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Optimum periodicity of repeated contractile actions applied in mass transport SCIE SCOPUS

Title
Optimum periodicity of repeated contractile actions applied in mass transport
Authors
Ahn, SLee, SJ
Date Issued
2015-01-27
Publisher
Nature Publishing Group
Abstract
Dynamically repeated periodic patterns are abundant in natural and artificial systems, such as tides, heart beats, stock prices, and the like. The characteristic repeatability and periodicity are expected to be optimized in effective system-specific functions. In this study, such optimum periodicity is experimentally evaluated in terms of effective mass transport using one-valve and multi-valve systems working in contractile fluid flows. A set of nanoscale gating functions is utilized, operating in nanocomposite networks through which permeates selectively pass under characteristic contractile actions. Optimized contractile periodicity exists for effective energy impartment to flow in a one-valve system. In the sequential contractile actions for a multi-valve system, synchronization with the fluid flow is critical for effective mass transport. This study provides fundamental understanding on the various repeated periodic patterns and dynamic repeatability occurring in nature and mechanical systems, which are useful for broad applications.
URI
https://oasis.postech.ac.kr/handle/2014.oak/36270
DOI
10.1038/SREP07800
ISSN
2045-2322
Article Type
Article
Citation
Scientific Reports, vol. 5, page. 7800, 2015-01-27
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이상준LEE, SANG JOON
Dept of Mechanical Enginrg
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