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  1. SCIENCE|natural and applied sciences|earth sciences · TRANSPORT · TRANSPORT|land transport|land transport

    #554827

    IATE #1348051
    gaoth-thollán feadánach Ludwieg Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
    ga
    Rohrwindkanal nach Ludwieg
    de
    Ludwieg tube wind tunnel
    en
    Sainmhíniú intermittently operating wind tunnel in which air is stored at high pressure in a long tube of constant cross-section upstream of the test section; the flow is initiated by opening a quick-acting valve downstream. Practically constant stagnation conditions are thus maintained until the expansion wave propagated upstream has returned to the test section after reflection from the closed end of the long tube. High flow quality is achieved, particularly in respect of freedom from low-frequency oscillations Tagairt Multilingual Aeronautical Dictionary(AGARD,1980)
    soufflerie à tube de Ludwieg
    fr