Alla svenska städer
Billiga hotell | Flygbiljetter | Privat Kredit - Låna pengar | Tågbiljetter | Flyg och hotell
Investigation on the Impact of Air Admission in a Prototype Francis ...
...In order to evaluate whether or not such a turbine could fulfill the new requirements of the energy market, a study about the behavior of a prototype plant in low-load operation is presented....
https://www.researchgate.net/publication/334745133_Investigation_on_the_Impact_of_Air_Admission_in_a_Prototype_Francis_Turbine_at_Low-Load_Operation
Optimized air admission strategy for mitigating hydrodynamic ...
...This study investigated a large Francis turbine, employing a two-phase flow model to simulate the impact of various air admission strategies on turbine power oscillation....
https://pubs.aip.org/aip/adv/article/15/7/075236/3355616/Optimized-air-admission-strategy-for-mitigating
Air Admission Methods for Hydroturbines | PDF | Turbine - Scribd
...It evaluates the performance of different systems, including runner cones with baffles and steps, and peripheral aeration by the discharge ring, discussing their effects on turbine efficiency and air-water mixing quality....
https://www.scribd.com/document/850777516/METHODS-FOR-AIR-ADMISSION-IN-HYDROTURBINES
Investigation on the Impact of Air Admission in a Prototype Francis ...
...Due to significant changes in the energy system, hydraulic turbines are required to operate over a wide power range. In particular, older turbines which are not designed for these environments will suffer under off-design conditions....
https://www.mdpi.com/1996-1073/12/15/2893
Optimized air admission strategy for mitigating hydrodynamic ...
...Building upon these analyses, this study delineates conditions predisposing the turbine to power oscillations, elucidates the mechanism of these vortex-induced oscillations, and proposes an......
https://www.researchgate.net/publication/393959822_Optimized_air_admission_strategy_for_mitigating_hydrodynamic_instability_in_a_large_Francis_turbine
Air admission for francis turbine through suction
...This type of air admixing is not limited to Francis turbines, but is basically with Turbine wheels with cover plates and sealing areas possible. The invention is described below using......
https://patents.google.com/patent/EP0715076A1/en
Numerical Investigation of Pressure Fluctuation and Cavitation inside a ...
...Although air admission through the fin can suppress pressure fluctuation in the draft tube, it would also lead to turbine efficiency decrease. Therefore, the application of both fin and air admission should be carefully considered to achieve better performance for Francis turbines....
https://iopscience.iop.org/article/10.1088/1742-6596/1909/1/012017
EP0715076B1 - Air admission for francis turbine through suction ...
...F03B3/02 ? Machines or engines of reaction type; Parts or details peculiar thereto with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines...
https://patents.google.com/patent/EP0715076B1/en
Experimental investigation of an adjustable guide vane system in a ...
...The actual work aims at experimentally study the adjustable guide vane system developed numerically on a high Francis turbine model installed in a state-of-the-art turbine facility at the Waterpower laboratory, Norway....
https://www.diva-portal.org/smash/get/diva2:1756114/FULLTEXT01.pdf
Numerical investigation of air admission influence on the precessing ...
...This study offers some important insights into the influence and alleviation effect of air injection on the PVR and flow instability, which makes a major contribution to improving the operational stability at partial loads of hydraulic turbines....
https://www.tandfonline.com/doi/full/10.1080/19942060.2022.2164619
Abbekås Abborrberget Agunnaryd Alberga Alby Alfta Algutsrum Alingsås Allerum Almunge Almvik Alsike Alstad Alster Alsterbro Alstermo Alunda Alvesta Alvhem Alvik Ambjörby Ambjörnarp Ammenäs Andalen Anderslöv Anderstorp Aneby Angelstad Angered Ankarsrum Ankarsvik Anneberg Annelund Annelöv Antnäs Aplared Arboga Arbrå Ardala Arentorp Arild Arjeplog Arkelstorp Arnäsvall Arnö Arontorp Arvidsjaur Arvika Askeby Askersby Askersund Asmundtorp Asperö Aspås Avaskär Avesta Axvall