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Conference Paper: Sound-induced interfacial dynamics in a microfluidic two-phase flow
Title | Sound-induced interfacial dynamics in a microfluidic two-phase flow |
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Authors | |
Issue Date | 2014 |
Publisher | American Physical Society. The Journal's web site is located at http://www.aps.org/meetings/baps/ |
Citation | The 67th Annual Meeting of the American Physical Society (APS) Division of Fluid Dynamics, San Francisco, CA, 23–25 November 2014. In Bulletin of the American Physical Society, 2014, v. 59 n. 20, Abstract: L11.00007 How to Cite? |
Abstract | Retrieving sound wave by a fluidic means is challenging due to the difficulty in visualizing the very minute sound-induced fluid motion. This work studies the interfacial response of multiphase systems towards fluctuation in the flow. We demonstrate a direct visualization of music in the form of ripples at a microfluidic aqueous-aqueous interface with an ultra-low interfacial tension. The interface shows a passive response to sound of different frequencies with sufficiently precise time resolution, enabling the recording of musical notes and even subsequent reconstruction with high fidelity. This suggests that sensing and transmitting vibrations as tiny as those induced by sound could be realized in low interfacial tension systems. The robust control of the interfacial dynamics could be adopted for droplet and complex-fiber generation. |
Description | Session L11: Microscale Flows: Oscillations and Magnetic Manipulation - Abstract: L11.00007 (Abstract ID: BAPS.2014.DFD.L11.7) |
Persistent Identifier | http://hdl.handle.net/10722/256121 |
ISSN |
DC Field | Value | Language |
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dc.contributor.author | Mak, SY | - |
dc.contributor.author | Shum, HC | - |
dc.date.accessioned | 2018-07-17T09:49:51Z | - |
dc.date.available | 2018-07-17T09:49:51Z | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | The 67th Annual Meeting of the American Physical Society (APS) Division of Fluid Dynamics, San Francisco, CA, 23–25 November 2014. In Bulletin of the American Physical Society, 2014, v. 59 n. 20, Abstract: L11.00007 | - |
dc.identifier.issn | 0003-0503 | - |
dc.identifier.uri | http://hdl.handle.net/10722/256121 | - |
dc.description | Session L11: Microscale Flows: Oscillations and Magnetic Manipulation - Abstract: L11.00007 (Abstract ID: BAPS.2014.DFD.L11.7) | - |
dc.description.abstract | Retrieving sound wave by a fluidic means is challenging due to the difficulty in visualizing the very minute sound-induced fluid motion. This work studies the interfacial response of multiphase systems towards fluctuation in the flow. We demonstrate a direct visualization of music in the form of ripples at a microfluidic aqueous-aqueous interface with an ultra-low interfacial tension. The interface shows a passive response to sound of different frequencies with sufficiently precise time resolution, enabling the recording of musical notes and even subsequent reconstruction with high fidelity. This suggests that sensing and transmitting vibrations as tiny as those induced by sound could be realized in low interfacial tension systems. The robust control of the interfacial dynamics could be adopted for droplet and complex-fiber generation. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://www.aps.org/meetings/baps/ | - |
dc.relation.ispartof | American Physical Society Bulletin | - |
dc.title | Sound-induced interfacial dynamics in a microfluidic two-phase flow | - |
dc.type | Conference_Paper | - |
dc.identifier.email | Shum, HC: ashum@hku.hk | - |
dc.identifier.authority | Shum, HC=rp01439 | - |
dc.identifier.hkuros | 250804 | - |
dc.identifier.volume | 59 | - |
dc.identifier.issue | 20 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0003-0503 | - |