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Madina Isametova,Dimitar Karaivanov,Rollan Nussipali
Pág. 49 - 58
The CAD/CAE/CAM method of end-to-end design of the impeller of a seven-stage submersible pump ODDESSEzentralasien ?UPP 13-7/6 used for pumping sulfuric acid in hydrometallurgy is presented.The studies are conducted in order to increase the efficiency of ...
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Ivan Pavlenko, Justyna Trojanowska, Oleksandr Gusak, Vitalii Ivanov, Jan Pitel, Vita Pavlenko
Pág. 52 - 56
The permanent increase of operating parameters of modern multistage centrifugal pumps requires more precise modelling for estimation their dynamic reliability and needs to develop new approach and methodology for the related calculations. It is necessary...
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Lixiong Gu, Chunguang Dong, Yi Zhang, Xiaoxia Zhen, Guiyuan Liu and Jianyi Ji
An approach is presented to investigate the 1:2 internal resonance of the sling and beam of a suspension sling?beam system. The beam was taken as the geometrically linear Euler beam, and the sling was considered to be geometrically nonlinear. The dynamic...
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Julian Chenin and Heather Bedle
An effective method of identifying and discriminating undersaturated gas accumulations remains unresolved, resulting in uncertainty in hydrocarbon exploration. To address this problem, an unsupervised machine learning multi-attribute analysis is performe...
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Denes Farago, Zoltan Dombovari
Pág. 91 - 99
The basic behavior of free vibratory nonlinear system is investigated in this work. The main approach was to reveal the order of fitting necessary to properly approximate the actual behavior of a nonlinear mechanical system. Tests were performed in an ex...
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Ting Jin, Guohua Kang, Jian Cai, Shaoxia Jia, Jinghua Yang, Xinghua Zhang, Zhenhua Zhang, Long Li and Fangfang Liu
The low-frequency disturbances transmitted by flexible cables are difficult to be attenuated for a novel disturbance-free payload spacecraft, which decreases the payload?s pointing accuracy and stability. In this research, a new spacecraft configuration ...
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