doc. RNDr.

Oldřich Coufal

CSc.

FEEC, UEEN – Researcher

+420 54114 6226
coufal@vut.cz

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doc. RNDr. Oldřich Coufal, CSc.

Publications

  • 2023

    COUFAL, O. One Hundred and Fifty Years of Skin Effect. Applied Sciences - Basel, 2023, vol. 13, no. 22, p. 1-13. ISSN: 2076-3417.
    Detail | WWW | Full text in the Digital Library

  • 2022

    Coufal Oldřich. Transient and Steady Curent in a Series RL Circuit. IEEE Access, 2022, vol. 10, no. 16. 8. 2022, p. 87745-87753. ISSN: 2169-3536.
    Detail | WWW

    Oldřich Coufal. Transient current density in a pair of long parallel conductors. In Prime Archives in Applied Sciences. 1-1-403/205, Kothapet Mohan Nagar, Hyderabad 500035, Telangana, India: Vide Leaf, 2022. p. 1-15. ISBN: 978-93-92117-54-1.
    Detail | WWW

    Oldřich Coufal. Study on Resistance and Inductance of Solid Conductors. In Technological Innovation in Engineering Research Vol. 2. Guest House Road, Street no - 1/6, Hooghly, West Bengal, India. UK: B P International, 27 Old Gloucester Street, London.: Book Publisher International, 2022. p. 71-96. ISBN: 978-93-5547-599-2.
    Detail | WWW

  • 2021

    Oldřich Coufal. Eddy currents in a group of long solid parallel conductors. In Horizons in World Physics. Horizons in World Physics. Horizons in World Physics. New York: Nova Science Publishers, Inc., 2021. p. 195-222. ISBN: 978-1-53619-951-2. ISSN: 2159-2004.
    Detail | WWW

    Coufal Oldřich. Thermodynamic properties for Ar-Al, Ar-Cu and Ar-Fe mixtures from 0.3 kK up to 4 kK for 1 atm. PHYSICA SCRIPTA, 2021, vol. 96, no. 12, p. 1-12. ISSN: 1402-4896.
    Detail | WWW

    COUFAL, O. Transient Current Density in a Pair of Long Parallel Conductors. Applied Sciences - Basel, 2021, vol. 11, no. 15, p. 1-12. ISSN: 2076-3417.
    Detail | WWW | Full text in the Digital Library

  • 2020

    Coufal Oldřich, Radil Lukáš. Self-induction in two long parallel conductors connected to sinusoidal voltage source. Physica Scripta, 2020, vol. 95, no. 6, p. 1-9. ISSN: 0031-8949.
    Detail | WWW

    COUFAL, O.; PAVLIŠOVÁ, G.; TOMAN, P. Historie elektroenergetiky na VUT v Brně. Energetika, 2020, vol. 70, no. 3, p. 146-151. ISSN: 0375-8842.
    Detail | WWW

  • 2019

    ŠENK, J.; LÁZNIČKOVÁ, I.; JAKUBOVÁ, I.; COUFAL, O. ESTIMATION OF THE INTENSIVELY BLASTED ELECTRIC ARC MODEL SENSITIVITY TO SELECTED VARIABLES. Plasma Physics and Technology, 2019, vol. 6, no. 1, p. 47-50. ISSN: 2336-2626.
    Detail | WWW

    ŠENK, J.; LÁZNIČKOVÁ, I.; JAKUBOVÁ, I.; COUFAL, O. Application of the Designed Model of the Blasted Electric Arc under Various Argon Flow Rate. In Proceedings of the 2019 20th International Scientific Conference on Electric Power Engineering (EPE). Ostrava, CR: VSB-Technical University of Ostrava, CR, 2019. p. 1-6. ISBN: 978-1-7281-1333-3.
    Detail

    BARTLOVÁ, M.; COUFAL, O.; VEKLICH, A.; POKORNÝ, J. Equilibrum composition of thermal plasma with copper and chromium vapours admixtures. Plasma Physics and Technology, 2019, vol. 6, no. 3, p. 251-255. ISSN: 2336-2626.
    Detail | WWW

    COUFAL, O. Current density in a group of long parallel conductors. Physica Scripta, 2019, vol. 94, no. 12, p. 1-11. ISSN: 0031-8949.
    Detail | WWW | Full text in the Digital Library

