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Detonations in hydrogen-methane-air mixtures in semi confined flat channels

Author

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  • Rudy, Wojciech
  • Zbikowski, Mateusz
  • Teodorczyk, Andrzej

Abstract

The aim of this work was to determine the influence of methane addition on the critical layer thickness h* and its relation to detonation cell size (λ) for stable detonation propagating in semi-confined, non-obstructed channel filled with uniform, stoichiometric hydrogen-methane-air mixtures. Three types of gaseous mixture composition were used: 0%, 5% and 10% of methane volume fraction in the mixture with hydrogen. The critical height h*, detonation cell size λ and critical relation h*/λ were defined for each investigated mixture showing that detonation in stoichiometric hydrogen-air mixture may propagate in semi-open channel only when the channel height is very close to, or exceeds, 3 cell sizes. Methane addition to the investigated combustible mixture increases the critical h*, however h*/λ ratio increases as well to 3.1 and 3.4 for 5% and 10% methane fraction, respectively.

Suggested Citation

  • Rudy, Wojciech & Zbikowski, Mateusz & Teodorczyk, Andrzej, 2016. "Detonations in hydrogen-methane-air mixtures in semi confined flat channels," Energy, Elsevier, vol. 116(P3), pages 1479-1483.
    • Handle: RePEc:eee:energy:v:116:y:2016:i:p3:p:1479-1483
    DOI: 10.1016/j.energy.2016.06.001
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    References listed on IDEAS

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    1. Navarro, Emilio & Leo, Teresa J. & Corral, Roberto, 2013. "CO2 emissions from a spark ignition engine operating on natural gas–hydrogen blends (HCNG)," Applied Energy, Elsevier, vol. 101(C), pages 112-120.
    2. Sen, Asok K. & Wang, Jinhua & Huang, Zuohua, 2011. "Investigating the effect of hydrogen addition on cyclic variability in a natural gas spark ignition engine: Wavelet multiresolution analysis," Applied Energy, Elsevier, vol. 88(12), pages 4860-4866.
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    Cited by:

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    2. Wang, Du & Ji, Changwei & Wang, Shuofeng & Yang, Jinxin & Tang, Chuanqi, 2019. "Experimental investigation on near wall ignited lean methane/hydrogen/air flame," Energy, Elsevier, vol. 168(C), pages 1094-1103.
    3. Yu, Runze & Qiu, Yanyu & Xing, Huadao & Xu, Guangan & Wang, Mingyang & Li, Bin & Xie, Lifeng, 2024. "Experimental investigation on initiation mechanism, overpressure, and flame propagation characteristics of methane-air mixtures explosion induced by hexogen in a closed pipeline," Energy, Elsevier, vol. 288(C).
    4. Wojciech Rudy & Andrzej Teodorczyk, 2020. "Numerical Simulations of DDT Limits in Hydrogen-Air Mixtures in Obstacle Laden Channel," Energies, MDPI, vol. 14(1), pages 1-19, December.
    5. Simon Drost & Sven Eckart & Chunkan Yu & Robert Schießl & Hartmut Krause & Ulrich Maas, 2023. "Numerical and Experimental Investigations of CH 4 /H 2 Mixtures: Ignition Delay Times, Laminar Burning Velocity and Extinction Limits," Energies, MDPI, vol. 16(6), pages 1-17, March.
    6. Alves, Luís & Pereira, Vítor & Lagarteira, Tiago & Mendes, Adélio, 2021. "Catalytic methane decomposition to boost the energy transition: Scientific and technological advancements," Renewable and Sustainable Energy Reviews, Elsevier, vol. 137(C).
    7. Zhang, Qibin & Wang, Ke & Dong, Rongxiao & Fan, Wei & Lu, Wei & Wang, Yongjia, 2019. "Experimental research on propulsive performance of the pulse detonation rocket engine with a fluidic nozzle," Energy, Elsevier, vol. 166(C), pages 1267-1275.
    8. Liu, Lijuan & Zhang, Qi, 2019. "Flame range and energy output in two-phase propylene oxide/air mixtures beyond the original premixed zone," Energy, Elsevier, vol. 171(C), pages 666-677.

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