Theoretical and experimental study of an axial flow cyclone for fine particle removal in vacuum conditions

Chuen-Tinn Tsai*, Daren Ren Chen, Hungmin Chein, Sheng Chieh Chen, Jian Lun Roth, Yu Du Hsu, Weiling Li, Pratim Biswas

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    32 Scopus citations

    Abstract

    An axial flow cyclone to remove fine particles at low pressure conditions (6-23 torr) was designed and tested. The inner diameter of the cyclone is 3.0 cm and tested flow rates are 0.455 and 1.0 slpm. A theoretical evaluation was first carried out to calculate the particle collection efficiency and cutoff diameter for the axial flow cyclone. Experiments were then conducted to test the theory at different flow rates, pressures and cyclone designs. It was demonstrated that at sufficiently low pressure of 6 torr (flow rate=0.455 slpm), the axial flow cyclone is able to remove particles below 100 nm efficiently, and the flow Reynolds number was found to have a great effect on the particle collection efficiency.

    Original languageEnglish
    Pages (from-to)1105-1118
    Number of pages14
    JournalJournal of Aerosol Science
    Volume35
    Issue number9
    DOIs
    StatePublished - 1 Jan 2004

    Keywords

    • Air pollution control
    • Axial Flow cyclone
    • Particle control

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