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Experimental and numerical characterization of hydrogen jet fires

Carboni M. / Pio G. / Mocellin P. / Pilo F. / Vianello C. / Russo P. / Maschio G. / Salzano E.

Compressed hydrogen gas is considered the most convenient and robust technological solution for long-term storage. However, several safety concerns are still under investigation. This work presents an experimental and numerical characterization of the jet flame produced after the accidental release from a high-pressure tank containing pure hydrogen at pressures ranging from 90 to 450 bar and release diameters ranging from 1 to 5 mm. Results are expressed in terms of temperature history and flame length. The complete set of measurements has been reported in the supplementary materials. Both integral and discrete models were employed. Besides, the computational fluid dynamic was integrated with finite reaction rate and accurate thermodynamic properties (from the ab initio approach) and showed excellent agreement with experimental data.

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Experimental and numerical characterization of hydrogen jet fires

Carboni M. / Pio G. / Mocellin P. / Pilo F. / Vianello C. / Russo P. / Maschio G. / Salzano E.

Compressed hydrogen gas is considered the most convenient and robust technological solution for long-term storage. However, several safety concerns are still under investigation. This work presents an experimental and numerical characterization of the jet flame produced after the accidental release from a high-pressure tank containing pure hydrogen at pressures ranging from 90 to 450 bar and release diameters ranging from 1 to 5 mm. Results are expressed in terms of temperature history and flame length. The complete set of measurements has been reported in the supplementary materials. Both integral and discrete models were employed. Besides, the computational fluid dynamic was integrated with finite reaction rate and accurate thermodynamic properties (from the ab initio approach) and showed excellent agreement with experimental data.

Experimental and numerical characterization of hydrogen jet fires

Carboni M. / Pio G. / Mocellin P. / Pilo F. / Vianello C. / Russo P. / Maschio G. / Salzano E.

Compressed hydrogen gas is considered the most convenient and robust technological solution for long-term storage. However, several safety concerns are still under investigation. This work presents an experimental and numerical characterization of the jet flame produced after the accidental release from a high-pressure tank containing pure hydrogen at pressures ranging from 90 to 450 bar and release diameters ranging from 1 to 5 mm. Results are expressed in terms of temperature history and flame length. The complete set of measurements has been reported in the supplementary materials. Both integral and discrete models were employed. Besides, the computational fluid dynamic was integrated with finite reaction rate and accurate thermodynamic properties (from the ab initio approach) and showed excellent agreement with experimental data.

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Title:

Experimental and numerical characterization of hydrogen jet fires

Contributors:

Carboni M. (author) / Pio G. (author) / Mocellin P. (author) / Pilo F. (author) / Vianello C. (author) / Russo P. (author) / Maschio G. (author) / Salzano E. (author) / Carboni, M. / Pio, G.

Publication date:

2022-01-01

DOI:

https://doi.org/10.1016/j.ijhydene.2022.05.010

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Ab initio , Compressed hydrogen , Computational fluid dynamic , Experimental campaign , Flame length , Jet fire

Classification:

DDC: 624

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