Numerical Modelling as a Tool for Investigating Hydrogen Explosions

• Autorzy: Pasculescu, Vlad Mihai , Ghicioi, Emilian , Vlasin, Nicolae Ioan , Suvar, Marius Cornel , Morar, Marius Simion

Warianty tytułu

PL

Modelowanie numeryczne jako narzędzie do badania wybuchów wodoru

• Języki publikacji: EN

Abstrakty

EN

Currently, the burning of fossil fuels in industry or for transportation has a major negative impact on the environment. Most countries are concerned with environmental security and pollution regulation, motivating researchers around the world to find alternative solutions. An alternative solution may be the large-scale use of hydrogen. Applications of hydrogen in industry or for transportation face challenging conditions. Among other things, we are talking about pressures of up to 1000 bar, extreme temperatures starting from -253 °C (for liquefied hydrogen) and up to 650 °C - 950 °C (in the case of solid oxide electrolytic cells), as well as the imminent risk of explosion. This is because H2 has an extremely low ignition energy, with much wider flammability limits compared to other fuels such as methane or propane. Hydrogen is a highly reactive and explosive gas. Therefore, explosion protection is essential for all processes involving the use of hydrogen in one form or another. The same principles that are applied to natural gas can be applied. Hydrogen behaves similarly to methane in terms of explosion risk, meaning in principle that explosion protection works similarly for both gases. However, there are still many unknowns regarding the phenomenon of initiation and propagation of explosions caused by air-hydrogen mixtures. Taking into account the multiple aspects related to security techniques that must be taken into account for the use of hydrogen in industry or for transport, the current paper focuses on aspects with regard to the use of modern numerical modelling tools for increasing the occupational health and safety level in technological processes endangered by the occurrence of explosive atmospheres generated by air-hydrogen mixtures. It presents a review on the main research activities to be carried out within a the H2Model research project implemented between 2023 – 2026, project which focuses on numerical modelling on the ignition and propagation of explosions caused by air-hydrogen mixtures.

Słowa kluczowe

PL

modelowanie numeryczne; eksplozje wodoru; mieszaniny powietrza i wodoru; przestrzenie zamknięte

EN

numerical modelling; hydrogen explosions; air-hydrogen mixtures; enclosed spaces

• Czasopismo: Inżynieria Mineralna
• Rocznik: 2024
• Tom: Vol. 1, no. 1
• Strony: 71--76
• Opis fizyczny: Bibliogr. 18 poz.

Twórcy

autor

Pasculescu, Vlad Mihai

• National Institute for Research and Development in Mine Safety and Protection to Explosion – INSEMEX, 32- 34 General Vasile Milea, Petrosani, 332047, Romania,

autor

Ghicioi, Emilian

• National Institute for Research and Development in Mine Safety and Protection to Explosion – INSEMEX, 32- 34 General Vasile Milea, Petrosani, 332047, Romania,

autor

Vlasin, Nicolae Ioan

• National Institute for Research and Development in Mine Safety and Protection to Explosion – INSEMEX, 32- 34 General Vasile Milea, Petrosani, 332047, Romania,

autor

Suvar, Marius Cornel

• National Institute for Research and Development in Mine Safety and Protection to Explosion – INSEMEX, 32- 34 General Vasile Milea, Petrosani, 332047, Romania,

autor

Morar, Marius Simion

• National Institute for Research and Development in Mine Safety and Protection to Explosion – INSEMEX, 32- 34 General Vasile Milea, Petrosani, 332047, Romania,

Bibliografia

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• 7. V. M. Pasculescu, M. C. Suvar, L. I. Tuhut and L. Munteanu, “Numerical modelling of hydrogen release and dispersion”, MATEC Web of Conferences 342, (EDP Sciences, France, 2021), 01004.
• 8. A. B. Simon-Marinica, V. M. Pasculescu, F. Manea and Z. Vass, “The use of computational fluid dynamics
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• 15. L. Ruipengyu, M. Weeratunge and I. Salah, “Numerical study of vented hydrogen explosions in a small scale obstructed chamber”. Int. J. Hydrogen Energy 43, 16667–16683 (2018).
• 16. Z. Y. Zhao, M. Liu, G. P. Xiao, T. C. Cui, Q. X. Ba and X. F. Li, “Numerical study on protective measures for a skid-mounted hydrogen refueling station”. Energies 16, 910 (2023).
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• 18. X. Rocourt, S. Awamat, I. Sochet and S. Jallais, “Vented hydrogen-air deflagration in a small enclosed volume”. Int. J. Hydrogen Energy 39, 20462–20466 (2014).

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).

Identyfikatory

DOI

10.29227/IM-2023-01-09