TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

There is an alternative between closed-and open-loop systems called standing column wells(SCWs). In a SCW, groundwater is pumped from the base of a deep well and directed to a heat exchanger.... A SCW consists of a long borehole mostly drilled in the bedrock and filled with groundwater... Typical installations use a PVC [polyvinyl chloride] pipe almost as long as the well within which a submersible pump is installed. In a conventional SCW, groundwater is pumped at the bottom of the well through a PVC pipe and returned below the dynamic level in the annular space of the borehole via a rejection pipe.... Before reinjecting the groundwater into the SCW, part of the flow rate can be diverted into a separate injection well. This process is called "bleed" and improves the system performance by attracting water from the undisturbed neighbouring ground through aquifer fractures. The bleed induces heat transfer by advection..., which improves significantly the thermal efficiency of the SCW.  2, record 1, English, - standing%20column%20well

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

Le fonctionnement des PCP repose sur l'utilisation de l'eau souterraine comme fluide caloporteur. L'eau est généralement prélevée à proximité de la surface à l'aide d'une pompe submersible et réinjectée à la base du puits. [...] Afin d'améliorer l'efficacité thermique des PCP en période de pointe, un procédé communément appelé «saignée» peut être employé. Cette méthode consiste à purger le PCP d'un faible pourcentage du débit de circulation, afin de stimuler un écoulement souterrain convergent vers le puits. Ce faisant, le renouvellement de l'eau contenue dans le PCP permet de stabiliser rapidement la température du fluide caloporteur à l'approche de la thermopompe.  3, record 1, French, - puits%20%C3%A0%20colonne%20permanente

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

A closed-loop earth energy system that uses refrigerant in a buried pipe loop as a heat exchanger, instead of a water/glycol solution.  2, record 2, English, - direct%20expansion%20system

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 DEF

Système géothermique à boucle fermée qui utilise un frigorigène plutôt que de l'eau glycolée dans la boucle souterraine.  2, record 2, French, - syst%C3%A8me%20%C3%A0%20d%C3%A9tente%20directe

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

Fluid-fluid heat exchanger made of two concentric pipe sections; one fluid(such as a coolant) flows in the annular space between pipes, and the other fluid(such as hot process stream) flows through the inner pipe.  1, record 3, English, - double%2Dpipe%20exchanger

Record number: 3, Textual support number: 1 CONT

The condenser is also a Model no. 06036 shell and tube exchanger, identical to the reboiler with a few modifications : The baffles have been cut at the bottom where they meet the shell to allow condensate to flow out of the shell. The tube side has four passes for maximum heat transfer on the tube side. It is mounted nearly horizontally. The inlet end is a couple of inches higher than the outlet to allow condensate to drain out the low end. A few tubes have been removed at the top to give the vapor more room to distribute itself along the length of the shell. There is a vent on the shell side near the outlet end to allow non-condensable gases to leave. The vent gases pass through the inside of a 36" double pipe condenser so that any condensable gasses will condense out and run down the walls back into the condenser.  2, record 3, English, - double%2Dpipe%20exchanger

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 CONT

Les condenseurs à double tube. Utilisés concurremment avec les condenseurs à immersion [...] ils sont constitués par deux tubes concentriques dans lesquels le fluide frigorigène et l'eau servant à sa condensation circulent à contre courant; [...]  1, record 3, French, - condenseur%20%C3%A0%20double%20tube

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 OBS

Le Bâtiment. Bâtir. Les procédés de récupération de calories, octobre 1977. p. 43  1, record 4, French, - %C3%A9changeur%20du%20type%20caloduc

Record 4,  Textual support,  Spanish