TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
PERTE CHARGE FILTRE [15 records]
Record 1 - internal organization data 2010-05-12
Record 1, English
Record 1, Subject field(s)
- Equipment and Tools (Water Supply)
- Water Treatment (Water Supply)
Record 1, Main entry term, English
- clogged filter 1, record 1, English, clogged%20filter
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Filtration of clarified water at a limited rate (7 m/h) ... in open filters and at higher rates in closed filters where the head-loss can be higher; it is not generally possible to exceed 0.6 bar with a clogged filter without spoiling the quality of the filtered water. 1, record 1, English, - clogged%20filter
Record 1, French
Record 1, Domaine(s)
- Équipement et outillage (Alimentation en eau)
- Traitement des eaux
Record 1, Main entry term, French
- filtre colmaté
1, record 1, French, filtre%20colmat%C3%A9
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- filtre encrassé 1, record 1, French, filtre%20encrass%C3%A9
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Filtration d’eau décantée à vitesse limitée(7 m/h) en filtres ouverts, et à vitesse plus élevée en filtres fermés où l'on peut disposer d’une perte de charge plus importante; on ne peut, en général, excéder la valeur de 0. 6 bar, filtre colmaté, sous peine de nuire à la qualité de l'eau filtrée. 1, record 1, French, - filtre%20colmat%C3%A9
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1998-09-16
Record 2, English
Record 2, Subject field(s)
- Mechanical Transmission Systems
Record 2, Main entry term, English
- filter maximum permitted pressure drop
1, record 2, English, filter%20maximum%20permitted%20pressure%20drop
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Maximum acceptable pressure drop across the filter arising from the normal direction of flow which can be applied without structural or medium failure of the filter element or significant contaminant migration. 1, record 2, English, - filter%20maximum%20permitted%20pressure%20drop
Record 2, French
Record 2, Domaine(s)
- Transmissions mécaniques
Record 2, Main entry term, French
- perte de charge admissible d’un filtre
1, record 2, French, perte%20de%20charge%20admissible%20d%26rsquo%3Bun%20filtre
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Perte de charge maximale que peut supporter un filtre pour le sens normal d’écoulement sans défaillance de la structure ou du médium de l'élément filtrant et sans passage notable du polluant. 1, record 2, French, - perte%20de%20charge%20admissible%20d%26rsquo%3Bun%20filtre
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1998-09-16
Record 3, English
Record 3, Subject field(s)
- Mechanical Transmission Systems
Record 3, Main entry term, English
- filter pressure drop
1, record 3, English, filter%20pressure%20drop
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
Difference in pressure across the filter at any given time. 1, record 3, English, - filter%20pressure%20drop
Record 3, French
Record 3, Domaine(s)
- Transmissions mécaniques
Record 3, Main entry term, French
- perte de charge d’un filtre
1, record 3, French, perte%20de%20charge%20d%26rsquo%3Bun%20filtre
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Différence de pression à travers un filtre à un instant donné. 1, record 3, French, - perte%20de%20charge%20d%26rsquo%3Bun%20filtre
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1994-05-11
Record 4, English
Record 4, Subject field(s)
- Water Heaters and Softeners (Household)
Record 4, Main entry term, English
- tankless hot water heating coil 1, record 4, English, tankless%20hot%20water%20heating%20coil
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Where a water meter, water filter, water softener or instantaneous or tankless hot water heating coil is provided in the basic design circuit, the friction loss corresponding to the peak demand rate through such equipment must be determined and included in pressure loss calculations. 1, record 4, English, - tankless%20hot%20water%20heating%20coil
Record 4, French
Record 4, Domaine(s)
- Chauffe-eau et adoucisseurs d'eau
Record 4, Main entry term, French
- chauffe-eau sans réservoir
1, record 4, French, chauffe%2Deau%20sans%20r%C3%A9servoir
masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
Lorsque la canalisation-guide traverse un compteur, un filtre, un adoucisseur, un chauffe-eau instantané ou sans réservoir, la perte de charge due au frottement lors du passage de l'eau dans ces appareils en périodes de pointe doit être déterminée et incorporée aux calculs des pertes de charge dans le réseau. 1, record 4, French, - chauffe%2Deau%20sans%20r%C3%A9servoir
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1986-06-04
Record 5, English
Record 5, Subject field(s)
- Scientific Instruments
- Water Treatment (Water Supply)
