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首页> 外文期刊>Advances in Mechanical Engineering >Research of fuel temperature control in fuel pipeline of diesel engine using positive temperature coefficient material:
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Research of fuel temperature control in fuel pipeline of diesel engine using positive temperature coefficient material:

机译：正温度系数材料在柴油机燃油管道中燃油温度控制的研究：

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As fuel temperature increases, both its viscosity and surface tension decrease, and this is helpful to improve fuel atomization and then better combustion and emission performances of engine. Based on the self-regulated temperature property of positive temperature coefficient material, this article used a positive temperature coefficient material as electric heating element to heat diesel fuel in fuel pipeline of diesel engine. A kind of BaTiO3-based positive temperature coefficient material, with the Curie temperature of 230°C and rated voltage of 24?V, was developed, and its micrograph and element compositions were also analyzed. By the fuel pipeline wrapped in six positive temperature coefficient ceramics, its resistivity–temperature and heating characteristics were tested on a fuel pump bench. The experiments showed that in this installation, the surface temperature of six positive temperature coefficient ceramics rose to the equilibrium temperature only for 100?s at rated voltage. In rated power supp...
机译：随着燃料温度的升高，其粘度和表面张力都会降低，这有助于改善燃料雾化，进而改善发动机的燃烧和排放性能。基于正温度系数材料的自调节温度特性，本文以正温度系数材料为电加热元件，对柴油机燃油管道中的柴油进行加热。研制了一种居里温度为230℃，额定电压为24？V的BaTiO3基正温度系数材料，并对其显微照片和元素组成进行了分析。通过用六个正温度系数陶瓷包裹的燃油管道，在燃油泵工作台上测试了其电阻率-温度和加热特性。实验表明，在该装置中，六个正温度系数陶瓷的表面温度在额定电压下仅在100？s的时间内升至平衡温度。在额定功率下...

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