Abstract
A fire broke out on a diesel railcar while running on a line of the Japan Railways Group. After an exhaustive investigation into the cause of the fire, it was found that the origin had been the lubricating oil of the engine. The lubricating oil vaporized from a long idling engine while the car was standing and accumulated in the exhaust silencer in considerable amounts. When the car was climbing up a long slope, the oil was exposed to a high-temperature exhaust gas and ignited. The flame attacked and melted the exhaust funnel, and eventually caused a fire.
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References
Nagase, K. and Funatsu, K., “Behavior of Band Spectra in Diesel Combustion Flames,” Trans. ASME (Jour. Gas Turbines and Power), July 1988,110,3, p. 393.
Uyehara, O.A., Myers, P.S., Watson, K. M., and Wilson, K. M., “Flame-Temperature Measurement in Internal-Combustion Engines,” Trans. ASME, Jan. 1946.68,1, p. 16.
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Nagase, K., Funatsu, K. A study of a fire on a diesel railcar. Fire Technol 26, 290–309 (1990). https://doi.org/10.1007/BF01293075
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DOI: https://doi.org/10.1007/BF01293075