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TURBULENCE MILIEU [11 records]
Record 1 - internal organization data 2012-01-09
Record 1, English
Record 1, Subject field(s)
- Aerodynamics and Theory of Gases
- Wind Energy
Record 1, Main entry term, English
- rapid distortion theory
1, record 1, English, rapid%20distortion%20theory
correct
Record 1, Abbreviations, English
- RDT 2, record 1, English, RDT
correct
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A theory that assumes eddy vorticity is conserved in turbulent air undergoing rapid stretching, while shear production of turbulence remains zero or unchanged. 3, record 1, English, - rapid%20distortion%20theory
Record number: 1, Textual support number: 1 OBS
It is used to help predict the flow of turbulent air over hills and predicts that the vertical velocity variance should increase in the outer layer of accelerated winds flowing over a hill, while longitudinal velocity variance should decrease. 3, record 1, English, - rapid%20distortion%20theory
Record 1, French
Record 1, Domaine(s)
- Théorie des gaz et aérodynamique
- Énergie éolienne
Record 1, Main entry term, French
- théorie de la distorsion rapide
1, record 1, French, %20th%C3%A9orie%20de%20la%20distorsion%20rapide
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La théorie de la distorsion rapide […] est un vieux concept souvent considéré comme complémentaire des approches par viscosité turbulente. L'idée de base de la distorsion rapide est de dire que dans un cisaillement les structures turbulentes interagissent moins entre elles qu'avec le cisaillement lui même. Le nom de la méthode en découle : les structures turbulentes sont déformées et dissipées(ou incorporées au cisaillement moyen) rapidement, avant de pouvoir interagir entre elles. À l'origine [cette théorie] a été introduite pour calculer l'évolution de structures turbulentes tourbillonaires dans un milieu homogène présentant en particulier un cisaillement constant. Hunt(1973) la généralisa au cas des cisaillements inhomogènes. La [théorie de la distorsion rapide] s’apparentait alors à l'équation linéarisée d’évolution d’une turbulence fluctuante(traitée comme une perturbation d’un écoulement moyen) créant par rétroaction des tensions de Reynolds modifiant l'écoulement moyen. 1, record 1, French, - %20th%C3%A9orie%20de%20la%20distorsion%20rapide
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2006-08-18
Record 2, English
Record 2, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
Record 2, Main entry term, English
- hydraulic sorting
1, record 2, English, hydraulic%20sorting
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- flow separation 1, record 2, English, flow%20separation
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Hydraulic sorting of detrital grains. 1, record 2, English, - hydraulic%20sorting
Record number: 2, Textual support number: 2 CONT
Extremely fine gold particles are more readily transported, and their concentration (or dissemination) in the fluvial or littoral environment is determined by hydraulic sorting (flow separation), which is dependent on such factors as the size, shape, and specific gravity of individual grains in the sediment load, the velocity and degree of turbulence of water flow, and the nature of the stream bed ... 1, record 2, English, - hydraulic%20sorting
Record 2, French
Record 2, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
Record 2, Main entry term, French
- tri hydraulique
1, record 2, French, tri%20hydraulique
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- séparation par l'écoulement 1, record 2, French, s%C3%A9paration%20par%20l%27%C3%A9coulement
correct, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Tri hydraulique des grains détritiques. 1, record 2, French, - tri%20hydraulique
Record number: 2, Textual support number: 2 CONT
Les particules d’or extrêmement fines sont plus facilement transportées et leur concentration(ou dissémination) dans le milieu fluvial ou littoral est attribuable au tri hydraulique(séparation par l'écoulement) qui dépend de certains facteurs comme la taille, la forme et la densité des grains individuels dans la charge sédimentaire, la vitesse et le degré de turbulence de l'eau et la nature du lit du cours d’eau [...] 1, record 2, French, - tri%20hydraulique
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2001-08-29
Record 3, English
Record 3, Subject field(s)
- Modelling (Mathematics)
- Environmental Studies and Analyses
- Hydrology and Hydrography
Record 3, Main entry term, English
- ambient turbulence
1, record 3, English, ambient%20turbulence
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Ambient turbulence also affects horizontal spreading. 1, record 3, English, - ambient%20turbulence
Record 3, French
Record 3, Domaine(s)
- Modélisation (Mathématique)
- Études et analyses environnementales
- Hydrologie et hydrographie
Record 3, Main entry term, French
