Central European Journal of Engineering
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Erratum to Central European Journal of Engineering, Volume 4, Issue 1
Central European Journal of Engineering - Tập 4 - Trang 209-209 - 2014
Paper by M. Ajay Kumar, N. V. Srikanth, et al. “An adaptive neuro fuzzy inference system controlled space cector pulse width modulation based HVDC light transmission system under AC fault conditions” in Volume 4, Issue 1, 27–38/March 2014 doi: 10.2478/s13531-013-0143-4 contains an error in the title. The correct title is presented below
Methodology for evaluate the form deviations for formula one nose car
Central European Journal of Engineering - Tập 4 - Trang 148-154 - 2014
The paper presents a measuring strategy for a Formula One car using a Coordinate Measuring Machine (CMM) and a 3D laser scanning devices. The measurement procedures outlined the dimensional deviation of the CAD model and prototype made of composite material. The authors present two methods for the determination of symmetry for components of a Formula One car based on measuring and 3D scanning.
Experimental analysis and simulation of effective factors on explosive forming of spherical vessel using prefabricated four cones vessel structures
Central European Journal of Engineering - Tập 2 - Trang 656-664 - 2012
Construction of spherical vessel in various dimensions is known as one of the frequent problems for construction and production engineers, since conventional methods of shell construction require mold and press which leads to higher costs of production. Therefore, current work has tried to investigate a new method based on explosive forming without using molds. In this technique, final shape of th......
Experimental and analytical study of high velocity impact on Kevlar/Epoxy composite plates
Central European Journal of Engineering - Tập 2 - Trang 638-649 - 2012
In the present study, impact behavior of Kevlar/Epoxy composite plates has been carried out experimentally by considering different thicknesses and lay-up sequences and compared with analytical results. The effect of thickness, lay-up sequence on energy absorbing capacity has been studied for high velocity impact. Four lay-up sequences and four thickness values have been considered. Initial veloci......
Experimental and numerical investigation of slabs on ground subjected to concentrated loads
Central European Journal of Engineering - Tập 4 - Trang 210-225 - 2014
An experimental program is presented where a slab on ground is subjected to concentrated loading at the centre, the edges and at the corners. Analytical solutions for the ultimate load capacity fit well with the results obtained in the tests. The non-linear behaviour of the slab is captured by performing nonlinear finite element analyses. The soil is modelled as a no-tension bedding and a smeared ......
A facile fabrication of Cu2O nanowire arrays on Cu substrates
Central European Journal of Engineering - Tập 2 - Trang 364-368 - 2012
Nanomaterials play an important role in modern science and engineering. The ability to fabricate nanomaterials with high quality and low cost is a primary stage for further discovering their applications. This research article presents a facile fabrication of Cu2O nanowires on Cu substrate. It was found that simply heating Cu in air leads to the growth of Cu2O nanowires. The Cu2O nanowires are ali......
Numerical transient state analysis of partly obstructed haemodynamics using FSI approach
Central European Journal of Engineering - Tập 3 - Trang 285-305 - 2013
Blood interacts in compliance with the vessels it flows in, determining effects of fluid-structure interaction (FSI). Using this approach, the present paper analyses the blood flow and its pathological conditions before diagnostic (Doppler catheters) or pathological (stenoses) obstacles. Catheters are concentric cylinders with defined vessels, whereas stenoses are shaped as triangles, trapeziums o......
Some functional properties of composite material based on scrap tires
Central European Journal of Engineering - Tập 3 - Trang 492-496 - 2014
The utilization of scrap tires still obtains a remarkable importance from the aspect of unloading the environment from non-degradable waste [1]. One of the most prospective ways for scrap tires reuse is a production of composite materials [2] This research must be considered as a continuation of previous investigations [3, 4]. It is devoted to the clarification of some functional properties, which......
Ultrasonic detection of spall damage induced by low-velocity repeated impact
Central European Journal of Engineering - Tập 2 - Trang 650-655 - 2012
This paper address the examination of spall damage in medium carbon steel subjected to a repeated impact testing. The experiments were performed well below the threshold spall-stress of 2.6 GPa and the damage introduced in the subsurface volume was investigated using the low frequency scanning acoustic microscopy. Based on B- and C-scan images (the images taken along and perpendicular to the impac......
A novel active contour model for unsupervised low-key image segmentation
Central European Journal of Engineering - Tập 3 - Trang 267-275 - 2013
Unsupervised image segmentation is greatly useful in many vision-based applications. In this paper, we aim at the unsupervised low-key image segmentation. In low-key images, dark tone dominates the background, and gray level distribution of the foreground is heterogeneous. They widely exist in the areas of space exploration, machine vision, medical imaging, etc. In our algorithm, a novel active co......
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