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A rapid prototyped thermal mass flowmeter
ID
Pečar, Borut
(
Author
),
ID
Vrtačnik, Danilo
(
Author
),
ID
Pavlin, Matic
(
Author
),
ID
Možek, Matej
(
Author
)
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MD5: 63CC01B2C5FAEABB5BDD6AEEB1CB14FE
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https://www.mdpi.com/1424-8220/21/16/5373
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Abstract
An innovative rapid prototyping technique for embedding microcomponents in PDMS replicas was developed and applied on a thermal mass flowmeter for closed loop micropump flowrate control. Crucial flowmeter design and thermal parameters were investigated with a 3-D fully coupled electro-thermal-fluidic model which was built in Comsol Multiphysics 5.2. The flowmeter was characterized for three distinct measuring configurations. For precise low flowrate applications, a sensor-heater-sensor flowmeter configuration with a constant heater temperature was found to be the most appropriate yielding the measuring range of 0 to 90 µL·min$^{−1}$ and the sensitivity of 1.3 °C·µL$^{−1}$·min in the lower flowrate range of 0 to 40 µL·min$^{−1}$.
Language:
English
Keywords:
thermal mass flowmeter
,
rapid prototyping
,
COMSOL
,
numerical simulation
,
calorimetric
,
hot wire
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FE - Faculty of Electrical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2021
Number of pages:
20 str.
Numbering:
Vol. 21, iss. 16, art. 5373
PID:
20.500.12556/RUL-135980
UDC:
681.121.7:621.38
ISSN on article:
1424-8220
DOI:
10.3390/s21165373
COBISS.SI-ID:
73889283
Publication date in RUL:
05.04.2022
Views:
889
Downloads:
105
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Record is a part of a journal
Title:
Sensors
Shortened title:
Sensors
Publisher:
MDPI
ISSN:
1424-8220
COBISS.SI-ID:
10176278
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
09.08.2021
Secondary language
Language:
Slovenian
Keywords:
termični masni merilnik pretoka
,
hitro prototipiranje
,
COMSOL
,
numerične simulacije
,
kalorimetrični princip
,
princip vroče žice
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0244
Name:
Mikrostrukture in nanostrukture
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