Passive viscous flow selection via fluid-induced buckling
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866929425594974208 |
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| author | Garg, Hemanshul Ledda, Pier Giuseppe Pedersen, Jon Skov Pezzulla, Matteo |
| author_facet | Garg, Hemanshul Ledda, Pier Giuseppe Pedersen, Jon Skov Pezzulla, Matteo |
| contents | We study the buckling of a clamped beam immersed in a creeping flow within a rectangular channel. Via a combination of precision experiments, simulations, and theoretical modeling, we show how the instability depends on a pressure feedback mechanism and rationalize it in terms of dimensionless parameters. As the beam can bend until touching the wall above a critical flow rate, we finally demonstrate how the system can be used as a tunable passive flow selector, effectively redirecting the flow within a designed hydraulic circuit. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_11966 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Passive viscous flow selection via fluid-induced buckling Garg, Hemanshul Ledda, Pier Giuseppe Pedersen, Jon Skov Pezzulla, Matteo Soft Condensed Matter Fluid Dynamics We study the buckling of a clamped beam immersed in a creeping flow within a rectangular channel. Via a combination of precision experiments, simulations, and theoretical modeling, we show how the instability depends on a pressure feedback mechanism and rationalize it in terms of dimensionless parameters. As the beam can bend until touching the wall above a critical flow rate, we finally demonstrate how the system can be used as a tunable passive flow selector, effectively redirecting the flow within a designed hydraulic circuit. |
| title | Passive viscous flow selection via fluid-induced buckling |
| topic | Soft Condensed Matter Fluid Dynamics |
| url | https://arxiv.org/abs/2402.11966 |