Research Article

Propeller Excitation of Longitudinal Vibration Characteristics of Marine Propulsion Shafting System

Table 3

Parameters of propulsion shafting system.

ParameterSymbolValue

Density (kg/m3) 7850
Young’s modulus (GPa) 2.0
Propeller (includes entrained water) mass (kg) 7150
Flexible coupling mass (kg) 1300
Thrust collar mass (kg) 445
Thrust bearing mass (kg) 4435
Thrust bearing resultant stiffness (MN/m) 1100