Hydrogen Dispersion and Ventilation Effects in Enclosures under Different Release Conditions
Abstract
:1. Introduction
2. Materials and Methods
2.1. Hydrogen Dispersion Experiment
2.2. CFD Modeling of the Hydrogen Dispersion
3. Results
3.1. Hydrogen Dispersion Analyses
3.2. The Hazard Mitigation by a Ventilation System
4. Discussion
Test No. | Hydrogen Release Method | U [m/s] | D [m] | Fr |
---|---|---|---|---|
Test 1 | Single nozzle release | 129.78 | 4.00 × 10−3 | 4.29 × 105 |
Test 2 | Multi-point release | 2.75 | 2.75 × 10−2 | 2.80 × 101 |
5. Conclusions
Funding
Institutional Review Board Statement
Informed Consent Statement
Acknowledgments
Conflicts of Interest
References
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Test No. | Hydrogen Release Method | Hydrogen Release Outflow [m3/s] | Hydrogen Density [kg/m3] | Hydrogen Mass Flow Rate [kg/s] | Hydrogen Release Source [m2] | Hydrogen Release Velocity [m/s] |
---|---|---|---|---|---|---|
Test 1 | Single nozzle release | 1.63 × 10−3 | 0.82 | 133 × 10−4 | 1.256 × 10−5 | 129.78 |
Test 2 | Multi-point release | 1.63 × 10−3 | 0.82 | 1.33 × 10−4 | 5.935 × 10−4 | 2.75 |
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Brzezińska, D. Hydrogen Dispersion and Ventilation Effects in Enclosures under Different Release Conditions. Energies 2021, 14, 4029. https://doi.org/10.3390/en14134029
Brzezińska D. Hydrogen Dispersion and Ventilation Effects in Enclosures under Different Release Conditions. Energies. 2021; 14(13):4029. https://doi.org/10.3390/en14134029
Chicago/Turabian StyleBrzezińska, Dorota. 2021. "Hydrogen Dispersion and Ventilation Effects in Enclosures under Different Release Conditions" Energies 14, no. 13: 4029. https://doi.org/10.3390/en14134029