- turbulence du milieu
1, record 3, French, turbulence%20du%20milieu
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
La turbulence du milieu affecte également l'étalement horizontal. 1, record 3, French, - turbulence%20du%20milieu
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2000-12-18
Record 4, English
Record 4, Subject field(s)
- Dredging
- Waste Management
Record 4, Main entry term, English
- hopper dredge overflow 1, record 4, English, hopper%20dredge%20overflow
Record 4, Abbreviations, English
Record 4, Synonyms, English
- hopper overflow discharge 2, record 4, English, hopper%20overflow%20discharge
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Antiturbidity Overflow System. Quantity of suspended solids spilled into the environment by hopper dredge overflows can be significantly reduced by modifying overflow systems to ensure maximum settling time and minimum turbulence in the hoppers. 1, record 4, English, - hopper%20dredge%20overflow
Record 4, French
Record 4, Domaine(s)
- Dragage
- Gestion des déchets
Record 4, Main entry term, French
- surverse de drague suceuse porteuse
1, record 4, French, surverse%20de%20drague%20suceuse%20porteuse
feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- surverse de drague suceuse-porteuse 2, record 4, French, surverse%20de%20drague%20suceuse%2Dporteuse
feminine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Système de surverse anti-turbidité. Les quantités de solides en suspension rejetées dans le milieu par la surverse des dragues suceuses porteuses peuvent être réduites de façon significative en modifiant les systèmes de déversoir de façon à assurer un temps de décantation maximum et une turbulence minimum dans les puits à déblais. 1, record 4, French, - surverse%20de%20drague%20suceuse%20porteuse
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2000-01-25
Record 5, English
Record 5, Subject field(s)
- Dredging
- Environment
Record 5, Main entry term, English
- antiturbidity overflow system
1, record 5, English, antiturbidity%20overflow%20system
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- anti-turbidity overflow system 1, record 5, English, anti%2Dturbidity%20overflow%20system
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
Antiturbidity overflow system. Quantity of suspended solids spilled into the environment by hopper dredge overflows can be significantly reduced by modifying overflow systems to ensure maximum settling time and minimum turbulence in the hoppers. 1, record 5, English, - antiturbidity%20overflow%20system
Record 5, French
Record 5, Domaine(s)
- Dragage
- Environnement
Record 5, Main entry term, French
- système de surverse anti-turbidité
1, record 5, French, syst%C3%A8me%20de%20surverse%20anti%2Dturbidit%C3%A9
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Système de surverse anti-turbidité. Les quantités de solides en suspension rejetées dans le milieu par la surverse des dragues suceuses porteuses peuvent être réduites de façon significative en modifiant les systèmes de déversoir de façon à assurer un temps de décantation maximum et une turbulence minimum dans les puits à déblais. 1, record 5, French, - syst%C3%A8me%20de%20surverse%20anti%2Dturbidit%C3%A9
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2000-01-25
Record 6, English
Record 6, Subject field(s)
- Dredging
Record 6, Main entry term, English
- overflow system 1, record 6, English, overflow%20system
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 CONT
Antiturbidity Overflow System. Quantity of suspended solids spilled into the environment by hopper dredge overflows can be significantly reduced by modifying overflow systems to ensure maximum settling time and minimum turbulence in the hoppers. 1, record 6, English, - overflow%20system
Record 6, French
Record 6, Domaine(s)
- Dragage
Record 6, Main entry term, French
- système de déversoir
1, record 6, French, syst%C3%A8me%20de%20d%C3%A9versoir
masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
Système de surverse anti-turbidité. Les quantités de solides en suspension rejetées dans le milieu par la surverse des dragues suceuses porteuses peuvent être réduites de façon significative en modifiant les systèmes de déversoir de façon à assurer un temps de décantation maximum et une turbulence minimum dans les puits à déblais. 1, record 6, French, - syst%C3%A8me%20de%20d%C3%A9versoir
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1993-01-11
Record 7, English
Record 7, Subject field(s)
- Biomass Energy
Record 7, Main entry term, English
- thermovortactor
1, record 7, English, thermovortactor
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
- Thermovortactor 2, record 7, English, Thermovortactor
correct
Record 7, Textual support, English
Record number: 7, Textual support number: 1 CONT
