Results 31 to 40 of about 5,533,129 (234)

Experimental and Numerical Investigation of Tip Leakage Vortex Cavitation in Water-jet Pump [PDF]

Journal of Applied Fluid Mechanics
During the operation of a water-jet pump, cavitation generates noise and vibration, causes surface erosion of the hydraulic components, and reduces the performance of the pump.
Y. Long, Z. Zhou, N. Li, M. Zhang, C. An, Y. Chen, R. Zhu   +6 more
doaj   +1 more source

PEMBANGUNAN POMPA PENDORONG AIR EMBUNG GRIGAK TENAGA SURYA UNTUK PENGAIRAN PERKEBUNAN ECO CAMP MANGUN KARSA

Abdimas Altruis, 2022
In the Mangun Karsa eco camp area, Gunungkidul, Yogyakarta, a reservoir has been built to be used to collect rainwater and named the Grigak Reservoir. The water from the reservoir will be used to irrigate plantation crops grown in the area.
Iswanjono Iswanjono, Tjendro Tjendro, Martanto Martanto, YB Lukiyanto, RB Dwiseno Wihadi, Sudi Mungkasi   +5 more
doaj   +1 more source

Experimental and Numerical Analysis of the Flow Inside a Configuration Including an Axial Pump and a Tubular Exchanger [PDF]

, 2010
In centrifugal and axial pumps, the flow is characterized by a turbulent and complex behavior and also by physical mechanisms such as cavitation and pressure fluctuations that are mainly due to the strong interactions between the fixed and mobile parts ...
Sofiane Khelladi, BAKIR, Farid, RAVELET, Florent, SOLIS, Moises, Moise´s Solis, KHELLADI, Sofiane, Farid Bakir, Florent Ravelet   +7 more
core   +1 more source

Molecular characterization of covRS mutations in M1UK Streptococcus pyogenes

FEBS Open Bio, EarlyView.
Group A Streptococcus (GAS) acquires covRS mutations driving a hypervirulent bacterial state, frequently associated with invasive disease‐like necrotizing fasciitis. We demonstrate that the newly emerged M1UK GAS lineage can also acquire these mutations.
Jarrad Pritchard, Emma‐Jayne Proctor, Jiawa Wang, Nikolas P. Johnston, Andrew Hayes, Georgia McCorkell, Haibo Yu, Jai Tree, Mark R. Davies, Mark J. Walker, Ronald Sluyter, Stephan Brouwer, Martina L. Sanderson‐Smith   +12 more
wiley   +1 more source

Exploring The Impact of Spiral Silencer Walls on The Performance of Liquid-Liquid Jet Pumps Using CFD Simulations [PDF]

The Egyptian International Journal of Engineering Sciences and Technology
This research investigates the impact of spiral silencer walls on the performance of liquid-liquid jet pumps using computational fluid dynamics (CFD) simulations.
Tarek Salah EL-Din, Mohamed Anter, Amgad Elansary   +2 more
doaj   +1 more source

Hydrodynamic and Flow Field Characteristics of Water Jet Propulsion under Mooring Conditions

Journal of Marine Science and Engineering, 2022
The acceleration characteristics of a water jet-propelled ship during startup are related to its performance under mooring conditions. Water jet propulsion cavitation during startup increases the vibration and noise of the whole ship.
Dagang Zhao, Yang Zhang, Qian He, Cong Sun, Mingqi Bi   +4 more
doaj   +1 more source

The importance of the knowledge of flow stream in water sump pump [PDF]

, 2013
Numerous different experimental and numerical methods have been developed and are already improved in order to get rather good flow descriptions inside pump components. These calculations are generally realized assuming uniform and steady flow conditions,
SIMONET, Sophie, BOIS, Gérard, BAYEUL-LAINÉ, Annie-Claude, ISSA, Abir   +3 more
core  

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

Advanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara, Vincent Rat, Quentin Dubreuil, Patrice Valorge, Simon Goutier, Alain Denoirjean, Olivier Messe, Céline Ruelle, Jean‐Philippe Poli   +8 more
wiley   +1 more source

Utilization of Open-Source OpenFOAM Code to Examine the Hydrodynamic Characteristics of a Linear Jet Propulsion System with or without Stator in Bollard Pull Condition

International Journal of Rotating Machinery, 2020
With the development of high-speed crafts, new propulsion systems are introduced into the marine industry. One of the new propulsion systems is linear jet which is similar to pump jet and has a rotor, a stator, and a duct.
Parviz Ghadimi, Negin Donyavizadeh, Pouria Taghikhani   +2 more
doaj   +1 more source

Computational and Experimental Study on the Water-Jet Pump Performance

Journal of Applied Fluid Mechanics, 2018
The effect of operational and geometrical parameters on the jet pump efficiency were determined experimentally and numerically. Numerical investigation was held firstly to determine the effect of diffuser angle, mixing chamber length, pump area ratio and driving nozzle position on the efficiency of jet pump. Commercial computational fluid dynamics (CFD)
A. A. A. Sheha, M. Nasr, M. A. Hosien, E. Wahba   +3 more
openaire   +2 more sources