Items where Author is "Djambazov, Georgi"

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3D/1D Acoustic cavitation acoustic field acoustic pertubation Acoustic pressure Acoustic resonance alloy microstructure development alloys Aluminum arc behavior arc/meltpool interaction bubbles cavitation CFD cfd-dem compressible flow contactless sonotrode crystal growth crystallographic orientation DC casting defect prediction degassing DEM method dendrite deformation dendritic growth electrodeposition electromagnetic field electromagnetic force electromagnetic vibration elongation enthalpy experimental validation filtering effect finite volume flow induced cavity noise fluid flow freckle formation gas and liquid algorithm gas atomization gas cavitation gas gap grain refinement heat transfer higher order methods IMPRESS induction processing interface capturing investment casting jet Lagrangian particle tracking Lagrangian tracking light alloy melts Liquid metals liquid metals processing magnetic field magnetic fields magnetohydrodynamics melt temperature melting/solidification MHD flow microstructure evolution microstructure solidification modelling multi-scale modelling multiscale modeling numerical model Numerical modeling Numerical modelling numerical modelling tools numerical models for discrete systems numerical simulation particle de-agglomeration Particle deagglomeration particles de-agglomerations process simulation Rayleigh number remelting Reynolds-averaged Navier-Stokes (RANS) equations solid mechanics solidification solidification defects solute diffusion Special alloys steelmaking strength structural mechanics time domain titanium aluminide turbulence ultrasonic cavitation Ultrasonic melt processing ultrasonic melt treatment Ultrasonic melt treatment - Electromagnetic vibration - Gas cavitation Ultrasonic processing ultrasonic treatment Vacuum Arc Remelting vacuum arc remelting (VAR) VAR VAR defects VAR process Weibull modulus

Number of items: 127.

3D/1D

Wang, Hong, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999 (2013) Analysis of heat transfer through the casting-mould interface including gas-gap effect and application to TiAl castings. International Journal of Numerical Methods for Heat & Fluid Flow, 23 (4). pp. 707-724. ISSN 0961-5539 (doi:10.1108/09615531311323827)

Acoustic cavitation

Beckwith, Christopher, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Kyriacos A ORCID: https://orcid.org/0000-0002-7426-9999 (2023) Modelling contactless ultrasound treatment in a DC casting launder. In: Light Metals 2023. The Minerals, Metals & Materials Series - TMS: TMS Annual Meeting & Exhibition . Springer, Cham, Switzerland, pp. 980-988. ISBN 978-3031225314; 978-3031225321 (doi:10.1007/978-3-031-22532-1_131)

Beckwith, Christopher, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Pericleous, Kyriacos A ORCID: https://orcid.org/0000-0002-7426-9999 and Tonry, Catherine E. H. ORCID: https://orcid.org/0000-0002-8214-0845 (2022) Comparison of frequency domain and time domain methods for the numerical simulation of contactless ultrasonic cavitation. Ultrasonics Sonochemistry, 89:10613. pp. 1-11. ISSN 1350-4177 (doi:10.1016/j.ultsonch.2022.106138)

Manoylov, Anton, Lebon, Bruno, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999 (2017) Coupling of acoustic cavitation with DEM-based particle solvers for modeling de-agglomeration of particle clusters in liquid metals. Metallurgical and Materials Transactions A, 48 (11). pp. 5616-5627. ISSN 1073-5623 (doi:10.1007/s11661-017-4321-5)

Manoylov, Anton, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Lebon, Gerard S. B. and Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999 (2017) Modelling the deagglomeration of nanoparticle inclusions by ultrasonic melt processing. In: 24th International Congress on Sound and Vibration 2017 (ICSV 24). Curran Associates, New York, USA, pp. 1812-1820. ISBN 978-1510845855

acoustic field

Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 (2023) Time-dependent numerical modelling of acoustic cavitation in liquid metal driven by electromagnetic induction. Fluids, 8 (3):79. pp. 1-11. ISSN 2311-5521 (Online) (doi:10.3390/fluids8030079)

acoustic pertubation

Wang, Zong-Kang, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Lai, Choi-Hong ORCID: https://orcid.org/0000-0002-7558-6398 and Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 (2007) Numerical simulation of flow-induced cavity noise in self-sustained oscillations. Computing and Visualization in Science, 10 (3). pp. 123-134. ISSN 1432-9360 (doi:10.1007/s00791-006-0039-4)

