It has been known that magnetic exposure of fuel prior to combustion\ncan improve effectiveness of combustion process. However, the main reason of\nthe phenomenon is still unclear. In this paper, characteristics of fuel as exposed to\nelectromagnetic field was measured experimentally and inter-related appropriately\nin order to have preliminary insight to the clarification of the phenomenon. Fuel\ncharacteristics being investigated were viscosity, vibration of the fuel molecules,\ndipole moment, and refractive index. These experiments were performed using various\nblend compositions between fossil diesel (petrodiesel) and biodiesel fuel i.e. B0,\nB10, B40, B70 and B100. The electromagnetic field was generated by a galvanum\ntube wounded with 9,000 wire coil. The fuel characteristics of both prior and post\nelectromagnetic exposures were then measured with time variation of 0ââ?¬â??1,800 s.\nThe experimental results revealed that electromagnetic exposure of the fuel increased\nvibrational frequency of its molecules significantly, which in turn weakened\nthe attracting energy and caused uniform arrangement of dipole moment of the\nmolecules. The experimental data also revealed that the fuel characteristics did not\nalter significantly after it was exposed to the electromagnetic field for more than 1,200 s. This information is considered to be useful for further research in order\nto resolutely clarify the phenomenon of efficient combustion process of fuel after\nexposure to magnetic field.
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