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| GEM 309 | Ship Resistance | 3+0+0 | ECTS:6 | | Year / Semester | Fall Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | NAVAL ARCHITECTURE and MARINE ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | Face to face | | Contact Hours | 14 weeks - 3 hours of lectures per week | | Lecturer | -- | | Co-Lecturer | None | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | The purpose of this course is to provide the student with a clear presentation of the theory and application of the principles of ship resistance and to develop students? ability to analyze problems based on the understanding of its basic concepts. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | describe the components of ship resistance | 1,2,5 | 1 | | LO - 2 : | describe the relation ship between model and ship | 1,2,5 | 1 | | LO - 3 : | apply the statiscical and analitical resistance calculation methods | 1,5 | 1 | | LO - 4 : | explain the resistance at shallow water | 2,5 | 1 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Dimensional Analysis, Components of Ship Resistance, Frictional resistance, Wave resistance, Residual resistance, Air Resistance, Finding ship resistance (Froude, Telfer, ITTC methods etc ) , Statistical methods |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Introduction, overview of resistance problems and approaches | | | Week 2 | Types of resistance, flow and component of resistance about a submerged body and surface ships | | | Week 3 | Model tests, similarity laws (geometrical, kinematical and dynamical) | | | Week 4 | Dimensional analysis and application to ship resistance problems | | | Week 5 | Components of ship resistance, 2D frictional resistance, turbulence simulation, roughness and 3D viscous resistance formulations | | | Week 6 | Theoretical calculation of wavemaking resistance of surface ships, effect of bulbous bows | | | Week 7 | Other components of resistance (eddy separation, air, wind, appendage resistance), | | | Week 8 | Resistance at restricted and shallow water | | | Week 9 | Mid-term exam | | | Week 10 | Modeling marine system | | | Week 11 | Model experiments (Froudes, Telferis,Prishanka?s, ITTC 1857, ITTC 1978 Method) | | | Week 12 | Interaction between ship and propeller | | | Week 13 | Powering of ships, estimating the horsepower | | | Week 14 | Some of the methods used for power estimation | | | Week 15 | Some of the methods used for power estimation | | | Week 16 | End-of-term exam | | | |
| 1 | Baykal, Reşat, A. Cemil Dikili, 2002,Gemilerin direnci ve makina gücü, İ.T.Ü. İnşaat Fakültesi
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| 1 | Kempf, G., 1963, Gemi direncinin artışı, İTÜ yayınları | | | 2 | Sv. Aa. Harvald, 1992, Resistance and Propulsion of Ships, Krieger Pub Co | | | 3 | William Froude, 2009,The Resistance of Ships,General Books LLC | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | 11-NOV-12 | 3 | 50 | | End-of-term exam | 16 | 13-JAN-12 | 3 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 4 | 14 | 56 | | Sınıf dışı çalışma | 5 | 8 | 40 | | Arasınav için hazırlık | 4 | 5 | 20 | | Arasınav | 3 | 1 | 3 | | Kısa sınav | 2 | 1 | 2 | | Dönem sonu sınavı için hazırlık | 8 | 4 | 32 | | Dönem sonu sınavı | 3 | 1 | 3 | | Total work load | | | 156 |
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