Record 5, Main entry term, English
- loss-of-head gauge
1, record 5, English, loss%2Dof%2Dhead%20gauge
correct, Great Britain
Record 5, Abbreviations, English
Record 5, Synonyms, English
- loss-of-head gage 2, record 5, English, loss%2Dof%2Dhead%20gage
correct, United States
Record 5, Textual support, English
Record number: 5, Textual support number: 1 DEF
A gage on a rapid sand filter, which indicates the loss of head involved in the filtering operation, and enables the operator to ascertain the need for filter washing. Some gages are of the indicating-recording type. 3, record 5, English, - loss%2Dof%2Dhead%20gauge
Record 5, French
Record 5, Domaine(s)
- Instruments scientifiques
- Traitement des eaux
Record 5, Main entry term, French
- manomètre de perte de charge
1, record 5, French, manom%C3%A8tre%20de%20perte%20de%20charge
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- indicateur de perte de charge 1, record 5, French, indicateur%20de%20perte%20de%20charge
correct, masculine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 DEF
Manomètre installé sur un filtre rapide à sable, indiquant la perte de charge durant la filtration. Il signale ainsi à l'opérateur le moment où il doit laver le filtre. 1, record 5, French, - manom%C3%A8tre%20de%20perte%20de%20charge
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1986-05-28
Record 6, English
Record 6, Subject field(s)
- Scientific Measurements and Analyses
- Water Treatment (Water Supply)
Record 6, Main entry term, English
- floc-strength index
1, record 6, English, floc%2Dstrength%20index
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record 6, French
Record 6, Domaine(s)
- Mesures et analyse (Sciences)
- Traitement des eaux
Record 6, Main entry term, French
- indice de cohésion du floc
1, record 6, French, indice%20de%20coh%C3%A9sion%20du%20floc
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 DEF
Mesure de la résistance d’un floc à la filtration, par la perte de charge en fonction de la profondeur du filtre et de la taille effective du matériau filtrant. 1, record 6, French, - indice%20de%20coh%C3%A9sion%20du%20floc
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1982-03-30
Record 7, English
Record 7, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
Record 7, Main entry term, English
- downstream branch
1, record 7, English, downstream%20branch
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 CONT
The siphon. ... Without partialization air, the vacuum at the neck is equal, ignoring the head loss in the downstream branch, to the height ... of fall between the water level on the filter and the water level in the downstream chamber. 1, record 7, English, - downstream%20branch
Record 7, French
Record 7, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
Record 7, Main entry term, French
- branche aval
1, record 7, French, branche%20aval
correct, feminine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
Record 7, Textual support, French
Record number: 7, Textual support number: 1 CONT
Le siphon. [...] Si l'on introduit de l'air à sa partie supérieure, cet air est entraîné par l'eau dans la branche aval où la densité du mélange eau-air s’abaisse, diminuant ainsi le vide au col. Sans air de partialisation le vide au col est égal, à la perte de charge près dans la branche aval, à la hauteur [...] de chute entre le plan d’eau sur le filtre et le plan d’eau dans la vasque aval de restitution. 1, record 7, French, - branche%20aval
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1982-03-11
Record 8, English
Record 8, Subject field(s)
- General Mechanics (Physics)
Record 8, Main entry term, English
- partialization air 1, record 8, English, partialization%20air
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 OBS
The siphon. ... Without partialization air, the vacuum at the neck is equal, ignoring the head loss in the downstream branch, to the height ... of fall between the water level on the filter and the water level in the downstream chamber. 1, record 8, English, - partialization%20air
Record 8, French
Record 8, Domaine(s)
- Mécanique générale (Physique)
Record 8, Main entry term, French
- air de partialisation
1, record 8, French, air%20de%20partialisation
correct
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 OBS
Le siphon. [...] Si l'on introduit de l'air à sa partie supérieure, cet air est entraîné par l'eau dans la branche aval où la densité du mélange eau-air s’abaisse, diminuant ainsi le vide au col. Sans air de partialisation le vide au col est égal, à la perte de charge près dans la branche aval, à la hauteur [...] de chute entre le plan d’eau sur le filtre et le plan d’eau dans la vasque aval de restitution. 1, record 8, French, - air%20de%20partialisation
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1982-03-11
Record 9, English
Record 9, Subject field(s)
