In this paper, the effects of two different Particle Size Distributions (PSD) on packingbehavior of ideal rigid spherical nanoparticles using a novel packing model based on parallelalgorithms have been reported. A mersenne twister algorithm was used to generate pseudorandomnumbers for the particles initial coordinates. Also, for this purpose a nanosized tetragonal confinedcontainer with a squar...

1) Institute of Zoology, Slovak Academy of Sciences, Dúbravská cesta 9, SK-84506 Bratislava, Slovakia (e-mail: [email protected]) 2) University of Trnava, Faculty of Education, Department of Biology, Priemyselná 4, P.O. Box 9, SK-91843 Trnava, Slovakia (e-mail: [email protected]) 3) Estación Experimental de Zonas Áridas (CSIC), Departamento de Ecología Funcional y Evolutiva, General S...

In textile industry, marker planning is one of the main operations in the cutting fabric stage. Marker packing is usually used to maximize cloth exploitation and minimize its waste. In this research, a method is used based on new found meta-heuristic imperialist competitive algorithm (ICA) and Bottom-Left-Fill Algorithm (BLF) to achieve optimal marker packing. Function of the proposed method wa...

In this work we have developed and characterized a novel fabrication process for producing dense, porous array of silica particles packed inside a plastic microfluidic channel. The novel approach relies on in-situ crystallization of colloidal silica particles within specific regions of a microchannel defined by plasma processing. These selfassembled silica colloids through a plastic microchanne...

Natural aggregates such as gravel are used in many construction applications for which porous structures needed, example to allow water drainage. However, the range of attainable porosities is limited due irregular shapes natural aggregates. Here we investigate artificial engineered shapes, with exceeding 0.7. In this study packings a variety aggregate examined by both numerical and experimenta...

The GEOTHER/VT4 computer code is an improved version of the GEOTHER computer code. The GEOTHER/VT4 code was applied to a two-dimensional simulation of a waste package in a high-level waste repository to predict the thermal-hydraulic environment where steam formation may occur. The thermal-hydraulic environment is important for assessing waste package container corrosion and packing material swe...

injection molding is one of the most common processes which are used for manufacturing different plastic parts. this method includes 3 continuous steps: filling of the mold, cooling and driving the part out. a wide range of plastic and non-plastic materials can be used as raw material in this process. one of the most important advantages of this way of production is that it is very economic. in...

Random sequential adsorption of spheres on a wavy surface was studied. It determined how structure influences random packing properties such as the fraction, kinetics growth, and two-particle density correlation function. Until substrate varies within range one order magnitude smaller than particle's diameter, packings obtained do not differ significantly from those flat surface. On other hand,...

ZnO nanorods with various aspect ratios (by changing the time of growth between 0-240 min) were synthesized using hydrothermal method and were investigated using XRD, SEM, UV–Vis and PL. It was found that growth time is directly coupled with the length, orientation and aspect ratio of the nanorod arrays. The optical transmittance of the NR arrays indicated a regular decrement of average transmi...