Internal Combustion (IC) Engine Basics Dr. Md. Zahurul Haq Professor Department of Mechanical Engineering Bangladesh University of Engineering & Technology (BUET) Dhaka-1000, Bangladesh [email protected]http://teacher.buet.ac.bd/zahurul/ ME 401: Internal Combustion Engines c Dr. Md. Zahurul Haq (BUET) Internal Combustion (IC) Engine Basics ME 401 (2016) 1 / 16 IC Engine Classifications T533 c Dr. Md. Zahurul Haq (BUET) Internal Combustion (IC) Engine Basics ME 401 (2016) 2 / 16 T555 c Dr. Md. Zahurul Haq (BUET) Internal Combustion (IC) Engine Basics ME 401 (2016) 3 / 16 Spark or Compression Ignition Engines (SIE vs CIE) T503 Spark initiates the flame in SIE; high compression in CIE generates high temperature for ignition in CIE. Part-load efficiency of CIE is better as load is regulated by fuel injection adjustment; in SIE throttling is used to reduce load which increases pumping work. SIEs are high speed engines with higher temperature exhaust. c Dr. Md. Zahurul Haq (BUET) Internal Combustion (IC) Engine Basics ME 401 (2016) 4 / 16
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Internal Combustion (IC) Engine Basics
Dr. Md. Zahurul Haq
ProfessorDepartment of Mechanical Engineering
Bangladesh University of Engineering & Technology (BUET)