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Article

Domestic Gas Meter Durability in Hydrogen and Natural Gas Mixtures

1
Oil and Gas Institute—National Research Institute, ul. Lubicz 25a, 31-503 Kraków, Poland
2
Department of Civil and Mechanical Engineering, University of Cassino and South Lazio, 03043 Cassino, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Vladislav A. Sadykov
Energies 2021, 14(22), 7555; https://doi.org/10.3390/en14227555
Received: 16 October 2021 / Revised: 6 November 2021 / Accepted: 8 November 2021 / Published: 12 November 2021
(This article belongs to the Special Issue Impact of Hydrogen and Natural Gas Substitute on the Gas Networks)
Blending hydrogen into the natural gas infrastructure is becoming a very promising practice to increase the exploitation of renewable energy sources which can be used to produce “green” hydrogen. Several research projects and field experiments are currently aimed at evaluating the risks associated with utilization of the gas blend in end-use devices such as the gas meters. In this paper, the authors present the results of experiments aimed at assessing the effect of hydrogen injection in terms of the durability of domestic gas meters. To this end, 105 gas meters of different measurement capabilities and manufacturers, both brand-new and withdrawn from service, were investigated in terms of accuracy drift after durability cycles of 5000 and 10,000 h with H2NG mixtures and H2 concentrations of 10% and 15%. The obtained results show that there is no metrologically significant or statistically significant influence of hydrogen content on changes in gas meter indication errors after subjecting the meters to durability testing with a maximum of 15% H2 content over 10,000 h. A metrologically significant influence of the long-term operation of the gas meters was confirmed, but it should not be made dependent on the hydrogen content in the gas. No safety problems related to the loss of external tightness were observed for either the new or 10-year-old gas meters. View Full-Text
Keywords: hydrogen; natural gas; domestic gas meter; diaphragm; thermal mass; durability; error of indication hydrogen; natural gas; domestic gas meter; diaphragm; thermal mass; durability; error of indication
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MDPI and ACS Style

Jaworski, J.; Kułaga, P.; Ficco, G.; Dell’Isola, M. Domestic Gas Meter Durability in Hydrogen and Natural Gas Mixtures. Energies 2021, 14, 7555. https://doi.org/10.3390/en14227555

AMA Style

Jaworski J, Kułaga P, Ficco G, Dell’Isola M. Domestic Gas Meter Durability in Hydrogen and Natural Gas Mixtures. Energies. 2021; 14(22):7555. https://doi.org/10.3390/en14227555

Chicago/Turabian Style

Jaworski, Jacek, Paweł Kułaga, Giorgio Ficco, and Marco Dell’Isola. 2021. "Domestic Gas Meter Durability in Hydrogen and Natural Gas Mixtures" Energies 14, no. 22: 7555. https://doi.org/10.3390/en14227555

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