Article | Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019 | Modeling of the Flow Comparator Prototype as New Primary Standard for High Pressure Natural Gas Flow Metering Linköping University Electronic Press Conference Proceedings
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Title:
Modeling of the Flow Comparator Prototype as New Primary Standard for High Pressure Natural Gas Flow Metering
Author:
Sukhwinder Singh: Institute for Engineering Thermodynamics, Hamburg University of Technology, Germany Gerhard Schmitz: Institute for Engineering Thermodynamics, Hamburg University of Technology, Germany Bodo Mickan: Physikalisch-Technische Bundesanstalt, Braunschweig, Germany
DOI:
10.3384/ecp19157671
Download:
Full text (pdf)
Year:
2019
Conference:
Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019
Issue:
157
Article no.:
069
Pages:
8
No. of pages:
671-678
Publication type:
Abstract and Fulltext
Published:
2019-02-01
ISBN:
978-91-7685-122-7
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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The German national metrological institute, Physikalisch-Technische Bundesanstalt, is developing a new concept for volumetric primary standard to calibrate high pressure gas flow meters. The TUHH is supporting these R&D activities with its competence to elaborate computational models for detailed analysis of complex mechanical systems including fluid flow aspects. The new primary standard is based on a actively driven piston prover to measure the gas flow rate using the time the piston needs to displace a defined enclosed volume of gas in a cylinder.

A computational model written in Modelica R is developeto investigate the Flow Comparator’s dynamic behavior. Validation of the model shows good compliance of the piston velocity and differential pressure at the piston in the model with measured data. With this model the control voltage trajectory can be optimized to increase the available measuring time and it allows to gather detailed information about pressure and temperature development at arbitrary chosen locations in the system with high time resolution.



Keywords: modeling of multi-domain physical systems, flow comparator, high pressure natural gas flow metering, linear motor, optimization

Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019

Author:
Sukhwinder Singh, Gerhard Schmitz, Bodo Mickan
Title:
Modeling of the Flow Comparator Prototype as New Primary Standard for High Pressure Natural Gas Flow Metering
DOI:
http://dx.doi.org/10.3384/ecp19157671
References:
No references available

Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019

Author:
Sukhwinder Singh, Gerhard Schmitz, Bodo Mickan
Title:
Modeling of the Flow Comparator Prototype as New Primary Standard for High Pressure Natural Gas Flow Metering
DOI:
https://doi.org10.3384/ecp19157671
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Last updated: 2019-06-04