Acoustic pressure

Subroto, Tungky, Eskin, Dmitry, Beckwith, Christopher, Tzanakis, Iakovos, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999 (2020) Improving Ultrasonic Melt Treatment Efficiency Through Flow Management: Acoustic Pressure Measurements and Numerical Simulations. In: Light Metals 2020. The Minerals, Metals & Materials Book Series (MMSS) . Springer, Cham, Switzerland, pp. 981-987. ISBN 978-3-030-36408-3 ISSN 2367-1181 (Print), 2367-1696 (Online) (doi:10.1007/978-3-030-36408-3_132)

Acoustic resonance

alloy microstructure development

Soar, Peter, Kao, Andrew ORCID: https://orcid.org/0000-0002-6430-2134, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Kyriacos A ORCID: https://orcid.org/0000-0002-7426-9999 (2022) Modelling three-dimensional microstructure evolution influenced by concurrent structural mechanical mechanisms. JOM (The Member Journal of The Minerals, Metals & Materials Society). pp. 1-9. ISSN 1047-4838 (Print), 1543-1851 (Online) (doi:10.1007/s11837-022-05232-0)

alloys

Soar, Peter ORCID: https://orcid.org/0000-0003-1745-9443, Kao, Andrew ORCID: https://orcid.org/0000-0002-6430-2134, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Kyriacos A ORCID: https://orcid.org/0000-0002-7426-9999 (2023) A study of the complex dynamics of dendrite solidification coupled to structural mechanics. In: 16th International Conference on Modelling of Casting, Welding and Advanced Solidification Processes (MCWASP 2023). 18th - 23rd June 2023. Banff, Canada. IOP Conference Series: Materials Science and Engineering, 1281 (012045). IOP Publishing Ltd, Bristol, UK and Philadelphia, PA, pp. 1-10. ISSN 1757-8981 (Print), 1757-899X (Online) (doi:10.1088/1757-899X/1281/1/012045)

Aluminum

arc behavior

Pericleous, Kyriacos ORCID: https://orcid.org/0000-0002-7426-9999, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Yuan, Lang, Ward, Mark and Lee, Peter D. (2012) A multi-scale 3D model of the vacuum arc remelting process. In: 2012 TMS Supplemental Proceedings: Materials Properties, Characterization, and Modeling. J. Wiley & Sons Inc, USA, pp. 291-298. ISBN 978-1-11829-609-7

arc/meltpool interaction

Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Ward, Mark, Yuan, Lang and Lee, Peter D. (2013) A multiscale 3D model of the vacuum arc remelting process. Metallurgical and Materials Transactions A, 44 (12). pp. 5365-5376. ISSN 1073-5623 (Print), 1543-1940 (Online) (doi:10.1007/S11661-013-1680-4)

bubbles

cavitation

Dybalska, Agnieszka, Caden, Adrian, Griffiths, William D., Nashwan, Zakareya, Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Tonry, Catherine E. H. ORCID: https://orcid.org/0000-0002-8214-0845 and Pericleous, Koulis A ORCID: https://orcid.org/0000-0002-7426-9999 (2021) Enhancement of mechanical properties of pure aluminium through contactless melt sonicating treatment. Materials, 14 (16):4479. ISSN 1996-1944 (doi:10.3390/ma14164479)

Beckwith, Christopher, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999, Subroto, Tungky, Eskin, Dmitry G., Skalicky, Ivan, Roberts, Dan and Tzanakis, Iakovos (2021) Multiphysics modelling of ultrasonic melt treatment in the hot-top and launder during direct-chill casting: Path to indirect micro-structure simulation. Metals, 11 (674). pp. 1-14. ISSN 2075-4701 (Online) (doi:10.3390/met11050674)

Beckwith, Christopher, Subroto, Tungky, Pericleous, Kyriacos A ORCID: https://orcid.org/0000-0002-7426-9999, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Eskin, Dmitry G and Tzanakis, Iakovos (2021) Ultrasonic melt treatment in a DC casting launder: the role of melt processing temperature. In: Light Metals 2021. The Minerals, Metals & Materials Series . Springer, Cham, Switzerland, pp. 850-857. ISBN 978-3030653958 ISSN 2367-1181 (Print), 2367-1696 (Online) (doi:10.1007/978-3-030-65396-5_112)