    COUFAL, O.; BÁTORA, B.; RADIL, L.; TOMAN, P. Simple calculation of eddy currents in a long passive conductor. INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS. NIEUWE HEMWEG 6B, 1013 BG AMSTERDAM, NETHERLANDS: IOS Press, 2019. p. 201-214. ISSN: 1383-5416.
    Detail | WWW

  • 2018

    COUFAL, O.; TOMAN, P. Condensed species in products of the reaction of SF6 with Cu up to 4000 K. Journal of Physics D: Applied Physics, 2018, vol. 51, no. 2, p. 1-16. ISSN: 0022-3727.
    Detail | WWW

    COUFAL, O.; RADIL, L.; TOMAN, P. Magnetic field and forces in a pair of parallel conductors. INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, 2018, vol. 56, no. 2, p. 243-261. ISSN: 1383-5416.
    Detail | WWW

  • 2017

    COUFAL, O. Faraday's law of electromagnetic induction in two parallel conductors. INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, 2017, vol. 54, no. 2, p. 263-280. ISSN: 1383-5416.
    Detail | WWW

    COUFAL, O. Current density in two parallel cylindrical conductors and their inductance. ELECTRICAL ENGINEERING, 2017, vol. 99, no. 2, p. 519-523. ISSN: 0948-7921.
    Detail | WWW

  • 2015

    KLOC, P.; AUBRECHT, V.; BARTLOVÁ, M.; COUFAL, O.; RÜMPLER, C. On the Selection of Integration Intervals for the Calculation of Mean Absorption Coefficients. Plasma Chemistry and Plasma Processing, 2015, vol. 35, no. 6, p. 1097-1110. ISSN: 0272-4324.
    Detail | WWW | Full text in the Digital Library

    KLOC, P.; AUBRECHT, V.; BARTLOVÁ, M.; COUFAL, O. Optimization of 3-band mean absorption coefficients. In Plasma Physics and Technology. Plasma Physics and Technology. Praha: Czech Technical UniversityinPrague, 2015. p. 146-149. ISSN: 2336-2626.
    Detail | WWW

    KLOC, P.; AUBRECHT, V.; BARTLOVÁ, M.; COUFAL, O. Radiation transfer in air and air-Cu plasmas for two temperature profiles. Journal of Physics D: Applied Physics, 2015, vol. 48, no. 5, p. 1-13. ISSN: 0022-3727.
    Detail | WWW

    ADINEH V. R.; COUFAL, O.; BARTLOVÁ, M. Calculation of net emission coefficient of electrical discharge machining arc plasmas in mixtures of nitrogen with graphite, copper and tungsten. Journal of Physics D: Applied Physics, 2015, vol. 48, no. 5, p. 1-13. ISSN: 0022-3727.
    Detail | WWW

  • 2014

    KLOC, P.; AUBRECHT, V.; COUFAL, O.; BARTLOVÁ, M. Influence of Copper Vapours on the Radiative Transfer in Thermal Air Plasma. In Proceedings of the XXth International Conference on Gas Discharges and Their Applications. Orléans: GREMI UMR 7344, 2014. p. 139-142. ISBN: 978-2-9548207-2- 9.
    Detail

    COUFAL, O. Thermodynamic properties of reaction mixture of air and copper up to 4000K for 0.05 to 2MPa. Journal of Physics D: Applied Physics, 2014, vol. 47, no. 25, p. 1-12. ISSN: 0022-3727.
    Detail

    COUFAL, O. Sto let od narození prof. Ing. Z. Pavlíčka, DrSc. Energetika, 2014, vol. 64, no. 12, p. 666-667. ISSN: 0375- 8842.
    Detail

    COUFAL, O. Current density in two solid parallel conductors and their impedance. ELECTRICAL ENGINEERING, 2014, vol. 96, no. 3, p. 287-297. ISSN: 0948-7921.
    Detail | WWW

  • 2013

    COUFAL, O. On Resistance and Inductance of Solid Conductors. Journal of Engineering, 2013, vol. 2013, no. 1, p. 1-14. ISSN: 2314-4904.
    Detail | WWW | Full text in the Digital Library

    Coufal Oldřich. A method for the accurate and smooth approximation of standard thermodynamic, functions (new version). COMPUTER PHYSICS COMMUNICATIONS, 2013, vol. 184, no. 7, p. 1810-1811. ISSN: 0010- 4655.
    Detail | WWW

