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Optimization of a single tube practical acoustic thermometer
ID
Tavčar, Rok
(
Author
),
ID
Drnovšek, Janko
(
Author
),
ID
Bojkovski, Jovan
(
Author
),
ID
Beguš, Samo
(
Author
)
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MD5: 711B29E8220C812471EBEE89739EF20C
URL - Source URL, Visit
https://www.mdpi.com/1424-8220/20/5/1529
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Abstract
When designing a single tube practical acoustic thermometer (PAT), certain considerations should be addressed for optimal performance. This paper is concerned with the main issues involved in building a reliable PAT. It has to be emphasised that a PAT measures the ratio of the time delay between the single temperature calibration point (ice point) and any other temperature. Here, we present different models of the speed of sound in tubes, including the effects of real gases and an error analysis of the most accurate model with a Monte Carlo simulation. Additionally, we introduce the problem of acoustic signal overlap and some possible solutions, one of which is acoustic signal cancellation, which aims to eliminate the unwanted parts of an acoustic signal, and another is to optimize the tube length for the parameters of the gas used and specific temperature range.
Language:
English
Keywords:
acoustic waveguide
,
thermometer
,
temperature
,
speed of sound
,
real gas
,
Monte Carlo simulations
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FE - Faculty of Electrical Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2020
Number of pages:
19 str.
Numbering:
Vol. 20, iss. 5, art. 1529
PID:
20.500.12556/RUL-133197
UDC:
621.317:536.5
ISSN on article:
1424-8220
DOI:
10.3390/s20051529
COBISS.SI-ID:
22292739
Publication date in RUL:
17.11.2021
Views:
830
Downloads:
163
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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:
10.03.2020
Secondary language
Language:
Slovenian
Keywords:
akustični valovod
,
termometer
,
temperatura
,
hitrost zvoka
,
neidealni plin
,
simulacija Monte Carlo
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0225
Name:
Metrologija in kakovost
Funder:
Other - Other funder or multiple funders
Funding programme:
Republic of Slovenia, Ministry of Economic Development and Technology, Metrology Institute
Project number:
6401-18/2008/70
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