2019
DOI: 10.48550/arxiv.1911.07815
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Generation and application of sub-kilohertz oscillatory flows in microchannels

Giridar Vishwanathan,
Gabriel Juarez

Abstract: We present a user-friendly and versatile experimental technique that generates sub-kilohertz sinusoidal oscillatory flows within microchannels. The method involves the direct interfacing of microfluidic tubing with a loudspeaker diaphragm to generate oscillatory flow in microchannels with frequencies ranging from 10−1000 Hz and amplitudes ranging from 10−600 µm. The speaker-based apparatus allows independent control of frequency and amplitude that is unique to the speaker's manufacturing specifications. The pe… Show more

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