Newcastle University

Qualifications

MSc (1971) Moscow State University.
PhD (1977) Institute for Problems in Mechanics, USSR Academy of Sciences
DSc (1993) Russian Academy of Sciences

Memberships

Fellow of the Institute of Mathematics and its Applications (FIMA);
Chartered Mathematician (C.Math); Chartered Scientist (C.Sci)
Member of the American Physical Society.
Member of the London Mathematical Society;
Member of the New York Academy of Sciences.

Languages

English, Russian

Informal Interests

Classical music, literature, history of arts, history of science

Research Interests

Quantum and classical turbulence; Superfluidity; Thermal quasiparticle excitations in helium 3; Flow visualization in turbulent superfluids; Theoretical fluid dynamics; Two-phase turbulence; Dense fluid-particulate flows.

Other Expertise

PDF modelling of turbulent two-phase flows. Low temperature physics. Physico-chemical hydrodynamics. Hydrodynamic stability.

Current Work

Interactions between thermal quasiparticle excitations and vortex structures in helium 3.
Decay of quantum turbulence.
Motion of tracer particles in turbulent superfluid helium II.

Future Research

Interactions of thermal quasiparticle excitations with vortex rings and dense vortex tangle in helium 3.
Development of new models of particulate motion in turbulent superfluids, in particular in thermal counterflow.
Regimes of decay of quantum turbulence: theory and numerical study.

Esteem Indicators

Keynote and invited lectures:
Keynote lecture at the Symposium "Vortices, Superfluid Dynamics, and Quantum Turbulence", 11-16 April 2010, Helsinki.
Keynote lecture at 9th Engineering and Applications Conference EMAC2009, Adelaide, Australia, 6-9 December 2009.
Invited keynote lecture at the Workshop on Topics in Quantum Turbulence, Trieste, 16-20 March 2009.
Invitation received to deliver a keynote lecture at 8th Conference on Cryocrystals and Quantum Crystals CC-2010, Chernogolovka, Russia, July 26-31, 2010.
Invited lecture at the University of South Australia, Adelaide, December 2009.
Invited lecture at the Abdus Salam International Centre for Theoretical Physics, Trieste, March 2009.
Invited lecture course at the Summer school "Vortices and Turbulence at Very Low Temperatures", 2 - 6 July 2007, International Centre for Mechanical Sciences, University of Udine, Italy
Invited lecture at the Second International Conference of Applied Mathematics, Plovdiv, Bulgaria, August 12-18, 2005.

Invited review article:
Invited review article, published in Journal of Low Temperature Physics (2009, vol. 157, pp.429-475), on the particle motion and flow visualization in superfluid helium II.

Conference organising:
Co-organiser and Co-chairman of the discussion "Visualization of Quantum Turbulence" at ULT2008 - International Conference "Frontiers of Low Temperature Physics", August 13th-17th 2008, Royal Holloway College, University of London.
Organiser of the Summer School "VORTICES AND TURBULENCE AT VERY LOW TEMPERATURES", 2 and 6 July 2007, International Centre for Mechanical Sciences, University of Udine, Italy.
Topic Leader ("Advancing the Fundamentals") of the 7th World Congress of Chemical Engineering, Glasgow, 10-14 July 2005.

I have been invited to referee research proposals for:
United States Civilian Research and Development Foundation;
Netherlands Foundation for Fundamental Research of
Matter (FOM);
Israel Science Foundation (ISF).

Funding

Research Grants:
Leverhulme Trust grant RES/0581/7297 "Visualization of Quantum Turbulence", £121,308, MSE 40%, PI C.F.Barenghi
EPSRC GR/T08876/01 "The fluid dynamics of PIV visualisation in
superfluid helium", £187,394, MSE 40%, PI C.F.Barenghi.
EPSRC EP/D061601 "Developing Novel Applications of PDF Based
Models", PI D.C.Swailes.

