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Study of the influences of blending different proportions of propane into methane on combustion characteristics at the knock threshold by using RCM

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Języki publikacji
EN
Abstrakty
EN
A spark-ignited Rapid Compression Machine (RCM) has been used to investigate the influences of the different proportions of methane-propane mixtures on the combustion characteristics at knock threshold operating condition. First, the threshold operating points of the mixtures have been obtained and the results indicated that the piston driving pressure reduces from 142 bars to 90 bars as the propane content in the mixture increases. As a spark plug was fitted in this RCM, the optimum spark timing was also investigated. It was established that spark timing should be set synchronize with the piston at TDC, due to the free movement of the piston. In most RCMs, piston can move toward TDC following the equilibria of forces due to the absence of con-rod. Finally, knock intensity of the different mixtures has been studied. Pre-heating system in RCM with and without trace heating system; effects of flow-rate and lambda variations on peak pressure, ignition delay time and ARR; threshold operating conditions of pure methane, 90% methane and 10% propane, 80% methane and 20% propane, 70% methane and 30% propane; effect of driving pressure on the knocking intensity for mixture of methane and propane for heavy and light knockings are presented in the article.
Twórcy
  • University of Birmingham, Department of Mechanical Engineering Birmingham B15 2TT, UK tel.:+44 121 4144159, +44 7968 157909
autor
  • University of Birmingham, Department of Mechanical Engineering Birmingham B15 2TT, UK tel.:+44 121 4144159, +44 7968 157909
  • Wartsila Finland Oy Fuel Laboratory Services, Energy Solutions tel.: +358 10 7091015, +358 408308896
Bibliografia
  • [1] Allen, C. M., Advanced rapid compression machine test methods and surrogate fuel modeling for bio-derived jet and diesel fuel autoignition, Michigan State University, Mechanical Engineering, 2012.
  • [2] Alqahtani, A., Shokrollahihassanbarough, F., Wyszynski, M. L., Thermodynamic simulation comparison of AVL BOOST and Ricardo WAVE for HCCI and SI engines optimization, Combustion Engines, 54, 2015.
  • [3] Desantes, J. M., Lopez, J. J., Garcia-Oliver, J. M., Lopez-Pintor, D., A 5-Zone Model to Improve the Diagnosis Capabilities of a Rapid Compression-Expansion Machine (RCEM) in Autoignition Studies, Paper presented at the SAE Technical Paper Series, 2017. [4] Di, Haisheng, He, Xin, Zhang, Peng, Wang, Zhi, Wooldridge, M., Law, S., Chung, K, et al., Effects of buffer gas composition on low temperature ignition of iso-octane and n-heptane, Combustion and Flame, 161(10), 2531-2538, 2014.
  • [5] Goldsborough, S. S., Hochgreb, S., Vanhove, G., Wooldridge, M., S, Curran, H. J, Sung, Ch. J., Advances in rapid compression machine studies of low-and intermediate-temperature autoignition phenomena, Progress in Energy and Combustion Science, 63, 1-78, 2017.
  • [6] Nakamura, H., Darcy, D., Mehl, M., Tobin, Metcalfe, C. J., Wayne, K., Pitz, W., J, et al., An experimental and modeling study of shock tube and rapid compression machine ignition of n-butylbenzene/air mixtures, Combustion and Flame, 161(1), 49-64, 2014.
  • [7] Saharin, S., B., Vaporization and autoignition characteristics of ethanol and 1-propanol droplets: influence of water, Université de Bourgogne, 2013.
  • [8] Shiga, S., Ozone, S., Machacon, H. T. C., Karasawa, T., Nakamura, H., Ueda, T., et al., A study of the combustion and emission characteristics of compressed-natural-gas direct-injection stratified combustion using a rapid-compression-machine, Combustion and Flame, 129(1), 1-10, 2002.
  • [9] Shokrollahihassanbarough, F., Alqahtani, A., Wyszynski, M. L, Thermodynamic simulation comparison of opposed two-stroke and conventional four-stroke engines, Combustion Engines, 54, 2015.
  • [10] Szwaja, S., Ansari, E., Rao, S., Szwaja, M., Grab-Rogalinski, K., Naber, J. D, et al., Influence of exhaust residuals on combustion phases, exhaust toxic emission and fuel consumption from a natural gas fueled spark-ignition engine, Energy Conversion and Management, 165, 440-446, 2018.
  • [11] Tanoue, K., Jimoto, T., Kimura, T., Yamamoto, M., Hashimoto, J., Effect of initial temperature and fuel properties on knock characteristics in a rapid compression and expansion machine, Proceedings of the Combustion Institute, 36(3), 3523-3531, 2017. 346
Uwagi
PL
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-75e0e47b-f27b-4ad4-8c04-1ef6a31d07ec
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