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S. T. Djabbarov
Pág. 61 - 70
Purpose. Studies of the effect of aerodynamic pressure on the maximum permissible speeds of a high-speed train on the existing railway infrastructure. Methodology. The study of the magnitude and direction of the aerodynamic pressure, its effect on the ma...
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D. M. Kurhan
Pág. 101 - 113
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S. T. Djabbarov
Pág. 92 - 100
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D. M. Kurhan
Pág. 136 - 145
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M. B. Kurhan
Pág. 127 - 132
The existing criteria of admitted speed definition of movement in curves are analysed, directions of development are specified by consideration of high-speed movement.
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Y. L. Bolshakov,A. V. Antonov
Pág. 57 - 70
Purpose. The paper is aimed to determinate the main ways of increasing resource efficiency and exploitation of coal current collector surface inserts of speed electric rolling stock. Methodology. The research is based on the technique relies on the use o...
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Evaldo A. Rodrigues, Daniel G. Costa, Francisco Junior, Leila T. B. L. Dantas, Gustavo De-Deus, Marco Simões-Carvalho and Emmanuel J. N. L. Silva
Endodontic reciprocating motors are largely used to support a series of procedures in dentistry treatments, useful for those different circular movement patterns. In the last years, different motors have been available on the market, with varying costs a...
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Siru Chen, Yao Shi, Guang Pan and Shan Gao
Aiming at the problem of unsteady cavitation during a projectile?s vertical water-exit process, scaled model experiments were carried out based on the self-designed underwater launch platform and high-speed cameras, which focus on changes in cavitation s...
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M. B. Kurhan
Pág. 37 - 45
The proposed new approach to division of railway sections into the optimization objects allows to use nonadditive criteria, depending on the task set up.
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Chunmeng Jiang, Jinhua Lv, Lei Wan, Jianguo Wang, Bin He and Gongxing Wu
The classic S-plane control method combines PD structure with fuzzy control theory, with the advantages of a simple control structure and fewer parameters to be adjusted. It has been proved as a practical method in an autonomous underwater vehicle (AUV) ...
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Ya-Jie Zhang, Huzaifa Jamil, Yan-Ju Wei and Ya-Jing Yang
Acoustic flame suppression is a potential technology which does away with the need to carry fire-extinguishing media and does not cause secondary pollution. We herein reported an experimental study on the displacement and extinction of jet diffusion flam...
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Hansheng Li, Fenglei Han, Haitao Zhu, Jiawei Zhang, Weipeng Zhang and Yuliang Wu
Diver propulsion vehicles (hereinafter referred to as DPV) are a kind of small vehicle with underwater high-speed used by divers, who are able to grasp or ride on, and operate the volume switch to change the speed. Different from unmanned underwater vehi...
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Bo Lu, Xiangdong Ni, Shufeng Li, Kezhi Li and Qingzheng Qi
According to the agronomic requirements of cotton precision seeding, the researchers designed a split seeding system to achieve high-speed precision seeding on the membrane. The 3D models used in the simulation process were created using Solidworks. They...
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Awos Kh. Ali,Iain Phillips,Huanjia Yang
Pág. 67 - 72
Networks performance is traditionally evaluated using packet delivery ratio (PDR) and latency (delay). We propose an addition mechanism the drop-burst length (DBL). Many traffic classes display varying application-level performance according to the patte...
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M. I. Kazakevich
Pág. 8 - 15
Only now, in the era of high-speed railway transport, there is a realization concerning the greatness of pioneering research 50 years ago of Academician V. A. Lazaryan, his fellow students, their demand and relevance in the evolutionary development of ra...
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M. B. Kurhan,M. A. Zaiats
Pág. 93 - 99
The technique of a substantiation of the minimal radius of a curve is stated at introduction of high-speed movement on the existing railway due to transfer of a part of a freight traffic on a parallel course.
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A. Orlova,W. Kik,H. Scheffel
Pág. 151 - 156
The reduce drive time it is necessary to increase the speed of trains. Modern high speed trains have the 3-metre bogie base and an even smaller one. The base size influences significantly not only the system movement stability but the bogie frame weight ...
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Shaohang Yan, Mingchen Qiang, Qi Zhao, Yu Hou and Tianwei Lai
In high-speed motors, there is a huge amount of heat generation from core and winding losses, which may result in thermal failures or motor performance deterioration. In the prevention of heat accumulation, efficient cooling technology is critical for sm...
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Chengyu Liang, Wei Xiong, Meiling Wang, David S. K. Ting, Rupp Carriveau and Zhiwen Wang
As an emerging flexible-scale energy storage technology, underwater compressed gas energy storage (UW-CGES) is regarded as a promising energy storage option for offshore platforms, offshore renewable energy farms, islands, coastal cities, etc. Liquid acc...
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Kyungwon Oh and Seonghee Kho
The purpose of this paper is to analyze the structural stability of an underwater high-speed vehicle. The drag characteristics of a moving body moving at high speed in water were analyzed, and a stability analysis of the structure was performed by applyi...
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