ǂA ǂrapid prototyped thermal mass flowmeter

Borut Pečar (Author), Danilo Vrtačnik (Author), Matic Pavlin (Author), Matej Možek (Author)

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$^{−1}$.

Keywords

termični masni merilnik pretoka;hitro prototipiranje;COMSOL;numerične simulacije;kalorimetrični princip;princip vroče žice;thermal mass flowmeter;rapid prototyping;numerical simulation;calorimetric;hot wire;

Data

Language:	English
Year of publishing:	2021
Typology:	1.01 - Original Scientific Article
Organization:	UL FE - Faculty of Electrical Engineering
UDC:	681.121.7:621.38
COBISS:	73889283
ISSN:	1424-8220
Views:	94
Downloads:	42
Average score:	0 (0 votes)
Metadata:

Other data

Secondary language:	Slovenian
Secondary keywords:	termični masni merilnik pretoka;hitro prototipiranje;COMSOL;numerične simulacije;kalorimetrični princip;princip vroče žice;
Type (COBISS):	Article
Pages:	str. 1-20
Volume:	ǂiss. ǂ16
Issue:	5373
Chronology:	Aug.-2 2021
DOI:	10.3390/s21165373
ID:	14947354