Imperial College London
Alternate

ProfessorDemetriosPapageorgiou

Faculty of Natural Sciences, Department of Mathematics

Chair in Applied Maths and Mathematical Physics
 
 
 
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Contact

 

+44 (0)20 7594 8369d.papageorgiou Website

 
 
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Location

 

750Huxley BuildingSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

152 results found

Tseluiko D, Blyth MG, Papageorgiou DT, Vanden-Broeck J-Met al., 2008, Effect of an electric field on film flow down a corrugated wall at zero Reynolds number, PHYSICS OF FLUIDS, Vol: 20, ISSN: 1070-6631

Journal article

Tseluiko D, Blyth MG, Papageorgiou DT, Vanden-Broeck J-Met al., 2008, Electrified viscous thin film flow over topography, JOURNAL OF FLUID MECHANICS, Vol: 597, Pages: 449-475, ISSN: 0022-1120

Journal article

Hameed M, Siegel M, Young Y-N, Li J, Booty MR, Papageorgiou DTet al., 2008, Influence of insoluble surfactant on the deformation and breakup of a bubble or thread in a viscous fluid, JOURNAL OF FLUID MECHANICS, Vol: 594, Pages: 307-340, ISSN: 0022-1120

Journal article

Papageorgiou DT, Vanden-Broeck J-M, 2007, Numerical and analytical studies of non-linear gravity-capillary waves in fluid layers under normal electric fields, IMA JOURNAL OF APPLIED MATHEMATICS, Vol: 72, Pages: 832-853, ISSN: 0272-4960

Journal article

Li F, Ozen O, Aubry N, Papageorgiou DT, Petropoulos PGet al., 2007, Linear stability of a two-fluid interface for electrohydrodynamic mixing in a channel, JOURNAL OF FLUID MECHANICS, Vol: 583, Pages: 347-377, ISSN: 0022-1120

Journal article

Grandison S, Papageorgiou DT, Vanden-Broeck J-M, 2007, Interfacial capillary waves in the presence of electric fields, EUROPEAN JOURNAL OF MECHANICS B-FLUIDS, Vol: 26, Pages: 404-421, ISSN: 0997-7546

Journal article

Gleeson H, Hammerton P, Papageorgiou DT, Vanden-Broeck J-Met al., 2007, A new application of the Korteweg-de Vries Benjamin-Ono equation in interfacial electrohydrodynamics, PHYSICS OF FLUIDS, Vol: 19, ISSN: 1070-6631

Journal article

Tseluiko D, Papageorgiou DT, 2007, Nonlinear dynamics of electrified thin liquid films, SIAM JOURNAL ON APPLIED MATHEMATICS, Vol: 67, Pages: 1310-1329, ISSN: 0036-1399

Journal article

Tseluiko D, Papageorgiou DT, 2006, A global attracting set for nonlocal Kuramoto-Sivashinsky equations arising in interfacial electrohydrodynamics, EUROPEAN JOURNAL OF APPLIED MATHEMATICS, Vol: 17, Pages: 677-703, ISSN: 0956-7925

Journal article

Ozen O, Aubry N, Papageorgiou DT, Petropoulos PGet al., 2006, Electrohydrodynamic linear stability of two immiscible fluids in channel flow, ELECTROCHIMICA ACTA, Vol: 51, Pages: 5316-5323, ISSN: 0013-4686

Journal article

Palaparthi R, Papageorgiou DT, Maldarelli C, 2006, Theory and experiments on the stagnant cap regime in the motion of spherical surfactant-laden bubbles, JOURNAL OF FLUID MECHANICS, Vol: 559, Pages: 1-44, ISSN: 0022-1120

Journal article

Tseluiko D, Papageorgiou DT, 2006, Wave evolution on electrified falling films, JOURNAL OF FLUID MECHANICS, Vol: 556, Pages: 361-386, ISSN: 0022-1120

Journal article

Ozen O, Aubry N, Papageorgiou DT, Petropoulos PGet al., 2006, Monodisperse drop formation in square microchannels, PHYSICAL REVIEW LETTERS, Vol: 96, ISSN: 0031-9007

Journal article

Ozen O, Papageorgiou DT, Petropoulos PG, 2006, Nonlinear stability of a charged electrified viscous liquid sheet under the action of a horizontal electric field, PHYSICS OF FLUIDS, Vol: 18, ISSN: 1070-6631

Journal article

Chauhan A, Maldarelli C, Papageorgiou DT, Rumschitzki DSet al., 2006, The absolute instability of an inviscid compound jet, JOURNAL OF FLUID MECHANICS, Vol: 549, Pages: 81-98, ISSN: 0022-1120

Journal article

Papageorgiou DT, Petropoulos PG, Vanden-Broeck J-M, 2005, Gravity capillary waves in fluid layers under normal electric fields., Phys Rev E Stat Nonlin Soft Matter Phys, Vol: 72, ISSN: 1539-3755

