[HTML][HTML] Unsteady pressure pulsations in pumps—A review

N Zhang, D Li, B Gao, D Ni, Z Li - Energies, 2022 - mdpi.com
Unsteady pressure-pulsation-induced severe vibration and high alternating stress can
cause some unexpected results, including impeller crack and structural damage of the entire …

Effects of flow rate and rotational speed on pressure fluctuations in a double-suction centrifugal pump

Z Wang, Z Qian, J Lu, P Wu - Energy, 2019 - Elsevier
Pressure fluctuations in double-suction centrifugal pumps are greatly affected by the flow
rate and rotational speed. An experimental investigation was carried out to determine effects …

Hydrodynamics characteristics of non-uniform inflow in reactor coolant pump based on time-resolved tomographic particle image velocimetry

Y Song, R Xu, Y Song, Y Long, J Yin, D Wang - Physics of Fluids, 2022 - pubs.aip.org
Non-uniform inflow at the inlet of a reactor coolant pump generates performance variations,
such as in the head, efficiency, cavitation, and vibrations. The three-dimensional velocity …

Influence mechanism of the non-uniform inflow on performance of reactor coolant pump

Y Song, S Huang, R Xu, Z Zhang, J Yin… - Annals of Nuclear Energy, 2023 - Elsevier
Abstract In Advanced Passive (AP) series reactors, the reactor coolant pump (RCP) is
directly connected to the bottom of the steam generator (SG) rather than a longer pipe for the …

Research progress and prospects on the hydrodynamic characteristics of two-phase flow in reactor coolant pumps under non-uniform inflow

Y Long, M Zhang - Nuclear Engineering and Design, 2024 - Elsevier
In the design of the third-generation nuclear power plant, two vertical reactor coolant pumps
(RCP) are installed upside down at the bottom of the steam generator, which is limited by the …

[HTML][HTML] Experimental and numerical investigation on the pressure pulsation in reactor coolant pumps under different inflow conditions

S Huang, Y Song, J Yin, R Xu, D Wang - Nuclear Engineering and …, 2023 - Elsevier
A reactor coolant pump (RCP) is essential for transporting coolant in the primary loop of
pressurized water reactors. In the advanced passive reactor, the absence of a long pipeline …

Multiobjective optimization design and experimental investigation on the axial flow pump with orthogonal test approach

Y Zhang, Y Xu, Y Zheng, E Fernandez-Rodriguez… - …, 2019 - Wiley Online Library
A multiobjective optimization technique based on the computational fluid dynamics (CFD)
simulations and the orthogonal test is proposed to reduce the pressure pulsation in this …

Experimental and numerical investigation of non-uniform inflow on cavitation characteristics of reactor coolant pumps

Y Song, S Huang, R Xu, Z Zhang, J Yin… - Nuclear Engineering and …, 2022 - Elsevier
This study discusses the effect of non-uniform inflow on the cavitation characteristics of the
reactor coolant pump (RCP). Using a combination of experimental study and numerical …

Effects of rotating speed on the unsteady pressure pulsation of reactor coolant pumps with steam-generator simulator

R Xu, Y Long, D Wang - Nuclear Engineering and Design, 2018 - Elsevier
Non-uniform suction flow is generated at the inlet of the reactor coolant pump due to the
complex geometry of the steam-generator simulator. From our previous work, the non …

Dynamic flow behavior and performance of a reactor coolant pump with distorted inflow

Y Li, Z Fan, D Guo, X Li - Engineering Applications of …, 2020 - Taylor & Francis
In the operation of a nuclear plant system, a distorted inflow of a reactor coolant pump
appears owing to the steam generator channel head and multi-bend, leading to the …