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Diesel Engine Part 1

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THE MARINE DIESEL ENGINE
M 200

  • Classification by speed, type & cycle
  • Different piston formats
  • The crosshead & trunk piston engines
  • Engine comparisons
  • Cylinders, bore and stroke
  • Nomenclature & numbering
  • Engine rotation
  • Engine builders, Engine configurations

IMPORTANT DEFINITIONS
M 201

  • Combustion process, Triangle of fire
  • Exothermic & endothermic process
  • Top & bottom dead centre
  • Cylinder bore, Engine stroke
  • Swept, clearance & total volumes
  • Compression ratio, Engine capacity
  • Crank angle, Engine rotation

THE CROSSHEAD ENGINE
M 202

  • Main components, Typical uses
  • Terminology, Top platform
  • Middle platform, Bottom platform
  • Cylinder head layout
  • End and side sections
  • Animated models of:
  • The 1, 2, 3, 4 & 6 cylinder engines
  • Engine firing order

OPPOSED PISTON ENGINES
M 203

  • Historical interest
  • Engine development
  • Opposed piston engine types
  • Crosshead slow speed type
  • Builders, Format, Components
  • Engine uses, IDC and ODC
  • Animated models of:
  • The 1, 2, 3 and 4 cylinder engines
  • Deltic medium speed type
  • Engine arrangement, Fork and blade
  • Timing, Power strokes
  • Animation of engine unit

THE TRUNK PISTON ENGINE
M 204

  • Main components, Typical uses
  • Terminology, Platforms
  • Cylinder head layout
  • End and side sections
  • Animated models of:
  • The 1, 2, 3, 4 & 8 cylinder engine
  • Engine firing order

THE V-TYPE ENGINE
M 205

  • Example engines, Format
  • Cylinder angle, Components, Block
  • End and side sections
  • Engine firing order
  • Design factors, Fork and blade
  • Animated models of
  • Conventional bottom end engine
  • Side-by-side bottom end engine

CRANKSHAFT DEFLECTIONS
M 210

  • Theory + practice taking deflections
  • Location of dial gauge
  • Example engine locations
  • Procedure animation
  • Sign conventions, Example plots
  • Deflection limits, Engine examples
  • Causes of excessive deflections
  • Reciprocating masses, Hog + sag
  • Worn bearing, Low / high bearing
  • Holding down bolts, Other causes
  • Precautions and safety

CRANKSHAFT DEFLECTIONS (APPLICATION)
M 211

  • A crankshaft deflection analysis application program, where actual (or fictitious) engine deflection data can be entered, scanned and plotted
  • Entry of engine data and records
  • Setting deflection limits
  • Scanning data
  • 2D+3D vertical deflection plots
  • 2D+3D horizontal deflection plots

CRANKCASE EXPLOSIONS
M 218

  • Fire, Explosions, Prevention
  • Lower flammability limit
  • Upper flammability limit
  • Stages, Hot spots, Causes
  • Safety procedures
  • Safeguards, Explosion doors
  • BICERA, Regulations, Flame trap
  • Example explosion doors