TERMIUM Plus^®

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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

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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

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Record 2,  Textual support,  English

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Heat rejection equipment includes condensers, cooling towers, pumps, fans and heat exchangers.  2, record 2, English, - heat%20rejection%20equipment

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[...] du matériel de rejet de la chaleur, comme les condensateurs et les systèmes d’eau de refroidissement, [...]  2, record 2, French, - mat%C3%A9riel%20de%20rejet%20de%20la%20chaleur

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Record 3,  Textual support,  English

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The systems that will need to be engineered for a flight ready nuclear gas core rocket are as follows : hydrogen turbopumping, propellant storage tank, porous cavity liner, hydrogen-seed injection, uranium storage and injection, reactivity control, shielding, rocket nozzle, reflector-moderator, pressure vessel, and heat rejection.  2, record 3, English, - cavity%20liner

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Record 4,  Textual support,  English

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Node 2 distributes electrical power and provides heat rejection to the various international laboratories and logistics module attached to it. In addition, the Node 2 provides habitable accommodations for sleeping four... crew persons on-board the ISS [International Space Station].  1, record 4, English, - logistics%20module

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logistics module: term officially approved by the International Space Station official approval Group (ISSOAG).  2, record 4, English, - logistics%20module

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[...] le Nœud 2 [...] reçoit de part et d'autre les laboratoires européens Columbus et japonais JEM [Japanese Experiment Module]. [...] Le dessus du nœud est occupé par la centrifugeuse, le dessous par un module logistique [...]  2, record 4, French, - module%20logistique

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module logistique : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  3, record 4, French, - module%20logistique

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Record 5,  Textual support,  English

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A refrigerant condenser in which heat rejection is accomplished entirely by raising the temperature of the air used as a cooling medium.  1, record 5, English, - air%2Dcooled%20refrigerant%20condenser

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Refrigerant condenser : a heat exchanger in which the refrigerant, compressed to a suitable pressure, is condensed by rejection of heat to an appropriate external cooling medium.  1, record 5, English, - air%2Dcooled%20refrigerant%20condenser

Record 5,  Textual support,  French

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Le condenseur est essentiellement un échangeur de chaleur dont le rôle est d'assurer l'évacuation de la chaleur (flux calorifique), contenue dans les vapeurs comprimées et surchauffées, du fluide frigorigène quittant le compresseur, vers le milieu ambiant extérieur [...] Dans un condenseur à air, c'est à l'air ambiant extérieur qu'incombe le rôle d'assurer la condensation des vapeurs de fluide frigorigène.  1, record 5, French, - condenseur%20%C3%A0%20air

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Record 6,  Textual support,  English

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The Microgravity Science Glovebox(MSG) is a joint development project between NASA and the European Space Agency(ESA). The double rack unit is a versatile research facility designed to permit the flexibility of crew-manipulated investigations. Its configuration has been planned around the concept of an experimental workstation where a variety of experiments can be installed and operated in a fashion very similar to their operation in a ground-based laboratory.... Specifically, the facility provides a large enclosed work volume, power, video, photography, vacuum connections, heat rejection, stowage, filtered air, gaseous nitrogen, lighting, airlock access, physical positioning and hold-down attachments, and computer data acquisition and control capabilities.  3, record 6, English, - microgravity%20science%20glovebox

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The MSG [Microgravity Science Glovebox] is a containment facility designed for supporting a wide range of microgravity science investigations and demonstrations. In the sealed mode, the MSG serves as a single level of containment by providing a physical barrier. In the air circulation mode the MSG serves as a one failure tolerant containment by providing a physical barrier and a negative pressure relative to the cabin. The MSG further facilitates investigations by providing many of the resources that are typically used by microgravity science investigations.  4, record 6, English, - microgravity%20science%20glovebox

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microgravity science glovebox; MSG: term and abbreviation officially approved by the International Space Station official approval Group (ISSOAG).  5, record 6, English, - microgravity%20science%20glovebox

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La boîte à gants permettra aux astronautes à bord de la Station spatiale internationale de procéder à de nombreuses expériences dans le domaine des matériaux, de la combustion, des fluides et de la technologie et de conduire des études sur l'environnement en microgravité. Elle devrait être lancée dans le mini-module logistique pressurisé en mai 2002. Cette installation scientifique offre un volume de travail clos et étanche ; elle est équipée de branchements pour l'éclairage, les dispositifs mécaniques, l'électricité, les données, le gaz et le vide et d'une régulation thermique pour mener à bien les expériences. On accède au volume de travail par des gants intégrés qui isolent l'expérience de l'environnement et de l'opérateur. La MSG [Microgravity Science Glovebox] est montée dans un bâti de charge utile international normalisé (ISPR) ; elle peut être utilisée en mode ouvert, l'air circulant alors du volume de travail vers la cabine de la Station spatiale, ou en mode fermé, l'air ne circulant qu'à l'intérieur de la MSG. De plus, la boîte à gants est capable de maintenir une atmosphère inerte avec de l'azote sec, le volume d'oxygène restant alors égal ou inférieur à 10 %.  2, record 6, French, - bo%C3%AEte%20%C3%A0%20gants

