last modified 27/05/2002

Coursecode: mt212
Coursename: Marine Engineering B

DUT creditpoints: 2
ECTS creditpoints: 3

Subfaculty of Design Engineering and Production
Lecturer(s): Klein Woud, prof. ir. J. Tel.: +31 15 278 1556
Catalog data:
Shafting dynamics, torsional and axial vibrations in (diesel engine) drive systems.Whirling vibrations. Shaft alignment. Flexible mounting of equipment. Vibration and noise isolation. Balancing of piston engines.		 Course year: 4
Period: 2/0/0/0
Hours p/w: 2
Other hours: -
Assessment: written
Assessm.period(s): 1, 2
(see academic calendar)
Prerequisites: mt215
Follow up:  
Detailed description of topics:
  • Torsional and axial vibrations:
    1. Modeling, equations of motion
    2. Natural frequencies and natural modes of vibration
    3. Free and forced vibration, damped vibration
    4. Diesel engines : modeling, excitation, inertia, crankshaft stiffness
    5. Damping
    6. Propellers
    7. Elastic couplings, geared and branched systems
    8. Torsional vibration dampers
    9. Procedures for torsional vibration analysis
  • Lateral vibrations:
    1. Modeling, equations of motion
    2. Natural frequencies and natural modes of vibration with and without gyroscopic effects, bearing
        stiffness, shafts with non-circular symmetric cross section
    3. Whirling vibrations in propeller shaft systems and diesel engines
  • Shaft alignment:
    1. Problem definition, influencing factors
    2. Desired alignment conditions
    3. Alignment procedures
  • Flexible mounting of equipment:
    1. Principles of flexible mounting
    2. Single mass-spring system with several degrees of freedom
    3. Design of a flexible mounting system
  • Balancing of piston engines:
    1. Rotating and vertical free forces
    2. Free forces and moments for multiple cylinders
    3. Balancing
Course material:
J.Klein Woud, "Marine Engineering B".
References from literature:
available in course material
Remarks (specific information about assessment, entry requirements, etc.):
Goals:   -
Computer use:   -
Laboratory project(s):   -
Design content:
shaft vibrations and alignment and flexible mounting systems
Percentage of design: 50 %