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首页> 外文期刊>International journal of green energy >Comparison of jatropha and karanja biofuels on their combustion characteristics
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Comparison of jatropha and karanja biofuels on their combustion characteristics

机译：麻风树和魔芋生物燃料的燃烧特性比较

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Biofuel blends produced from Jatropha (Jatropha curcas) and Karanja (Pongamia pinnata) oil were evaluated for their combustion properties. Two kinds of blends (regular diesel with Jatropha and Karanja oil) were prepared at 20% volume to the diesel and tested as alternative fuels in single cylinder (vertical), water-cooled, direct injection diesel engine at the rated speed of 1500rpm. The performance of the engine in terms of thermal efficiency at full load for diesel was 30%. For Jatropha and Karanja biodiesel blends, the thermal efficiencies were 29.0% and 28.6%, respectively. The maximum cylinder pressure and ignition delay for biodiesel fuel blends are very close to that of regular diesel. Prolonged combustion was observed for Karanja oil blend in comparison to Jatropha oil blend. The combustion pattern also reveals the slow burning characteristics of vegetable oils and this study indicates that the blended biofuels have combustion characteristics that are similar to regular diesel fuels.
机译：对从麻风树麻疯树（Jatropha curcas）和Karanja油麻（Pongamia pinnata）油中生产的生物燃料混合物的燃烧性能进行了评估。制备了两种混合气（含麻风树的普通柴油和Karanja油），占混合气的20％，并作为替代燃料在额定转速1500rpm的单缸（立式）水冷直喷柴油机中进行了测试。就柴油机满载时的热效率而言，发动机的性能为30％。对于麻风树和Karanja生物柴油混合物，热效率分别为29.0％和28.6％。生物柴油燃料混合物的最大气缸压力和点火延迟非常接近常规柴油。与麻风树油混合物相比，Karanja油混合物的燃烧时间更长。燃烧模式还揭示了植物油的缓慢燃烧特性，这项研究表明，混合生物燃料具有与常规柴油相似的燃烧特性。

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