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boîte à gants; MSG : terme et abréviation uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  3, record 6, French, - bo%C3%AEte%20%C3%A0%20gants

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Record 7,  Textual support,  English

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... the JEM-EF provides a total of l2 attachment ports called Exposed Facility Units (EFUs) to which space-exposed hardware may be mated using a standard Payload Interface Unit (PIU). ... A total of 10 EFUs are available for User payloads, the other two being allocated to the ELM-ES [Experiment Logistics Module - Exposed Section] which transports payloads to orbit and stores them when they are not active, and the Interorbit Communication System (ICS). Five of the 10 EFUs are available for NASA payloads.  2, record 7, English, - exposed%20facility%20unit

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The JEM-EF can provide the resources of power, communication and heat rejection capability to the payload via the EEU [Equipment Exchange Unit]. The EEU consists of an Exposed Facility Unit(EFU) and a Payload Interface Unit(PIU). The EFU can connect and disconnect the payload with/from the JEM-EF. The PIU [Payload Interface Unit] should be attached to all JEM-EF experiment payloads.  3, record 7, English, - exposed%20facility%20unit

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exposed facility unit; EFU: term and abbreviation officially approved by th e International Space Station official approval Group (ISSOAG).  4, record 7, English, - exposed%20facility%20unit

Record 7,  Textual support,  French

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port de fixation EFU : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  2, record 7, French, - port%20de%20fixation%20EFU

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Record 8,  Textual support,  English

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Radiative heat rejection(i. e., heat dissipation) is necessary for some Cassini spacecraft components, and this is accomplished by thermal louvers. The thermal louver assemblies provide thermostatically positioned, low-emissivity blades located over a high-emissivity radiative mounting surface. The blades are mounted in such a way as to minimize their thermal coupling to the mounting surface. When the blades are opened, the mounting surface is exposed to space, thereby providing heat rejection from that surface.  2, record 8, English, - thermal%20louver

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Record 9,  Textual support,  English

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The Starboard 0(S0) truss segment is the first major element of the International Space Station's enormous exterior framework. The S0 Truss is 13. 4 meters(44 feet) long and 4. 6 meters(15 feet) wide and weighs 12, 247 kilograms(27, 000 pounds). It is the center segment of 11 integrated trusses that will provide the foundation for station subsystem hardware installation, utility distribution, power generation, heat rejection and external payload accommodations. The S0 truss acts as the junction from which external utilities are routed to the pressurized modules by means of EVA-deployed umbilicals. The S0 truss is going to the space station with a complement of pre-integrated hardware to increase ISS functionality, including the Mobile Transporter, the Trailing Umbilical System, the Portable Work Platform, four Global Positioning System antennas, two rate gyros, an Extravehicular Charged Particle Detection System and umbilicals for U. S. on-orbit elements.  2, record 9, English, - S0%20truss

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S0 truss; integrated truss structure S0; S0; ITS-S0: terms and abbreviations officially approved by the International Space Station official approval Group (ISSOAG).  13, record 9, English, - S0%20truss

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Atlantis (STS-110, mission 8A) rejoignait l'ISS [International Space Station] pour doter la Station d'une nouvelle structure : l'Integrated Truss Structure SO (le segment central de la poutre de 91 m à terme). Cette poutre de 13 m et lourde de 12 tonnes a été fixée au-dessus du laboratoire américain Destiny. Elle servira de base à des dizaines de tonnes d'équipements qui seront installés ces prochaines années : panneaux solaires, appareils de refroidissement et autres systèmes nécessaires au fonctionnement de l'ISS. Enfin, les astronautes d'Atlantis ont installé le transporteur mobile, un petit wagonnet qui doit servir de base mobile pour le bras robotique Canadarm2. Une fois opérationnel, le transporteur mobile circulera le long d'un rail installé le long de la poutre S0.  5, record 9, French, - poutre%20S0

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poutre S0; segment de poutre intégrée S0; S0; ITS-S0 : termes et abréviations uniformisés par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  4, record 9, French, - poutre%20S0

