Use of Biodiesel in Diesel Engines

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Use of Biodiesel in Diesel Engines

• Jeffry N Curtis

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Four Stroke Cycle

• http//auto.howstuffworks.com/diesel.htm

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http//www.dfwbiodiesel.com/faq.html
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http//www.dfwbiodiesel.com/faq.html
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Biodiesel Emissions B20 Biodiesel Compared to
Petroleum Diesel

• Carbon Dioxide (CO2) -16.0
• Particulate Matter (PM) -18.0
• Unburned Hydrocarbons (HC) -11.0
• NOx (Oxides of Nitrogen) 1
• http//www.bcbiofleet.ca/introtobiodiesel.htm

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Tolerances and Pressures

• 2100 bar 30,000 psi
• Injection Pressures
• .002 mm 7.87401575 10-5 2 microns (?m)
• Needle Valve Clearance
• .06 mm 0.0025 60 microns (?m)
• Human Hair Diameter

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Spray Pattern
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EUI/HEUI Injection
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Common Rail Components
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Common Rail Injector
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HP Common Rail Injection
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Multiple Injection Events/Firing Stroke
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Exhaust Gas Treatment

• Oxidation Type Catalytic Converter w/Particulate
  Filter
• Selective Catalytic Reduction (SCR)
• Johnson Matthey Site

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Further Concerns/Discussion

• EGR
• The NOx Question
• Quality of Product Issues
• Are We Ready For It?

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Jeffry N. Curtis, InstructorDiesel Equipment
TechnologyBellingham Technical College

• jcurtis_at_btc.ctc.edu