INFLUENCE ON PISTON ENGINE PERFORMANCE BY THE BIOCOMPONENTS AND DIFFERENT TYPES OF NANO MATERIALS

Q4 Engineering 内燃机学报 Pub Date : 2021-07-26 DOI:10.20998/0419-8719.2021.2.02
А.М. Levterov, А.А. Levterov
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Abstract

The obviousness of the finiteness of the planet's energy resources makes us constantly concern ourselves with the search for new energy sources and their rational use. The main energy converter is the internal combustion engine and contrary to forecasts, continues to occupy a leading position. Therefore, the issues of improving its working processes, reducing the consumption of mineral fuel, the possibility of using all kinds of alternative fuels and improving the quality of motor fuel continue to be considered throughout the energy world. On the agenda is the dissemination of advances in nanotechnology to the propulsion industry. Improvement of engine performance when using fuel dispersed with nanomaterials of various types is beyond doubt and is used both for pure petroleum and biodiesel and for their mixtures. In the article, against the background of the analysis of studies on the use of alternative biofuels and the introduction of the practice of introducing nanoparticles into petroleum fuel and biofuels as a potential energy carrier to improve the characteristics of toxicity and engine performance, the results of studies of a number of biofuels have been presented. Presented are the results of a study of the performance of a 1Ch 8.5 / 11 diesel engine carried out in the laboratory of IPMash NAS of Ukraine when operating on diesel fuel dispersed with carbon spheroidal nanoadditives of various concentrations, and some comparative results of studies of the indicators of diesel engines with direct injection 2Ch 10.5 / 12 and 4ChN 7.9 / 7.5 ALH, operating on standard and mixed fuels with biocomponents synthesized from rapeseed, sunflower, mustard and corn oils. The thermophysical properties of the fuel (heat of combustion, thermal conductivity, heat capacity, density, kinematic viscosity, convective heat transfer, ignition temperature, cetane number, etc.) undergo significant changes when nanoparticles are introduced into it. The optimal amount of metal nanoparticles, metal oxides, carbon tubes, graphene in mineral, biodiesel or mixed fuel promotes more complete combustion, significantly improves engine performance, and reduces harmful emissions.
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生物成分和不同类型纳米材料对活塞发动机性能的影响
地球能源资源的有限性使我们不断关注寻找新能源及其合理利用。主要的能源转换器是内燃机,与预测相反,继续占据领先地位。因此,改进其工作过程,减少矿物燃料的消耗,使用各种替代燃料的可能性以及提高汽车燃料的质量等问题继续被整个能源世界所考虑。议程上的议题是将纳米技术的进步推广到推进工业。当使用分散在各种类型纳米材料中的燃料时,发动机性能的改善是毫无疑问的,并且用于纯石油和生物柴油及其混合物。本文以分析替代生物燃料的使用研究为背景,介绍了在石油燃料和生物燃料中引入纳米颗粒作为潜在的能量载体来改善其毒性特性和发动机性能的做法,介绍了一些生物燃料的研究结果。本文介绍了在乌克兰IPMash NAS实验室进行的1Ch 8.5 / 11柴油机在使用分散有不同浓度碳球纳米添加剂的柴油燃料时的性能研究结果,以及直接喷射2Ch 10.5 / 12和4ChN 7.9 / 7.5 ALH柴油发动机在使用标准燃料和混合燃料(油菜籽、向日葵、芥末和玉米油。当纳米颗粒加入后,燃料的热物理性质(燃烧热、导热系数、热容、密度、运动粘度、对流换热、着火温度、十六烷数等)发生了显著变化。矿物、生物柴油或混合燃料中金属纳米颗粒、金属氧化物、碳管、石墨烯的最佳用量促进更完全的燃烧,显著提高发动机性能,减少有害排放。
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来源期刊
内燃机学报
内燃机学报 Engineering-Mechanical Engineering
CiteScore
1.00
自引率
0.00%
发文量
3050
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