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A Study on the Characteristics for Durability with Biodiesel Fuel(BDF 5%) in a Commercial Common Rail Diesel Engine  

Choi, Seung-Hun (Graduate School of Mechanical Engineering, Chonbuk National University)
Oh, Young-Taig (Department of Mechanical Engineering, Chonbuk National University, Automobile Hi-Technology Research Center, Engineering Research Institute)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.15, no.2, 2007 , pp. 22-27 More about this Journal
Abstract
Our environment is faced with serious problems related to the air pollution from automobiles in these days. In particular, the exhaust emissions of diesel engines are recognized as main causes of the air pollution. CRDI(common rail direct injection) diesel engine is widely used for the sake of minimization on exhaust emission. Because biodiesel fuel is a renewable and alternative fuel for diesel engine, its usability is expanded. In this study, a common rail diesel engine was run with 5% of biodiesel fuel(BDF 5%) more than 150 hours. Engine dynamometer testing was completed at regularly scheduled intervals to investigate the engine performance and exhaust emissions. The data of engine performance and exhaust emissions was sampled at 1 hour intervals for analysis. When a common rail diesel engine runs on BDF 5% for long time, power and energy consumption of the engine are similar to the case using diesel fuel. The smoke emission of BDF 5% was reduced in comparison with diesel fuel, that is, it was reduced approximately 15% at 4000rpm, and load of 90%. And, CO and $CO_2$ were reduced, too. On the other hand, NOx emission of biodiesel fuel was slightly increased about 2%, but it was almost same as a commercial diesel fuel.
Keywords
Common rail diesel engine; Biodiesel fuel; Durability; Smoke; Exhaust emissions;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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