4.3 Article

An investigation of the spray characteristics of diesel-DME blended fuel with variation of ambient pressure in a constant volume combustion chamber

Journal

JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
Volume 28, Issue 6, Pages 2363-2368

Publisher

KOREAN SOC MECHANICAL ENGINEERS
DOI: 10.1007/s12206-014-0528-1

Keywords

Spray characteristics; Diesel-DME blended fuel; Blended ratio; CVCC; Common rail system; DME; Diesel

Funding

  1. Ministry of Education (MOE)
  2. National Research Foundation of Korea (NRF)
  3. National Research Foundation of Korea (NRF) - Ministry of Education, Science and Technology [2012R1A1A1044855]
  4. Research for commercialization of DME vehicle of Korea Institute of Energy Technology Evaluation and Planning
  5. Top-Class Agency of School of Mechanical Engineering in University of Ulsan
  6. Energy Efficiency & Resources of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) - Korea government Ministry of Trade, Industry Energy (MOTIE) [20122020100270]
  7. Korea Evaluation Institute of Industrial Technology (KEIT) [20122020100270] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  8. National Research Foundation of Korea [2012R1A1A1044855] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We compared the spray characteristics of a typical fuel (100% diesel, DME) and diesel-DME blended fuel in a constant volume combustion chamber (CVCC). The typical fuel (100% diesel, DME) and diesel-DME blended fuel spray characteristics were investigated at various ambient pressures (pressurized nitrogen) and fuel injection pressures using a common rail fuel injection system when the fuel mixture ratio was varied. The fuel injection quantity and spray characteristics were measured including spray shape, penetration length, and spray angle.

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