Trans RINA, Vol 153, Part A1, Intl J Maritime Eng, Jan-Mar 2011


0 1 2 3 4 5 6


0 0.2


100 120 140 160


HS-2s-225mm HS-2s-170mm HS-2s-160mm FS-2s-160mm FS-2s-200mm


0.4 0.6 0.8 Advance coefficient Figure 21: Amplitude of torque on the propeller in waves 1 1.2


20 40 60 80


0 0 0.2 Advance coefficint 0.4 0.6 0.8 1 Figure 24: Amplitude of thrust on the propeller in waves


10 12


0.1 0.2 0.3 0.4 0.5 0.6


0 0 0.2 0.4 Advance coefficient 0.6 0.8 1 1.2


Figure 22: Amplitude of horizontal component of the moments on the propeller in waves


HS-2s-225mm HS-2s-170mm HS-2s-160mm FS-2s-160mm FS-2s-200mm


0 2 4 6 8


0


HS-2s-225mm HS-2s-170mm HS-2s-160mm FS-2s-160mm HS-2s-200mm


HS-2s-225mm HS-2s-170mm HS-2s-160mm FS-2s-160mm FS-2s-200mm


0.2


0.4 0.6 0.8 Advance coefficient


1


1.2


Figure 25: Amplitude of horizontal components of force on the propeller in waves


10 12 14


2.5


1.5 2


0.5 1


0 0 0.2 0.4 0.6 Advance coefficient


Figure 23: Amplitude of vertical component moment on the propeller in waves


of the


4. MAXIMUM DESIGN LOADS FOR THE MECHANICAL COMPONENT


The same approach used in reference [2] is implemented


to show the importance of the hydrodynamic lateral force and bending moment for the design of shaft bearings.


0.8 1


HS-2s-225mm HS-2s-170mm HS-2s-160mm FS-2s-160mm FS-2s-200mm


0 2 4 6 8


0 0.2 0.4 0.6 0.8 Advance coefficient


Figure 26: Amplitude of vertical component of the force on the propeller in waves


1 1.2


HS-2s-225mm HS-2s-170mm HS-2s-160mm FS-2s-160mm FS-2s-200mm


A-18


©2011: The Royal Institution of Naval Architects


Kmz max /(AW/RP)


Kmy max/(AW/RP)


Kqmax /(AW/RP)


Kfz max/(AW/RP)


Kfy max /(AW/RP)


KTMAX /(AW/RP)


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