd :

concentrations of free and dissolved gases in the magnetic field and when there is no magnetic field

ρ sc :

space-charge density

σ:

electrical conductivity in the volume of the liquid

σb :

electrical conductivity in the boundary layer

ɛ l , ɛg, ɛd :

dielectric constants of the liquid in the volume, of the gas in the bubbles, and of the diffusion layer

j, jb, ji, and jT :

current density of the general, boundary layer, induced and current flow

fMHD and fEHD :

volume forces of magnetohydrodynamic and electrodynamic nature (per unit volume)

pMHD :

pressure in the liquid due to the action of the magnetohydrodynamic forces

τ0 :

limiting shear stress in the liquid

B:

magnetic induction

E:

electric field strength in the volume of the liquid

Literature cited

  1. V. M. Orgo, Hydroturbines [in Russian], Leningrad State Univ. (1975).

  2. J. A. Shercliffe, Textbook of Magnetohydrodynamics, Pergamon (1965).

  3. S. S. Dukhin and V. N. Shilov, Dielectric Phenomena and the Double Layer in Disperse Systems and Polyelectrolytes, Halsted Press (1975).

  4. N. F. Bondarenko, E. Z. Gak, and G. P. Komarov, Zh. Tekh. Fiz.,43, No. 1, 222; No. 3, 676 (1973).

    Google Scholar 

  5. E. Z. Gak, N. F. Bondarenko, and É. E. Rokhinson, Proceedings of the Third All-Union Seminar “Problems of the Theory and Practice of the Magnetic Processing of Water and Aqueous Systems,” Novocherkassk (1975), p. 57.

  6. N. F. Bondarenko, Physics of the Flow of Subterranean Water [in Russian], Gidrometeoizdat, Moscow (1973)

    Google Scholar 

  7. M. A. Lavrent'ev and B. V. Shabat, Problems of Hydrodynamics and Their Mathematical Models [in Russian], Nauka, Moscow (1973).

    Google Scholar 

  8. G. Z. Gershuni and E. M. Zhukovitskii, Convective Stability of an Incompressible Liquid [in Russian], Nauka, Moscow (1972).

    Google Scholar 

  9. L. R. Gavrilov, in: Physical Principles of Ultrasonic Technology [in Russian], Vol. 3, Nauka, Moscow (1970), p. 395.

    Google Scholar 

  10. V. A. Boichenko and L. G. Sapogin, Inzh.-Fiz. Zh.,33, No. 2 (1977).

  11. V. I. Klassen, Gornyi Zh., No. 6 (1976).

  12. Ya. I. Frenkel', Collected Works [in Russian], Vol. 3, Izd. Akad. Nauk SSSR, Moscow-Leningrad (1959).

    Google Scholar 

  13. R. T. Knapp, et al., Cavitation, McGraw-Hill (1970).

  14. V. Patrovsky, Mol. Phys.,31, No. 4 (1976).

  15. D. A. Grigor'ev, N. F. Bondarenko, É. E. Rokhinson, and E. Z. Gak, Gidrotekh. Melior., No. 10 (1976).

  16. N. N. Kruglitskii, Physical-Chemical Mechanics of Disperse Structures in Magnetic Fields [in Russian], Naukova Dumka, Kiev (1976).

    Google Scholar 

  17. L. A. Baranov and Sh. Sh. Gubaidullin, Tr. KuzNIIUgleobogasheniya, No. 5, 208 (1970).

    Google Scholar 

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Author information

Authors and Affiliations

  1. Agrophysical Institute, Leningrad

    N. F. Bondarenko, E. Z. Gak, M. Z. Gak & É. E. Rokhinson

Authors
  1. N. F. Bondarenko
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  2. E. Z. Gak
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  3. M. Z. Gak
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  4. É. E. Rokhinson
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Additional information

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 35, No. 5, pp. 842–850, November, 1978.

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Bondarenko, N.F., Gak, E.Z., Gak, M.Z. et al. Change in the nature of hydrodynamic cavitation in nonuniform magnetic fields. Journal of Engineering Physics 35, 1317–1323 (1978). https://doi.org/10.1007/BF00859682

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  • DOI: https://doi.org/10.1007/BF00859682

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