... the Ultrapyrolysis process ... employs particulate solids to carry heat to and from the reactants and products respectively. Rapid mixing and heat transfer are carried out in two vortical contactors. The first has been termed a "Thermovortactor" and allows heat to be transferred from hot solids to the biomass. 1, record 7, English, - thermovortactor
Record number: 7, Textual support number: 1 OBS
... Ultrapyrolysis, has been developed ... in order to exploit the high heating rates, short residence times, high temperatures and rapid quenching, which are required to produce valuable non-equilibrium chemical intermediates from biomass. 3, record 7, English, - thermovortactor
Record 7, French
Record 7, Domaine(s)
- Énergie de la biomasse
Record 7, Main entry term, French
- Thermovortactor
1, record 7, French, Thermovortactor
masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 CONT
Un procédé de pyrolyse rapide, appelé ULTRAPYROLYSE, a été mis au point [...] afin de tirer profit des taux élevés de chauffage, des faibles temps de séjour, des températures élevées et du refroidissement rapide lors de la préparation d’importants intermédiaires chimiques à partir de la biomasse. [...] Des caloporteurs chauds(THERMOFOR) sont utilisés pour transférer la chaleur aux particules de biomasse dans un contacteur vortex très turbulent(THERMOVORTACTOR). La turbulence produit un milieu où le brassage est rapide et complet et où le transfert de chaleur est extrêmement rapide. On utilise ensuite des caloporteurs froids(CRYOFOR) pour refroidir rapidement les produits. 1, record 7, French, - Thermovortactor
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1992-12-31
Record 8, English
Record 8, Subject field(s)
- Modelling (Mathematics)
- Meteorological Forecasting, Data Measurement and Analysis
- Air Pollution
Record 8, Main entry term, English
- roughness length
1, record 8, English, roughness%20length
correct
Record 8, Abbreviations, English
Record 8, Synonyms, English
- roughness parameter 2, record 8, English, roughness%20parameter
correct
- roughness coefficient 3, record 8, English, roughness%20coefficient
correct
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
Characteristic length parameter for the effect of surface roughness in fully turbulent flow. 4, record 8, English, - roughness%20length
Record number: 8, Textual support number: 1 CONT
Roughness length z0 is a measure of the roughness of the surface. It is not normally measured directly, but is defined as the height at which the wind speed becomes zero. It is generally not the same as surface height. For example z0 for a forest is always greater than z0 for short grass. ... From the point of view of surface layer ground based measurements, z0 is useful in estimating the effect of the ground on the flow. Especially, large values of z0 give larger mean eddy sizes ... 5, record 8, English, - roughness%20length
Record number: 8, Textual support number: 2 CONT
The scaling length is z0, the roughness length, which is the height above the ground where the wind is assumed to vanish in order to take into account the rough elements of the surface. 6, record 8, English, - roughness%20length
Record number: 8, Textual support number: 1 OBS
The roughness length is a variable which depends on the character of the surface. 7, record 8, English, - roughness%20length
Record 8, French
Record 8, Domaine(s)
- Modélisation (Mathématique)
- Prévisions météorologiques et mesure et analyse des données
- Pollution de l'air
Record 8, Main entry term, French
- longueur de rugosité
1, record 8, French, longueur%20de%20rugosit%C3%A9
correct, feminine noun
Record 8, Abbreviations, French
Record 8, Synonyms, French
- coefficient de rugosité 2, record 8, French, coefficient%20de%20rugosit%C3%A9
correct, feminine noun
- paramètre de rugosité 3, record 8, French, param%C3%A8tre%20de%20rugosit%C3%A9
correct, masculine noun
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
Paramètre de longueur caractéristique relié à l’effet de la rugosité de surface dans un flux complètement turbulent. 2, record 8, French, - longueur%20de%20rugosit%C3%A9
Record number: 8, Textual support number: 1 CONT
La hauteur de mélange correspond à l'épaisseur de la couche atmosphérique près du sol dans laquelle les polluants peuvent se disperser en quelques heures. Deux principaux mécanismes permettent aux polluants de se disperser rapidement dans la verticale : la turbulence thermique et la turbulence mécanique. La turbulence thermique se produit lorsque l'air est moins dense près du sol, par exemple lors d’une journée ensoleillée et chaude. La turbulence mécanique est due à la variation verticale du vent et elle augmente lorsque les vents sont forts et que la surface du sol est rugueuse. Le programme d’Environnement Canada qui estime la hauteur de mélange, [...] comporte maintenant certains paramètres d’ajustement, dont le principal est celui de la longueur de rugosité. La valeur de ce paramètre dépend de l'environnement dans un rayon de 5 km du site modélisé. Par exemple, la longueur de rugosité en milieu fortement urbanisé est d’environ 1 m, tandis qu'elle est de quelques centimètres au-dessus de surfaces gazonnées. Il est important de noter que les vitesses de vent aux stations météorologiques synoptiques(situées dans les aéroports) sont généralement mesurées au-dessus de surfaces dont la longueur de rugosité est petite(quelques cm). Si les vents étaient mesurés au-dessus de surfaces très rugueuses, leurs valeurs seraient beaucoup plus faibles. 4, record 8, French, - longueur%20de%20rugosit%C3%A9
