Dynamics and efficiency of a self-propelled, diffusiophoretic swimmer
Journal of Chemical Physics, ISSN: 0021-9606, Vol: 136, Issue: 6, Page: 064508
2012
- 94Citations
- 105Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Citations94
- Citation Indexes94
- 94
- CrossRef88
- Captures105
- Readers105
- 105
Conference Paper Description
Active diffusiophoresis-swimming through interaction with a self-generated, neutral, solute gradient-is a paradigm for autonomous motion at the micrometer scale. We study this propulsion mechanism within a linear response theory. First, we consider several aspects relating to the dynamics of the swimming particle. We extend established analytical formulae to describe small swimmers, which interact with their environment on a finite lengthscale. Solute convection is also taken into account. Modeling of the chemical reaction reveals a coupling between the angular distribution of reactivity on the swimmer and the concentration field. This effect, which we term reaction induced concentration distortion, strongly influences the particle speed. Building on these insights, we employ irreversible, linear thermodynamics to formulate an energy balance. This approach highlights the importance of solute convection for a consistent treatment of the energetics. The efficiency of swimming is calculated numerically and approximated analytically. Finally, we define an efficiency of transport for swimmers which are moving in random directions. It is shown that this efficiency scales as the inverse of the macroscopic distance over which transport is to occur. © 2012 American Institute of Physics.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84857304881&origin=inward; http://dx.doi.org/10.1063/1.3681143; http://www.ncbi.nlm.nih.gov/pubmed/22360196; https://pubs.aip.org/jcp/article/136/6/064508/191994/Dynamics-and-efficiency-of-a-self-propelled; http://aip.scitation.org/doi/10.1063/1.3681143; https://aip.scitation.org/doi/10.1063/1.3681143
AIP Publishing
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