Gaois

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7 results

  1. INDUSTRY|mechanical engineering

    #628787

    IATE #1445661
    frithshreabh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Gegenstrom | im Gegenstrom | Gegenstroemung
    de
    counter-current flow | countercurrent flow | counterflow
    en
    Definition motion of two heat-transfer agents in a heat-exchange system (e.g., in a double-pipe heat exchanger) parallel to each other but in opposite directions Reference """countercurrent flow"". Thermopedia (1.8.2019)"
    à contre-courant | circulation à contre-courant | contre-courant
    fr
    Definition caractéristique des échangeurs de chaleur dans lesquels les deux fluides circulent parallèlement et en sens contraire Reference DIC.INT.FROID
  2. INDUSTRY|chemistry

    #622160

    IATE #1203257
    driogadh codánach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    fraktionierte Destillation | Gegenstromdestillation
    de
    fractional distillation | fractionation | counter-current distillation
    en
    Definition separation of a mixture into its component parts using fractionation columns, and where significant part of the condensed vapor is constantly fed back into the system (called reflux) and comes into intimate and repeated contact with distilling vapors Reference "COM-Terminology Coordination, based on: Lab Society. 'Fractional Distillation [The Complete Guide]' (12.11.2021)"
    distillation fractionnée | distillation à contre-courant
    fr
  3. INDUSTRY|chemistry|chemical industry

    #603723

    IATE #750194
    cúlchaise Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Rückspülung
    de
    backwash | back-wash
    en
    Definition water filter cleaning process where washing liquid is pumped backwards through the filter Reference "COM-Terminology Coordination, based on:- GE Appliances > Water Softener 5 Recharge / Regeneration Stages, http://products.geappliances.com/appliance/gea-support-search-content?contentId=21020 [20.4.2018] - Wikipedia > Backwashing (water treatment), https://en.wikipedia.org/wiki/Backwashing_(water_treatment) [20.4.2018]"
    Comment "In the case of ion-exchange resins, backwash is accomplished by applying a uniform flow of water from the bottom of the bed in order to fluidize the resin and disengage any resin fines and suspended material from around the resin beads.Reference: Lenntech > DOWEX Ion Exchange Resins, https://www.lenntech.com/Data-sheets/Dowex-Ion-Exchange-Resins-Backwash-Flow-Rate-Calculations-L.pdf [20.4.2018]"
    lavage à contre-courant | contre-lavage
    fr
    Definition opération de maintenance préventive consistant à pomper de l'eau en sens inverse afin de débarrasser un milieu filtrant de tout résidu susceptible d'entraver son bon fonctionnement Reference "COM-FR d'après le site de la société Grundfos, Grundfos > Secteurs d'activités > Applications > Lavage à contre-courant, https://fr.grundfos.com/industries-solutions/applications/backwash.html [27.9.2018]"
  4. INDUSTRY|mechanical engineering|mechanical engineering

    #629173

    IATE #1472885
    níochán frithshreibhe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Aufstromwäschen | Gegenstromwäschen | Gegenstromauswäschen
    de
    counter-current washing | countercurrent washing | single stage counter-current washing | single stage countercurrent washing | multiple-stage counter-current washing | multiple-stage countercurrent washing
    en
    Definition solid-liquid extraction method in which the unwashed material flows counter to the movement of the wash liquid Reference "COM-Terminology Coordination, based on:Monica Ek, Göran Gellerstedt, Gunnar Henriksson (Ed.) Pulping Chemistry and Technology. De Gruyter. 2009. ISBN: 978-3-11-021341-6, https://books.google.fr/books?id=xc00XWpTwu8C&pg=PA173&lpg=PA173&dq=multiple-stage+countercurrent+washing&source=bl&ots=hHxlveYrlE&sig=CSeGebEiE1BrFpd5BkVkjzXsKLQ&hl=fr&sa=X&ved=0ahUKEwi-gfDKwPHJAhUH1BoKHRqGCzcQ6AEIHDAA#v=onepage&q=multiple-stage%20countercurrent%20washing&f=false [12.4.2016]"
    Comment It can be done in a single stage or in multiple stages, if the wash filtrate is reused to wash the material again. Two or three stages can be used, allowing up to three times less water consumption in comparison with single stage countercurrent washing.
    lavage à contre-courant
    fr
  5. INDUSTRY|wood industry|wood industry

