• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 57 Issue 4
Jul.  2022
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Article Contents
GAO Zhanbin, WANG Binbin, GAO Jingbo, LI Shuirong, ZHENG Zhifeng. Emission Characteristics of Successively Supercharged Diesel Engine Blended with Biodiesel[J]. Journal of Southwest Jiaotong University, 2022, 57(4): 791-796. doi: 10.3969/j.issn.0258-2724.20200544
Citation: GAO Zhanbin, WANG Binbin, GAO Jingbo, LI Shuirong, ZHENG Zhifeng. Emission Characteristics of Successively Supercharged Diesel Engine Blended with Biodiesel[J]. Journal of Southwest Jiaotong University, 2022, 57(4): 791-796. doi: 10.3969/j.issn.0258-2724.20200544

Emission Characteristics of Successively Supercharged Diesel Engine Blended with Biodiesel

doi: 10.3969/j.issn.0258-2724.20200544
  • Received Date: 28 Aug 2020
  • Rev Recd Date: 04 Jan 2021
  • Publish Date: 06 Jan 2021
  • To promote the application of biomass energy and reduce the country's dependence on fossil energy, a marine turbocharged diesel engine was transformed into a sequential turbocharged system diesel engine, and the combustion test of mixed biodiesel was carried out. When the propulsion characteristic is 25% load, biodiesel is set at 5% − 25% in total. Through experiments, the effects of different proportion of Biodiesel on the power, economy and emission of diesel were studied. The results show that at 25% load, compared with pure diesel combustion, the power performance of Sequential Turbocharged Diesel engine is reduced by about 6.5%, the fuel consumption rate is increased by about 9.2%, the NOx emission is reduced by about 9.8%, and the soot emission is reduced by about 76.7%. When the sequential supercharged diesel engine is mixed with biodiesel for combustion, its power performance and emission are better than the original engine. Through the optimization analysis of grey decision theory, the comprehensive optimization shows that the optimal blending rate of biodiesel is 25% at 25% load. With the increase of biodiesel ratio, its power and economy decline rapidly and NOx emission increases, so the blending rate should not be too high. The transformation into a sequential turbocharged marine diesel engine makes up for the shortcomings brought by the combustion of mixed biodiesel to a certain extent.

     

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