Results 141 to 150 of about 418 (177)

CoFish: co-designing citizen science between fishers and scientists to monitor the phosphorus distribution across two lake Geneva basins. [PDF]

BMC Ecol Evol
Jenkins T, Fayet L, Fayet A, Chollet D, Depraz Y, Dumaz M, Ricci N, Lucchetta L, Anneville O, Arpagaus P, Almada ML, Fillion R, Gios M, Moftizadeh Y, Thomas MK, Strasser BJ, Radosta E, Ibelings BW.   +17 more
europepmc   +1 more source

Silt erosion and cavitation impact on hydraulic turbines performance: An in-depth analysis and preventative strategies. [PDF]

Heliyon
Kashyap T, Thakur R, Ngo GH, Lee D, Fekete G, Kumar R, Singh T.   +6 more
europepmc   +1 more source

Effect of organic solvents on earwax cortisol extraction in Hanwoo cattle. [PDF]

J Anim Sci Technol
Ataallahi M, Park GW, Park KH.
europepmc   +1 more source

Microbial communities associated with plastic fishing nets: diversity, potentially pathogenic and hydrocarbon degrading bacteria. [PDF]

Sci Rep
Perdigão R, Tavares AS, Carvalho MF, Magalhães C, Ramos S, Almeida CMR, Mucha AP.   +6 more
europepmc   +1 more source

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A method of evaluating the vortex rope strength in draft tube of Francis turbine

Renewable Energy, 2020
Abstract A precessing vortex core in the draft tube of Francis turbine is considered as unstable flow conditions and the cause of many undesirable system instabilities for hydraulic power stations. The feature of vortex rope, pressure fluctuations and runner outlet velocity at part-load conditions are investigated experimentally and numerically in ...
Lingjiu Zhou, Wenzhe Kang, Zhaoning Wang   +2 more
exaly   +2 more sources

Study of vortex rope based on flow energy dissipation and vortex identification

Renewable Energy, 2022
Ruofu Xiao, Puxi Li
exaly   +2 more sources

Study of vortex rope for the flow field pulsation law

Ocean Engineering, 2023
Faye Jin, , Puxi Li
exaly   +2 more sources

Computational analysis of vortex rope in a hydroturbine of Tucuruí dam

Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2020
There is a relevant hydraulic potential in Amazon rivers, from which it is generated most of the energy available for the largest part of Brazil. One of the most important hydropower plants in the Amazon is Tucurui dam, which can produce 8370 MW through Francis turbines.
Giordane J. Antunes Junior, Adry K. F. Lima, Jerson R. P. Vaz, Erb F. Lins   +3 more
openaire   +1 more source

Experimental Investigation Of Couple Precessing Vortex Ropes In A Hydraulic Vortex

Siberian Journal of Physics, 2016
The work is devoted to the experimental study of the interaction of the precessing vortex pair in the hydrodynamic vortex chamber. Swirling flow was created by a 12 tangentially directed rectangular nozzles. Design swirl number was varied in the range 0÷6.6 based on the geometry of the swirl device.
Sergey Skripkin, Sergey Dremov, Sergey Shtork, Ivan Kabardin   +3 more
openaire   +1 more source

Numerical Simulation of the Rotating Vortex Rope with Code_Saturne

2019 International Conference on ENERGY and ENVIRONMENT (CIEM), 2019
The paper presents numerical simulations of the rotating vortex rope (RVR) inside a Francis turbine draft tube. The computational fluid dynamics (CFD) calculations were carried out using the Code_Saturne software. The geometry of the turbine was obtained from the Francis-99 workshops. The mesh files provided for the Francis-99 workshop II were modified
Robert Mitrut, Diana Maria Bucur, Georgiana Dunca, Michel J. Cervantes   +3 more
openaire   +1 more source