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Record 10,  Textual support,  English

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Louvred/Shuttered Radiator. This activity is aimed at the development and optimization of a shutter or louvre mechanism able to change the heat rejection capability of a radiator and to protect it against the environment(dust, micro meteoroids...).  2, record 10, English, - shuttered%20radiator

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Record 11,  Textual support,  English

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The availability of... resources is not equal at all EFUs [Exposed Facility Units]. For example, higher masses of 2500 kg can be accommodated at two EFU locations, one on the wake and the other on the port side of the EF [JEM-Exposed Facility]. The listed mass values are maximums per site.... Each site is provided a moderate temperature non-water fluid(fluorinert) loop for heat rejection.  2, record 11, English, - Fluorinert%20loop

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Fluorinert [belongs to] a family of perfluorinated liquids offering unique properties ideally suited to the demanding requirements of electronics manufacturing, heat transfer and other specialized applications. [It is] non-flammable, non-corrosive, compatible with sensitive materials, [has] low toxicity and high dielectric strength.  3, record 11, English, - Fluorinert%20loop

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Fluorinert loop: term officially approved by the International Space Station official approval Group (ISSOAG).  4, record 11, English, - Fluorinert%20loop

Record 11,  Textual support,  French

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Stables thermiquement, inertes chimiquement, [les] liquides électroniques Fluorinert [sont] compatibles avec les composants électroniques les plus sensibles, et, notamment, avec ceux qui doivent être refroidis, soudés ou contrôlés. Incolores, inodores et ininflammables, ils ne laissent pas de résidus [et] ne détruisent pas la couche d'ozone.  2, record 11, French, - boucle%20Fluorinert

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boucle Fluorinert : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  1, record 11, French, - boucle%20Fluorinert

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Record 12,  Textual support,  English

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Thermal Management. A moderate-temperature water loop is provided via a 1. 3 cm(0. 5 in) line with a quick-disconnect to each ISPR [International Standard Payload Rack] at an inlet temperature range of 16-24°C(61-75°F). The water is circulated through heat exchangers and stainless steel cold plates to allow thermal conditioning of the internal payload hardware. The water flow is controlled within the U. S. Lab and the JEM [Japanese Experiment Module] to optimize the heat rejection efficiencies of the system. The maximum return water temperature is 49°C(120°F). Inside a payload rack, an avionics air/heat exchanger assembly can be connected to the loop to remove up to 1200 W by circulating air.  2, record 12, English, - moderate%2Dtemperature%20water%20loop

Record number: 12, Textual support number: 1 OBS

moderate-temperature water loop: term officially approved by the International Space Station official approval Group (ISSOAG).  3, record 12, English, - moderate%2Dtemperature%20water%20loop

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 OBS

boucle d'eau à température modérée : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  2, record 12, French, - boucle%20d%27eau%20%C3%A0%20temp%C3%A9rature%20mod%C3%A9r%C3%A9e

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A two-phase heat transfer system that uses wicks with small internal tubing to move the working fluid from the instrument that needs cooling to the spacecraft radiator for heat rejection to space.  2, record 14, English, - capillary%20pumped%20loop

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Record 15,  Textual support,  English

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A refrigerant condenser in which part of the heat rejection may be accomplished by raising the temperature of an air stream passing over a heat exchange surface and the remainder by evaporation of water sprayed or otherwise distributed over the heat exchange surface.  1, record 15, English, - evaporative%20refrigerant%20condenser

Record 15,  Textual support,  French

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Condenseur dans lequel l'évacuation de la chaleur apportée par le frigorigène est obtenue essentiellement par circulation forcée d'air et par évaporation d'eau.  2, record 15, French, - condenseur%20%C3%A9vaporatif

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Record 16,  Textual support,  French

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rejet de chaleur : terme uniformisé par le Comité d'uniformisation de la terminologie spatiale - CUTS.  2, record 16, French, - rejet%20de%20chaleur

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Record 17,  Textual support,  French

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Source : Plan d'entreprise de CANMET, 1991.  1, record 17, French, - moteur%20%C3%A0%20faible%20rejet%20de%20chaleur

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Record 18,  Textual support,  English

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Heat rejection during the thermodynamic conversion presents a special problem in solar power generation.  1, record 18, English, - solar%20power%20generation

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An engine test stand should be mounted in a test cell equipped with necessary controls, instruments, and special measuring devices required for fuel consumption, power output, oil consumption, heat rejection to the oil, and standard engine performance.  2, record 20, English, - test%20cell

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