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Journal of Polish CIMAC
2012 Vol. 7, no 3 261-267
EN Machining involves removing a surface layer from an object with the use of mechanical energy. It often happens that this process is very difficult or even impossible due to technical and economic problems ( big strength and tear resistance of the machined material). Therefore, new technological proc[...]
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Central European Journal of Energetic Materials
EN On the basis of the earlier methodology developed for generation of thermal decomposition mechanisms for organic compounds, computer simulation of trans-1,4,5,8-tetranitrodecahydro-pyrazino[2,3-b]pyrazine (TNAD) degradation is performed. The probable pathways of this decomposition are examined. The [...]
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80%
Journal of KONES
EN An important issue, which should be taken into account while analyzing the dynamics of vehicles moving along an uneven road surface, is the proper representation of its real shape. Two mathematical models of the road surface - continuous and discrete were considered in the method presented in this p[...]
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Journal of Automation Mobile Robotics and Intelligent Systems
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Bezpieczeństwo Pracy : nauka i praktyka
2012 nr 4 18-21
PL Z jednej strony szkolenia powinny być prowadzone w warunkach jak najbardziej przypominających rzeczywiste, nawet w przypadku prac niebezpiecznych, tak aby pracownik mógł uzyskać wysoki poziom kompetencji. Z drugiej zaś strony szkolenia nie powinny narażać ludzi na niebezpieczeństwo i ewentualne kosz[...]
EN On one hand, the training should be conducted under the most like real conditions, even in the case of dangerous work, so that the employee can obtain a high level of competence. On the other hand training should not to expose people to danger and possible costs associated with damage to property Th[...]
6
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Bio-Algorithms and Med-Systems
EN This study presents the results of numerical calculations of stress distribution in a model of healthy femur and after implantation of Weller II cement prosthesis. The obtained stress distribution allow for drawing conclusions about the processes of bone remodelling in the area of implant and for fo[...]
7
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Journal of KONES
EN The results of selected research of the results of the combustion engine cooling system which works with higher coolant temperatures are presented in this paper. The temperature of this liquid was increased to a higher level than the temperature of boiling water in normal conditions, by decreasing o[...]
8
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Journal of KONES
EN On the work one described chosen problems concerning of threats of the crew of the armoured personnel carrier with dynamic loads during crushing the obstacle. One paid attention on the lack of regulations regulative this problems. One described the general construction, and also worked out model of [...]
9
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Journal of KONES
EN Mathematical model for simulation of operation of the cooling system for the combustion engine with the equalizing tank was described in this paper. Results of digital simulation of influence of the air volume changes in equalizing reservoir on the control parameters of liquid temperature in the coo[...]
10
80%
Journal of KONES
EN The work presents the traffic safety issue related to a use of the road protective barriers. It describes a purpose and tasks that should be fulfilled by the safety system. Conditions of crash tests and their evaluation according to the requirements of the existing standard documents are also presen[...]
11
80%
Journal of KONES
EN High accident index in Poland, including one of the highest death rates in EU, forces undertaking the intense works in order to improve traffic safety. Published road accident statistics indicate that the most dangerous accidents include a vehicle collision with a tree, post or other road object. Th[...]
12
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Zeszyty Naukowe SGSP / Szkoła Główna Służby Pożarniczej
2011 Nr 42 7--14
EN The article presents the integration of digital topographic map of forests and short-term weather forecast al lowing to conduct a computer simulation of forest fire. To execute a simulation, a software was produced. The software includes deterministic mathematical model of forest fire, programmed on[...]
13
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Archiwum Odlewnictwa
2006 R. 6, nr 18/1 413--418
PL W artykule przedstawiono wybrany zakres prac badawczych i technologicznych dotyczących filtracji staliwa. Na przykładzie wybranego odlewu ogniwa gąsienicy maszyny budowlanej opisano symulację komputerową wypełniania wnęki formy poprzez układ wlewowy, w którym zainstalowano filtry ceramiczne piankowe[...]
EN In the article a chosen scope of research and technological work concerning the filtration of cast steel is presented. On the example of a chosen casting of the building machine caterpillar a simulation of the process of filling the mould cavity trough a gating system with the installed ceramic foam[...]
14
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Present Problems of Power System Control
2013 Nr 4 67--75
EN The article presents results of transitional processes computer simulation at switching-off unloaded power transmission line of rated voltage 220 kV by auto-compression (SF6) circuit-breakers. Transitional voltages (voltage across the line terminals and recovery voltage) at switching-off were calcul[...]
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Journal of Polish CIMAC
2011 Vol. 6, no 3 193-198
EN The article deals with a theoretical analysis of electrochemical machining using a tool electrode with curvilinear profile, vibrating into two directions. Physical phenomena occurring within the interelectrode gap have been described by a partial differential equations resulting from the balance of [...]
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Journal of Polish CIMAC
2011 Vol. 6, no 3 181-192
EN Electrochemical machining of curvilinear surfaces is one of the most basic and widely spread among electrochemical technology procedures for machine and tool parts. Constant parameters for preset machining time are hard to determine in this technology. This article presents a method of boundary cond[...]
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Materials Science Poland
2007 Vol. 25, No. 3 885--898
EN The C-Fe interaction in the (001) bcc Fe that contaning a vacancy was analyzed using a semiempirical theoretical method. A cluster model containing 125 atoms was used to simulate the local environment of the Fe vacancy. Carbon atoms were positioned in their local energy minima configurations. The mo[...]
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Materials Science Poland
2007 Vol. 25, No. 4 1193--1202
EN Due to progressive miniaturization one of the current challenges in microelectronics is to find materials with very low electric permittivity. The model of dense random packed spheres is applied to generate model systems of porous dielectric materials. Pores are represented by dense packed spheres. [...]
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Materials Science Poland
2012 Vol. 30, No. 4 414--418
EN Epitaxial Lateral Overgrowth (ELO) is a method of epitaxial growth on a partially masked substrate. It can be a promising method for photovoltaic applications due to a possibility of producing thin and high quality silicon substrates. Since the mask prevents propagation of the substrate dislocations[...]
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Zeszyty Naukowe / Akademia Morska w Szczecinie
EN This article presents basic principles of using simulation research in marine traffic engineering and describes a simulation method of waterway design. The author indicates the most common errors made when the procedures of simulation research are not followed, despite advanced ship handling simulat[...]
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