Reynolds numbers exhibit dramatic influence on directionality of movement of self-propelled systems

Self-propelled artificial objects are at the current forefront of research. We demonstrate here that the motion directionality of millimetre sized self-propelled objects is highly dependent on the Reynolds numbers (Re) of the systems, with emphasis on the “intermediate” Re region (1–600). Our findin...

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Bibliographic Details
Main Authors: Zhao, Guanjia, Pumera, Martin
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2013
Online Access:https://hdl.handle.net/10356/100763
http://hdl.handle.net/10220/11045
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Institution: Nanyang Technological University
Language: English
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Summary:Self-propelled artificial objects are at the current forefront of research. We demonstrate here that the motion directionality of millimetre sized self-propelled objects is highly dependent on the Reynolds numbers (Re) of the systems, with emphasis on the “intermediate” Re region (1–600). Our findings have strong implication on the motion controllability and predictability of these independent self-propelled systems.