CFD

Lebon, G.S. Bruno, Patel, Mayur K., Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 (2012) Mathematical modelling of a compressible oxygen jet entering a hot environment using a pressure-based finite volume code. Computers & Fluids, 59. pp. 91-100. ISSN 0045-7930 (doi:10.1016/j.compfluid.2012.02.016)

cfd-dem

Manoylov, Anton, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748 and Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999 (2016) Multiple timescale modelling of particle suspensions in metal melts subjected to external forces. In: ECCOMAS Congress 2016 VII European Congress on Computational Methods in Applied Sciences and Engineering M. Papadrakakis, V. Papadopoulos, G. Stefanou, V. Plevris (eds.) Crete Island, Greece, 5–10 June 2016. ECCOMAS Congress 2016, Athens, Greece, pp. 8207-8224. ISBN 978-618-82844-0-1

compressible flow

Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999, Lebon, Bruno, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Patel, Mayur (2012) Mathematical modelling of a compressible oxygen jet interfacing with a free surface in a basic oxygen furnace for steel production. In: Nastac, Laurentiu, Zhang, Lifeng, Thomas, Brian G., Sabau, Adrian, El-Kaddah, Nagy, Powell, Adam C. and Combeau, Herve, (eds.) CFD Modeling and Simulation in Materials Processing. John Wiley & Sons, Inc., Hoboken, NJ, USA, pp. 287-294. ISBN 9781118296158 (doi:10.1002/9781118364697.ch34)

contactless sonotrode

Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999, Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Dybalska, Agnieszka, Griffiths, William D. and Tonry, Catherine ORCID: https://orcid.org/0000-0002-8214-0845 (2019) Contactless ultrasonic cavitation in alloy melts. Materials, 12 (21):3610. ISSN 1996-1944 (doi:10.3390/ma12213610)

crystal growth

Kao, Andrew ORCID: https://orcid.org/0000-0002-6430-2134, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 and Voller, V. (2008) Effects of magnetic fields on crystal growth. Proceedings of the 7th International PAMIR Conference: Fundamental and Applied MHD and COST P17 Annual Workshop 2008. Institute of Physics, University of Latvia, Salaspils, Latvia, pp. 621-625.

crystallographic orientation

Soar, Peter, Kao, Andrew ORCID: https://orcid.org/0000-0002-6430-2134, Shevchenko, Natalia, Eckert, Sven, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Kyriacos A ORCID: https://orcid.org/0000-0002-7426-9999 (2022) Predicting concurrent structural mechanical mechanisms during microstructure evolution. Philosophical Transactions of The Royal Society A: Mathematical, Physical and Engineering Sciences, 380 (2217). pp. 1-11. ISSN 364-503X (Print), 1471-2962 (Online) (doi:10.1098/rsta.2021.0149)

DC casting

Tonry, Catherine E. H. ORCID: https://orcid.org/0000-0002-8214-0845, Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Tonry ORCID: https://orcid.org/0000-0002-7426-9999 (2020) Contactless ultrasonic treatment in direct chill casting. JOM (The Member Journal of The Minerals, Metals & Materials Society), 72 (11). pp. 4082-4091. ISSN 1047-4838 (Print), 1543-1851 (Online) (doi:10.1007/s11837-020-04370-7)

defect prediction

degassing

DEM method

dendrite deformation

dendritic growth

Yuan, Lang, Lee, Peter D., Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 (2010) Three-dimensional simulation of the influence of convection on dendritic solidification. In: Modeling of Casting, Welding, and Advanced Solidification Processes - XII (MCWASP XII). John Wiley & Sons, Inc. / The Minerals, Metals & Materials Society, Warrendale, PA, USA, pp. 451-458. ISBN 978-0-87339-742-1 (hbk)

Yuan, Lang, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Lee, Peter D. and Pericleous, Koulis ORCID: https://orcid.org/0000-0002-7426-9999 (2009) Multiscale modeling of the vacuum arc remelting process for the prediction on microstructure formation. International Journal of Modern Physics B, 23 (6-7). pp. 1584-1590. ISSN 0217-9792 (Print), 1793-6578 (Online) (doi:10.1142/S0217979209061305)

electrodeposition

Strusevitch, Nadia, Hughes, Michael, Bailey, Christopher ORCID: https://orcid.org/0000-0002-9438-3879 and Djambazov, Georgi (2008) Numerical modelling of electrodeposition phenomena. 2nd Electronics System-Integration Technology Conference, Greenwich, UK, 1-4 September 2008. Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 281-286. ISBN 978-1-4244-2813-7 (Print) 978-1-4244-2813-7 (Online) (doi:10.1109/ESTC.2008.4684362)

electromagnetic field

Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 and Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748 (2009) Effect of varying electromagnetic field on the VAR process. 6th International Conference on Electromagnetic Processing of Materials, EPM 2009. Forschungszentrum Dresden-Rossendorf, Dresden, Germany. ISBN 978-3-936104-65-3

electromagnetic force

electromagnetic vibration

Pericleous, Kyriacos A ORCID: https://orcid.org/0000-0002-7426-9999, Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Dybalska, Agnieszka, Griffiths, William D and Tonry, Catherine E. H. ORCID: https://orcid.org/0000-0002-8214-0845 (2019) Alloy grain refinement by means of electromagnetic vibrations. In: Proceedings of the Liquid Metal Processing & Casting Conference. The Minerals, Metals & Materials Society (TMS), UK, pp. 507-516. ISBN 0-87339-771-1