  • 2012

    COUFAL, O. On inductance and resistance of solitary long solid conductor. Acta Technica ČSAV, 2012, vol. 57(2012), no. 1, p. 75-89. ISSN: 0001- 7043.
    Detail

    COUFAL, O. A method for the accurate and smooth approximation of standard thermodynamic functions. COMPUTER PHYSICS COMMUNICATIONS, 2012, vol. 184(2013), no. 1, p. 194-200. ISSN: 0010- 4655.
    Detail

    COUFAL, O.; ŽIVNÝ, O., ADINEH V. Thermodynamic and Radiative Properties of Plasma Excited in EDM Process Through N2 Taking Into Account Fe. IEEE Transactions on Plasma Science, 2012, vol. 40, no. 10, p. 2723-2735. ISSN: 0093- 3813.
    Detail

  • 2011

    COUFAL, O. Comments on skin effect in solitary solid tubular conductor. Advances in Mathematical Physics, 2011, vol. 2011, no. 2011, p. 1-13. ISSN: 1687- 9120.
    Detail

  • 2010

    AUBRECHT, V.; BARTLOVÁ, M.; COUFAL, O. Radiative emission from air thermal plasmas with vapour of Cu or W. Journal of Physics D: Applied Physics, 2010, vol. 43, no. 43, p. 1-11. ISSN: 0022- 3727.
    Detail

    COUFAL, O.; ŽIVNÝ, O. Composition and thermodynamic properties of thermal plasma with condensed phases. European Physical Journal D, 2010, vol. 2010, no. 1, p. 1-21. ISSN: 1434- 6060.
    Detail

    BARTLOVÁ, M.; AUBRECHT, V.; COUFAL, O. Net Emission Coefficients of Radiation in Thermal Plasmas of Air with Carbon Admixture. In 25th Summer School and International Symposium on the Physics of Ionized Gases. Contributed Papers. Belgrade, Srbsko: Astronomical Observatory, 2010. p. 241-244. ISBN: 978-86-80019-37- 6.
    Detail

  • 2009

    COUFAL, O.; BARTLOVÁ, M.; BABICH, I.; BORETSKIJ, V.; VEKLICH, A. Composition of Electric Arc Plasma with Copper Vapours. In Proceedings of XVIIIth Symposium on Physics of Switching Arc, Invited Lectures and Contributed Papers. Brno - Letohrad: UVEE FEKT VUT v Brně, 2009. p. 143-146. ISBN: 978-80-214-3793- 7.
    Detail

  • 2008

    COUFAL, O. Current density in a long solitary tubular conductor. Journal of Physics A- Mathematical and Theoretical, 2008, vol. 41, no. 14, p. 11-14. ISSN: 1751- 8113.
    Detail

    COUFAL, O. Inductance of coaxial cable. Energyspectrum - International e-Journal, www.energyspectrum. net, 2008, vol. 3, no. 1, p. 1-5. ISSN: 1214- 7044.
    Detail | WWW

    BARTLOVÁ, M.; COUFAL, O. COMPOSITION OF THERMAL PLASMA IN ELECTRIC ARC - EQUILIBRIUM AND NON-EQUILIBRIUM APPROACH. In Proceedings of the IV International Conference "Electronics and Applied Physics". Kijev, Ukrajina: RadioPhysics Faculty, University of Kijev, 2008. p. 7-9.
    Detail

  • 2007

    COUFAL, O. Current density in a pair of solid coaxial conductors. ELECTROMAGNETICS, 2007, vol. 27, no. 5, p. 299-320. ISSN: 0272- 6343.
    Detail

    COUFAL, O. Inductance of Coaxial Cable. In Proceedings on ELECO 2007, Electronics. Bursa, Turkey: Istambul Technical University, 2007. p. 382-386. ISBN: 978-9944-89-421- 0.
    Detail

    COUFAL, O. Composition and thermodynamic properties of thermal plasma up to 50 kK. Journal of Physics D: Applied Physics, 2007, vol. 40, no. 11, p. 3371-3385. ISSN: 0022- 3727.
    Detail

    COUFAL, O. Termodynamické a transportní vlastnosti plazmatu elektrického oblouku. Dílčí zpráva GAČR 2007. GAČR. VUT Brno: UEEN, VUT Brno, 2007. p. 1-8.
    Detail

  • 2006

    COUFAL, O. O definici indukčnosti. In Proceedings of the 7th International Scientific Conference Electric Power Engineering 2006. Brno: VUT v Brně, 2006. p. 427-431. ISBN: 978-80-214-3180- 5.
    Detail

