• Aucun résultat trouvé

Theoretical Analysis of the Aerodynamics of Low-Speed Fans in Free and Load-Controlled Windmilling Operation

N/A
N/A
Protected

Academic year: 2021

Partager "Theoretical Analysis of the Aerodynamics of Low-Speed Fans in Free and Load-Controlled Windmilling Operation"

Copied!
13
0
0

Texte intégral

Loading

Figure

Fig. 2 Trajectories in the diagrams: (a) generic trends and (b) decomposition of the operating modes
Fig. 4 Illustration of the local operating mode along the blade span, for different values of the operating flow coefficient: (a) 0 < ^ / < r ð s =^r Þ/ p ðr s Þ, (b) rð s =^r Þ/ p ðr s Þ < ^ / < ^ / p , (c) ^ / 5 ^/ p , (d)
Fig. 5 Illustration of the experimental setup for the two fans: (a) fan 1 and (b) fan 2
Fig. 6 Experimental results for the two fans without preswirl, compared with the theoretical expectation: (a) fan 1 and (b) fan 2
+4

Références

Documents relatifs

L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des

where the subscripts s and G denote soft mode and Goldstone mode respectively f and he are the relaxation frequency and dielectnc strengths of the mode, K~ is the elastic constant,

Abstract - The main purpose of the present study is to develop a code based on surface singularity distribution concept called paneling method , in order to investigate and to

The paper deals with the problem of the enhancement of the operating speed of the algorithm of adaptive compression of binary bitmap images (BBI) on the basis

Now we are interested in a decision criterion that allows us to detect as soon as possible a degraded state in order to return appliances to perform maintenance action before

Les albums de fiction traitant d'art sont principalement publiés par trois maisons d'édition : L'École des loisirs à travers notamment sa collection Archimède, L'élan vert et

The heat budget terms displayed are the tendency of the mixed layer temperature (purple line), the air-sea fluxes (blue line) and oceanic horizontal (green line) and vertical

L’interaction entre EB1 et CLIP-170 (et Bim1p et Bik1p) est intéressante. Nos données nous font penser que cette interaction n’est pas importante aux bouts plus des microtubules.