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Experimental Methods in Marine Hydrodynamics
Abbreviation: EMUBHLoad: 30(L) + 0(E) + 0(LE) + 0(CE) + 0(PEE) + 0(FE) + 15(S) + 0(DE) + 0(P) + 0(FLE) + 0()
Lecturers in charge: prof. dr. sc. Nastia Degiuli
Lecturers: Andrea Farkas mag. ing. nav. arch. ( Seminar )
Ivana Martić mag. ing. nav. arch. ( Seminar )
Course description: Course objectives:
Understanding the basic principles of experimental methods in marine hydrodynamics, acquire knowledge of measuring instruments and measurements techniques in marine hydrodynamics and acquire knowledge of the analysis of experimental data.

Enrolment requirements and required entry competences for the course:
No prerequisites.

Student responsibilities:
Attending the lectures and excercises and complete project assignment.

Grading and evaluation of student work over the course of instruction and at a final exam:
Project assignment, oral exam.

Methods of monitoring quality that ensure acquisition of exit competences:
Attending lectures and excercises, accomplishing project, oral exam.

Upon successful completion of the course, students will be able to (learning outcomes):
Analyze different measurement techniques in marine hydrodynamics. Analyze the measurement equipment commonly used in experimental marine hydrodynamics. Investigate the importance of experimental testing in marine hydrodynamics. Investigate different hydrodynamic phenomena during experimental testing. Identify physical quantities that have a dominant influence on the phenomenon being investigated. Analyze the test results and evaluate the measurement uncertainty during the test. Critically evaluate the results of experimental testing (measurements).

Lectures
1. Introduction. Basic principles of measurement techniques. General measurement system. Design of experiments.
2. Calibration. Standards. Presentation of measured data.
3. Signal analysis. Amplitude of signal and frequency. Fourier transformation and frequency spectrum.
4. Reliability analysis. Measuring errors. Causes of errors. Random error and measurement uncertainty.
5. Basic equations of fluid dynamics. Viscous flow and turbulence. Physical laws of fluid mechanics and their application to measurement techniques.
6. Towing tank for marine hydrodynamic testing. Cavitation tunnel. Modeling criteria. Similarity laws and modeling of physical phenomena. Basic measuring instruments. Free surface and deeply submerged models.
7. Pressure measurement. Velocity measurement principles using differential pressure gauge. Velocity measurement. PrandtlPitot tube. Venturi tube.
8. Basic principles of laser velocity measurement. Laser Doppler Velocimetry. Systems for measuring multiple velocity components. Collection and processing of data.
9. Measurement of force and torque. Dynamometer and propeller dynamometer for measuring the resistance, thrust and torque. Measurement of environmental conditions during testing. Measurement of temperature, density and viscosity.
10. Ballasting of model. Determination of the position of the center of gravity and mass moment of inertia. Measurement of draft, trim and heel angle.
11. Flow visualization methods. Aerodynamic flow visualization. Hydrodynamic flow visualization.
12. Wave generator. Generating regular and irregular waves based on the wave energy spectrum. Measurement of wave elevation by wave probes.
13. Measurements of shear stresses. Towing tests of flat plate. Resistance test in calm water. Resistance test in waves. Measurement of all six degrees of freedom. Added resistance in waves.
14. Open water test. Selfpropulsion test. Tests with propeller in the cavitation tunnel.
15. Measurements in full scale. Sea trial measurements. Measured mile.

Exercises
1. Understanding the content, solving and defending project assignment.
2. Research, experimental work and accomplishing project assignment.
3. Research, experimental work and accomplishing project assignment.
4. Research, experimental work and accomplishing project assignment.
5. Research, experimental work and accomplishing project assignment.
6. Research, experimental work and accomplishing project assignment.
7. Research, experimental work and accomplishing project assignment.
8. Research, experimental work and accomplishing project assignment.
9. Research, experimental work and accomplishing project assignment.
10. Research, experimental work and accomplishing project assignment.
11. Research, experimental work and accomplishing project assignment.
12. Research, experimental work and accomplishing project assignment.
13. Research, experimental work and accomplishing project assignment.
14. Research, experimental work and accomplishing project assignment.
15. Research, experimental work and accomplishing project assignment.
Lecture languages: hr
Compulsory literature:
1. Tropea, C., Foss, J., Yarin, A., Springer handbook of experimental fluid mechanics, Springer, 2007.
2. Figliola, R.S., Beasley, D.E., Theory and Design for Mechanical Measurements, Wiley, 2000.
3. Bertram, V., Practical Ship Hydrodynamics, Buterworth Heinemann, 2000.
Recommended literature:
4. Goldstein, R. J., ed., Fluid Mechanics Measurements, Hemisphere, 1983.
5. Bradshow, P.B.A., Experimental Fluid Mechanics, Pergamon Press, 1970.
Legend
L - Lectures
FLE - Practical foreign language exercises
-
E - Exercises
LE - Laboratory exercises
CE - Project laboratory
PEE - Physical education excercises
FE - Field exercises
S - Seminar
DE - Design exercises
P - Practicum
* - Not graded
Copyright (c) 2006. Ministarstva znanosti, obrazovanja i športa. Sva prava zadržana.
Programska podrška (c) 2006. Fakultet elektrotehnike i računarstva.
Oblikovanje(c) 2006. Listopad Web Studio.
Posljednja izmjena 2019-06-07