Coefficient de forme des barreaux pour les grilles inclinées:
Extrait de Lemkecher, F., Chatellier, L., Courret, D., David, L., 2020. Contribution of Different Elements of Inclined Trash Racks to Head Losses Modeling. Water 12, 966. https://doi.org/10.3390/w12040966
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Voici la fin du code source de la page fr/calculators/devalaison/grille.md:
#### grille inclinée| Forme des barreaux | Droplet | Plétina | Tadpole 8 | Tadpole 10 | Hydrodynamique | Rectangulaire || --- | --- | --- | --- | --- | --- | --- || Coefficient de forme $A_i$| 2.47 | 1.75 | 1.27 | 1.79 | 2.10 | 3.85 |Extrait de Lemkecher et al. (2020)[^4]### Coefficient de forme moyen des entretoises et éléments transversaux, pondérés selon leurs parts respectives#### grille inclinéeA déterminer à partir des plans de la grille.Vaut par exemple 1.79 pour les entretoises cylindriques, 2.42 pour les entretoises rectangulaires, et de l'ordre de 4 pour les poutres carrées et IPN.[^1]:Raynal, S., Courret, D., Chatellier, L., Larinier, M., David, L., 2012. Définition de prises d’eau ichtyocompatibles -Pertes de charge au passage des plans de grille inclinés ou orientés dans des configurations ichtyocompatibles et champs de vitesse à leur approche (POLE RA11.02). https://continuite-ecologique.fr/wp-content/uploads/2019/11/2012_014.pdf[^2]:Raynal, S., Chatellier, L., Courret, D., Larinier, M., David, L., 2013. An experimental study on fish-friendly trashracks–Part 2. Angled trashracks. Journal of Hydraulic Research 51, 67–75. https://doi.org/10.1080/00221686.2012.753646[^3]:Raynal, S., Courret, D., Chatellier, L., Larinier, M., David, L., 2013. An experimental study on fish-friendly trashracks–Part 1. Inclined trashracks. Journal of Hydraulic Research 51, 56–66. https://doi.org/10.1080/00221686.2012.753647[^4]:Lemkecher, F., Chatellier, L., Courret, D., David, L., 2020. Contribution of Different Elements of Inclined Trash Racks to Head Losses Modeling. Water 12, 966. https://doi.org/10.3390/w12040966
Et sa version anglaise:
#### inclined trashrack| Bar shape | Droplet | Plétina | Tadpole 8 | Tadpole 10 | Hydrodynamic | Rectangular || --- | --- | --- | --- | --- | --- | --- || Bar coefficient $A_i$| 2.47 | 1.75 | 1.27 | 1.79 | 2.10 | 3.85 |After Lemkecher et al. (2020)[^4]<divstyle="position: relative"><aid="coefficient-de-forme-moyen-des-entretoises-et-elements-transversaux-ponderes-selon-leurs-parts-respectives"style="position: absolute; top: -60px;"></a></div>### Average shape coefficient of spacers and transverse elements, weighted according to their respective shares#### inclined trashrackTo be determined from the trashrack plans.For example, 1.79 for cylindrical spacers, 2.42 for rectangular spacers, and around 4 for square beams and IPNs.[^1]:Raynal, S., Courret, D., Chatellier, L., Larinier, M., David, L., 2012. Définition de prises d’eau ichtyocompatibles -Pertes de charge au passage des plans de grille inclinés ou orientés dans des configurations ichtyocompatibles et champs de vitesse à leur approche (POLE RA11.02). https://continuite-ecologique.fr/wp-content/uploads/2019/11/2012_014.pdf[^2]:Raynal, S., Chatellier, L., Courret, D., Larinier, M., David, L., 2013. An experimental study on fish-friendly trashracks–Part 2. Angled trashracks. Journal of Hydraulic Research 51, 67–75. https://doi.org/10.1080/00221686.2012.753646[^3]:Raynal, S., Courret, D., Chatellier, L., Larinier, M., David, L., 2013. An experimental study on fish-friendly trashracks–Part 1. Inclined trashracks. Journal of Hydraulic Research 51, 56–66. https://doi.org/10.1080/00221686.2012.753647[^4]:Lemkecher, F., Chatellier, L., Courret, D., David, L., 2020. Contribution of Different Elements of Inclined Trash Racks to Head Losses Modeling. Water 12, 966. https://doi.org/10.3390/w12040966
By Dorchies David on 2022-10-03T10:29:44 (imported from GitLab)