A novel numerical model is proposed for modelling two-dimensional planar gas flows in granular phase change material (PCM). The mentioned model consists of system of equations based on the classical methods of mechani...
A novel numerical model is proposed for modelling two-dimensional planar gas flows in granular phase change material (PCM). The mentioned model consists of system of equations based on the classical methods of mechanics of heterogeneous media which is solved by original finite-difference algorithm. Effect of heat transfer with ambient medium on mushy zone propagation in the bed of granular PCM is investigated by means of numerical experiment. It is shown that phase transition speed can decrease significantly near the side walls of the bed in relation to the central region which provides curvature of the mushy zone boundaries and nonuniform melting of the PCM in the bed. Kind of curvature of these boundaries can change in dependence of heat conductivity coefficient of the PCM.
Ti/TiO2,Au electrodes were prepared via plasma electrolytic oxidation (PEO) of Ti plate, followed by deposition of a thin (10 nm) Au layer by electron beam evaporation (EBE). The electrodes obtained were used for pote...
详细信息
作者：
Romashko, Roman V.School of Natural Sciences
Far-Eastern Federal University Sector of Photonics and Optical Nanometrology Institute of Automation and Control Processes FEB RAS Russia
Fluorescent zinc blende structured pure and Mn2+ doped ZnS quantum dots were prepared by simple aqueous based technique at room temperature. Under UV-excitation the quantum dots show photoluminescence bands at 2.1 and...
详细信息
This paper deals with developing of method of spatial path planning for mobile robots of different types moving in unknown environment with obstacles. This method plans trajectories base on third-order Bezier splines ...
详细信息
ISBN:
(纸本)9783902734112
This paper deals with developing of method of spatial path planning for mobile robots of different types moving in unknown environment with obstacles. This method plans trajectories base on third-order Bezier splines using the data from onboard range sensors. It allows to automatically make decisions about the strategy of obstacles avoidance in horizontal or vertical planes considering the restrictions of mobile robots' propulsion system. Results of simulation confirm its high efficiency, low complexity and small computational capacity.
In this work, we present a novel pyrene-functionalized benzoxazine (Py-BZ)/single-walled carbon nanotubes (SWNTs) complex material as an efficient luminescent chemosensor for gaseous amines. It is shown that an intera...
详细信息
Successively forming GaSb islands by solid-phase epitaxy and covering them with a silicon layer, a nanostructured material containing 4 layers of GaSb nanocrystals (NCs) was grown on Si(111) surface. Due to a small si...
详细信息
Currently, scanning probe microscopy (SPM) is actively used to obtain surface data. A large number of images require a fast and high-accuracy calculation of the topographic parameters of particles on the surface. The ...
详细信息
The problems of energy efficiency and the prospects of information systems in the heat power industry are considered. Particular attention is paid to the framework for development of information and analytical systems...
详细信息
ISBN:
(纸本)9781538675328
The problems of energy efficiency and the prospects of information systems in the heat power industry are considered. Particular attention is paid to the framework for development of information and analytical systems. The applications of innovative information and analytical systems designed to improve reliability and energy savings are shown.
A highly ordered (Tl,Au)/Si(100)c(2×2) two-dimensional compound was found to form upon room-temperature adsorption of 1.0 monolayer (ML) of Au onto a Tl/Si(100)2×1 surface with 1.0 ML of Tl. The compound was...
详细信息
A highly ordered (Tl,Au)/Si(100)c(2×2) two-dimensional compound was found to form upon room-temperature adsorption of 1.0 monolayer (ML) of Au onto a Tl/Si(100)2×1 surface with 1.0 ML of Tl. The compound was determined to have a double-atomic-layer structure where Au and Tl atoms constitute the bottom and top layers, respectively. The compound is metallic due to the presence of the two dispersive surface-state bands crossing the Fermi level. The bands are spin split, and the peculiar feature of their spin texture is the occurrence of exclusively in-plane spin components that is originated from the C2v symmetry of the system. One of the bands has a typical vortical spin texture, whereas the other exhibits an unusual nonvortical spin texture.
暂无评论