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首页> 外文期刊>International journal of ambient energy >Combustion analysis of Jatropha methyl esters and Pongamia methyl esters with the addition of ethanol as fuel in a diesel engine
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Combustion analysis of Jatropha methyl esters and Pongamia methyl esters with the addition of ethanol as fuel in a diesel engine

机译：柴油发动机中添加乙醇作为燃料的麻风树麻疯树和Pongamia甲酯的燃烧分析

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摘要

The aim of our project is to experimentally access the practical applications of ethanol and blending it with some lubricating oils in a direct injection compression ignition engine. This replacement of conventional diesel with ethanol requires some of the properties of ethanol to be altered. In order to increase the lubricating property of ethanol, it is blended with some lubricating oils. Some of the preferred lubricating oils are methyl esters of Jatropha oil, Pongamia oil, etc. Ethanol is blended with these lubricating oils to reduce the corrosive property of ethanol. The different fuel blends [Pongamia-ethanol (50-50) and Jatropha-ethanol (50-50)] are used in the direct injection CI engine, the combustion characteristics are calculated and they are compared with diesel and a perfect blend is analysed. The engine combustion parameters such as peak pressure, heat release rate (HRR) and cumulative heat release rate were computed. The combustion analysis revealed that the early rate of pressure rise causes the cylinder pressure to rise early in the case of alternate fuels with a resulting lower rate of pressure rise and peak pressure. However, HRR and cumulative HRR show a maximum for Pongamia-ethanol (50-50) when compared with the neat diesel fuel.
机译：我们项目的目的是通过实验获得乙醇的实际应用并将其与直喷压缩点火发动机中的某些润滑油混合。用乙醇代替常规柴油需要改变乙醇的某些特性。为了提高乙醇的润滑性能，将其与某些润滑油混合。一些优选的润滑油是麻风树油，Pongamia油等的甲酯。将乙醇与这些润滑油混合以降低乙醇的腐蚀性。直接喷射CI发动机使用了不同的混合燃料[Pongamia-乙醇（50-50）和麻风树-乙醇（50-50）]，计算了燃烧特性，并将其与柴油进行了比较，并分析了理想的混合气。计算了发动机燃烧参数，例如峰值压力，放热率（HRR）和累积放热率。燃烧分析表明，在使用替代燃料的情况下，早期的压力升高速率会导致气缸压力提前升高，从而导致较低的压力升高速率和峰值压力。但是，与纯柴油相比，庞加维亚乙醇（50-50）的HRR和累积HRR最高。

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