- Water Treatment (Water Supply)
Record 9, Main entry term, English
- filtration front 1, record 9, English, filtration%20front
Record 9, Abbreviations, English
Record 9, Synonyms, English
Record 9, Textual support, English
Record number: 9, Textual support number: 1 OBS
... where the filter no longer gives clear water once the maximum head-loss ... is reached, the curve representing the pressures at different points in the filter ... reaches the floor without having a straight section, which means that the filtration front has passed the floor and the filter is already pierced. 1, record 9, English, - filtration%20front
Record 9, French
Record 9, Domaine(s)
- Traitement des eaux
Record 9, Main entry term, French
- front de filtration
1, record 9, French, front%20de%20filtration
correct
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 OBS
Dans le cas [...] où le filtre ne donne plus d’eau claire quand est atteinte la perte de charge maximale [...] la courbe représentative des pressions aux différents points du filtre [...] atteint le plancher sans avoir de partie linéaire, c'est-à-dire que le front de filtration a dépassé le plancher et que le filtre s’est déjà crevé. 1, record 9, French, - front%20de%20filtration
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1982-03-11
Record 10, English
Record 10, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
Record 10, Main entry term, English
- equal distribution 1, record 10, English, equal%20distribution
Record 10, Abbreviations, English
Record 10, Synonyms, English
- uniform distribution 2, record 10, English, uniform%20distribution
Record 10, Textual support, English
Record number: 10, Textual support number: 1 OBS
Equal distribution of the flow. In figure 146 the partialization box ... fitted to each filter maintains a constant level identical for all of them. ... The loss of head created by the calibrated orifices ... is therefore the same for all filters, each of which receives the same flow for filtration. 1, record 10, English, - equal%20distribution
Record 10, French
Record 10, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
Record 10, Main entry term, French
- équirépartition
1, record 10, French, %C3%A9quir%C3%A9partition
correct
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 OBS
Équirépartition du débit. Dans le schéma de la figure 146, la boîte de partialisation [...] équipant chaque filtre, maintient un niveau constant et identique pour tous. [...] La perte de charge créée par les orifices calibrés [...] est donc la même pour tous les filtres qui reçoivent ainsi un même débit à filtrer. 1, record 10, French, - %C3%A9quir%C3%A9partition
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 1982-03-11
Record 11, English
Record 11, Subject field(s)
- Inventory and Material Management
- Water Treatment (Water Supply)
Record 11, Main entry term, English
- maximum clogging 1, record 11, English, maximum%20clogging
Record 11, Abbreviations, English
Record 11, Synonyms, English
Record 11, Textual support, English
Record number: 11, Textual support number: 1 OBS
... the loss of head is taken as a criterion, and washing is carried out as soon as it reaches a certain limit, incorrectly called maximum clogging. In fact, this loss of head depends on both clogging and flow. This method permits a check to be kept upon the clogging of the filter only if the flow is constant. 1, record 11, English, - maximum%20clogging
Record 11, French
Record 11, Domaine(s)
- Gestion des stocks et du matériel
- Traitement des eaux
Record 11, Main entry term, French
- encrassement maximal
1, record 11, French, encrassement%20maximal
correct
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 OBS
[...] on se base sur la perte de charge et on procède au lavage dès qu'elle atteint une certaine limite, improprement appelée encrassement maximal. En réalité, cette perte de charge dépend à la fois de l'encrassement et du débit. Ce moyen ne permet d’apprécier l'encrassement du filtre que si l'on travaille à débit constant. 1, record 11, French, - encrassement%20maximal
Record 11, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 1981-01-26
Record 12, English
Record 12, Subject field(s)
- Equipment and Tools (Water Supply)
- Water Treatment (Water Supply)
- Wastewater Treatment
Record 12, Main entry term, English
- declining-rate filter 1, record 12, English, declining%2Drate%20filter
Record 12, Abbreviations, English
Record 12, Synonyms, English
Record 12, Textual support, English
Record number: 12, Textual support number: 1 CONT
In the case of declining-rate filters ... which are not individually controlled, the common channel is connected to the filter by means of a large-section valve which limits head loss during feed to a negligible value, and of smaller valves also used for surface sweeping and for starting the declining-rate filter. 1, record 12, English, - declining%2Drate%20filter
