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- Kirstin R Purdy, Szabolcs Varga, Amparo Galindo, George Jackson, Seth Fraden
- Physical review letters
- 2005

We report experimental measurements of the phase behavior of mixtures of thin (charged semiflexible fd virus) and thick (fd-PEG, fd virus covalently coated with polyethylene glycol) rods with diameter ratio varying from 3.7 to 1.1. The phase diagrams of the rod mixtures reveal isotropic-nematic, isotropic-nematic-nematic, and nematic-nematic coexisting… (More)

- Takashi Tomii, Szabolcs Varga, Sayaka Imai, Hiroshi Arisawa
- ICMCS, Vol. 2
- 1999

This paper presents a new approach of modeling Video Scenes by adding meaning t o the shape of real world objects and simplifying it. I n order to store shapes and/or motions of objects that appear in real world scenes into the database, expressing the shape and its meaning and handling them ef-j?ciently are indispensable. For that purpose, we introduce a… (More)

- Szabolcs Varga, Seth Fraden
- The Journal of chemical physics
- 2007

The phase behavior of the system of parallel rigid triblock copolymers is examined using the second virial density functional theory. The triblock particle consists of two identical infinitely thin hard rods of finite lengths on the opposite ends of one central hard cylinder with nonzero length and diameter. Stability analyses and free energy calculations… (More)

- Paulo R. Pereira, Szabolcs Varga, Armando Carlos Oliveira, João Soares
- Front. Mech. Eng.
- 2015

Citation: Pereira PR, Varga S, Oliveira AC and Soares J (2015) Development and performance of an advanced ejector cooling system for a sustainable built environment. Ejector refrigeration is a promising technology for the integration into solar driven cooling systems because of its relative simplicity and low initial cost. The major drawback of such a… (More)

- Miguel González-Pinto, Yuri Martínez-Ratón, Enrique Velasco, Szabolcs Varga
- Physical chemistry chemical physics : PCCP
- 2015

We extend our previous work on monolayers of uniaxial particles [J. Chem. Phys., 2014, 140, 204906] to study the effect of particle biaxiality on the phase behavior of liquid-crystal monolayers. Particles are modelled as board-like hard bodies with three different edge lengths σ1 ≥ σ2 ≥ σ3, and the restricted-orientation approximation (Zwanzig model) is… (More)

- Szabolcs Varga, Yuri Martínez-Ratón, Enrique Velasco
- Journal of physics. Condensed matter : an…
- 2014

The effect of cylindrical confinement on the phase behaviour of a system of parallel hard rods is studied using Onsager's second-virial theory. The hard rods are represented as hard cylinders of diameter D and length L, while the cylindrical pore is infinite with diameter W. The interaction between the wall and the rods is hard repulsive, and it is assumed… (More)

- Szabolcs Varga
- 2014

The present project aims to present an alternative method for the determination of the inelastic displacements using pushover analysis and directly generated inelastic spectra. The determination of the target displacement is similar to Fajfar`s N2 method, employed in Eurocode 8. Unlike the EC8, where empirical formulas are used for describing the inelastic… (More)

- Szabolcs Varga, Kirstin Purdy, Amparo Galindo, Seth Fraden, George Jackson
- Physical review. E, Statistical, nonlinear, and…
- 2005

The fundamental nature of the nematic-nematic phase separation in binary mixtures of rigid hard rods is analyzed within the Onsager second-virial theory and the extension of Parsons and Lee which includes a treatment of the higher-body contributions. The particles of each component are modeled as hard spherocylinders of different diameter , but equal length… (More)

- Jorge Facão, Szabolcs Varga, Armando C. Oliveira
- 2003

In the last decade, artificial neural networks (ANNs) have been receiving an increasing attention for simulating engineering systems due to some interesting characteristics such as learning capability, fault tolerance, speed and non-linearity. This paper describes an alternative approach to assess two types of hybrid solar collector/heat pipe systems (plate… (More)

- Szabolcs Varga, Amparo Galindo, George Jackson
- Physical review. E, Statistical, nonlinear, and…
- 2002

The phase behavior of a liquid-crystal forming binary mixture of generic hard rodlike and platelike particles is studied with the theory of Onsager [L. Onsager, Ann. N. Y. Acad. Sci. 51, 627 (1949)] for nematic ordering. The mixture is chosen to be symmetric at the level of the second virial theory, so that the phase behavior of the two pure components is… (More)

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