Projects

• Developing novel applications of PDF based models for studying disperse flows
  Project Leader(s): Dr David Swailes
• Visualization of Quantum Turbulence
  Project Leader(s): Professor CF Barenghi

Undergraduate Teaching

ENG1001: Engineering Mathematics, 10 cr.
ENG2008: Analytical Methods in Marine Technology, 5 cr.
ENG2010: Engineering Mathematics II with Applications, 5cr.
ENG2011: Engineering Mathematics II with Applications, 5 cr.

Postgraduate Teaching

ENG8001: Mathematical Modelling, 3 cr.
ENG8004: Advanced Partial Differential Equations, 10 cr.
ENG8007: Methods and Techniques of Mathematical Modelling, 10 cr.

• Barenghi CF, Sergeev YA, Suramlishvili N, van Dijk PJ. Interaction of ballistic quasiparticles and vortex configurations in superfluid He3-B. Physical Review B 2009,79 2 024508.
• Barenghi CF, Sergeev YA. Motion of vortex ring with tracer particles in superfluid helium. Physical Review B 2009,80 2 024514.
• Barenghi CF, Sergeev YA, Suramlishvili N. Ballistic propagation of thermal excitations near a vortex in superfluid He3-B. Physical Review B 2008, 77(10), 104512.
• Kivotides D, Sergeev YA, Barenghi CF. Dynamics of solid particles in a tangle of superfluid vortices at low temperatures. Physics of Fluids 2008, 20, 055105.
• Kivotides D, Barenghi CF, Sergeev YA. Interactions between particles and quantized vortices in superfluid helium. Physical Review B 2008, 77(1), 014527.
• Sergeev YA, Barenghi CF. Normal fluid eddies in the thermal counterflow past a cylinder. Journal of Low Temperature Physics 2009, 156(3-6), 268-278.
• Sergeev YA, Barenghi CF, Suramlishvili N, van Dijk PJ. Two-dimensional model of interactions between thermal quasiparticles and tubulent structures in ³He-B. Europhysics Letters 2010, 90(5), 56003.
• Sergeev YA, Barenghi CF. Particles-Vortex Interactions and Flow Visualization in He-4. Journal of Low Temperature Physics 2009. ,157 5-6 429-475.
• Sergeev YA, Barenghi CF, Suramlishvili N. Visualization of quantum turbulence in 3He-B by thermal excitations. In: Proceedings of the 12th EUROMECH European Turbulence Conference.2009,:Springer-Verlag Berling Heidelberg
• Sergeev YA. Motion of solid particles and flow visualization in helium II. In: C.F. Barenghi and Y.A. Sergeev, ed. Vortices and Turbulence at Very Low Temperatures. Wien - New York: Springer, 2008, pp. 45-89.
• Barenghi CF, Kivotides D, Sergeev YA. Close approach of a spherical particle and a quantised vortex in helium II. Journal of Low Temperature Physics 2007, 148(3-4), 293-297.
• Kivotides D, Barenghi CF, Sergeev YA. Collision of a tracer particle and a quantized vortex in superfluid helium: Self-consistent calculations. Physical Review B - Condensed Matter and Materials Physics 2007, 75(21), -.
• Sergeev YA, Wang S, Meneguz E, Barenghi CF. Influence of normal fluid disturbances on interactions of solid particles with quantized vortices. Journal of Low Temperature Physics 2007, 146(3-4), 417-434.
• Kivotides D, Barenghi CF, Mee AJ, Sergeev YA. Interaction of solid particles with a tangle of vortex filaments in a viscous fluid. Physical Review Letters 2007, 99(7), 074501.
• Sergeev YA, Barenghi CF, Kivotides D. Tracer particles in turbulent superfluid helium. In: Advances in Turbulence XI: 11th EUROMECH European Turbulance Conference. 2007, Porto, Portugal: Springer-Verlag.
• Mee AJ, Kivotides D, Barenghi CF, Sergeev YA. Trajectories of solid particles in a tangle of vortex-filaments. In: Advances in Turbulence XI: 11th EUROMECH European Turbulance Conference. 2007, Porto, Portugal: Springer.
