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ISSN: 0324-6051    frecuency : 4   format : Electrónica

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Volume 59 Number 3 Year 2015

7 articles in this issue 

Axel Groniewsky

Stochastic optimization algorithms are usually evaluated based on performance on high dimensional benchmark functions and results of these tests determine the direction of development. Benchmark functions however, do not emulate complex engineering proble... see more

Pags. 102 - 108  

Tamás Kalmár-Nagy, Bendegúz Dezso Bak, Tamás Benedek, János Vad

We describe a mechanical/acoustic study of a short-ducted axial flow fan. The purpose is to compare mechanical noise to that caused by flow phenomena.The eigenfrequencies of the fan are identified through measurement and finite element computations. The f... see more

Pags. 109 - 113  

Alexey Savkin, Artem Andronik, Ravishankar Abhilash

Three tests using photometrical analysis were completed for crack closure estimation and covered at present paper. Constant and variable amplitude loading cases are both analyzed. Inadequacy of contemporary crack closure estimation models to explain resul... see more

Pags. 114 - 119  

György Szabados, Ákos Bereczky

The present article focuses on the properties of renewable bio fuels with relevance to ICE (Internal Combustion Engine) use. The diesel (EN (European Norm) 590) was used as referent fuel, that was compared with the standardized biodiesel (EN 14214) and a ... see more

Pags. 120 - 125  

Tamás G. Molnár, Tamás Insperger

Regenerative machine tool chatter is investigated for milling operations with helical tools. The stability of a two-degrees-of-freedom milling model is analyzed, where the cutting-force is modeled as a force system distributed along the rake face of the t... see more

Pags. 126 - 136  

Ákos Pintér

This study describes a novel floor sensor network being developed to provide a competitive and universal pressure mapping technology for a wide range of medical, research and security applications. The presented sensor network consists of 16 sensor elemen... see more

Pags. 137 - 142  

Csaba Haraszkó, István Németh

In the framework of the COPERNICO research project configurators were developed under the Siemens Tecnomatix Plant Simulation software environment, which support the rapid creation of the discrete event simulation (DES) models of several types of manufact... see more

Pags. 143 - 152