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Turbine flowmeter response to transitional flow regimes
ID
Džemić, Zijad
(
Author
),
ID
Širok, Brane
(
Author
),
ID
Bizjan, Benjamin
(
Author
)
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https://www.sciencedirect.com/science/article/pii/S0955598617301279?via%3Dihub
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Abstract
In this paper, acceleration and deceleration performance of turbine flowmeters was investigated in transitional flow regimes. Different flow meters and peak gas flow rates were used, with a step flow transition induced by rapid closing and reopening of the pipeline valve. Hotwire anemometry was employed as a reference method to assess the dynamic response of turbine flowmeters. Results of this study suggest a good dynamic response of turbine flowmeters in accelerating flows, with only a slight delay of the turbine rotation. However, in decelerating flows, the response of the flowmeter turbine was found to be slow, with characteristic time constants up to 35 s and large resulting over-registration of transferred gas volume. Our findings were quantified by multiple regression models for flowmeter response times and over-registered volumes, which were both find to drop with Reynolds number and increase with the flowmeter size. Understanding dynamic response is essential to evaluate dynamic errors and evaluate overall measurement uncertainty.
Language:
English
Keywords:
turbine flowmeter
,
dynamic response
,
Reynolds number
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Publication status:
Published
Publication version:
Author Accepted Manuscript
Article acceptance date:
20.11.2017
Year:
2018
Number of pages:
Str. 18-22
Numbering:
Vol. 59
PID:
20.500.12556/RUL-126751
UDC:
532.57(045)
ISSN on article:
0955-5986
DOI:
10.1016/j.flowmeasinst.2017.11.006
COBISS.SI-ID:
15857179
Publication date in RUL:
05.05.2021
Views:
1013
Downloads:
305
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Record is a part of a journal
Title:
Flow measurement and instrumentation
Shortened title:
Flow meas. instrum.
Publisher:
Elsevier
ISSN:
0955-5986
COBISS.SI-ID:
169755
Licences
License:
CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:
The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:
01.03.2018
Secondary language
Language:
Slovenian
Keywords:
turbinski merilnik pretoka
,
dinamični odziv
,
Reynoldsovo število
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