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H. K. Getman,Yu. V. Mykhaylenko,S. V. Arpul
Pág. 13 - 17
The procedure allowing to determine the optimum values of main external parameters of a locomotive for driving trains with the given train set and technical speed of motion is presented.
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Zhe Ma, Baoshan Zhu, Cong Rao and Yonghong Shangguan
Hydraulic turbines are usually required to operate in a wide range. The operation at off-design conditions not only reduces the unit efficiency, but also significantly deteriorates the dynamic stability of the turbines. In order to develop a turbine runn...
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Yuro Koga and Kayoko Yamamoto
It is important that both static and dynamic information is efficiently used to create a suitable tourism plan. However, collecting, accumulating and managing dynamic information can cost tourists time, money and energy. In the present study, an original...
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Yong Zhu, Qingyi Wu, Shengnan Tang, Boo Cheong Khoo and Zhengxi Chang
As the modern industry rapidly advances toward digitalization, networking, and intelligence, intelligent fault diagnosis technology has become a necessary measure to ensure the safe and stable operation of mechanical equipment and effectively avoid major...
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Sergii Sagin, Oleksiy Kuropyatnyk, Arsenii Sagin, Ivan Tkachenko, Oleksij Fomin, Václav Pí?tek and Pavel Kucera
The features of the operation of the drillship-type vessels in special ecological regions of Northern Europe are considered. The main gap in the study of these systems is to determine the optimal degree of recirculation. The requirements of the Internati...
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Yalei Bai and Donglei Wu
In daily operation, the flow state in the runner chamber of an axial flow pump is extremely complex, and the pressure pulsation caused by the vibration of the unit and the hydraulic excitation is also extremely complex. The pressure pulsation will also g...
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Petro Plieshkov,Andrii Kotysh,Andrii Nekrasov
Pág. 35 - 45
This paper reports solving an important scientific task of minimizing the economic losses caused by the established deviation and the asymmetry of voltage in the distributing electrical networks with a rated voltage of 10 kV.It has been found that t...
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Vladimir Zaykov,Vladimir Mescheryakov,Yurii Zhuravlov
Pág. 6 - 18
The effect of the variants of parameters of the original thermoelectric materials of the same efficiency on the operational dynamics of a single-cascade thermoelectric cooler has been examined. The variants differ by the coefficients of thermoEMF, electr...
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Combined heat and power production from biogas is now playing an important role in energy and resource utilization as well as pollution control in waste water treatment. This research used biogas from the Bali Sewage Treatment Plant in New Taipei City, T...
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Pavel Khristo
Pág. 15 - 35
The influence of unadjustable-speed AC drive and adjustable-speed DC drive of the drydock main pumps on the network of the Okean shipyard (Ukraine) is investigated in MatLab SimPowerSystems.To accurately simulate deep-bar induction motors, the own method...
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Honghai Wang, Fujun Wen, Guiqian Liu, Peng Jia, Feihong Yun, Liquan Wang, Yongchao Wang and Chao Li
To bridge the gap that exists in the key equipment of the new subsea production control system, the all-electric subsea gate valve actuator, and exploit subsea oil and gas resources with high reliability and safety while saving energy, this paper propose...
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Sergii Sagin, Sergey Karianskyi, Volodymyr Madey, Arsenii Sagin, Tymur Stoliaryk and Ivan Tkachenko
The results of the research work on biofuel?s impact on the environmental and economic performance of marine diesel engines are presented. During the research, a fuel mixture was used that consisted of the diesel fuel RMA10 and FAME biofuel. The objectiv...
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Yahui Luo, Defan Huang, Ping Jiang, Siliang Xiang, Jianfei Liu, Minzi Xu and Yixin Shi
Crop cultivation in solar greenhouses is affected by issues such as low levels of automation in spraying machinery, inefficient spraying, and a lack of suitable spraying equipment for vertically cultivated crops, all of which are in urgent need of resolu...
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Katarina Bäcklund, Marco Molinari and Per Lundqvist
Energy-intense activities and the unpredictable and complex behavior of building occupants lead to an increase in building energy demand. It is, therefore, crucial to study underlying factors for building energy demand related to the users. Higher educat...
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Jiang Wang, Kai Hu, Kechen Tang, Yubing Xing, Yani Xiao, Yutian Liu, Yonggao Yan and Dongwang Yang
Air conditioning has become a necessity in people?s daily life. The performance of the compressor determines the energy efficiency ratio of this electrical equipment, but the heat generated during the operation of its internal core power components will ...
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Yifan Wang, Kun Jin, Xingxing Huang, Fei Gai, Zhengwei Wang, Xingmin Liu and Lingjiu Zhou
This paper focuses on a 1000 MW Francis turbine and conducts a numerical analysis of the entire flow passage using computational fluid dynamics (CFD) under steady-state conditions. Building upon prior research, we further investigate the impact of an une...
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Adedeji Olushola Afolabi, Chukwuma Nnaji and Chioma Okoro
The purposes of this paper are to identify risk factors impacting the successful implementation of immersive reality technology (ImT) in the construction industry, analyze these risk factors (impact and probability), assess the relationships among differ...
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Bianca Goia, Tudor Cioara and Ionut Anghel
Virtual power plants (VPPs) are promising solutions to address the decarbonization and energy efficiency goals in the smart energy grid. They assume the coordination of local energy resources such as energy generation, storage, and consumption. They are ...
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Max Friedrich, Dale Richards and Mark Vollrath
(1) Background: The transition from conventional to remote aircraft control will necessitate the development of novel human machine interfaces. When we consider the pilot interface, icons are traditionally used to associate meanings with functions on the...
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Carlos Serrano, Jesus-Enrique Sierra-Garcia and Matilde Santos
Floating offshore wind turbines (FOWTs) are systems with complex and highly nonlinear dynamics; they are subjected to heavy loads, making control with classical strategies a challenge. In addition, they experience vibrations due to wind and waves. Furthe...
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