A Portable & Disposable Ultra-Low Velocity Flow Sensor from Bioinspired Hair-Like Microstructures

We present, for the first time, the design, development and testing of a portable ultra-low<br />velocity flow sensor with a disposable architecture for use in medical applications. 3Dmicroprinting<br />technique was used to fabricate high aspect ratio microscopic hair-like structures<...

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Main Authors: Harish Devaraj, Rajnish Sharma, Enrico Haemmerle, Kean Aw
Format: Article
Language:English
Published: MDPI AG 2018-12-01
Series:Proceedings
Subjects:
Online Access:https://www.mdpi.com/2504-3900/2/13/731
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spelling doaj-5887bc28210441699b3ca36c20276cd02020-11-24T23:24:15ZengMDPI AGProceedings2504-39002018-12-0121373110.3390/proceedings2130731proceedings2130731A Portable &amp; Disposable Ultra-Low Velocity Flow Sensor from Bioinspired Hair-Like MicrostructuresHarish Devaraj0Rajnish Sharma1Enrico Haemmerle2Kean Aw3Department of Mechanical Engineering, University of Auckland, Auckland 1010, New ZealandDepartment of Mechanical Engineering, University of Auckland, Auckland 1010, New ZealandSchool of Engineering, Computer and Mathematical Sciences, Auckland University of Technology, Auckland 1010, New ZealandDepartment of Mechanical Engineering, University of Auckland, Auckland 1010, New ZealandWe present, for the first time, the design, development and testing of a portable ultra-low<br />velocity flow sensor with a disposable architecture for use in medical applications. 3Dmicroprinting<br />technique was used to fabricate high aspect ratio microscopic hair-like structures<br />from conducting polymers, in particular, poly(3,4-ethylenedioxythiophene):polystyrene-sulfonate<br />(PEDOT:PSS). These high aspect ratio micro-hairs are flexible and conductive that can respond to<br />air flowing over them. A disposable and portable flow sensor with a modular design that allows<br />tuning of measurement range was developed, for integration with an automated neonatal<br />resuscitator to provide closed-loop feedback. The developed portable sensor architecture is capable<br />of real-time indication of the air flow velocity range down to few millimeters/second.https://www.mdpi.com/2504-3900/2/13/731MEMSvelocity sensorsair flow sensorconducting polymersMicro switches3D microstructure printing
collection DOAJ
language English
format Article
sources DOAJ
author Harish Devaraj
Rajnish Sharma
Enrico Haemmerle
Kean Aw
spellingShingle Harish Devaraj
Rajnish Sharma
Enrico Haemmerle
Kean Aw
A Portable &amp; Disposable Ultra-Low Velocity Flow Sensor from Bioinspired Hair-Like Microstructures
Proceedings
MEMS
velocity sensors
air flow sensor
conducting polymers
Micro switches
3D microstructure printing
author_facet Harish Devaraj
Rajnish Sharma
Enrico Haemmerle
Kean Aw
author_sort Harish Devaraj
title A Portable &amp; Disposable Ultra-Low Velocity Flow Sensor from Bioinspired Hair-Like Microstructures
title_short A Portable &amp; Disposable Ultra-Low Velocity Flow Sensor from Bioinspired Hair-Like Microstructures
title_full A Portable &amp; Disposable Ultra-Low Velocity Flow Sensor from Bioinspired Hair-Like Microstructures
title_fullStr A Portable &amp; Disposable Ultra-Low Velocity Flow Sensor from Bioinspired Hair-Like Microstructures
title_full_unstemmed A Portable &amp; Disposable Ultra-Low Velocity Flow Sensor from Bioinspired Hair-Like Microstructures
title_sort portable &amp; disposable ultra-low velocity flow sensor from bioinspired hair-like microstructures
publisher MDPI AG
series Proceedings
issn 2504-3900
publishDate 2018-12-01
description We present, for the first time, the design, development and testing of a portable ultra-low<br />velocity flow sensor with a disposable architecture for use in medical applications. 3Dmicroprinting<br />technique was used to fabricate high aspect ratio microscopic hair-like structures<br />from conducting polymers, in particular, poly(3,4-ethylenedioxythiophene):polystyrene-sulfonate<br />(PEDOT:PSS). These high aspect ratio micro-hairs are flexible and conductive that can respond to<br />air flowing over them. A disposable and portable flow sensor with a modular design that allows<br />tuning of measurement range was developed, for integration with an automated neonatal<br />resuscitator to provide closed-loop feedback. The developed portable sensor architecture is capable<br />of real-time indication of the air flow velocity range down to few millimeters/second.
topic MEMS
velocity sensors
air flow sensor
conducting polymers
Micro switches
3D microstructure printing
url https://www.mdpi.com/2504-3900/2/13/731
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