We study the formation and dynamics of interfacial waves on a perfect dielectric ideal fluid layer of finite depth, wetting a solid wall, when the region above the fluid is hydrodynamically passive but has constant permittivity, for example, air. The wall is held at a constant electric potential and a second electrode having a different potential is placed parallel to the wall and infinitely far from it. In the unperturbed state the interface is flat and the normal horizontally uniform electric field is piecewise constant in the liquid and air. We derive a system of long wave nonlinear evolution equations valid for interfacial amplitudes as large as the unperturbed layer depth and which retain gravity, surface tension and electric field effects. It is shown that for given physical parameters there exists a critical value of the voltage potential difference between electrodes, below which the system is dispersive and above which a band of unstable waves is possible centered around a finite wavenumber. In the former case nonlinear traveling waves are calculated and their stability is studied, while in the latter case the instability leads to thinning of the layer with the interface touching down in finite time. A similarity solution of the second kind is found to be dominant near the singularity, and the scaling exponents are determined using analysis and computations.

Journal article

Papageorgiou DT, Petropoulos PG, Vanden-Broeck JM, 2005, Gravity capillary waves in fluid layers under normal electric fields, PHYSICAL REVIEW E, Vol: 72, ISSN: 1539-3755

Journal article

Craster RV, Matar OK, Papageorgiou DT, 2005, On compound liquid threads with large viscosity contrasts, JOURNAL OF FLUID MECHANICS, Vol: 533, Pages: 95-124, ISSN: 0022-1120

Journal article

Fokas AS, Papageorgiou DT, 2005, Absolute and convective instability for evolution PDEs on the half-line, STUDIES IN APPLIED MATHEMATICS, Vol: 114, Pages: 95-114, ISSN: 0022-2526

Journal article

Volkov D, Papageorgiou DT, Petropoulos PG, 2005, Accurate and efficient boundary integral methods for electrified liquid bridge problems, SIAM JOURNAL ON SCIENTIFIC COMPUTING, Vol: 26, Pages: 2102-2132, ISSN: 1064-8275

Journal article

Papageorgiou DT, Vanden-Broeck JM, 2004, Antisymmetric capillary waves in electrified fluid sheets, EUROPEAN JOURNAL OF APPLIED MATHEMATICS, Vol: 15, Pages: 609-623, ISSN: 0956-7925

Journal article

Papageorgiou DT, Petropoulos PG, 2004, Generation of interfacial instabilities in charged electrified viscous liquid films, JOURNAL OF ENGINEERING MATHEMATICS, Vol: 50, Pages: 223-240, ISSN: 0022-0833

Journal article

Papageorgiou DT, Vanden-Broeck JM, 2004, Large-amplitude capillary waves in electrified fluid sheets, JOURNAL OF FLUID MECHANICS, Vol: 508, Pages: 71-88, ISSN: 0022-1120

Journal article

Craster RV, Matar OK, Papageorgiou DT, 2003, Pinchoff and satellite formation in compound viscous threads, PHYSICS OF FLUIDS, Vol: 15, Pages: 3409-3428, ISSN: 1070-6631

Journal article

Chauhan A, Maldarelli C, Rumschitzki DS, Papageorgiou DTet al., 2003, An experimental investigation of the convective instability of a jet, CHEMICAL ENGINEERING SCIENCE, Vol: 58, Pages: 2421-2432, ISSN: 0009-2509

Journal article

Blyth MG, Hall P, Papageorgiou DT, 2003, Chaotic flows in pulsating cylindrical tubes: a class of exact Navier-Stokes solutions, JOURNAL OF FLUID MECHANICS, Vol: 481, Pages: 187-213, ISSN: 0022-1120

Journal article

Savettaseranee K, Papageorgiou DT, Petropoulos PG, Tilley BSet al., 2003, The effect of electric fields on the rupture of thin viscous films by van der Waals forces, PHYSICS OF FLUIDS, Vol: 15, Pages: 641-652, ISSN: 1070-6631

Journal article

Barannyk LL, Papageorgiou DT, 2002, Fully nonlinear gravity-capillary solitary waves in a two-fluid system of finite depth, JOURNAL OF ENGINEERING MATHEMATICS, Vol: 42, Pages: 321-339, ISSN: 0022-0833

Journal article

Craster RV, Matar OK, Papageorgiou DT, 2002, Pinchoff and satellite formation in surfactant covered viscous threads, PHYSICS OF FLUIDS, Vol: 14, Pages: 1364-1376, ISSN: 1070-6631

Journal article

Wang YP, Papageorgiou DT, Maldarelli C, 2002, Using surfactants to control the formation and size of wakes behind moving bubbles at order-one Reynolds numbers, JOURNAL OF FLUID MECHANICS, Vol: 453, Pages: 1-19, ISSN: 0022-1120

Journal article

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