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3.109  Articles
1 of 312 pages  |  10  records  |  more records»
CFD is a promising and widely spread tool for a flow simulation in nuclear reactor fuel assemblies. One of the limiting factors is the complicated geometry of a spacer grid. It leads to the computational mesh with high number of cells and with possibility... see more

Grid pejarak berfungsi secara mekanik untuk menambah kekuatan perangkat bahan bakar nuklir (BBN) dari getaran yang ditimbulkan oleh aliran pendingin yang mengalir melalui celah subkanal di dalam perangkat BBN. Oleh sebab itu perlu dilakukan analisis termo... see more

The fretting behavior of nuclear fuel assemblies is influenced by a number of parameters. One of these is the fit between the fuel rod and the spacer grid, which changes during the fuel residence time in the core. The influence of fit on fretting has been... see more

An ultra wide band (UWB), reduced thickness four layers capacitive jaumann absorber (CJA) with measured reflectivity of -15 dB (minimum) from 2 GHz to 19 GHz is presented in this paper. The novel CJA is designed and implemented by modifying the jaumann ab... see more

Fretting damage to fuel rods reduces the service lives of the fuel assemblies and therefore increases reactor operating costs. The future development of fretting-resistant spacer grids necessitates the investigation of fretting behavior by means of model ... see more


The characteristics of bubbles of different sizes in fuel assembly are vital to two-phase flow resistance and heat transfer capacity. However, due to the swirl flow caused by the mixing vane, bubbles can crowd at the heated surface, which may anticipate t... see more

This paper presented a new algorithm for determining the distance of an object in front of a stereo camera placed on a helmet. By using a stereo camera with a Sum of Absolute Difference with a Sobel edge detector, our previous Grid-Edge-Depth map algorith... see more

The building of Engineering Faculty of Semarang University has potentially to instal a solar photovoltaic (SPV) rooftop.  It has emerged as a green energy technology to overcome climate change issues by reducing reliance on conventional fossil fuel e... see more

1 of 312 pages  |  10  records  |  more records»