Results 41 to 50 of about 92,024 (303)
Study on hydrodynamic numerical simulation and radical offset characteristics of outflow cone valve
The Journal of Engineering, 2018 Aiming at the complicated internal flow state of hydraulic cone valve and the effect of fluid force on the performance, radial offset was seldom considered in the research of cone valve, so the inner flow field model of cone valve was established by UG ...
Xiaojing Wang +4 more
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IEEE Access, 2019 In order to approximately obtain sinusoidal air-gap magnetic field and get larger radial levitation force of the bearingless permanent magnet synchronous motor (BPMSM), a novel BPMSM with Halbach magnetized rotor is proposed.
Tao Zhang +3 more
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Analysis of Unsteady Pressure Fluctuation in a Semi-Open Cutting Pump
Energies, 2020 In order to understand the pressure fluctuation characteristics of a semi-open cutting pump, the three-dimensional unsteady flow fields were calculated. External and internal flow characteristics of four schemes with different relative angles between the
Weidong Cao, Jiayu Mao, Wei Li
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IET Electric Power Applications, 2021 Asymmetrical rotor topologies were previously proposed for synchronous reluctance motors (SynRM) to reduce the torque ripple. However, potential negative effect of these topologies on mechanical vibration, which is often serious in SynRM, was hardly ...
Yingqian Lin +4 more
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Performance of a centrifugal pump running in inverse mode [PDF]
, 2004 This paper presents the functional characterization of a centrifugal pump used as a turbine. It shows the characteristics of the machine involved at several rotational speeds, comparing the respective flows and heads.
Scanlon, T.J. +9 more
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Influence of Different Pole Head Shapes on Motor Performance in Switched Reluctance Motors
Advances in Electrical and Computer Engineering, 2020 The main reasons of the vibrations occurring in the stator of Switched Reluctance Motors (SRM) are the radial forces and they cause acoustic noise. This has an adverse effect on the performance of SRM.
POLAT, M., YILDIZ, A.
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Principle and Analysis of Radial-Force-Based Swirling Actuator for Low-Speed High-Torque Applications [PDF]
, 2022 This article proposes a swirling actuator that uses the electromagnetic radial force and mechanical gears to generate rotational torque. The proposed actuator generates a rotating radial force between an inner stator and a swirler.
Nakamura, Kimiaki +7 more
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Machines, 2022 In this paper, we designed flat conductor winding permanent magnet synchronous motors with three different rotor structures under certain boundary conditions.
Kai Zhao, Jian Luo
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Radial force control of multi-sector permanent magnet machines [PDF]
, 2016 The paper presents an alternative radial force control technique for a Multi-Sector Permanent Magnet machine (MSPM). Radial force control has been widely investigated for a variety of bearingless machines and can be also applied to conventional PMSM ...
Formentini, Andrea +14 more
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Numerical Simulation Research on Radial Force of Centrifugal Pump with Guide Vanes
Shock and Vibration, 2021 To reveal the internal unsteady flow state of the guide vane centrifugal pump, in this paper, the standard SST k‐ω turbulent flow model is used for unsteady numerical simulation of the centrifugal pump.
Dongrong Meng +3 more
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