Effects of combustion chamber profile on direct injection diesel engine operated with SuOME

INTERNATIONAL CONFERENCE ON MATERIALS, MANUFACTURING AND MACHINING 2019 Pub Date : 2019-07-23 DOI:10.1063/1.5117973

N. Kumar, T. Chandrashekar, N. Banapurmath

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引用次数: 3

Abstract

Present work is focused on experimental investigation of performance, combustion and emission of DI diesel engine using Simarouba Oil Methyl Ester (SuOME). Control of combustion process in order to achieve better performance with reduced emission has been achieved by varying the shape of combustion chamber. In order to study the effect of shapes of different combustion chambers on performance of diesel engine, Toroidal Re-entrant Combustion Chamber (TRCC), Lateral Swirl Combustion Chamber (LSCC), Dual Swirl Combustion Chamber (DSCC) and Lateral Dual Swirl Combustion Chamber (LDSCC) were developed without changing compression ratio of standard diesel engine. Experiments were carried out using optimum injection timing of 27°bTDC, injector opening pressure of 240 bar and nozzle geometry of 6 holes with 0.2 mm diameter. Results of DI diesel engine operated with SuOME revealed that the LSDCC shape resulted in improved engine brake thermal efficiency with minimum HC and CO emission levels compared to other selected combustion chamber shapes.Present work is focused on experimental investigation of performance, combustion and emission of DI diesel engine using Simarouba Oil Methyl Ester (SuOME). Control of combustion process in order to achieve better performance with reduced emission has been achieved by varying the shape of combustion chamber. In order to study the effect of shapes of different combustion chambers on performance of diesel engine, Toroidal Re-entrant Combustion Chamber (TRCC), Lateral Swirl Combustion Chamber (LSCC), Dual Swirl Combustion Chamber (DSCC) and Lateral Dual Swirl Combustion Chamber (LDSCC) were developed without changing compression ratio of standard diesel engine. Experiments were carried out using optimum injection timing of 27°bTDC, injector opening pressure of 240 bar and nozzle geometry of 6 holes with 0.2 mm diameter. Results of DI diesel engine operated with SuOME revealed that the LSDCC shape resulted in improved engine brake thermal efficiency with minimum HC and CO emission levels compared to other sele...

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燃烧室外形对SuOME直喷柴油机运行的影响

本文主要对Simarouba油甲酯(SuOME)对直喷式柴油机的性能、燃烧和排放进行了试验研究。通过改变燃烧室的形状来控制燃烧过程以达到更好的性能和减少排放。为了研究不同燃烧室形状对柴油机性能的影响，在不改变标准柴油机压缩比的情况下，研制了环形再入燃烧室(TRCC)、侧向旋流燃烧室(LSCC)、双旋流燃烧室(DSCC)和侧向双旋流燃烧室(LDSCC)。实验采用最佳喷射时间为27°bTDC，喷油器开启压力为240 bar，喷嘴几何形状为6个直径为0.2 mm的孔。使用SuOME的直喷式柴油发动机的测试结果表明，与其他燃烧室形状相比，LSDCC形状提高了发动机的制动热效率，同时降低了HC和CO排放水平。本文主要对Simarouba油甲酯(SuOME)对直喷式柴油机的性能、燃烧和排放进行了试验研究。通过改变燃烧室的形状来控制燃烧过程以达到更好的性能和减少排放。为了研究不同燃烧室形状对柴油机性能的影响，在不改变标准柴油机压缩比的情况下，研制了环形再入燃烧室(TRCC)、侧向旋流燃烧室(LSCC)、双旋流燃烧室(DSCC)和侧向双旋流燃烧室(LDSCC)。实验采用最佳喷射时间为27°bTDC，喷油器开启压力为240 bar，喷嘴几何形状为6个直径为0.2 mm的孔。使用SuOME的直喷式柴油发动机的测试结果表明，与其他型号相比，LSDCC形状提高了发动机的制动热效率，同时降低了HC和CO排放水平。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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INTERNATIONAL CONFERENCE ON MATERIALS, MANUFACTURING AND MACHINING 2019

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