Articles | Volume 13, issue 2
https://doi.org/10.5194/jsss-13-179-2024
https://doi.org/10.5194/jsss-13-179-2024
Regular research article
 | 
12 Jul 2024
Regular research article |  | 12 Jul 2024

Rapid characterisation of mixtures of hydrogen and natural gas by means of ultrasonic time-delay estimation

Jorge M. Monsalve, Uwe Völz, Marcel Jongmanns, Björn Betz, Sergiu Langa, Christine Ruffert, Jörg Amelung, and Marcus Wiersig

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Cited articles

Blokland, H., Sweelssen, J., Isaac, T., and Boersma, A.: Detecting hydrogen concentrations during admixing hydrogen in natural gas grids, Int. J. Hydrogen Energ., 46, 32318–32330, https://doi.org/10.1016/j.ijhydene.2021.06.221, 2021. 
Bolwien, C.: Quantifying gas mixtures – Hydrogen and gaseous fuels, Fraunhofer Institute for Physical Measurement Techniques IPM, https://www.ipm.fraunhofer.de/content/dam/ipm/en/PDFs/product-information/GP/SPA/Quantifying-gas-mixtures-IR-spectroscopy.pdf (last access: 11 July 2024), 2022. 
Cerbe, G. and Lendt, B.: Grundlagen der Gastechnik, 8th edn., Carl Hanser Verlag GmbH & Co. KG, ISBN 978-3-446-44965-7, 2017. 
Cézar de Almeida, J., Velásquez, J. A., and Barbieri, R.: A Methodology for Calculating the Natural Gas Compressibility Factor for a Distribution Network, Pet. Sci. Technol., 32, 2616–2624, https://doi.org/10.1080/10916466.2012.755194, 2014. 
Dixon, H. and Greenwood, G.: On the velocity of sound in mixtures of gases, Proc. R. Soc. A, 109, 561–569, https://doi.org/10.1098/rspa.1925.0145, 1925.​​​​​​​ 
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Short summary
The purpose of our study is to demonstrate the detection of hydrogen in a mixture with natural gas by means of ultrasound measurements. In the coming years, hydrogen will be mixed with natural gas and distributed in the available gas pipeline network; therefore, monitoring the hydrogen content in real time becomes a necessity. We show the implementation of miniature ultrasound transducers (CMUTs) for this purpose by measuring the speed of sound of the mixture.
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