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Rh assisted catalytic oxidation of jet fuel surrogates in a meso-scale combustor

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  • Wierzbicki, Teresa A.
  • Lee, Ivan C.
  • Gupta, Ashwani K.

Abstract

Oxidation behavior of dodecane and two mixtures of dodecane and m-xylene (90/10wt.% and 80/20wt.%) over an Rh catalyst in a meso-scale heat recirculating combustor was examined to isolate the effect of aromatic content on performance. The fuel conversion, product selectivities, and reaction kinetics were calculated, and the global combustion behavior observed. The results showed that increasing the amount of m-xylene in the fuel increased the fuel conversion from 85% (pure dodecane) to 92% (90/10) and further to 98% (80/20). The presence of xylene also significantly increased CO2/H2O selectivity and decreased CO/H2 selectivity. Global activation energy increased linearly with increase in xylene content, supporting that addition of aromatic species to fuel lowers the overall reactivity. The non-catalytic reaction was also simulated using Chemkin software to determine the effect of the Rh catalyst on the combustor performance and to analyze the difference in chemical mechanisms. The results revealed that the catalyst promotes total oxidation over partial oxidation, and lowers the global activation energy by up to 70%.

Suggested Citation

  • Wierzbicki, Teresa A. & Lee, Ivan C. & Gupta, Ashwani K., 2015. "Rh assisted catalytic oxidation of jet fuel surrogates in a meso-scale combustor," Applied Energy, Elsevier, vol. 145(C), pages 1-7.
    • Handle: RePEc:eee:appene:v:145:y:2015:i:c:p:1-7
    DOI: 10.1016/j.apenergy.2015.01.097
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    References listed on IDEAS

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    1. Vijayan, V. & Gupta, A.K., 2010. "Combustion and heat transfer at meso-scale with thermal recuperation," Applied Energy, Elsevier, vol. 87(8), pages 2628-2639, August.
    2. Shirsat, V. & Gupta, A.K., 2011. "A review of progress in heat recirculating meso-scale combustors," Applied Energy, Elsevier, vol. 88(12), pages 4294-4309.
    3. Vijayan, V. & Gupta, A.K., 2011. "Thermal performance of a meso-scale liquid-fuel combustor," Applied Energy, Elsevier, vol. 88(7), pages 2335-2343, July.
    4. Wierzbicki, Teresa A. & Lee, Ivan C. & Gupta, Ashwani K., 2014. "Combustion of propane with Pt and Rh catalysts in a meso-scale heat recirculating combustor," Applied Energy, Elsevier, vol. 130(C), pages 350-356.
    5. Shirsat, V. & Gupta, A.K., 2011. "Performance characteristics of methanol and kerosene fuelled meso-scale heat-recirculating combustors," Applied Energy, Elsevier, vol. 88(12), pages 5069-5082.
    6. Wierzbicki, Teresa A. & Lee, Ivan C. & Gupta, Ashwani K., 2014. "Performance of synthetic jet fuels in a meso-scale heat recirculating combustor," Applied Energy, Elsevier, vol. 118(C), pages 41-47.
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    Cited by:

    1. Fang, Shuo & Zhang, Yufeng & Ma, Zezhong & Zou, Yuezhang & Liu, Xiaowei, 2016. "Development of a micro direct methanol fuel cell with heat control," Energy, Elsevier, vol. 116(P1), pages 978-985.
    2. Wierzbicki, Teresa A. & Lee, Ivan C. & Gupta, Ashwani K., 2016. "Recent advances in catalytic oxidation and reformation of jet fuels," Applied Energy, Elsevier, vol. 165(C), pages 904-918.
    3. Zuo, Wei & E, Jiaqiang & Liu, Haili & Peng, Qingguo & Zhao, Xiaohuan & Zhang, Zhiqing, 2016. "Numerical investigations on an improved micro-cylindrical combustor with rectangular rib for enhancing heat transfer," Applied Energy, Elsevier, vol. 184(C), pages 77-87.
    4. Akhtar, Saad & Khan, Mohammed N. & Kurnia, Jundika C. & Shamim, Tariq, 2017. "Investigation of energy conversion and flame stability in a curved micro-combustor for thermo-photovoltaic (TPV) applications," Applied Energy, Elsevier, vol. 192(C), pages 134-145.
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    6. Jiaqiang, E. & Zuo, Wei & Liu, Xueling & Peng, Qingguo & Deng, Yuanwang & Zhu, Hao, 2016. "Effects of inlet pressure on wall temperature and exergy efficiency of the micro-cylindrical combustor with a step," Applied Energy, Elsevier, vol. 175(C), pages 337-345.

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