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HORIZONTAL THERMAL CONDUCTIVITY [2 records]
Record 1 - internal organization data 1993-06-01
Record 1, English
Record 1, Subject field(s)
- Fluid Mechanics and Hydraulics (Physics)
Record 1, Main entry term, English
- lateral boundary effect 1, record 1, English, lateral%20boundary%20effect
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Up until now the envelope equations have been written for a laterally unbounded system. The presence of side boundaries that confine the system can modify the instability mechanism. For example, in convection, viscous friction at a lateral wall increases the damping, which inhibits the instability. By contrast, a thermal perturbation in the wall or simply a difference of thermal conductivity between the fluid and the wall, can build up a horizontal temperature gradient that may induce a fluid motion, thus encouraging the instability. In both cases, we expect lateral boundary effects to impose modulations and act as boundary conditions on the envelope. 1, record 1, English, - lateral%20boundary%20effect
Record 1, French
Record 1, Domaine(s)
- Mécanique des fluides et hydraulique (Physique)
Record 1, Main entry term, French
- effet de paroi latérale
1, record 1, French, effet%20de%20paroi%20lat%C3%A9rale
masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- effet de bords 1, record 1, French, effet%20de%20bords
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Effets de bords. Jusqu'à présent, les équations d'enveloppe ont été écrites et leurs propriétés analysées pour un système latéralement illimité. La présence de bords confinant celui-ci peut modifier le mécanisme d'instabilité. En convection par exemple, la friction visqueuse sur une paroi latérale contribue à l'amortissement, ce qui inhibe l'instabilité. Au contraire, une perturbation thermique dans la paroi ou simplement une différence de conductivité thermique entre fluide et paroi latérale peuvent provoquer l'apparition d'un gradient de température horizontal qui induit le mouvement et donc encourage l'instabilité. Dans les deux cas, on peut s'attendre à ce que les effets de paroi latérale imposent des modulations et agissent comme des conditions aux limites sur l'enveloppe. 1, record 1, French, - effet%20de%20paroi%20lat%C3%A9rale
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 1988-01-23
Record 2, English
Record 2, Subject field(s)
- Oil Production
Record 2, Main entry term, English
- horizontal thermal conductivity
1, record 2, English, horizontal%20thermal%20conductivity
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
... general energy balance equation... applicable to any heat injection system.... Lawerier solved this equation with the following assumptions :... zero horizontal thermal conductivity in reservoir, base and cap rock. 1, record 2, English, - horizontal%20thermal%20conductivity
Record 2, French
Record 2, Domaine(s)
- Production pétrolière
Record 2, Main entry term, French
- conductivité thermique horizontale
1, record 2, French, conductivit%C3%A9%20thermique%20horizontale
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
[...] les résultats obtenus par ce modèle [sont] loin de ceux fournis par l'expérience pour l'extension de la zone chaude, surtout à cause de la conductivité thermique horizontale nulle et verticale infinie [...] 1, record 2, French, - conductivit%C3%A9%20thermique%20horizontale
Record 2, Spanish
Record 2, Textual support, Spanish
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