Results 1 to 10 of about 108,324 (309)
Investigation on performance in water jet pump under turning conditions [PDF]
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
doaj +2 more sources
Performance of water-jet pump under acceleration
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
doaj +2 more sources
Evaluation of a Jet-Pump for the Improvement of Oil-Water Flow in Pipeline Loops Using CFD Tools [PDF]
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
doaj +1 more source
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
doaj +1 more source
Dynamic Characteristics and Effect on Thrust of Jet Tail Vortex Ring for Pump Jet Propulsion
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
doaj +1 more source
Experimental study of controlling tip clearance flow in a pump-jet propulsor
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
doaj +1 more source
Research on Cavitation Wake Vortex Structures Near the Impeller Tip of a Water-Jet Pump
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
doaj +1 more source
New Design and Optimization of a Jet Pump to Boost Heavy Oil Production
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
doaj +1 more source
An electron jet pump: The Venturi effect of a Fermi liquid [PDF]
A three-terminal device based on a two-dimensional electron system is investigated in the regime of non-equilibrium transport. Excited electrons scatter with the cold Fermi sea and transfer energy and momentum to other electrons.
Bunsen R. +8 more
core +3 more sources
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
doaj +1 more source

