Theoretical and experimental study of particle collection characteristics of high-velocity multijet cascade impactors

Esko Kauppinen, Risto Hillamo, Juhani Ruuskanen, Timo Hakkarainen, Paavo Rouhiainen

Research output: Contribution to journalArticleScientificpeer-review

22 Citations (Scopus)

Abstract

The absolute gas pressure at the impaction plate varies depending on the relative position of the jet orifice and the pressure tap. For subsonic flows, the pressure at the collection plate below the jet is quite near the upstream stagnation pressure.

Owing to the variation of fluid properties in the impaction region below the compressible jet flow, the exact determination of the cut-off diameters requires careful calibration with monodisperse aerosols.

Original languageEnglish
Pages (from-to)506-510
JournalJournal of Aerosol Science
Volume17
Issue number3
DOIs
Publication statusPublished - 1986
MoE publication typeA1 Journal article-refereed

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