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Laboratory for Thermal Engineering and Energy

Laboratory for Thermal Engineering and Energy

Institute of Nuclear Sciences Vinča

Simeon Oka

scientific advisor (retired from December 2002)
professor at Mechanical Engineering faculty, University of Belgrade (retired from December 2002)

Simeon Oka

Address
Institue for Nuclear Sciences - Vinča, Laboratory for Thermal Engineering and Energy, PO BOX 522, 11001 Belgrade, Serbia and Montenegro
Home address
Gandijeva 49b/11, 11070 Novi Beograd, Serbia and Montenegro
Phone number
[office] +381 11 2455-663
[home] +381 11 31 85 082
[mobile] +381 064 168 2000
Date and place of birth
03.10.1935., Belgrade, Yugoslavia
Marital status
Married (wife - prof. dr. Jasmina Mimic-Oka, professor of Biochemistry, Faculty of Medicine, University of Belgrade,two sons – Vladimir and Nikola
Graduate studies
1960 at Mechanical Engineering Faculty, University of Belgrade, Department of General Engineering
Postgraduate studies
1966 at Electrical Engineering Faculty, University of Belgrade, Department of Reactor Thermal Engineering
Master thesis
Universal Equations of the Incompressible Laminar Thermal Boundary Layer
PhD. Thesis
1971 at Mechanical Engineering Faculty, University of Belgrade, "Stationary Two-dimensional Vortex Flow in Regions with Closed Streamlines"
Fields
  • Fluid Mechanics, Measurement techniques, Turbulence
  • Heat and Mass Transfer
  • Combustion, Coal and biomass
  • Fluidized Bed Combustion
  • Mathematical Modeling
  • Oriented fundamental research, applied research, technology development
  • Laboratory experiments, pilot-plant experiments, field experiments
Short Biography
Prof. dr Oka was born on 3.10.1935. in Belgrade Yugoslavia. Educated at Mechanical Engineering in Belgrade he obtained his B.Sc. in 1960. and Ph.D. in 1971. in fluid mechanics. Engaged in Institute for Nuclear Sciences VINCA, in Laboratory for Thermal Engineering and Energy from 1960. From 1976 till 1980 he was director of the Laboratory. He was appointed in 1986 for scientific advisor. Full professor at Mechanical engineering faculty in Belgrade, he became in 1986. too. He is a member of editorial board in Russian Journal of Engineering Thermophysics and Journal of Aerothermomechanics and is editor-in-chief of the journal Thermal Science. In 1995. he was elected as honorary member of the Scientific Council of the Institute for thermophysics of the Russian Academy of Sciences in Novosibirsk. Prof. dr Simeon Oka was elected in 1996. in Serbian Scientific Society. In 1999 he was became full member of the Yugoslav Engineering Academy.
During 45 years long research activity he was engaged in fundamental and applied research of physical processes essential for energetic, in the field of fluid mechanics (turbulence), heat transfer and combustion, followed by implementation of the scientific achievements for development of modern energy technologies. He initiated research activity in the Institute in the following fields
Short Term Visits
  • 1963, 3 months, Universite d'Orsay, Paris, Laboratoire des Mechaniques des Fluides
  • 1968-1969, 10 months, Institute of Thermophysics, Soviet Academy of Science, Siberian Branch, Novosibirsk, Soviet Union (today Russia)
Awards
  • 1977, Award of the Institute for Nuclear Sciences VINCA, for development of Pneumatic Discharge System for Granular Materials from Railveil waggons (with MSc S. Sikmanovic)
  • 1986, October Award of Belgrade Sity for research of fluidized bed combustion and development of fluidized bed combustion technology, as a leader of the research teem (members of the teem) - Lj. Jovanovic, PhD, B. Arsic, MSc, B. Grubor, MSc, D. Dakic, MSc, M. Urosevic, BSc, I. Kovacevic, BSc)
  • 1994, October Award of Belgrade Sity for research in fluidiyed bed combustion and book FLUIDIZED BED COMBUSTION – Fundamentals and Application (in Serbian)
Teaching Experiance
  • 1972-1975, undergraduate course THERMODYMAMICS, Mechanical Engineernig Faculty, University of Belgrade
  • 1976-2002, undergraduate course TRANSPORT OF FLUIDS AND SOLID MATERIALS THROUGH PIPES, Trafic Engineernig Faculty, University of Belgrade
