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Investigation on performance in water jet pump under turning conditions [PDF]
Advances in Mechanical Engineering, 2022 Turning has a significant effect on the performance of water-jet pump. Here, the axial flow water-jet pump was used as the research object, the performance and inner flow characteristics of water-jet pump under different turning angle were simulated ...
Hou-Lin Liu +4 more
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Performance of water-jet pump under acceleration
International Journal of Naval Architecture and Ocean Engineering, 2021 The instantaneous acceleration affects the performance of the water-jet pump obviously. Here, based on the user-defined function, the method to simulate the inner flow in water-jet pumps under acceleration conditions was established.
Xian-Fang Wu +4 more
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Evaluation of a Jet-Pump for the Improvement of Oil-Water Flow in Pipeline Loops Using CFD Tools [PDF]
E3S Web of Conferences, 2021 Despite their low efficiency compared with centrifugal pumps, jet pumps are highly reliable, robust equipment with modest maintenance, ideal for many applications, mainly in the oil & gas industry.
Asuaje Miguel +2 more
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Energy Science & Engineering, 2023 Coalbed methane extraction promotes energy exploitation and alleviates the greenhouse effect. This study aimed to analyze the technical potential of a high‐pressure gas–liquid two‐phase jet in increasing coalbed permeability and promoting coalbed methane
Longyong Shu +4 more
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Dynamic Characteristics and Effect on Thrust of Jet Tail Vortex Ring for Pump Jet Propulsion
Frontiers in Energy Research, 2022 When a pump is propelled by a propeller, the nozzle flooding of the jet wake area will produce a turbulent quasi-sequence structure and have a certain impact on the outflow field structure and thrust characteristics of the water jet propulsion pump.
Wei Han +7 more
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Experimental study of controlling tip clearance flow in a pump-jet propulsor
Zhongguo Jianchuan Yanjiu, 2023 ObjectiveThis paper aims to suppress the adverse effects of tip clearance flow on the hydrodynamic performance and unsteady excitation force of a pump-jet propulsor. MethodAs for the pre-swirl stator pump-jet propulsor, an annular flexible seal structure
Ruilin HAN +5 more
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Research on Cavitation Wake Vortex Structures Near the Impeller Tip of a Water-Jet Pump
Energies, 2023 Cavitation can cause noise in the water-jet pump. If cavitation occurs in the water-jet pump, the hydraulic components in the pump are prone to erosion. The surface erosion reduces energy delivery efficiency and increases maintenance costs.
Yun Long +7 more
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New Design and Optimization of a Jet Pump to Boost Heavy Oil Production
Computation, 2022 In the Oil and Gas industry, installing pipe loops is a well-known hydraulic practice to increase oil pipeline capacities. Nevertheless, pipe loops could promote an unfavorable phenomenon known as fouling.
Jens Toteff +2 more
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Shock and Vibration, 2021 Water jet propulsion technology has broad application prospects in the field of ships, and water jet technology is a kind of high and new technology that is booming and has a wide range of applications.
Jinxin Wu, Li Cheng, Can Luo, Chuan Wang
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Meitan xuebao, 2023 There are some bottleneck problems in the pressure relief and antireflection technology of submerged water jet in a downward hole, such as weak impact force, low coal breaking efficiency, less coal cutting and poor adaptability.
Yanwei LIU +8 more
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