    AUBRECHT, V.; BARTLOVÁ, M.; COUFAL, O. Radiation Transfer in Air Thermal Plasmas. In Proceedings of the XVI International Conference on Gas Discharges and their Applications. Xian, Čína: Xian Jiaotong University, 2006. p. 45-48. ISBN: 0-9539105-3- 9.
    Detail

    M. Bartlová, O. Coufal. Effect of electron attachment on electron concentration in kinetic modelling of SF6- arc plasma. In Proceedings of The First Central European Symposium on Plasma Chemistry. Gdaňsk: 2006. p. 1 ( p.)
    Detail

    COUFAL, O., ŽIVNÝ, O. Interval of Occurence of a Component in Low- Temperature Plasma. Czechoslovak Journal of Physics, 2006, vol. 56(2006), no. Suppl. B, p. 1-6. ISSN: 0011- 4626.
    Detail

    COUFAL, O., ŽIVNÝ, O. Interval of Occurence of a Component in Low- Temperature Plasma. In Programme & Abstract Book of the 22nd Symposium on Plasma Physics and Technology. Praha: ČVUT FEL Praha, 2006. p. 100-100. ISBN: 80-01-03506- 9.
    Detail

  • 2005

    COUFAL, O.; SEZEMSKÝ, P.; ŽIVNÝ, O. Database system of thermodynamic properties of individual substances at high temperatures. Journal of Physics D: Applied Physics, 2005, vol. 38(2005), no. 8, p. 1265-1274. ISSN: 0022- 3727.
    Detail

    COUFAL, O. Proudová hustota ve dvojici masivních koaxiálních vodičů. Energyspectrum - International e-Journal, www.energyspectrum. net, 2005, vol. 2005, no. 11, p. 1 ( p.)ISSN: 1214- 7044.
    Detail | WWW

  • 2004

    BARTLOVÁ, M., COUFAL, O. INFLUENCE OF ELECTRON ATTACHMENT ON KINETIC COMPOSITION OF SF6- ARC PLASMA. In New Trends in Physics, Proc. of the conference. Brno: FEEC, Brno University of Technology, 2004. p. 156 ( p.)ISBN: 80-7355-024- 5.
    Detail

    COUFAL, O., BARTLOVÁ, M. Influence of concentration on the values of recombination and ionization rate coefficients of atoms S and F. Czechoslovak Journal of Physics, 2004, vol. 54, no. Suppl. C, p. 665 ( p.)ISSN: 0011- 4626.
    Detail

    COUFAL, O.; BARTLOVÁ, M. Influence of concentration on the values of recombination and ionization rate coefficients of atoms S and F. Czechoslovak Journal of Physics, 2004, vol. 54, no. Supplement C, p. C665 (C670 p.)ISSN: 0011- 4626.
    Detail

    BARTLOVÁ, M., COUFAL, O. Influence of Concentration on the Values of Recombination and Ionization Rate Constants of atoms S and F. Sborník abstraktů 21. Symposia o fyzice a technologii plazmatu. Praha: Organizační výbor symposia + katedra fyziky ČVUT FEL Praha, 2004. p. 77 ( p.)ISBN: 80-01-03015- 6.
    Detail

  • 2003

    BARTLOVÁ, M., BARTL, J., COUFAL, O. Unimolecular Reactions in Chemical Kinetics of SF6- Arc Plasma. In Proceedings of the XIVth Symposium on Application of Plasma Processes. Bratislava: Dept. of Plasma Physics & Institute of Physics at Comenius University, 2003. p. 12 ( p.)ISBN: 80-8040-195- 0.
    Detail

  • 2002

    COUFAL, O., BARTLOVÁ, M. An Improved Model of Chemical Kinetics in SF6 Arc Plasma. In Proceedings of the XIV. International Conference on Gas Discharges and their Applications. Liverpool: University of Liverpool, 2002. p. 51 ( p.)ISBN: 0-9539105-1- 2.
    Detail

    BARTLOVÁ, M., COUFAL, O. An Improved Model of Chemical Kinetics in SF6- Arc Plasma. In Proceedings of the XIV International Conference on Gas Discharges and their Applications. Liverpool: University of Liverpool, 2002. p. 51 ( p.)ISBN: 0-9539105-1- 2.
    Detail

