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ISSN: 0324-6051    frecuency : 4   format : Electrónica

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Volume 64 Number 4 Year 2019

10 articles in this issue 

Artur Zaporozhets

The method of fuel quality control is considered, which is based on the using of the oxygen sensor (without sensors of incomplete fuel combustion products). An algorithm for the electric drive of a fan is proposed, which is based on a step changing in the... see more

Pags. 241 - 248  

Noureddine Djebbar, Boualem Serier, Smail Benbarek, Benali Boutabout

The finite element method is used to solve mechanical and physical problems in engineering analysis and design. Primary stability has been regarded as a prerequisite for osseointegration of dental implants. Biomechanical factors play a key role in the suc... see more

Pags. 249 - 256  

Mourad Mokeddem, Houssem Laidoudi, Oluwole Daniel Makinde, Mohamed Bouzit

In this paper, three-dimensional numerical simulations are carried out to investigate and analyze the gradual effects of thermal buoyancy strength on laminar flow of an incompressible viscous fluid and heat transfer rate inside a 180° curved channel of sq... see more

Pags. 257 - 269  

Sándor Hajba, Tamás Tábi

In our work, the effect of Natural Rubber was investigated on the properties of Poly(Lactic Acid). We produced blends containing 0-20 wt% Natural Rubber with different manufacturing technologies (internal mixer and twin screw extrusion) and injection mold... see more

Pags. 270 - 277  

Min-Wen Wang, Fatahul Arifin, Van-Hanh Vu

Injection molding technology is known as the most widely used method in mass production of plastic products. To meet the quality requirements, a lot of methods were applied in optimization of injection molding process parameter. In this study the optimiza... see more

Pags. 278 - 294  

Tamás Huzsvár, Richárd Wéber, Csaba János Hos

One of the basic infrastructures of every settlement is the water distribution system, which provides clean and potable water for both private houses, industrial consumers and institution establishments. The operational robustness and vulnerabilities of t... see more

Pags. 295 - 300  

Milan Krafcík, Jana Perácková

The paper focuses on the experimental measurement of the accumulation of hot water storage with its thermal stratificational thermal layers by means created of elementary conical elements. The basic principle of these elements is the automatic distributio... see more

Pags. 301 - 307  

Balázs Farkas, Jeno Miklós Suda

The evaluation of a newly designed oil-free rotary compressor is presented based on transient 3D Computational Fluid Dynamics (CFD) simulations. The simulations are performed at low compression ratios and low pressure ratios and low rotational speeds. To ... see more

Pags. 308 - 318  

Sergii Gubskyi, Vitalii Yepifanov, Vitalij Chukhlib, Yevheniia Basova, Anton Okun, Maryna Ivanova; Olga Panamariova

One of the elements limiting the crane life cycle and affecting the safety of its operation is a metal structure. Currently, there is no single scientifically-based approach to assess the operational integrity of crane metal structures. The paper deals wi... see more

Pags. 319 - 325  

Roxána Varga, Robert Mettin

A parameter identification technique of an underlying bubble model of an experimentally observed single bubble in a cluster under dual-frequency external forcing is presented. The measurements are carried out via high-speed camera recordings at a rat... see more

Pags. 326 - 335