ABBREVIATIONS
BDC: Bottom-Dead Centre
CBM: Condition Based Maintenance
CM: Condition Monitoring
DAQ: Data Acquisition
DI: Direct Injection
ECM: Engine Condition Monitoring
HSDI: High Speed Direct Injection
IJE: Fuel Injection End
IJS: Fuel Injection Start
IVC: Inlet Valve Closing
IVO: Inlet Valve Opening
OHV: Overhead Valve
PCI: Piston-Cylinder Interface
PR: Pushrod
TDC: Top-Dead Centre
XVO: Exhaust Valve Opening
XVC: Exhaust Valve Closing
Cd: Discharge coefficient
mf : Actual fuel flow
mth: Theoretical fuel flow
A0: Area of nozzle outlet
ρf: Fuel density
Pinj: Injection pressure