Gaois

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3 results

  1. SCIENCE|natural and applied sciences|physical sciences · SCIENCE|natural and applied sciences|physical sciences|thermodynamics

    #621011

    IATE #1155158
    scair shreabhach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Wirbelschicht | Wirbelbett
    de
    Definition Schüttung von Feststoffpartikeln, welche durch eine aufwärtsgerichtete Strömung eines Fluids in einen fluidisierten Zustand versetzt wird Reference "Wikipedia > Wirbelschicht, https://de.wikipedia.org/wiki/Wirbelschicht (19.3.2018)"
    fluidised bed | fluidized bed
    en
    Definition "physical phenomenon occurring when a quantity of a solid particulate substance is put in appropriate conditions to cause a solid/fluid mixture to behave as a fluid [ IATE:1153670 ]" Reference "Wikipedia > Fluidized bed (6.2.2020)."
    Comment "Fluidised beds are used for several purposes, such as fluidised bed reactors [ IATE:1158044 ], fluid catalytic cracking [ IATE:1661782 ], fluidised bed combustion [ IATE:1107826 ], heat or mass transfer or interface modification, such as applying a coating onto solid items. Note reference: Wikipedia > Fluidized bed (6.2.2020)."
    lit fluidisé
    fr
    Definition en partant d'une couche de solides divisés au repos, et sous l'effet d'un courant ascendant de gaz, lit fixe de particules qui s'expanse et atteint un état d'équilibre dynamique, dit fluidisé dense, dans lequel les particules sont mises en suspension au-dessus du support poreux traversé par le gaz Reference "COM-FR d'après:Techniques de l'ingénieur - Lits fluidisés- Caractéristiques générales et applications – Gérard Antonini https://www.techniques-ingenieur.fr/base-documentaire/energies-th4/transferts-thermiques-42214210/lits-fluidises-be8255/ [26.7.2018]"
  2. ENERGY|coal and mining industries|coal industry

    #601196

    IATE #114702
    dóchán scaire sreabhaí athfhilltí Reference "Faofa ag an gCoiste Téarmaíochta, www.tearma.ie ;Faomhadh an téarma seo mar chuid de Thionscadal Lex"
    ga
    Feuerung mit zirkulierender Wirbelschicht | ZWS-Feuerung | ZWSF
    de
    CFBC | circulating fluidised bed combustion | fluidised-bed circulating combustion
    en
    Definition fluidised bed combustion in which the combustion takes place under atmospheric or higher pressure, operating at velocities which correspond to a regime of pneumatic transportation and where the particles are collected and recirculated, possibly after passing through a conventional bed, cooled by boiler internals Reference "COM-Terminology Coordination, based on:Jenö Kovács. What are the main characteristics of fluidised bed combustors? IFRF Combustion Handbook, http://www.handbook.ifrf.net/handbook/cf.html?id=87 [30.6.2017]"
    Comment "When an evenly distributed air or gas is passed upward through a finely divided bed of solid particles such as sand supported on a fine mesh, the particles are undisturbed at low velocity. As air velocity is gradually increased, a stage is reached when the individual particles are suspended in the air stream – the bed is called “fluidized”.With further increase in air velocity, there is bubble formation, vigorous turbulence, rapid mixing and formation of dense defined bed surface. The bed of solid particles exhibits the properties of a boiling liquid and assumes the appearance of a fluid – “bubbling fluidized bed”.At higher velocities, bubbles disappear, and particles are blown out of the bed. Therefore, some amounts of particles have to be recirculated to maintain a stable system – “circulating fluidised bed”.FBC BOILERS. National Productivity Council of India, http://www.em-ea.org/guide%20books/book-2/2.6%20fbc.pdf [17.3.2017]"
    CLFC | combustion en lit fluidisé circulant
    fr
    Definition combustion en lit fluidisé et désulfuration au sein d'une masse de fines particules de cendres fortement agitées à basse température (850°C), maintenues en suspension par un courant ascendant d'air soufflé au bas du foyer Reference "Les technologies pour l'utilisation propre du charbon - https://www.senat.fr/rap/l97-4392/l97-439218.html [8.5.2017]"
    Comment "Voir aussi:- combustion en lit fluidisé [ IATE:1107826 ]"
  3. ENVIRONMENT|environmental policy|pollution control measures

    #657993

    IATE #3572637
    sciúrthóir tirim athfhillteach Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Trockenabscheider mit zirkulierender Wirbelschicht
    de
    Definition Technik, bei der Abgas aus dem Luftvorwärmer des Kessels unten in den ZWS-Absorber eintritt und durch eine Venturistrecke strömt, in der ein festes Sorptionsmittel und Wasser getrennt in den Abgasstrom eingespritzt werden, senkrecht nach oben Reference Durchführungsbeschluss der Kommission über Schlussfolgerungen zu den besten verfügbaren Techniken (BVT) gemäß der Richtlinie 2010/75/EU des Europäischen Parlaments und des Rates für Großfeuerungsanlagen COM-Internes Dokument ENV-2017-80020
    circulating dry scrubber | CDS | circulating fluidised bed scrubber | CFB scrubber | circulating fluidised bed dry scrubber | CFB dry scrubber
    en
    Definition semi-dry scrubber used in flue-gas desulphurisation in which the injected sorbent is dry calcium hydroxide (commonly called hydrated lime) while some water is sprayed separately to control flue gas temperature and humidity Reference "COM-Terminology Coordination, based on:EPPSA. EPPSA Report. FLUE GAS CLEANING RETROFIT - GUIDELINE FOR ASSESSMENT AND DESIGN RECOMMENDATIONS, http://www.eppsa.eu/tl_files/eppsa-files/3.%20Publications/Technical%20Brochures/2015.12.01%20-%20FGCFGD_Final_HighRes.pdf [13.4.2017]"
    épurateur à sec à lit fluidisé circulant
    fr
    Definition type d'épurateur à sec utilisé pour la désulfuration des fumées dans lequel les fumées du préchauffeur d’air de la chaudière pénètrent par le bas et remontent en traversant un épurateur venturi où un sorbant solide et de l’eau sont injectés séparément dans le flux de fumées. Reference "COM-FR d'après la décision d'exécution de la Commission établissant les conclusions sur les meilleures techniques disponibles (MTD), au titre de la directive 2010/75/UE du Parlement européen et du Conseil, pour les grandes installations de combustion, CELEX:32017D1442/FR [19.9.2017]"