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Frank A. Plua, Francisco-Javier Sánchez-Romero, Victor Hidalgo, Petra Amparo López-Jiménez and Modesto Pérez-Sánchez
The selection of pumps as turbines (PATs) for their respective use in energy optimisation systems is a complicated task, because manufacturers do not provide the characteristic curves. For this reason, some research has been carried out to predict them w...
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Qingguo Kong and Wei Jia
To investigate the aerodynamic characteristics of the fan in windmilling conditions, a new body force model with the fan rotational speed prediction model was developed. The fan rotational speed prediction model was built based on the balance of fan outp...
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Wei Chu, Yao Zhao, Ganbo Zhang and Hua Yuan
The longitudinal vibration of the propulsion shaft system is a challenging issue for marine noise management. We conducted various static and dynamic tests on our built test rig for the shafting system, presenting the results in this paper. By combining ...
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Wenliao Du, Xukun Hou and Hongchao Wang
It is difficult to accurately extract the health index of non-stationary signals of rolling bearings under variable rotational speed, which also leads to greater prediction error for bearing degradation models with fixed parameters. For this reason, an a...
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Kazimierz A. Orlowski, Przemyslaw Dudek, Daniel Chuchala, Wojciech Blacharski and Tomasz Przybylinski
Cutting wood with circular saws is a popular machining operation in the woodworking and furniture industries. In the latter sliding table saws (panel saws) are commonly used for cutting of medium density fiberboards (MDF), high density fiberboards (HDF),...
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B. Ye. Bodnar,M. I. Kapitsa,D. N. Kyslyi
Pág. 63 - 71
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Linmin Shang, Jingwei Cao, Xin Jia, Shengrui Yang, Sainan Li, Lei Wang, Zhengwei Wang and Xiaobing Liu
The pumped storage power station plays a vital role in modern power systems, where the key component is the pump turbine. Variable-speed operation can improve the operating efficiency of the pump turbine and increase the operating efficiency under turbin...
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Gaoliang Wang, Binghua He, Dianlei Han, He Zhang, Xinzhong Wang, Yongcheng Chen, Xuegeng Chen, Rongqiang Zhao and Guoyu Li
This study aims to address the current situation of the late start of mechanized harvesting technology for the pod pepper, the high damage rate of existing pod pepper harvesters, and the lack of theoretical support for key harvesting components. The Hert...
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Yufang Wang and Nannan Wang
The effects of projectile rotation on the internal and external flow fields of the supersonic fluidic element are numerically studied using sliding grid technique and the RNG k-e turbulence model. The effects of rotating speed on internal and external fl...
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Li Zhou, Feng Wang, Feng Diao, Shifeng Ding, Hao Yu and Yang Zhou
The existence of ice in ice-covered waters may cause damage to the propeller of polar ships, especially when massive ice floes are submerged around the hull. This paper aims to simulate an interaction process of a direct ice collision with a propeller ba...
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Eugene Chaikovskaya
Pág. 57 - 68
An integrated system to support the functioning of a wind-solar electric system has been designed, based on predicting a change in the capacity of a rechargeable battery when measuring voltage at the input to a hybrid charge controller, voltage at the ou...
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Jacob E. Wilson, Stephen W. Grib, Adnan Darwish Ahmad, Michael W. Renfro, Scott A. Adams and Ahmad A. Salaimeh
Electrostatic Rotary bell (ESRB) atomizers are used as the dominant means of paint application by the automotive industry. They utilize the high rotational speed of a cup to induce primary atomization of a liquid along with shaping air to provide seconda...
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Rongsheng Zhu, Wenhao Shi, Gongchang Gan, Huairui Li, Dawei Yang, Yuchen Duan and Qiang Fu
To investigate the transient characteristics of high-speed axial flow water-jet pumps during start-up and emergency acceleration as well as to analyze how different accelerations affect the performance of internal flow, the k?? turbulence model of the SS...
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Edward Canepa, Andrea Cattanei and Fabio Mazzocut Zecchin
The effect of rotational speed and pressure rise on the leakage flow noise radiated by a low-speed axial fan, provided with rotating shroud, has been systematically investigated. The flow in the gap region has been studied by means of particle image velo...
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Tien Anh Tran
The marine main diesel engine rotational speed automatic control plays a significant role in determining the optimal main diesel engine speed under impacting on navigation environment conditions. In this article, the application of fuzzy logic control th...
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Tien Anh Tran
The marine main diesel engine rotational speed automatic control plays a significant role in determining the optimal main diesel engine speed under impacting on navigation environment conditions. In this article, the application of fuzzy logic control th...
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Shuaifeng Xing, Yang Yu, Guangqiao Cao, Jinpeng Hu, Linjun Zhu, Junyu Liu, Qinhao Wu, Qibin Li and Lizhang Xu
To address the issue of reduced yield in the second season caused by damaged stubbles resulting from being compressed during the harvesting process of the first season?s ratoon rice, a device for rectifying the compressed stubbles was designed. Utilizing...
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Xingcheng An, Xiupei Cheng, Xianliang Wang, Yue Han, Hui Li, Lingyu Liu, Minghao Liu, Meng Liu and Xiangcai Zhang
Wheat sowing has the characteristics of wide and short sowing periods, and there are situations in which the suitable sowing period is missed. In order to meet the needs of high-speed sowing, a centrifugal wheat strip seeding device was designed, the pri...
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Alessio Cappelli, Mauro Zaninelli, Sirio Cividino, Mattia Fiscella, Enrico Cini, Alessandro Parenti and Piernicola Masella
Chickpeas are one of the most widely consumed legumes in the world. Nevertheless, the literature is lacking studies on the effect of drying and milling processes on chickpea flour characteristics, thus motivating this work. The first aim of this work is ...
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Mengfei Chen, Jinfeng Liu, Qiaorui Si, Yun Liang, Zhongkun Jin and Jianping Yuan
Ducted propeller is a kind of special propeller widely used in unmanned underwater vehicles, its flow characteristics and hydrodynamic noise are very important for marine environmental protection and equipment concealment. The hybrid techniques based on ...
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