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Zhenqian Sun, Kanghua Tang, Xueying Wang, Meiping Wu and Yan Guo
When a high-speed train is running in a tunnel, the global navigation satellite system (GNSS) signal is completely lost. Relying only on the inertial navigation system (INS) composed of Micro-electromechanical Systems (MEMS) devices leads to large naviga...
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Wenbin Shi, Yichao Zhang, Yiming Li, Xing?an Liu, Sida Meng, Tianlai Li and Liping Zhao
To enhance the utilization of solar energy in Chinese solar greenhouses (CSGs), a new method for optimizing the internal lighting environment of CSGs using reflective films is proposed. The influence of different positions and angles of reflecting film o...
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Rafel Roig, Xavier Sánchez-Botello, Berhanu Mulu, Carl-Maikel Högström and Xavier Escaler
The growing installation of intermittent renewable energy sources is forcing hydraulic turbines to work more frequently at speed no load when dangerous vaneless space vortex structures and stochastic flow phenomena can occur. An experimental campaign has...
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Amrita Dutta, Scott P. Breloff, Dilruba Mahmud, Fei Dai, Erik W. Sinsel, Christopher M. Warren and John Z. Wu
Awkward kneeling in sloped shingle installation operations exposes roofers to knee musculoskeletal disorder (MSD) risks. To address the varying levels of risk associated with different phases of shingle installation, this research investigated utilizing ...
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Setiadi Wira Buana, Putty Yunesti, Guna Bangun Persada, Abdul Muhyi
Pág. 86 - 90
This research aims to determine performance of turbine rotor performance with a single rotor blade model with a diameter of 0.6 m that has been developed by NORCOWE, while for turbine rotor blades used is the NREL S826 airfoil series. The wind turbines a...
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Setiadi Wira Buana, Putty Yunesti, Guna Bangun Persada, Abdul Muhyi
Pág. 86 - 90
This research aims to determine performance of turbine rotor performance with a single rotor blade model with a diameter of 0.6 m that has been developed by NORCOWE, while for turbine rotor blades used is the NREL S826 airfoil series. The wind turbines a...
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Weixin Zhou, Yao Zhao, Hua Yuan and Zhaoxin Ren
The unclear change laws of bearing offset and rotation, both of which influence the condition of shaft alignment during hull deformation, make it difficult to optimize shafting design. In this paper, an integrated hull-bearing-shaft model is designed and...
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Yang Liu, Ziyuan Xu, Huafei Du and Mingyun Lv
Stratospheric airships with a solar array have demonstrated overwhelming superiority in many aspects, such as earth observation, meteorological survey, and communication relay. The solar array supplies sufficient power for the airship to be in flight for...
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Vincenzo Cusati, Salvatore Corcione, Danilo Ciliberti and Fabrizio Nicolosi
This paper deals with the experimental assessment of the aerodynamic characteristics of an innovative large turboprop aircraft. The configuration is a three-lifting surfaces airplane with rear engine installation at tail tips, conceived to carry up to 13...
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Ruigeng Hu, Xiuhai Wang, Hongjun Liu and Yao Lu
A series of laboratory experiments were conducted in a wave-current flume to investigate the scour evolution and scour morphology around tripod in combined waves and current. The tripod model was made using the 3D printing technology, and it was installe...
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Gangnian Xu, Youzhi Wang, Yefeng Du, Wenshuai Zhao and Laiyong Wang
The friction-type high-strength bolted (FHSB) T-stub connection has been widely used in steel structures, due to their good fatigue resistance and ease of installation. While the current studies on FHSB T-stub connections mainly focus on the structural b...
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V?l?dymyr Kudryavtsev,Borys Strigun,Volodymyr Shmyrov,Vasiliy Loginov
Pág. 6 - 16
In order to maintain the competitive advantage of the medium short take-off and landing transport aircraft, the task must be solved of ensuring take-off and landing on the ground runways with a length of 600?800 m when installing a turbojet engine.W...
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Ivan Nazarenko,Anatoly Svidersky,Alexandr Kostenyuk,Oleg Dedov,Nikolai Kyzminec,Volodymyr Slipetskyi
Pág. 43 - 49
A new scheme for the excitation of vibrations of the working bodies of the blocks of a vibration unit based on a change in the phase angles of unbalances between themselves is developed. The implementation of such an idea allows for one revolution of imb...
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Oscar Danilo Montoya, Luis Fernando Grisales-Noreña, Lázaro Alvarado-Barrios, Andres Arias-Londoño and Cesar Álvarez-Arroyo
This research addresses the problem of the optimal placement and sizing of (PV) sources in medium voltage distribution grids through the application of the recently developed Newton metaheuristic optimization algorithm (NMA). The studied problem is formu...
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