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Zhongyu Mao, Ran Tao, Funan Chen, Huili Bi, Jingwei Cao, Yongyao Luo, Honggang Fan and Zhengwei Wang
During the starting up of the pump mode in pump turbines, the axial hydraulic force acting on the runner would develop with the guide vane opening. It causes deformation and stress on the support bracket, main shaft and runner, which influence the operat...
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Jianfeng Zhu, Guochen Huang, Maoguang Xu, Ming Liu, Bo Diao and Po Li
Combined with the development trend of high speed generators and the high voltage of DC microgrids in high-power series hybrid aero propulsion system, a set of hybrid systems with a power of 200 kW, voltage of 540 V, and speed of 21,000 r/min is establis...
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Jaehong Yu, Seoung Bum Kim, Jinli Bai and Sung Won Han
Recently, a number of data analysists have suffered from an insufficiency of historical observations in many real situations. To address the insufficiency of historical observations, self-starting forecasting process can be used. A self-starting forecast...
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Yifan Lu, Xihuan Sun, Yongye Li, Cheng Wang and Siyuan Tao
It is of great significance to explore the flow velocity characteristics of piped cars when they are started under different loads. In this paper, the flow velocity characteristics of the water flow around a piped car when it is started in the straight p...
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Mohamed A. A. Mohamed, Seang Shen Yeoh, Jason Atkin, Ahmed M. Diab, Mohsen Khalaf and Serhiy Bozhko
A control approach for aircraft Starter/Generator (S/G) with Permanent Magnet Machine (PMM) operating in Flux Weakening (FW) mode is presented. The proposed strategy helps the previous approaches which are adopted for the Variable Voltage Bus (VVB) or Vo...
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Yongzhou Li, Di Sun, Zejun Wu and Kunyuan Zhang
With the development of combined cycle engines, it is urgent to estimate more quickly and accurately the flow capture capacity and starting performance of variable geometry inlets over a wide Mach number range. Based on the flow field and parameter fitti...
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Domenica Seminario-Calle, Melissa Ortega-Maldonado, Verónica Pinos-Vélez, Juan Cisneros, Andrés Montero-Izquierdo, Paulina Echeverría-Paredes, Paola Duque-Sarango and Paúl Álvarez-Lloret
The consumption of batteries and cooking oil have been increasing. Most used batteries are disposed of incorrectly, leading to health and environmental problems because of their composition. In a similar form, cooking oil, once used, is often released by...
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Shujuan Yi, Ge Zhang, Yifei Li, Bohai Li, Laisheng Luo and Peng Wang
To mitigate the challenges associated with labor intensity and labor expenses in the rice seedling-raising process within greenhouses located in northern China, a comprehensive solution was developed in the form of a completely automated rice seedling-ra...
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Jun Liu, Jingzhe Chen and Huacheng Yuan
The Reynolds number effect induced by model scaling and inflow conditions will affect the aerodynamic and starting characteristics of a two-dimensional hypersonic inlet. This effect is investigated through a numerical simulation method. First, the numeri...
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Yanzhao Su, Minghui Hu, Jin Huang, Ling Su and Datong Qin
Experimental research is essential in the development of a hybrid electric vehicle. In this study, a bench test was conducted for a compound power-split hybrid electric vehicle (PSHEV) to analyze the real dynamic characteristics of its components and the...
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Javier López-Zambrano, Juan A. Lara and Cristóbal Romero
Authors are encouraged to provide a concise description of the specific application or a potential application of the work. This section is not mandatory.
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Palanisamy Mohan Kumar, Krishnamoorthi Sivalingam, Teik-Cheng Lim, Seeram Ramakrishna and He Wei
Small wind turbines are key devices for micro generation in particular, with a notable contribution to the global wind energy sector. Darrieus turbines, despite being highly efficient among various types of vertical axis turbines, received much less atte...
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H. K. Hetman,S. L. Marikutsa
Pág. 56 - 65
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Y. Hefer, M. C. Cant, J. A. Wiid
The purpose of this study was to determine the factors that motivate and challenge people when starting up their own small business. This paper includes the challenges that entrepreneurs encounter, advantages and disadvantages of owning ones own business...
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M. H. Visin,B. T. Vlasenko,D. H. Bilyi
Pág. 74 - 80
The article examines transitional processes in the power circuit of tractive motors and their influence on the work of stepped automatic starting of electric trains ER9T and EPL9T. The recommendations for increasing the reliability of operation of multip...
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O. M. Bondariev
Pág. 113 - 115
The article provides the results of theoretical calculations of short circuit emergency operation modes in supply circuits of the stator windings of asynchronous tractive motors at start-up of the locomotive, hauling a freight train.
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Jun Fang, Tianhong Zhang, Zhaohui Cen and Elias Tsoutsanis
The starter generator, characterized by controllable starting torque and disturbance in generator load torque, poses challenges for the multi-electric aero engine control. The key to addressing this issue lies in multi-electric aero engine control with t...
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Yuxin Zhao, Hengde Zhao, Yanlong Liu and Xiong Deng
Marine adaptive sampling is a technique that makes full use of limited observation resources by selecting the optimal positions. Recently, the design of an adaptive sampling scheme based on a mobile platform has become a research hotspot. However, adapti...
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Annio Indah Lestari Nasution,Aulia Indriani Suryono
Pág. 46 - 52
Abstract - The high percentage of educated unemployment rate in North Sumatra whom graduated from universities and diplomas is caused by the low supply of employment, high-income expectations, as well as skills that do not fit into the needs of employmen...
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