Record 12, French
Record 12, Domaine(s)
- Équipement et outillage (Alimentation en eau)
- Traitement des eaux
- Traitement des eaux usées
Record 12, Main entry term, French
- filtre à débit décroissant
1, record 12, French, filtre%20%C3%A0%20d%C3%A9bit%20d%C3%A9croissant
correct, masculine noun
Record 12, Abbreviations, French
Record 12, Synonyms, French
- filtre à débit limité 1, record 12, French, filtre%20%C3%A0%20d%C3%A9bit%20limit%C3%A9
correct, masculine noun
Record 12, Textual support, French
Record number: 12, Textual support number: 1 CONT
Sans régulateur individuel de filtre dans le cas de filtres à débit décroissant [...] la liaison entre la goulotte générale et le filtre est assurée par une vanne de grande section limitant à une valeur négligeable la perte de charge d’alimentation, ainsi que par des vannes de plus petite dimension, servant également au balayage de surface et au démarrage du filtre à débit limité. 1, record 12, French, - filtre%20%C3%A0%20d%C3%A9bit%20d%C3%A9croissant
Record 12, Spanish
Record 12, Textual support, Spanish
Record 13 - internal organization data 1981-01-26
Record 13, English
Record 13, Subject field(s)
- Sewers and Drainage
- Water Treatment (Water Supply)
- Wastewater Treatment
Record 13, Main entry term, English
- siphon neck
1, record 13, English, siphon%20neck
correct
Record 13, Abbreviations, English
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 CONT
A vacuum gauge in the siphon neck indicates the head loss across the filter. 1, record 13, English, - siphon%20neck
Record 13, French
Record 13, Domaine(s)
- Égouts et drainage
- Traitement des eaux
- Traitement des eaux usées
Record 13, Main entry term, French
- col du siphon
1, record 13, French, col%20du%20siphon
correct, masculine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
Record 13, Textual support, French
Record number: 13, Textual support number: 1 CONT
Un vacuomètre placé au col du siphon indique la perte de charge du filtre. 1, record 13, French, - col%20du%20siphon
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 1981-01-26
Record 14, English
Record 14, Subject field(s)
- Scientific Measurements and Analyses
- Water Treatment (Water Supply)
Record 14, Main entry term, English
- true filtration speed 1, record 14, English, true%20filtration%20speed
Record 14, Abbreviations, English
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 OBS
In actual fact, the true filtration speed in the cleanest filter depends on the maximum head-loss that can be tolerated for the whole of the battery; ... 1, record 14, English, - true%20filtration%20speed
Record 14, French
Record 14, Domaine(s)
- Mesures et analyse (Sciences)
- Traitement des eaux
Record 14, Main entry term, French
- vitesse de filtration réelle
1, record 14, French, vitesse%20de%20filtration%20r%C3%A9elle
correct
Record 14, Abbreviations, French
Record 14, Synonyms, French
Record 14, Textual support, French
Record number: 14, Textual support number: 1 OBS
En fait, la vitesse de filtration réelle dans le filtre le plus propre dépend de la perte de charge maximale tolérée pour l'ensemble de la batterie; [...] 1, record 14, French, - vitesse%20de%20filtration%20r%C3%A9elle
Record 14, Spanish
Record 14, Textual support, Spanish
Record 15 - internal organization data 1981-01-26
Record 15, English
Record 15, Subject field(s)
- Water Treatment (Water Supply)
Record 15, Main entry term, English
- puncture limit 1, record 15, English, puncture%20limit
Record 15, Abbreviations, English
Record 15, Synonyms, English
Record 15, Textual support, English
Record number: 15, Textual support number: 1 OBS
Increasing the filtration speed by raising the head loss is easily ensured provided that the "puncture" limit of the filtering mass is not reached, or the limits where washing is poorly performed, or where it becomes necessary to shut a filter down for a long period for washing purposes, a situation that would waste a great deal of filtered water. 1, record 15, English, - puncture%20limit
Record 15, French
Record 15, Domaine(s)
- Traitement des eaux
Record 15, Main entry term, French
- limite de crevaison
1, record 15, French, limite%20de%20crevaison
correct
Record 15, Abbreviations, French
Record 15, Synonyms, French
Record 15, Textual support, French
Record number: 15, Textual support number: 1 OBS
Accroître la vitesse de filtration par augmentation de la perte de charge est aisément réalisable à condition de ne pas atteindre les limites de crevaison de la masse filtrante ni celles où les lavages se font mal et où il faut immobiliser longtemps un filtre pour son nettoyage tout en perdant une quantité d’eau importante. 1, record 15, French, - limite%20de%20crevaison
Record 15, Spanish
Record 15, Textual support, Spanish
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