Investigations on LED illumination for micro-PIV including a novel front-lit configuration

Melker Hagsäter, Henrik Bruus, Jörg Peter Kutter

    Research output: Contribution to journalJournal articleResearchpeer-review


    In this study, we provide a general investigation on micro-PIV with LED illumination. A number of improvements over previous LED-based systems are suggested, in particular, we present a novel front-lit configuration. As a demonstration of its versatility we have used this front-lit configuration to perform micro-PIV measurements around a 50 mu m squared pillar in a micro-channel with rectangular cross section, in both fluorescent mode and scattered mode. A comparison between the two modes is supplied, showing very good agreement between the respective velocity field results.
    Original languageEnglish
    JournalExperiments in Fluids
    Issue number2
    Pages (from-to)211-219
    Publication statusPublished - 2008


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