elongation

enthalpy

experimental validation

filtering effect

Lai, L.S., Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Lai, Choi-Hong ORCID: https://orcid.org/0000-0002-7558-6398 and Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 (2009) Comparison of high-order numerical schemes and several filtering methods applied to Navier-Stokes equations with applications to computational aeroacoustics. Journal of Algorithms & Computational Technology, 3 (3). pp. 443-459. ISSN 1748-3018 (doi:10.1260/174830108788251746)

finite volume

flow induced cavity noise

fluid flow

freckle formation

Yuan, L., Lee, Peter D., Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 (2009) Multiscale modeling of the onset of freckle formation during vacuum arc remelting. In: Lee, Peter D., Mitchell, Alec and Williamson, Rod, (eds.) International Symposium on Liquid Metal Processing and Casting - LMPC 2009. The Minerals, Metals & Materials Society, Warrendale, Pennsylvania, USA, pp. 39-46. ISBN 978-0-87339-743-8

gas and liquid algorithm

gas atomization

Lena, Claudio, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 (2008) Modelling metal powder production by the gas atomisation process. TMS 2008 Annual Meeting Supplemental Proceedings: Volume 2: Materials Characterization, Computation and Modeling. The Minerals, Metals & Materials Society, Warrendale, Pennsylvania, USA, pp. 279-285. ISBN 978-0-87339-717-9

gas cavitation

gas gap

grain refinement

heat transfer

higher order methods

IMPRESS

induction processing

interface capturing

investment casting

Wang, Hong, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999, Harding, Richard A. and Wickins, Michael (2010) Modelling the tilt-casting process for the tranquil filling of titanium alloy turbine blades. In: Modeling of Casting, Welding, and Advanced Solidification Processes - XII (MCWASP XII). John Wiley and Sons, Inc. / The Minerals, Metals & Materials Society (TMS), Warrendale, PA, USA, pp. 53-60. ISBN 978-0-87339-742-1

jet

Lagrangian particle tracking

Lagrangian tracking

light alloy melts

Liquid metals

liquid metals processing

magnetic field

magnetic fields

Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748 and Ward, R.M. (2009) A unified 3D model of the VAR process. In: Lee, Peter D., Mitchell, Alec and Williamson, Rod, (eds.) International Symposium on Liquid Metal Processing and Casting - LMPC 2009. The Minerals, Metals & Materials Society, Warrendale, Pennsylvania, USA, pp. 21-28. ISBN 978-0-87339-743-8

magnetohydrodynamics

melt temperature

melting/solidification

MHD flow

microstructure evolution

microstructure solidification

modelling

multi-scale modelling

multiscale modeling

numerical model

Numerical modeling

Numerical modelling

numerical modelling tools

Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269 and Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999 (2008) Vacuum arc remelting time dependent modelling. In: Baake, Egbert and Nacke, Bernard, (eds.) Proceedings of the International Scientific Colloquium, Modelling for Electromagnetic Processing, Hannover, 27-29 October, 2008. Leibniz University of Hannover, Hannover, Germany, pp. 25-28. ISBN 978-3-00-026003-2

numerical models for discrete systems

numerical simulation

particle de-agglomeration

Particle deagglomeration

particles de-agglomerations

process simulation

Rayleigh number

remelting

Reynolds-averaged Navier-Stokes (RANS) equations

solid mechanics

solidification

solidification defects

solute diffusion

Special alloys

steelmaking

strength

structural mechanics

time domain

titanium aluminide

turbulence

ultrasonic cavitation

Ultrasonic melt processing

ultrasonic melt treatment

Ultrasonic melt treatment - Electromagnetic vibration - Gas cavitation

Pericleous, Koulis A. ORCID: https://orcid.org/0000-0002-7426-9999, Bojarevics, Valdis ORCID: https://orcid.org/0000-0002-7326-7748, Djambazov, Georgi ORCID: https://orcid.org/0000-0001-8812-1269, Dybalska, Agnieszka, Griffiths, William and Tonry, Catherine ORCID: https://orcid.org/0000-0002-8214-0845 (2019) The contactless electromagnetic sonotrode. In: Tiryakioğlu, Murat, Griffiths, William and Jollyy, Mark, (eds.) Shape Casting: 7th International Symposium Celebrating Prof. John Campbell's 80th Birthday. The Minerals, Metals & Materials Series . Springer, Cham, Switzerland, pp. 239-252. ISBN 978-3030060336 (doi:10.1007/978-3-030-06034-3_23)