Research Article

Fault Detection of Inline Reciprocating Diesel Engine: A Mass and Gas-Torque Approach

Table 1

Engine basic data.

Engine typeInline, four stroke, DI
Number of cylinder6
Direction of rotationAnticlockwise
Firing order1-5-3-6-2-4
Power output at 1500 rpm309 H.P
Cylinder diameter118 mm
Piston stroke135 mm
Compression ratio15.5

Engine mass-elastic system

MassInertiaStiffness
Kg m2MN m/rad

Pulley0.0940.391
Cyl.10.0751.952
Cyl.20.0751.952
Cyl.30.0751.952
Cyl.40.0751.952
Cyl.50.0751.952
Cyl.50.0751.952
Cyl.60.0753.52
Flywheel1.97