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Laminar burning velocity of oxy-methane flames in atmospheric condition

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  • Oh, Jeongseog
  • Noh, Dongsoon

Abstract

The laminar burning velocity of oxy-CH4 flames in atmospheric conditions (300 K and 1 atm) was studied with a lab-scale Bunsen burner. CH chemiluminescence (CH*) was measured, and Schlieren photography was used to derive the laminar burning velocity. The experimental result was compared with the numerical calculation by using a GRI-Mech. ver. 3.0 in a CHEMKIN package. The global equivalence ratio (φG) of an oxy-CH4 mixture varied from φG = 0.5 to 2.0 in 0.1 steps in a laminar flow region. From the observation of the experimental measurements, the structure of laminar premixed flames was composed of a preheating zone, a reaction zone, and a burned gas region. The adiabatic flame temperature (TAd) was predicted to be 3056 K at φG = 1.1 from the numerical calculation. With the angle method, the laminar burning velocity (SL) of premixed oxy-CH4 flames at a normal temperature (300 K) and pressure (1 atm) was measured as SL = 2.95 m/s from Schlieren photographs and SL = 2.91 m/s from CH* images.

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  • Oh, Jeongseog & Noh, Dongsoon, 2012. "Laminar burning velocity of oxy-methane flames in atmospheric condition," Energy, Elsevier, vol. 45(1), pages 669-675.
    • Handle: RePEc:eee:energy:v:45:y:2012:i:1:p:669-675
    DOI: 10.1016/j.energy.2012.07.027
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    References listed on IDEAS

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    1. Riaza, J. & Álvarez, L. & Gil, M.V. & Pevida, C. & Pis, J.J. & Rubiera, F., 2011. "Effect of oxy-fuel combustion with steam addition on coal ignition and burnout in an entrained flow reactor," Energy, Elsevier, vol. 36(8), pages 5314-5319.
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    Cited by:

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    2. Rashwan, Sherif S. & Ibrahim, Abdelmaged H. & Abou-Arab, Tharwat W. & Nemitallah, Medhat A. & Habib, Mohamed A., 2017. "Experimental study of atmospheric partially premixed oxy-combustion flames anchored over a perforated plate burner," Energy, Elsevier, vol. 122(C), pages 159-167.
    3. Li, Yueh-Heng & Chen, Guan-Bang & Lin, Yi-Chieh & Chao, Yei-Chin, 2015. "Effects of flue gas recirculation on the premixed oxy-methane flames in atmospheric condition," Energy, Elsevier, vol. 89(C), pages 845-857.
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    5. Abdelhafez, Ahmed & Hussain, Muzafar & Nemitallah, Medhat A. & Habib, Mohamed A. & Ali, Asif, 2021. "Effects of jet diameter and spacing in a micromixer-like burner for clean oxy-fuel combustion in gas turbines," Energy, Elsevier, vol. 228(C).
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    10. Li, Yueh-Heng & Chen, Guan-Bang & Wu, Fang-Hsien & Hsieh, Hsiu-Feng & Chao, Yei-Chin, 2016. "Effects of carbon dioxide in oxy-fuel atmosphere on catalytic combustion in a small-scale channel," Energy, Elsevier, vol. 94(C), pages 766-774.
    11. Hu, Xianzhong & Yu, Qingbo & Liu, Junxiang & Sun, Nan, 2014. "Investigation of laminar flame speeds of CH4/O2/CO2 mixtures at ordinary pressure and kinetic simulation," Energy, Elsevier, vol. 70(C), pages 626-634.
    12. Oh, Jeongseog, 2016. "Spectral characteristics of a premixed oxy-methane flame in atmospheric conditions," Energy, Elsevier, vol. 116(P1), pages 986-997.
    13. Oh, Jeongseog & Noh, Dongsoon & Ko, Changbok, 2013. "The effect of hydrogen addition on the flame behavior of a non-premixed oxy-methane jet in a lab-scale furnace," Energy, Elsevier, vol. 62(C), pages 362-369.
    14. Wang, Feifei & Li, Pengfei & Mei, Zhenfeng & Zhang, Jianpeng & Mi, Jianchun, 2014. "Combustion of CH4/O2/N2 in a well stirred reactor," Energy, Elsevier, vol. 72(C), pages 242-253.
    15. Abdelhafez, Ahmed & Rashwan, Sherif S. & Nemitallah, Medhat A. & Habib, Mohamed A., 2018. "Stability map and shape of premixed CH4/O2/CO2 flames in a model gas-turbine combustor," Applied Energy, Elsevier, vol. 215(C), pages 63-74.
    16. Habib, Mohamed A. & Nemitallah, Medhat A. & Ahmed, Pervez & Sharqawy, Mostafa H. & Badr, Hassan M. & Muhammad, Inam & Yaqub, Mohamed, 2015. "Experimental analysis of oxygen-methane combustion inside a gas turbine reactor under various operating conditions," Energy, Elsevier, vol. 86(C), pages 105-114.
    17. González Álvarez, José Francisco & Gonzalo de Grado, Jesús, 2019. "Study of combustion in CO2-Capturing semi-closed Brayton cycle conditions," Energy, Elsevier, vol. 166(C), pages 1276-1290.
    18. Oh, Jeongseog & Noh, Dongsoon & Lee, Eungyeong, 2013. "The effect of CO addition on the flame behavior of a non-premixed oxy-methane jet in a lab-scale furnace," Applied Energy, Elsevier, vol. 112(C), pages 350-357.
    19. Park, Yeseul & Li, Xinzhuo & Choi, Minsung & Kim, Dongmin & Lee, Joongsung & Choi, Gyungmin, 2022. "Fuel interchangeability investigation of new Russian PNG for conventional gas appliances," Energy, Elsevier, vol. 260(C).
    20. Sun, Zuo-Yu & Li, Guo-Xiu, 2016. "Propagation characteristics of laminar spherical flames within homogeneous hydrogen-air mixtures," Energy, Elsevier, vol. 116(P1), pages 116-127.

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