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      정적연소기를 이용한 43% 암모니아 크래킹 모사연료의 폭발 특성 = Explosion Characteristics of 43% Ammonia Cracking Simulated Fuel Using a Constant-volume Chamber

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      https://www.riss.kr/link?id=A109321565

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      In this study, explosion characteristics with varying initial pressure and equivalence ratio were identified under the conditions of =43% (40% NH3, 45% H2, and 15% N2), which are reported to be similar to the laminar flame properties of methane/air mixtures. The maximum explosion pressure (Pmax) and explosion index (KG) reached the maximum values at equivalence ratio of 1.1, while the explosion time (tc) reached its minimum at 1.1. Furthermore, it was observed that as the initial pressure increased, both the explosion pressure and explosion time increased.
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      In this study, explosion characteristics with varying initial pressure and equivalence ratio were identified under the conditions of =43% (40% NH3, 45% H2, and 15% N2), which are reported to be similar to the laminar flame properties of methane/air mi...

      In this study, explosion characteristics with varying initial pressure and equivalence ratio were identified under the conditions of =43% (40% NH3, 45% H2, and 15% N2), which are reported to be similar to the laminar flame properties of methane/air mixtures. The maximum explosion pressure (Pmax) and explosion index (KG) reached the maximum values at equivalence ratio of 1.1, while the explosion time (tc) reached its minimum at 1.1. Furthermore, it was observed that as the initial pressure increased, both the explosion pressure and explosion time increased.

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      참고문헌 (Reference)

      1 N. N. Shohdy, "Transfer functions of ammonia and partly cracked ammonia swirl flames" 16 (16): 1323-,

      2 H. Xiao, "Study on reduced chemical mechanisms of ammonia/methane combustion under gas turbine conditions" 30 (30): 8701-8710, 2016

      3 X. Hu, "Study on flame propagation and inherent instability of hydrogen/ammonia/air mixture" 357 (357): 129848-, 2024

      4 A. Savitzky, "Smoothing and differentiation of data by simplified least squares procedures" 36 (36): 1627-1639, 1964

      5 H. Kobayashi, "Science and technology of ammonia combustion" 37 (37): 109-133, 2019

      6 A. M. Elbaz, "Review on the recent advances on ammonia combustion from the fundamentals to the applications" 10 : 100053-, 2022

      7 K. Holtappels, "Project SAFEKINEX - safe and efficient hydrocarbon oxidation processes by kinetics and explosion expertise" Federal Institute for Materials Research and Testing

      8 Y. Xie, "Pressure history in the explosion of moist syngas/air mixtures" 185 : 18-25, 2016

      9 M. Comotti, "Hydrogen generation system for ammonia-hydrogen fuelled internal combustion engines" 40 (40): 10673-10686, 2015

      10 C. Tang, "High methane natural gas/air explosion characteristics in confined vessel" 278 : 520-528, 2014

      1 N. N. Shohdy, "Transfer functions of ammonia and partly cracked ammonia swirl flames" 16 (16): 1323-,

      2 H. Xiao, "Study on reduced chemical mechanisms of ammonia/methane combustion under gas turbine conditions" 30 (30): 8701-8710, 2016

      3 X. Hu, "Study on flame propagation and inherent instability of hydrogen/ammonia/air mixture" 357 (357): 129848-, 2024

      4 A. Savitzky, "Smoothing and differentiation of data by simplified least squares procedures" 36 (36): 1627-1639, 1964

      5 H. Kobayashi, "Science and technology of ammonia combustion" 37 (37): 109-133, 2019

      6 A. M. Elbaz, "Review on the recent advances on ammonia combustion from the fundamentals to the applications" 10 : 100053-, 2022

      7 K. Holtappels, "Project SAFEKINEX - safe and efficient hydrocarbon oxidation processes by kinetics and explosion expertise" Federal Institute for Materials Research and Testing

      8 Y. Xie, "Pressure history in the explosion of moist syngas/air mixtures" 185 : 18-25, 2016

      9 M. Comotti, "Hydrogen generation system for ammonia-hydrogen fuelled internal combustion engines" 40 (40): 10673-10686, 2015

      10 C. Tang, "High methane natural gas/air explosion characteristics in confined vessel" 278 : 520-528, 2014

      11 M. Richter, "Extinction strain rates of premixed ammonia/hydrogen/nitrogen-air counterflow flames" 39 (39): 2027-2035, 2023

      12 D. Razus, "Explosion pressures of hydrocarbon–air mixtures in closed vessels" 135 (135): 58-65, 2006

      13 Y. Leo, "Explosion behavior of methane-air mixtures and Rayleigh-Taylor instability in the explosion process near the flammability limits" 324 (324): 124730-, 2022

      14 J. Cheng, "Experimental study on the explosion characteristics of ammonia-hydrogen-air mixtures" 363 : 131046-, 2024

      15 H. Li, "Experimental study on the explosion characteristics of NH3/DME/air mixtures" 352 : 129069-, 2023

      16 Z. Wang, "Experimental and numerical study on premixed partially dissociated ammonia mixtures. Part II: numerical study of premixed combustion characteristics" 306 : 121660-, 2021

      17 M. Gieras, "Determination of explosion parameters of methane-air mixtures in the chamber of 40 dm3 at normal and elevated temperature" 19 (19): 263-270, 2006

      18 B. Liang, "Ammonia-air combustion and explosion characteristics at elevated temperature and elevated pressure" 48 (48): 20225-20237, 2023

      19 A. Valera-Medina, "Ammonia for power" 69 : 63-102, 2018

      20 A. Klerke, "Ammonia for hydrogen storage : challenges and opportunities" 20 : 2304-2310, 2008

      21 F. J. Verkamp, "Ammonia combustion properties and performance in gas-turbine burners" 11 (11): 985-992, 1967

      22 R. Lan, "Ammonia and related chemicals as potential indirect hydrogen storage materials" 37 (37): 1482-1494, 2012

      23 송준호 ; 이기만, "A study on measurement of laminar burning velocity and Markstein length of SNG fuel in spherical propagation flame" 30 (30): 67-75, 2019

      24 W. S. Chai, "A review on ammonia, ammonia-hydrogen and ammonia-methane fuels" 147 : 111254-, 2021

      25 P. Berwal, "A comprehensive review on synthesis, chemical kinetics, and practical application of ammonia as future fuel for combustion" 99 : 273-298, 2021

      26 S. Wiseman, "A comparison of the blow-out behavior of turbulent premixed ammonia/hydrogen/nitrogen-air and methaneair flames" 38 (38): 2869-2876, 2021

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