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Bulk Acoustic Wave ...
Bulk Acoustic Wave Activated Droplet Generation and Isolation
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- Hemachandran, E. (författare)
- Indian Institute of Technology Madras
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- Laurell, T. (författare)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,SEBRA Sepsis and Bacterial Resistance Alliance,Forskargrupper vid Lunds universitet,Acoustofluidics group,LUCC: Lunds universitets cancercentrum,Övriga starka forskningsmiljöer,LTH profilområde: Nanovetenskap och halvledarteknologi,LTH profilområden,LTH profilområde: Teknik för hälsa,LU profilområde: Ljus och material,Lunds universitets profilområden,Other operations, LTH,Faculty of Engineering, LTH,Lund University Research Groups,LUCC: Lund University Cancer Centre,Other Strong Research Environments,LTH Profile Area: Nanoscience and Semiconductor Technology,LTH Profile areas,Faculty of Engineering, LTH,LTH Profile Area: Engineering Health,Faculty of Engineering, LTH,LU Profile Area: Light and Materials,Lund University Profile areas
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- Sen, A. K. (författare)
- Indian Institute of Technology Madras
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Bhattacharyya, Suvanjan (redaktör/utgivare)
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Verma, Saket (redaktör/utgivare)
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Harikrishnan, A.R. (redaktör/utgivare)
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(creator_code:org_t)
- 2023
- 2023
- Engelska 6 s.
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Ingår i: Fluid Mechanics and Fluid Power (Vol. 3)- Select Proceedings of FMFP 2021. - 2195-4364 .- 2195-4356. - 9789811962691 ; , s. 145-150
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- On-demand droplet generation from a continuously flowing stream of aqueous phase has profound applications in dropletbased microfluidics for rare event encapsulation studies. Here, we present acoustic relocation-based droplet generation from co-flowing immiscible fluids in an on-demand manner using bulk acoustic wave (BAW). After on-demand droplet generation, droplets are isolated using the same acoustic force resulted from BAW. Two different acoustic relocation regimes are observed, namely, stream to droplet relocation and stream to stream relocation regime. Our experimental observation reveals that to generate droplets from co-flowing fluids, the following conditions must be satisfied. First, the co-flowing immiscible stream should be maintained in acoustic relocation conditions (Cac > 1); Second, the capillary instability should be triggered during the relocation process, which happens at capillary numbers of the co-flowing fluids should be less than 0.2 (CaL and CaH < 0.2). Finally, using BAW microfluidic chip, droplets containing microparticle were produced ondemand from co-flowing streams wherein the microparticles are added in one of the phases.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Strömningsmekanik och akustik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Fluid Mechanics and Acoustics (hsv//eng)
Nyckelord
- Acoustic relocation
- Bulk acoustic wave
- Capillary instability
- Co-flow
- Encapsulation
- On-demand droplet
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
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