| Issue |
MATEC Web Conf.
Volume 168, 2018
XXI. International Scientific Conference - The Application of Experimental and Numerical Methods in Fluid Mechanics and Energy 2018 (AEaNMiFMaE-2018)
|
|
|---|---|---|
| Article Number | 07013 | |
| Number of page(s) | 5 | |
| Section | Special Experimental Methods in Fluid Mechanics and Energy | |
| DOI | https://doi.org/10.1051/matecconf/201816807013 | |
| Published online | 23 May 2018 | |
Explosion Characteristics of Hydrogen for CFD Modelling and Simulation of Turbulent Gas Flow
Energy Research Centre, VSB-TU Ostrava, 708 33 Ostrava - Poruba, Czech Republic
* Corresponding author: jan.skrinsky@vsb.cz
Renewable energies became more and more important in the last years. Hydrogen as a promising energy carrier is a perfect candidate to supply the energy demand of the world. The state of the hydrogen gas (turbulences and point concentrations) has a significant impact on the gas explosion indices. A gas cloud is formed by a partial-pressure method in gas explosion experiments in the spherical 20.0∙10-3 m3 chamber. Gas in the chamber reaches an uniform state beyond in hundreds of ms. The absolute pressure for gas dispersion should be higher than 0.01 MPa for the H2 of concentration larger than 30 vol. % of fuel. The initial temperature also influences turbulent gas flow before ignition, especially in the case of the gases lighter-than-air.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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