    COUFAL, O., BARTLOVÁ, M. Comparison of some models of reaction kinetics in HV circuit breakers with SF6 after current zero. Journal of Physics D: Applied Physics, 2002, vol. 35(2002), no. 11, p. 3065 ( p.)ISSN: 0022- 3727.
    Detail

  • 2001

    BARTLOVÁ, M., COUFAL, O. Contribution to the Kinetic Modelling in SF6- Arc Plasma. In IXth International Conference of Switching Arc Phenomena, Proceedings. Lodz, Polsko: 2001. p. 94 ( p.)ISBN: 83-902688-9- 2.
    Detail

    BARTLOVÁ, M., COUFAL, O. Comparison of Some Kinetic Models of SF6- Arc Plasma. In 15thInternational Symposium on Plasma Chemistry, Proceedings,Vol. III, Poster Contributions. Orléans, Francie: 2001. p. 759 ( p.)
    Detail

    BARTLOVÁ, M., COUFAL, O. To the Calculation of Kinetic Composition of SF6- Arc Plasma. In Nové trendy ve fyzice, 2. díl. Brno, Česká republika: VUT v Brně, FEI, Ústav fyziky, 2001. p. 246 ( p.)ISBN: 80-214-1992- X.
    Detail

    COUFAL, O., SEZEMSKÝ, P. On the formal correctness of the reaction kinetics model and its solution in HV circuit breakers after current zero. Journal of Physics D: Applied Physics, 2001, vol. 34 (2001), no. 14, p. 2174-2184. ISSN: 0022- 3727.
    Detail

  • 2000

    COUFAL, O.; LÁZNIČKOVÁ, I. Aktualizace databáze termodynamických vlastností sloučenin. In Sborník prací odborné konference Budoucnost elektroenergetiky v regionuJižní Morava. Brno: 2000. p. 57-61. ISBN: 80-214-1725- 0.
    Detail

  • 1999

    ADAMEC, L., COUFAL, O. On kinetics of reactions in HV circuit breakers after current zero. Journal of Physics D: Applied Physics, 1999, vol. 32(1999), no. 14, p. 1702 ( p.)ISSN: 0022- 3727.
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  • 1997

    Coufal O., Vagera I. Saturated vapour of individual substance. High Temperature Materials and Processes, 1997, vol. 1(1997), no. 1, p. 133 ( p.)ISSN: 0334- 6455.
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    Adamec L., Coufal O. COMMENTS ON THE COMPUTATION OF THE COMPOSITION OF QUENCHING MEDIA IN HV CIRCUIT BREAKERS AFTER CURRENT ZERO. J. Phys. D: Appl. Phys., 1997, vol. 30(1997), no. 11, p. 1646 ( p.)ISSN: 1022- 3727.
    Detail

  • 1995

    COUFAL, O. Thermodynamic Properties of the Gas Mixture SF6 and Cu in the range from 298.15 to 3000 K and 0. 1 to 2 MPa. Journal of High Temperature Chemical Processes, 1995, vol. 4(1995), no. 3, p. 159 ( p.)ISSN: 1240- 4292.
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  • 1994

    COUFAL, O. Composition of the reacting mixture SF6 and Cu in the range from 298.15 to 3000 K and 0. 1 to 2 MPa. Journal of High Temperature Chemical Processes, 1994, vol. 3(1994), no. 1, p. 117 ( p.)ISSN: 1240- 4292.
    Detail

  • 1992

    COUFAL, O. Thermophysical properties of the reacting mixture SF6 and Cu in the range 3000 to 50000 K and 0.1 to 2 MPa. Part1: Equilibrium composition. Acta Technica ČSAV, 1992, vol. 37(1992), no. 2, p. 209 ( p.)ISSN: 0001- 7043.
    Detail

    COUFAL, O. Thermophysical Properties of the Reacting Mixture SF6 and Cu in the Range 3000 to 50000 K and 0.1 to 2MPa Part 2: Thermodynamic properties. Acta Technica ČSAV, 1992, vol. 37(1992), no. 3, p. 371 ( p.)ISSN: 0001- 7043.
    Detail

  • 1990

    AUBRECHT, V., GROSS, B., PEŠKA, L., COUFAL, O. Záření plazmatu spínacího oblouku hořícího v SF6. In Knižnice odborných a vědeckých spisů A- 38. Brno: VUT Brno, 1990. p. 219 ( p.)ISBN: 80-214-0091- 9.
    Detail

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