  • 1972-1998, postgraduate course INCOMPRESSIBLE TURBULENT FLOWS, Mechanical Engineernig Faculty, University of Belgrade
  • 1979-1983, postgraduate course MODERN MEASUREMENT METHODS VELOCITY AND FLUID FLOW RATE, Mechanical engineernig Faculty, University of Skopje, Macedonia
  • 1991, postgraduate course INCOMPRESSIBLE TURBULENT FLOWS, Technical Engineernig Faculty, University of Bitola, Macedonia
Supervisor of MSc and PhD Thesis
Supervisor of the 14 MSc thesis (10 in the field of turbulent flows, 4 in the field of fluidized bed combustion) at University of Belgrade (Mechanical Engineernig Faculty and Faculty of Metalurgy and Technology in Belgrade)
Supervisor of MSc - Turbulent flows
  • Živorad Kostić - Flow, heat and mass transfer from two cylinders in cross flow, Faculty of Metalurgy and Technology, University of Belgrade
  • Radivoje Đorđević - Measurements of the local heat transfer coefficients on finned tubes in cross flow, Mechanical Engineernig Faculty, University of Belgrade, 1970
  • Slobodan Šikmanović - Influence of turbulence on heat transfer from single cilinder in cross flow, Faculty of Metalurgy and Technology), University of Belgrade, 1973.
  • Branislava Arsić - Heat transfer between impinging jet and flat plate, Faculty of Metalurgy and Technology, University of Belgrade, 1977
  • Slavko Vasić - Single and two scale stress turbulence models in predicting nonhomogeneous turbulent flows, Mechanical Engineernig Faculty, University of Belgrade, 1982
  • Predrag Stefanović - Dynamic method for measurement total pressure in high temperature turnulent flows, Mechanical Engineernig Faculty,University of Belgrade
  • Miodrag Matović - Experimental investigation of the flow field in free turbulent flame using LDA, Mechanical Engineernig Faculty, University of Belgrade, 1989
  • Miodrag Janković - Flow and temperature filed of the free plasma jet, Mechanical Engineernig Faculty, University of Belgrade
  • Goran Živković - Melting and evaporation of solid particles i high temperature gas flow, Mechanical Engineernig Faculty, University of Belgrade
  • Vukman Bakić - Investigation of the structure of turfulent free flame by conditional signal sampling, Mechanical Engineernig Faculty, University of Belgrade, 1997
Supervisor of MSc - Fluidized bed combustion
  • Dragoljub Dakić - Influence of coal characteristics on combustion in fluidized beds, Mechanical Engineernig Faculty, University of Belgrade, 1991Mirko komatina - Heat and mass transfer between coal particles and fluidized bed during combustion, Mechanical Engineernig Faculty, University of Belgrade, 1992
  • Mladen Ilić - Investigation of coal combustion kynetic in fluidized bed, Mechanical Engineernig Faculty, University of Belgrade, 1992
  • Petar Gvero - Pirolysis of biomass in fluidized bed, Mechanical Engineernig Faculty,University of Belgrade, 1997.
Supervisos of the 15 PhD Thesis
(8 in the field of turbulent flows, 7 in the field of fluidized bed combustion) at University of Belgrade (Mechanical Engineernig Faculty, University of Belgrade, Mechanical Engineernig Faculty, University of Skopje, Mechanical Engineernig Faculty, Universitz of Niš, Faculty of Technical Engineernig, University of Bitola)
Supervisos of the PhD Thesis - turbulent Flows
  • Branislav Repić - Influence of design and regime parameters on pulverized coal ignition and combustion in swirl burners, Mechanical engineering Faculty, University in Belgrade, 1992
  • Ljubica Kanevče - Determination of thermal characteristics of ablative materials in real conditions, Mechanical engineering Faculty, University in Belgrade, 1992
  • Goran Živković - Mathematical modeling of two-phase gas-solid particle flow in horizontal tubes and channels, Mechanical engineering Faculty, University in Belgrade, 1996
  • Stevan Nemoda - Combustion processes in swirl gas burner, Mechanical engineering Faculty, University in Belgrade, 1997
  • Predrag Stefanović - Thermal and flow conditions for plasma synthesis of ultra fine silica-nitrid-Si3N4 particles, Mechanical engineering Faculty, University in Belgrade, 1997
  • Aleksandar Saljnikov - Mathematical modeling of pulverized coal in swirl burner, Mechanical engineering Faculty, University in Belgrade, 1998
