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capillary pressure [2 records]
Record 1 - internal organization data 2003-09-08
Record 1, English
Record 1, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
Record 1, Main entry term, English
- capillary pressure
1, record 1, English, capillary%20pressure
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
The difference in pressure across the interface of two immiscible fluid phases. 2, record 1, English, - capillary%20pressure
Record 1, French
Record 1, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
Record 1, Main entry term, French
- pression capillaire
1, record 1, French, pression%20capillaire
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La pression capillaire correspond à une différence entre la pression au sein du fluide mouillant et celle de la phase la moins mouillante, la capillarité se manifeste lors de l'écoulement de l'eau au sein d'un milieux «poreux» (loi de Darcy) ou dans des conduits dits «capillaires» (loi de Poiseuille). 2, record 1, French, - pression%20capillaire
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Mecánica de fluidos e hidráulica (Física)
Record 1, Main entry term, Spanish
- presión capilar
1, record 1, Spanish, presi%C3%B3n%20capilar
feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2003-04-30
Record 2, English
Record 2, Subject field(s)
- Soil Science
- Soil Mechanics (Engineering)
- Hydrology and Hydrography
Record 2, Main entry term, English
- capillary pressure
1, record 2, English, capillary%20pressure
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Difference of pressure across a curved air/water interface. 2, record 2, English, - capillary%20pressure
Record number: 2, Textual support number: 1 CONT
Capillary water is at a pressure less than atmospheric, which creates capillary tension in the pore water and a counteracting effective stress known as capillary pressure. 3, record 2, English, - capillary%20pressure
Record number: 2, Textual support number: 1 OBS
Capillary pressure ... is due to the tension of the interfacial surface, and its value depends on the curvature of that surface. 4, record 2, English, - capillary%20pressure
Record 2, French
Record 2, Domaine(s)
- Science du sol
- Mécanique des sols
- Hydrologie et hydrographie
Record 2, Main entry term, French
- tension capillaire
1, record 2, French, tension%20capillaire
feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- pression capillaire 2, record 2, French, pression%20capillaire
feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Différence entre les pressions existant de part et d'autre de l'interface incurvée air/eau. 1, record 2, French, - tension%20capillaire
Record number: 2, Textual support number: 1 CONT
Forces capillaires. À l'interface entre deux phases, il existe une tension superficielle liée à la nature des deux substances en contact, qui traduit l'écart entre les forces d'attraction des molécules avec celles qui sont à l'intérieur de leur phase et celles qui sont à l'extérieur. L'eau est «mouillante» avec la plupart des solides c'est-à-dire que l'angle de raccordement de l'interface air-eau avec les solides est aigu. De part et d'autres de l'interface air-eau la pression est différente. L'écart, la pression capillaire, est d'autant plus élevé que le rayon de courbure est plus court. L'air est à la pression atmosphérique (phase continue). L'eau peut ainsi se retrouver à une pression négative (c'est la succion capillaire) : ceci explique l'existence d'un profil d'humidité au-dessus de la ligne de saturation d'un aquifère. 3, record 2, French, - tension%20capillaire
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Ciencia del suelo
- Mecánica del suelo
- Hidrología e hidrografía
Record 2, Main entry term, Spanish
- presión capilar
1, record 2, Spanish, presi%C3%B3n%20capilar
feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Diferencia de presión entre ambas caras de una interfaz curva agua/aire. 2, record 2, Spanish, - presi%C3%B3n%20capilar
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