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Wei Huang, Kailin Yang, Xinlei Guo, Jiming Ma, Jue Wang and Jiazhen Li
Complete characteristic curves of a pump-turbine are essential for simulating the hydraulic transients and designing pumped storage power plants but are often unavailable in the preliminary design stage. To solve this issue, a prediction method for the c...
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Wei Huang, Kailin Yang, Xinlei Guo, Jiming Ma, Jue Wang and Jiazhen Li
Complete characteristic curves of a pump-turbine are essential for simulating the hydraulic transients and designing pumped storage power plants but are often unavailable in the preliminary design stage. To solve this issue, a prediction method for the c...
ver más
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Guoqian Wei, Shanshan Li, Yongxing Guo and Zhang Dang
The real weld toe geometry is generally not mathematically perfect, resulting in obvious stress concentration effects, both on the weld section and along the longitudinal direction of the weld toe. The true stress-strain state at the local weld toe direc...
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Mauro Venturini, Stefano Alvisi, Silvio Simani and Lucrezia Manservigi
This paper deals with the comparison of different methods which can be used for the prediction of the performance curves of pumps as turbines (PATs). The considered approaches are four, i.e., one physics-based simulation model (“white box” mo...
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Fei Xue, Yunlong Zhang, Ning Cao and Liugang Li
In this paper, unsteady motion tests of a lateral jet adjusting an air vehicle?s attitude are carried out. Curves of pitch moment amplification factors (KM) for a lateral jet versus angle of attack (a) are obtained using a wind tunnel free-flight test te...
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Yurii Tomashevskyi,Oleksander Burykin,Volodymyr Kulyk,Juliya Malogulko
Pág. 6 - 12
Power grids are insufficiently equipped with means of monitoring of operating parameters. The infrastructure of commercial power consumption accounting systems is the most developed. However, power consumption information is stored in the aggregated form...
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