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Abdelrahman S. Abdeldayem, Salma I. Salah, Omar A. Aqel, Martin T. White and Abdulnaser I. Sayma
Supercritical carbon dioxide (sCO2) can be mixed with dopants such as titanium tetrachloride (TiCl4), hexafluoro-benzene (C6F6), and sulphur dioxide (SO2) to raise the critical temperature of the working fluid, allowing it to condense at ambient temperat...
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Michael Mansour and Dominique Thévenin
This paper aims to summarize the results of several experimental investigations regarding two-phase liquid?gas flows in radial centrifugal pumps. The main objective is to combine the corresponding experimental results and collect the obtained knowledge t...
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Xavier Flete, Nicolas Binder, Yannick Bousquet and Sandrine Cros
In the current study, full-stage unsteady simulations were performed to investigate rotating instability inception mechanisms in a particularly large tip clearance centrifugal compressor with a vaneless diffuser and a volute. Four operating points along ...
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Haigang Wen, Wenjuan Lv and Guangtai Shi
A spiral axial-flow blade pump (SABP) is an indispensable device in the closed gathering and transporting technology of oil and natural gas exploitation; it can not only transport a gas?liquid mixture with a high gas content, but also transport a gas?liq...
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Haigang Wen, Luyao Li, Guangtai Shi, Haijun Ma and Xiaodong Peng
A spiral axial-flow blade pump (SABP), as the core piece of equipment in the oil and natural gas closed-gathering and transportation process, can not only transport gas?liquid mixtures with a high gas content, but can also transport gas?liquid?solid mixt...
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Takayuki Matsunuma and Takehiko Segawa
In an axial-flow turbine of a jet engine used for aircraft propulsion, the passage vortex (PV) and tip leakage vortex (TLV) generated inside the blade passage deteriorate the aerodynamic performance. In this study, a dielectric barrier discharge plasma a...
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Manqi Tang, Guangtai Shi, Wenjuan Lv, Xiaodong Peng and Zongliu Huang
Multiphase pumps operate under different flow conditions with different work performance. In order to reveal the energy conversion regulations in multiphase pumps under different flows, this paper presents an analysis of the effects of different flows on...
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Yingjie Chen, Le Cai, Dengyu Jiang, Yiyi Li and Songtao Wang
Experimental and numerical studies of a linear high-loaded turbine cascade with a dual-cavity tip structure are presented in this paper. The experimental conditions contained an increase in the outlet Mach number from 0.42 to 0.92, a change in the incide...
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Yanzhao Wu, Xiaohang Wang, Xiaolong Yang, Junfeng Ding, Di Zhu, Ran Tao, Huanmao Wang and Ruofu Xiao
Tubular turbine is a type of turbine with low-head. Due to the fact that the runner of a tubular turbine is of axial-flow type, there will be a certain width of blade tip between the blade and the chamber. In order to explore the influence of tip clearan...
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Yunkai Zhou, Giorgio Pavesi, Jianping Yuan and Yanxia Fu
A pump-jet, which is generally and widely adopted on underwater vehicles for applications from deep sea exploration to mine clearing, consists of a rotor, stator, and duct, with the properties of high critical speed, high propulsion efficiency, great ant...
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