Molecular dynamics simulation of a nanoscale feedback-free fluidic oscillator
We present a molecular dynamics simulation study of a feedback-free fluidic oscillator model. Using the molecular dynamics simulations, it is demonstrated that the oscillation can be self-induced and sustained in a large range of flow rate and two very different jet directions. The oscillation mecha...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
AIP Publishing LLC
2017-11-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/1.5006894 |
| _version_ | 1819157352984608768 |
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| author | Yunxiao Zhang Qingfei Fu Chaojie Mo Lijun Yang |
| author_facet | Yunxiao Zhang Qingfei Fu Chaojie Mo Lijun Yang |
| author_sort | Yunxiao Zhang |
| collection | DOAJ |
| description | We present a molecular dynamics simulation study of a feedback-free fluidic oscillator model. Using the molecular dynamics simulations, it is demonstrated that the oscillation can be self-induced and sustained in a large range of flow rate and two very different jet directions. The oscillation mechanism of the nanoscale fluidic oscillator is physically similar to that in macroscale in which the dome vortex plays a crucial role. The thermal fluctuation is not significant enough to submerged the effect of hydrodynamics in the nanoscale feedback-free fluidic oscillator. The linear relationship between the oscillation frequency and the flow rate revealed by macroscopic experiments was also found in our simulations. Two of the three oscillation regimes found in macroscopic studies are shown to be able to be reproduced in our simulation. Our results show that molecular dynamics simulation is fully capable of studying the complicated flow in a feedback-free fluidic oscillator. |
| first_indexed | 2024-12-22T16:07:25Z |
| format | Article |
| id | doaj.art-bd4db3479bbd48d7aba56fef624b0734 |
| institution | Directory Open Access Journal |
| issn | 2158-3226 |
| language | English |
| last_indexed | 2024-12-22T16:07:25Z |
| publishDate | 2017-11-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj.art-bd4db3479bbd48d7aba56fef624b07342022-12-21T18:20:35ZengAIP Publishing LLCAIP Advances2158-32262017-11-01711115311115311-810.1063/1.5006894064711ADVMolecular dynamics simulation of a nanoscale feedback-free fluidic oscillatorYunxiao Zhang0Qingfei Fu1Chaojie Mo2Lijun Yang3School of Astronautics, Beihang University, Beijing 100191, P.R. ChinaSchool of Astronautics, Beihang University, Beijing 100191, P.R. ChinaSchool of Astronautics, Beihang University, Beijing 100191, P.R. ChinaSchool of Astronautics, Beihang University, Beijing 100191, P.R. ChinaWe present a molecular dynamics simulation study of a feedback-free fluidic oscillator model. Using the molecular dynamics simulations, it is demonstrated that the oscillation can be self-induced and sustained in a large range of flow rate and two very different jet directions. The oscillation mechanism of the nanoscale fluidic oscillator is physically similar to that in macroscale in which the dome vortex plays a crucial role. The thermal fluctuation is not significant enough to submerged the effect of hydrodynamics in the nanoscale feedback-free fluidic oscillator. The linear relationship between the oscillation frequency and the flow rate revealed by macroscopic experiments was also found in our simulations. Two of the three oscillation regimes found in macroscopic studies are shown to be able to be reproduced in our simulation. Our results show that molecular dynamics simulation is fully capable of studying the complicated flow in a feedback-free fluidic oscillator.http://dx.doi.org/10.1063/1.5006894 |
| spellingShingle | Yunxiao Zhang Qingfei Fu Chaojie Mo Lijun Yang Molecular dynamics simulation of a nanoscale feedback-free fluidic oscillator AIP Advances |
| title | Molecular dynamics simulation of a nanoscale feedback-free fluidic oscillator |
| title_full | Molecular dynamics simulation of a nanoscale feedback-free fluidic oscillator |
| title_fullStr | Molecular dynamics simulation of a nanoscale feedback-free fluidic oscillator |
| title_full_unstemmed | Molecular dynamics simulation of a nanoscale feedback-free fluidic oscillator |
| title_short | Molecular dynamics simulation of a nanoscale feedback-free fluidic oscillator |
| title_sort | molecular dynamics simulation of a nanoscale feedback free fluidic oscillator |
| url | http://dx.doi.org/10.1063/1.5006894 |
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