Record number: 8, Textual support number: 2 CONT
Longueur de rugosité (Z0, en mètre) du modèle numérique de prévision du temps. 4, record 8, French, - longueur%20de%20rugosit%C3%A9
Record number: 8, Textual support number: 1 OBS
Paramètre employé dans les théories de la variation vertical du vent près de la surface [...] 5, record 8, French, - longueur%20de%20rugosit%C3%A9
Record 8, Spanish
Record 8, Campo(s) temático(s)
- Modelización (Matemáticas)
- Previsiones meteorológicas, medición y análisis de datos
- Contaminación del aire
Record 8, Main entry term, Spanish
- longitud de rugosidad
1, record 8, Spanish, longitud%20de%20rugosidad
feminine noun
Record 8, Abbreviations, Spanish
Record 8, Synonyms, Spanish
- coeficiente de rugosidad 1, record 8, Spanish, coeficiente%20de%20rugosidad
masculine noun
- parámetro de rugosidad 1, record 8, Spanish, par%C3%A1metro%20de%20rugosidad
masculine noun
Record 8, Textual support, Spanish
Record number: 8, Textual support number: 1 DEF
Parámetro de longitud que caracteriza el efecto de la rugosidad de la superficie en un flujo totalmente turbulento. 1, record 8, Spanish, - longitud%20de%20rugosidad
Record 9 - internal organization data 1986-09-02
Record 9, English
Record 9, Subject field(s)
- Restaurant Equipment
Record 9, Main entry term, English
- cooking compartment
1, record 9, English, cooking%20compartment
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 CONT
Air in a steam environment has proved to be a major barrier to efficient heat transfer. So the Cleveland Convection Steamer is designed to purge the air from the cooking compartment. 1, record 9, English, - cooking%20compartment
Record 9, French
Record 9, Domaine(s)
- Équipement (Restaurants)
Record 9, Main entry term, French
- chambre de cuisson
1, record 9, French, chambre%20de%20cuisson
correct, feminine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 CONT
Dans un milieu de vapeur, l'air se révélait un obstacle important au transfert efficace de l'énergie. Le Convection Steamer [marque déposée] Cleveland, par sa conception, laisse échapper l'air de la chambre de cuisson par le truchement d’un courant continu de vapeur pure en turbulence. 1, record 9, French, - chambre%20de%20cuisson
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1978-08-08
Record 10, English
Record 10, Subject field(s)
- Hydrology and Hydrography
Record 10, Main entry term, English
- orthograde
1, record 10, English, orthograde
correct
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 DEF
Pertaining to the uniform distribution of dissolved oxygen in the hypolimnion of a lake, dependent only "on conditions at circulation and on subsequent physical events". 1, record 10, English, - orthograde
Record 10, French
Record 10, Domaine(s)
- Hydrologie et hydrographie
Record 10, Main entry term, French
- orthograde
1, record 10, French, orthograde
correct
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 DEF
Se dit d’une distribution homogène de l’oxygène dans une masse d’eau. 2, record 10, French, - orthograde
Record number: 10, Textual support number: 1 CONT
En profondeur seuls les phénomènes de respiration et de décomposition bactérienne agiront dans la nuit relative ou permanente et il y aura toujours absorption. Le phénomène physique de circulation lié à une turbulence généralisée du milieu tendra à homogénéiser la distribution de l'oxygène qui sera dite orthograde. 3, record 10, French, - orthograde
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 1975-03-11
Record 11, English
Record 11, Subject field(s)
- Food Industries
Record 11, Main entry term, English
- turbulence 1, record 11, English, turbulence
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 DEF
Departure in a fluid from a smooth or streamline flow with accompanying sinuosity and eddies due to an obstruction or to exceeding a critical speed. 1, record 11, English, - turbulence
Record 11, French
Record 11, Domaine(s)
- Industrie de l'alimentation
Record 11, Main entry term, French
- turbulence
1, record 11, French, turbulence
feminine noun
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 CONT
De quoi dépendent ces transferts? Ils dépendent beaucoup de la turbulence du milieu à chauffer ou à refroidir. Or la turbulence pour nous est un transfert de quantité de mouvement. 1, record 11, French, - turbulence
Record 11, Spanish
Record 11, Textual support, Spanish
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