• Wang S, Sergeev YA, Barenghi CF, Harrison MA. Two-particle separation in the point vortex gas model of superfluid turbulence. Journal of Low Temperature Physics 2007, 149(1-2), 65-77.
• Sergeev YA, Barenghi CF, Kivotides D, Vinen WF. Instability of trajectories of inertial particles around vortex lines. Physical Review B 2006, 73(5), 052502.
• Sergeev YA, Barenghi CF, Kivotides D. Motion of micron-size particles in turbulent helium II. Physical Review B 2006, 74(18), 184506.
• Kivotides D, Barenghi CF, Sergeev YA. Numerical calculation of the interaction of superfluid vortices and a rigid sphere. Journal of Low Temperature Physics 2006, 144(4-6), 121-134.
• Kivotides D, Barenghi CF, Sergeev YA. Physics of solid particles in thermal counterflow. Europhysics Letters 2006, 73(5), 733-739.
• Kivotides D, Barenghi CF, Sergeev YA. Measurement of the Normal-Fluid Velocity in Superfluids. Physical Review Letters 2005, 95, 215302.
• Poole DR, Barenghi CF, Sergeev YA, Vinen WF. Motion of tracer particles in He II. Physical Review B 2005, 71(6), 064514.
• Poole DR, Barenghi CF, Sergeev YA, Vinen WF. Particle dynamics in helium II. Journal of Low Temperature Physics 2005, 138(3-4), 487-492.
• Sergeev YA, Swailes DC, Petrie CJS. Stability of uniform fluidization revisited. Physica A: Statistical Mechanics and its Applications 2004, 335(1-2), 9-34.
• Sergeev YA, Johnson RS, Swailes DC. Dilute suspension of high inertia particles in the turbulent flow near the wall. Physics of Fluids 2002, 14(3), 1042-1055.
• Sergeev YA, Swailes DC, Johnson RS. Dilute suspension of solid particles in the turbulent flow near the wall. In: ERCOFTAC Conference on Small Particles in Turbulence. 2002, Seville, Spain.
• Sergeev YA, Barenghi CF. Interaction of weakly nonlinear second sound waves with a vortex tangle in helium II. Journal of Low Temperature Physics 2002, 127(5-6), 203-214.
• Sergeev YA, Swailes DC. Predictive model of the turbulent flow of dilute gas-particulate suspension in a vertical pipe. Journal of Rheology 2000, 44(3), 499-526.
• Swailes DC, Devenish BJ, Sergeev YA, Kurdyumov VN. A PDF model for dispersed particles with inelastic particle-wall collisions. Physics of Fluids 1999, 11, 1858-1868.
• Sergeev YA, Iske PL, Kurdyumov VN, Moors JHJ. Particle phase boundary layer theory in vertical two-phase gas-solid flow. Physica A: Statistical Mechanics and its Applications 1998, 255(1-2), 26-47.
• Sergeev, Y.A., Gibilaro, L.G., Foscolo, P.U. and Brandani, S. The speed, direction and stability of concentration shocks in a fluidised bed. Chemical Engineering Science 1998, 53, 1233-1238.
• Sergeev YA, Zhurov AI. Asymptotic theory of two-phase gas-solid flow through a vertical tube at moderate pressure gradient. Physica A: Statistical and Theoretical Physics 1997, 236(3-4), 243-267.
• Sergeev YA, Zelenko VL, Tjin T, Iske PL. Clusters and particle segregation in gas-solid flow through a vertical tube. Physica A: Statistical and Theoretical Physics 1996, 226(3-4), 274-294.
• Baggaley AW, Barenghi CF, Sergeev YA. Quasiclassical and ultraquantum decay of superfluid turbulence. Physical Review B 2012, 85(6), 060501.
• Sergeev Y. Energy dissipation in extreme cold. Nature Physics 2011, 7(6), 451-452.
• Sciacca M, Sergeev YA, Barenghi CF, Skrbek L. Saturation of decaying counterflow turbulence in helium II. Physical Review B: Condensed Matter and Materials Physics 2010, 82(13), 134531.