A pulse-expansion wave tube for nucleation studies at high pressures

K.N.H. Looijmans, M.E.H. Dongen, van

    Research output: Contribution to journalArticleAcademicpeer-review

    38 Citations (Scopus)

    Abstract

    The design and performance of a new pulse-expansion wave tube for nucleation studies at high pressures are described. The pulse-expansion wave tube is a special shock tube in which a nucleation pulse is formed at the endwall of the high pressure section. The nucleation pulse is due to reflections of the initial shock wave at a local widening situated in the low pressure section at a short distance from the diaphragm. The nucleation pulse has a duration of the order of 200 µs, while nucleation pressures that can be achieved range from 1 to 50 bar total pressure. Droplet size and droplet number density can accurately be determined by a 90°-Mie light scattering method and a light extinction method. The range of nucleation rates that can be measured is 108 cm-3¿s-1
    Original languageEnglish
    Pages (from-to)54-63
    Number of pages10
    JournalExperiments in Fluids
    Volume23
    Issue number1
    DOIs
    Publication statusPublished - 1997

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