Soot Formation of Petroleum and Renewable Fuels from Counterflow Diffusion Flames

  • 謝 翔竣

Student thesis: Doctoral Thesis


Combustion emission systems nowadays such as aircraft engines and diesel engines depend diffusion flames to achieve their efficient operation In order to reduce the soot emission from these systems it is necessary to have the understanding of physical and chemical pathways from fuel compositions to soot in laminar diffusion flames The purpose of this research is using counterflow diffusion flames to study the soot formation from homemade Hydro-processed Renewable Jet (HRJ) and Hydro-processed Renewable Diesel (HRD) and obtains the soot volume fraction (SVF) from the fuels to compare with conventional aviation fuel and diesel ASTM D1322 the standard smoke point test method was used to verify the results of the soot formation trend The reverse trend of the smoke point test further confirmed the soot formation tendency From the soot formation of aviation fuel it could be seen that JP-5 > Jet A-1 > HRJ; while the soot formation of diesel was conventional diesel > HRD > biodiesel Then we compared the influence of fuel composition difference on soot formation and found that the aromatic content in the fuel was consistent with soot formation confirming that this substance had a significant influence on soot formation
Date of Award2020
Original languageEnglish
SupervisorWei-Cheng Wang (Supervisor)

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