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7 results

  1. SCIENCE|natural and applied sciences · INDUSTRY|electronics and electrical engineering

    #620849

    IATE #1153776
    aermhais Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Air Mass | AM | optische Luftmasse | Luftmasse | atmosphärische Masse
    de
    Definition Weglänge des Sonnenlichts durch die Atmosphäre als Vielfaches des kürzesten Weges AM 1 bei senkrechtem Sonnenstand am Äquator Reference Susanne Rexroth: Gestalten mit Solarzellen - Photovoltaik in der Gebäudehülle. C.F. Müller: Heidelberg, 2002, S.233
    Comment englisch: Air mass, kurz AM Außerhalb der Erdatmosphäre gilt AM 0, in unseren Breiten beschreibt AM 1,5 (das entspricht 48° geografischer Breite) die durchschnittliche Dicke der Atmosphäre. Der AM-Wert repräsentiert eine bestimmte spektrale Zusammensetzung des Sonnenlichts.
    air mass | airmass | AM | thickness of atmosphere
    en
    Definition optical path length through Earth's atmosphere for light from a celestial source Reference "Based on Wikipedia entry for ""Airmass"": http://en.wikipedia.org/wiki/Airmass [15.1.2019]"
    Comment As it passes through the atmosphere, light is attenuated by scattering and absorption; the more atmosphere through which it passes, the greater the attenuation. Consequently, celestial bodies at the horizon appear less bright than when at the zenith. The attenuation, known as atmospheric extinction, is described quantitatively by the Beer-Lambert-Bouguer law. 'Air mass' normally indicates relative air mass, the path length relative to that at the zenith, so by definition the air mass at the zenith is 1. Air mass increases as the angle between the source and the zenith increases, reaching a value of approximately 38 at the horizon. Tables of air mass have been published by numerous authors, including Bemporad (1904), Allen (1976), and Kasten and Young (1989).
    masse d'air | masse atmosphérique
    fr
  2. SCIENCE|natural and applied sciences|earth sciences

    #553284

    IATE #1345843
    sreabhadh aermhaise Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Luftdurchsatz | Luftmassendurchsatz
    de
    air mass flow
    en
    Definition the total mass of air flowing through an engine which includes core or gas generator flow,as well as bypass flows Reference Multilingual Aeronautical Dictionary(AGARD,1980)
    débit d'air massique
    fr
    Definition masse de fluide qui transite par unité de temps(kg/s) Reference Dictionnaire Aéronautique Multilingue(AGARD,1980)
  7. ENVIRONMENT

    #670126

    IATE #45076
    gluaiseacht aeir Reference an Ghníomhaireacht Eorpach Comhshaoil (GEC)
    ga
    Luftbewegung
    de
    air movement
    en
    Definition 1.Air movements within the Earth's atmospheric circulation; also called planetary winds. Two main components are recognized: first, the latitudinal meridional component due to the Coriolis force (a deflecting motion or force discussed by G.G. de Coriolis in 1835. The rotation of the Earth causes a body moving across its surface to be deflected to the right in the N hemisphere and to the left in the S hemisphere); and secondly, the longitudinal component and the vertical movement, resulting largely from varying pressure distributions due to differential heating and cooling of the Earth's surface. Reference 1.WHIT;
    mouvement aérien | mouvement par voie aérienne | mouvement planétaire des masses d'air
    fr