Search Results - "Jereb, L."

CFD Simulation of an Industrial PEM Fuel Cell with Local Degradation Effects by Fink, C., Gößling, S., Karpenko‐Jereb, L., Urthaler, P.

“…The polymer electrolyte membrane (PEM) fuel cell model of a commercial software package is presented. The basic performance model is extended by two chemical…”
Get full text

Membrane degradation model for 3D CFD analysis of fuel cell performance as a function of time by Karpenko-Jereb, L., Sternig, C., Fink, C., Tatschl, R.

“…The paper describes a development of a degradation model, which enables to predict time-dependent changes in performance of a polymer electrolyte fuel cell…”
Get full text

Advanced CFD Analysis of an Air-cooled PEM Fuel Cell Stack Predicting the Loss of Performance with Time by Fink, C., Karpenko-Jereb, L., Ashton, S.

“…The PEM fuel cell simulation package developed by AVL List GmbH is coupled with a semi‐empirical degradation model describing the dependency of material…”
Get full text

Priority of V. A. Kistyakovskii in the Discovery of Hydration by Shaposhnik, V. A., Karpenko-Jereb, L. V.

“…The priority of V.A. Kistyakovskii in the discovery of hydration was substantiated. The history of D.I. Mendeleev’s chemical theory of hydrates and S…”
Get full text

Theoretical study of the influence of material parameters on the performance of a polymer electrolyte fuel cell by Karpenko-Jereb, L., Sternig, C., Fink, C., Hacker, V., Theiler, A., Tatschl, R.

“…The paper presents a systematic investigation of the influence of alterations in the values of the polymer electrolyte membrane, catalyst layers and gas…”
Get full text

A novel membrane transport model for polymer electrolyte fuel cell simulations by Karpenko-Jereb, L., Innerwinkler, P., Kelterer, A.-M., Sternig, C., Fink, C., Prenninger, P., Tatschl, R.

“…This work presents the development of a 1D model describing water and charge transport through the polymer electrolyte membrane (PEM) in the fuel cell. The…”
Get full text

Sulfonic Membrane Sorption and Permeation Properties: Complementary Approaches to Select a Membrane for Pervaporation by Chappey, C, Fatyeyeva, K, Rynkowska, E, Kujawski, W, Karpenko-Jereb, L, Kelterer, A.-M, Marais, S

“…In this contribution, the physical and chemical properties of the dense sulfonic membrane IonClad R4010 in the lithium form were studied to evaluate its…”
Get full text

On the Schroeder paradox for nonionogenic polymers by Roldughin, V. I., Karpenko-Jereb, L. V.

“…The well-known Schroeder paradox, i.e., the difference in the degrees of swelling of nonionogenic polymers occurring at equilibrium with liquid and vapor…”
Get full text

On the Schroeder paradox for ion-exchange polymers by Roldughin, V. I., Karpenko-Jereb, L. V.

“…The known Schroeder paradox, i.e., a difference in the degree of swelling of ion-exchange polymers at equilibrium with liquid water and its vapor, has been…”
Get full text

Effect of Water on the Modular Structure Conformation of “Polikon K” Material by Terin, D. V., Kardash, M. M., Karpenko-Jereb, L. V.

“…This paper presents the developed probabilistic spatial model fragments of the structure of polyacrylonitrile fiber, the monomerization composition (condensing…”
Get full text

Determination of structural, selective, electrokinetic and percolation characteristics of ion-exchange membranes from conductive data by Karpenko-Jereb, Larisa V., Berezina, Ninel P.

“…The structural, selective and electrokinetic characteristics and percolation parameters were determined for different ion-exchange polymer membranes from their…”
Get full text

Study of voltage cycling conditions on Pt oxidation and dissolution in polymer electrolyte fuel cells by Kovtunenko, V.A., Karpenko-Jereb, L.

“…This paper is devoted to study the electrochemical behavior of Pt catalyst in a polymer electrolyte fuel cell at various operating conditions and at different…”
Get full text

Adaptive statistical algorithms in network reliability analysis by Levendovszky, J., Jereb, L., Elek, Zs, Vesztergombi, Gy

“…The paper is concerned with introducing novel algorithms, such as adaptive approximation and deterministic radial basis function (RBF) method, for calculating…”
Get full text

PLANET: a tool for telecommunication network by Jereb, L., Jakab, T., Telek, M., Sipos, A., Paksy, G.

“…PLANET is an integrated software package aiding several steps of the transmission network planning, as well as the traffic simulation. The database of PLANET…”
Get full text

PLANET: a tool for telecommunication network planning and its applications in Hungary by Jereb, L, Jakab, T, Telek, M, Sipos, A, Paksy, G

“…PLANET is an integrated software package aiding several steps of the transmission network planning, as well as the traffic simulation. The database of PLANET…”
Get full text

ATM simulation with CLASS by Marsan, M.Ajmone, Bianco, A., Do, T.V., Jereb, L., Lo Cigno, R., Munafò, M.

“…The paper describes an efficient, versatile and extensible software tool for the analysis of the quality of connectionless services in ATM networks. The tool…”
Get full text

Fritz pregl, inventor of quantitative elemental microanalysis of organic compounds by Karpenko-Jereb, L. V., Shaposhnik, V. A.

“…A sketch of the life of Nobel laureate Fritz Pregl is presented based on the materials of the Archive and Museum of Karl-Franzens University of Graz, Austria…”
Get full text

Study of voltage cycling conditions on Pt oxidation and dissolution in polymer electrolyte fuel cells by Kovtunenko, V. A, Karpenko-Jereb, L

“…Journal of Power Sources, Volume 493, 2021, 229693 This paper is devoted to study the electrochemical behavior of Pt catalyst in a polymer electrolyte fuel…”
Get full text

Performance index based network reliability analysis with stratified sampling by Jereb, L., Kiss, A.

“…The evolution of communication technologies results in continuously increasing capacities and higher concentration of traffic on relatively fewer network…”
Get full text

FLEXPLANET, a Flexible Multi-Layer Network Design Tool by Zsoka, Z., Jereb, L., Izso, T., Unghvary, F.

“…There is a permanent need for planning and analysis of existing networks, provisioning of new demands, installing new components in the network, and study…”
Get full text