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Featured researches published by Ivo Roušar.


Materials Chemistry and Physics | 1984

Intergranular corrosion in electrochemical machining

Petr Novák; Ivo Roušar; Rudolf Štefec; Vladimír Číhal

Abstract In a study of electrochemical drilling, the influence of the electrolyte composition on intergranular corrosion of various nickel alloys and of hardenable stainless steel was investigated. The nickel-base alloys remained unaffected in a solution of 15 % NaNO 3 + 20 % NaClO 3 + 65 % H 2 O but suffered intergranular corrosion in solutions of NaNO 3 and NaNO 3 + NaCl. Stainless steel showed no signs of intergranular attack in any of the electrolyte solutions used.


Journal of Applied Electrochemistry | 1988

Calculation of the current density distribution in an amalgam electrolyser by the finite element method

Michal Šimek; Ivo Roušar

The primary and secondary distribution of current densities at the anode and cathode in an amalgam electrolyser with activated titanium anodes was obtained by solving Laplaces equation by the finite element method. The calculated data were used for evaluation of the decrease of the active layer of RuO2 around the anode. The results are compared with literature data.


Collection of Czechoslovak Chemical Communications | 1984

Increasing the accuracy of calculation of the velocity field in a rotating electrolyser with axial electrolyte inlet

Michal Šimek; Ivo Roušar


Collection of Czechoslovak Chemical Communications | 1967

Flow electrolyzers. II. Calculation of the current density distribution and of the terminal voltage for flow electrolyzers with the use of criterion relations

Ivo Roušar; V. Cezner


Collection of Czechoslovak Chemical Communications | 1983

Simultaneous mass and heat transfer to a plate electrode in the region of free convection with antiparallel fluxes of mass and heat

Petr Novák; Ivo Roušar


Archive | 1975

Apparatus for decomposing alkali metal amalgams

Ivo Roušar; V. Cezner; Milan Franz; Miroslav Matusek


Collection of Czechoslovak Chemical Communications | 1971

Flow electrolyzers. VI. Calculation of voltage and current densities for diaphragm flow electrolyzers

Ivo Roušar; V. Cezner; J. Hostomský


Collection of Czechoslovak Chemical Communications | 1966

Flow electrolyzers. I. Calculation of the current density distribution and of the terminal voltage for flow electrolyzers

Ivo Roušar; A. Regner; V. Cezner


Collection of Czechoslovak Chemical Communications | 1981

Mathematical simulation of the formation of small holes during electrochemical machining

Petr Novák; Ivo Roušar; Arnošt Kimla; Vladimír Mejta; V. Cezner


Collection of Czechoslovak Chemical Communications | 1979

Simultaneous flow of ions and heat to a plate electrode in the region of natural convection

Petr Novák; Ivo Roušar

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Petr Novák

Charles University in Prague

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