  • Srdjan Belošević - Mathematical modeling of pulverized cola combustion furnace, Mechanical engineering Faculty, University in Belgrade, 2003
  • Turbulent confined heated jet, Mechanical Engineering Faculty , University in Niš, 1984
Supervisos of the PhD Thesis - Fluidized bed combustion
  • Zvonimir Kostić - Kinetic of biomass combustion in fluidized bed, Mechanical engineering Faculty, University of Skopje, 1987
  • Borislav Grubor - Investigation and mathematical modelling of coal combustion in bubbling fluidized bed, Mechanical engineering Faculty, University in Belgrade, 1992
  • Ilija Mijakovski - Hydrodynamic and heat transfer of free object in fluidized bed, Faculty of Technical engineering, University of Bitola, 1992,
  • Mirko Komatina - Coal particle temperature during combustion in fluidized bed, Mechanical engineering Faculty, University in Belgrade, 1997
  • Mladen Ilić - Char combustion in transient regime in fluidized bed, Mechanical engineering Faculty, University in Belgrade, 1998
  • Dragoljub Dakić - Investigation of primary fragmentation process of coal particles in fluidized bed, Mechanical engineering Faculty, University in Belgrade, 2002
  • Petar Gvero - Modeling of biomass devolatilization, Mechanical engineering Faculty, University in Belgrade, 2003
Citations (Citations up to 1997)
18 papers in 79 scientific papers in international journals
Membership in International Societies
  • From 1964 member of the Society of Thermal Engineers of Yugoslavia (today Serbia and Montenegro)
  • From 1995, honorary member of the Scientific Committee of the Institute of Thermophysics, Russian Academy of Sciences, Siberian Branch, Novosibirsk
  • From 1996, member of the Serbian Scientific Society
  • From 1999, member of the Yugoslav Engineering Academy
Scientific journals
  • From the foundation in 1994, Editor-in-Chief of the journal Thermal Science, founded by Society of Thermal Engineers of Yugoslavia (today Serbia and Montenegro), published by Institute of Nuclear Sciences VINCA
  • Member of the editorial board of the Russian Journal of Engineering Thermophysics, published by Russian Academy of Science, Siberian Branch, Novosibirsk
  • Member of the editorial board of the Journal of Aerothermomechanics, published by Russian Academyof Science, Siberian Branch, Novosibirsk
  • 2002-2005 member of the editorial board of The International Journal ENERGY, published by Elsevier
  • Reviewer for the journals ENERGY, Clean Air, Journal of Aerothermomechanics, Russian Journal of Engineering Thermophysics, and others
Book editing
  • 1982, Transport Phenomena in High temperature Flows with Chemical Reactions (in Russian), editors acad. S. S. Kutateladze and S. Oka, published by USSR Academy of Sciences, Siberian Branch, Novosibirsk,
  • 1986, Transport Phenomena in Single- and Two-phase Flows (in Russian), editors acad. S. S. Kutateladze and S. Oka, published by USSR Academy of Sciences, Siberian Branch, Novosibirsk,
  • 1990, Fluid Flow and Heat Transfer at High Temperatures (in Russian), editors acad. V. E. Nakoryakov and S. Oka, published by Russian Academy of Sciences, Siberian Branch, Novosibirsk,
  • 1992, Biomass Combustion for Energy Production (in Serbian), editors N. Ninic and S. Oka, published by Society of Thermal Engineers, Belgrade,
  • 1997, Biomass as renewable energy source, (in Serbian), editors Oka S., Jovanovic Lj., published by Society of Thermal Engineers, Belgrade
Leadership of the R&D projects
  • 1971-1975, Flow, heat and mass transfer in gas-solids particulate systems
  • 1976-1982, Investigation of the high temperature gas flows
  • 1980-2002, several R&D&D projects dealing with Fluidized bed combustion of coal and biomass - R&D of the FBC hot-gas generators for burning coal and biomass aiming to substitute liquid fuels, R&D of FBC hot-gas generators for drying equipment, R&D of the FBC hot-gas generators and equipment for preparation of biomass for combustion, R&D of the circulating fluidized bed combustion processes, Biomass combustion for energy production
  • 1980-1990 Investigation of turbulent flows in process engineering
latin encoding
Simeon Oka