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Heat Loss Flowmeter for Water Based on Thick Film Thermistors in Power Save Regime

Authorized Users Only
2021
Authors
Aleksić, Stanko O.
Mitrović, Nebojša S.
Luković, Miloljub
Luković, Snežana
Nikolić, Nenad
Article (Published version)
Metadata
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Abstract
Novel heat loss flowmeter for water consists of the small plastic housing and two NTC thick film segmented thermistors with reduced dimensions placed along the main axis. The segmented thermistors were printed using the modified nickel-manganese paste and sintered in air at 850 degrees C / 10 min in the conveyor furnace. The first thermistor Th-1 is cold and measures input water temperature and the second thermistor Th-2 is self-heated at constant voltage and measures water flow rate. A short switch mode operating cycle for the self-heating thermistor was introduced: 30s of self-heating from the initial state and after that 90s of natural cooling to the initial state. The self heating DC current in 30th second I-30 is recognized as the flowmeter response on stable water flow Q, while input water temperature T-w was used as a parameter. The flowmeter temperature range was divided in a few sub-ranges and adaptive DC voltage power supply (RCV) was introduced for each sub-range. The flowme...ter measuring range and inaccuracy were compared with respective ones of other flowmeters.

Keywords:
Water heating / Thick film thermistors / Thermistors / Temperature measurement / Sensors / heat loss flowmeter / Flowmeters / Electrical resistance measurement / Current measurement
Source:
IEEE Sensors Journal, 2021, 21, 1, 199-206
Publisher:
  • IEEE-Inst Electrical Electronics Engineers Inc, Piscataway
Funding / projects:
  • Ministry of Education, Science and Technological Development of the Republic of Serbia
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200132 (University of Kragujevac, Technical Faculty, Čačak) (RS-200132)

DOI: 10.1109/JSEN.2020.3015023

ISSN: 1530-437X

WoS: 000597216600022

Scopus: 2-s2.0-85097719131
[ Google Scholar ]
URI
http://rimsi.imsi.bg.ac.rs/handle/123456789/1397
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za multidisciplinarna istraživanja
TY  - JOUR
AU  - Aleksić, Stanko O.
AU  - Mitrović, Nebojša S.
AU  - Luković, Miloljub
AU  - Luković, Snežana
AU  - Nikolić, Nenad
PY  - 2021
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1397
AB  - Novel heat loss flowmeter for water consists of the small plastic housing and two NTC thick film segmented thermistors with reduced dimensions placed along the main axis. The segmented thermistors were printed using the modified nickel-manganese paste and sintered in air at 850 degrees C / 10 min in the conveyor furnace. The first thermistor Th-1 is cold and measures input water temperature and the second thermistor Th-2 is self-heated at constant voltage and measures water flow rate. A short switch mode operating cycle for the self-heating thermistor was introduced: 30s of self-heating from the initial state and after that 90s of natural cooling to the initial state. The self heating DC current in 30th second I-30 is recognized as the flowmeter response on stable water flow Q, while input water temperature T-w was used as a parameter. The flowmeter temperature range was divided in a few sub-ranges and adaptive DC voltage power supply (RCV) was introduced for each sub-range. The flowmeter measuring range and inaccuracy were compared with respective ones of other flowmeters.
PB  - IEEE-Inst Electrical Electronics Engineers Inc, Piscataway
T2  - IEEE Sensors Journal
T1  - Heat Loss Flowmeter for Water Based on Thick Film Thermistors in Power Save Regime
EP  - 206
IS  - 1
SP  - 199
VL  - 21
DO  - 10.1109/JSEN.2020.3015023
ER  - 
@article{
author = "Aleksić, Stanko O. and Mitrović, Nebojša S. and Luković, Miloljub and Luković, Snežana and Nikolić, Nenad",
year = "2021",
abstract = "Novel heat loss flowmeter for water consists of the small plastic housing and two NTC thick film segmented thermistors with reduced dimensions placed along the main axis. The segmented thermistors were printed using the modified nickel-manganese paste and sintered in air at 850 degrees C / 10 min in the conveyor furnace. The first thermistor Th-1 is cold and measures input water temperature and the second thermistor Th-2 is self-heated at constant voltage and measures water flow rate. A short switch mode operating cycle for the self-heating thermistor was introduced: 30s of self-heating from the initial state and after that 90s of natural cooling to the initial state. The self heating DC current in 30th second I-30 is recognized as the flowmeter response on stable water flow Q, while input water temperature T-w was used as a parameter. The flowmeter temperature range was divided in a few sub-ranges and adaptive DC voltage power supply (RCV) was introduced for each sub-range. The flowmeter measuring range and inaccuracy were compared with respective ones of other flowmeters.",
publisher = "IEEE-Inst Electrical Electronics Engineers Inc, Piscataway",
journal = "IEEE Sensors Journal",
title = "Heat Loss Flowmeter for Water Based on Thick Film Thermistors in Power Save Regime",
pages = "206-199",
number = "1",
volume = "21",
doi = "10.1109/JSEN.2020.3015023"
}
Aleksić, S. O., Mitrović, N. S., Luković, M., Luković, S.,& Nikolić, N.. (2021). Heat Loss Flowmeter for Water Based on Thick Film Thermistors in Power Save Regime. in IEEE Sensors Journal
IEEE-Inst Electrical Electronics Engineers Inc, Piscataway., 21(1), 199-206.
https://doi.org/10.1109/JSEN.2020.3015023
Aleksić SO, Mitrović NS, Luković M, Luković S, Nikolić N. Heat Loss Flowmeter for Water Based on Thick Film Thermistors in Power Save Regime. in IEEE Sensors Journal. 2021;21(1):199-206.
doi:10.1109/JSEN.2020.3015023 .
Aleksić, Stanko O., Mitrović, Nebojša S., Luković, Miloljub, Luković, Snežana, Nikolić, Nenad, "Heat Loss Flowmeter for Water Based on Thick Film Thermistors in Power Save Regime" in IEEE Sensors Journal, 21, no. 1 (2021):199-206,
https://doi.org/10.1109/JSEN.2020.3015023 . .

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