    #653499

    IATE #3563740
    córas ionsúcháin fliuch Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    nachgeschaltete mehrstufige Wäscher mit doppeltem Einlass
    de
    multistage double inlet downstream scrubber | wet absorption system
    en
    Definition system consisting of a downward pass-through double-flow bisulphite stage equipped with circulating pumps, followed by a second upwards pass-through bisulphite stage, followed by two in-series connected upward pass-through (mono)sulphite stages Reference "COM-Terminology Coordination, based on:Joint Research Centre. Best Available Techniques (BAT) Reference Document for the Production of Pulp, Paper and Board. July 2013, http://eippcb.jrc.ec.europa.eu/reference/BREF/PP_BREF_FD_07_2013.pdf [16.11.2015]"
    Comment The injected Mg(OH)2 solution is absorbed by the flue-gas and removed by a downstream droplet catcher from which it is recirculated. The two (mono)sulphite stages are connected in series and are operated at a pH of 6.9 and pH 7. They transform SO2 and Mg(OH)2 into nearly unsoluble magnesium monosulphite (MgSO3). Each venturi washer has an internal circulation of the Mg(OH)2 solution. The crystal (MgSO3) is transferred to the second bisulphite stage and from there to the first bisulphite stage where it is extensively transformed into Mg(HSO3)2, the unclarified raw acid. During 'normal operating conditions' the absorber stages are operated in series. To remove the built up incrustations from the absorbers, the are regularly cleaned in an 'acid mode'. When one of the monosulphite stages is cleaned, during this 'cleaning mode' the recovery rate for SO2 is temporarily reduced – the emissions of SO2 can reach 650 mg SO2/Nm3. Normally the cleaning cycle lasts around 12 hours for the first and 18 hours for the second monosulphite stage and is carried out once or twice a month.
    laveur multiétage à contre-courant
    fr
    Definition laveur à trois niveaux au moins où le SO2 est éliminé par lavage à l'aide de la solution alcaline de Mg(OH)2 dans le cas du procédé au sulfite de magnésium, et d'une solution de NH3 tout à fait nouvelle dans le cas du procédé au sulfite d'ammonium Reference "COM-FR, d'après la décision d'exécution établissant les conclusions sur les meilleures techniques disponibles (MTD) pour la production de pâte à papier, de papier et de carton, au titre de la directive 2010/75/UE du Parlement européen et du Conseil, CELEX:32014D0687/FR"
    Comment Le contexte est celui de la prévention et de la réduction des émissions de SO2 et de STR lors de la fabrication de pâte chimique par le procédé au bisulfite.
  6. INDUSTRY|chemistry · INDUSTRY|mechanical engineering

    #653779

    IATE #3564558
    scagaire ais-séidte Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Blowback-Filter
    de
    filter-blowback system | blowback filter | third stage blowback filter
    en
    Definition sintered porous metal or ceramic filter which is cleaned by impulse from a high velocity, short duration, reverse flow air pulse Reference "COM-Terminology Coordination, based on:NASA. Automatic Filter-Blowback Systems Used with Sintered-Metal Filters. AEC—NASA TECH BRIEF. Brief 69-10342. August 1969, http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19690000341.pdf [18.3.2015] & Pall Corporation. Pall Gas Solid Separation Systems, http://www.pall.com/pdfs/Fuels-and-Chemicals/GSS.pdf [18.3.2015]"
    Comment "For more information, see:Pall Corporation. Pall Gas Solid Separation Systems, http://www.pall.com/pdfs/Fuels-and-Chemicals/GSS.pdf [18.3.2015]"
    système de décolmatage à contre-courant | filtre à décolmatage par contre-courant | filtre de troisième étage à décolmatage par contre-courant
    fr
    Definition filtre dont le nettoyage s'effectue par inversion du flux d'air ou du flux de liquide Reference "COM-FR sur la base de:1. Site de Depollunet > le précis d'aspiration > les dépoussiéreurs traditionnels > séparateurs à couche poreuse > les filtres à manches feutres, http://www.depollunet.net/precis/iv-les-depoussierreurs-traditionnels/4-2-separateurs-a-couche-poreuse/les-filtres-a-manches-feutres.html [14.9.2015]2. Nouvelles technologies pour l'exploration et l'exploitation des ressources de pétrole et de gaz, vol. 1, éd. Technip pour la Commission des Communautés européennes (1984), https://books.google.be/books?id=z0UgJvaMGc4C&pg=PA657&lpg=PA657&dq=d%C3%A9colmatage+contre-courant+gaz&source=bl&ots=xZS3u4JEQI&sig=n1WZgpmOERqSu8Lgz9Jq_cFto8Q&hl=en&sa=X&ved=0CE4Q6AEwB2oVChMI3rjok6X2xwIVS7gaCh23mAGa#v=onepage&q=d%C3%A9colmatage%20contre-courant%20gaz&f=false [14.9.2015]"
  7. TRANSPORT|air and space transport|air transport · INDUSTRY|mechanical engineering

    #625492

    IATE #1346655
    inneall tuirbín frithshreibhe Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    inneall tuirbín frithshreabh Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Gegenstromturbotriebwerk
    de
    contra flow turbine engine
    en
    Definition a gas-turbine engine in which the turbine and compressor blades are integral or adjacent,and the working fluid flows in opposite directions through the respective passages of the two sets of blades Reference Multilingual Aeronautical Dictionary(AGARD,1980)
    turbomachine à contre-courant
    fr