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| GEM2012 | Fluid mechanics | 4+0+0 | ECTS:4 | | Year / Semester | Spring Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of NAVAL ARCHITECTURE and MARINE ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | | | Contact Hours | 14 weeks - 4 hours of lectures per week | | Lecturer | Doç. Dr. Erhan AKSU | | Co-Lecturer | Associate. Prof. Dr. Betül SARAÇ | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | To present the concept of a fluid, flow patterns, pressure, and shear stress in fluid flow. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | use SI unit system. | 1 - 4 | 1 | | LO - 2 : | know the properties of fluid and explain the distinction between Newtonian and non-Newtonian behavior. | 1 - 4 | 1 | | LO - 3 : | calculate the hydrostatic pressure distribution and the force on plane and curved surfaces. | 1 - 4 | 1 | | LO - 4 : | derive appropriate forms of integral mass and momentum balance equations and to apply them to the various flow situations. | 1 - 4 | 1 | | LO - 5 : | derive appropriate forms of differential mass and momentum balance equations and to apply them to the various flow situations. | 1 - 4 | 1 | | LO - 6 : | define vorticity, stream function and irrotationality. | 1 - 4 | 1 | | LO - 7 : | use the principles of dimensional analysis and similarity. | 1 - 4 | 1 | | LO - 8 : | calculate flow characteristics and pressure drop for the internal flows. | 1 - 4 | 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 | | |
| Hydrostatics. Integral formulations of basic laws (conservation of mass, momentum and energy) . Differential formulations of basic laws. Potential flows. Dimensional analysis and similarity. Methods of pressure and velocity measurement. Flow in ducts. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Introduction; the concept of a fluid, dimensions and units, properties of the velocity field, thermodynamic properties of a fluid, viscosity | | | Week 2 | Introduction; The Reynolds number, flow between plates, surface tension, vapor pressure and cavitation, sample problems | | | Week 3 | Pressure distribution in a fluid; pressure and pressure gradient, hydrostatic pressure distributions, application to manometry. | | | Week 4 | Pressure distribution in a fluid; hydrostatic forces on plane surfaces, hydrostatic forces on curved surfaces, hydrostatic forces in layered fluids. | | | Week 5 | Pressure distribution in a fluid; floating and stability, pressure distribution in rigid-body motion, pressure measurement, sample problems | | | Week 6 | Integral relations for a control volume; basic laws, the Reynolds transport theorem | | | Week 7 | Integral relations for a control volume; conservation of mass, the linear momentum and energy equations, Bernoulli equations, sample problems | | | Week 8 | Mid-term exam | | | Week 9 | Differential equations of fluid flow; the acceleration field of a fluid, the differential equation of mass conservation, the differential equation of linear momentum | | | Week 10 | Differential equations of fluid flow; the stream function, vorticity and irrotationality, frictionless irrotational flows | | | Week 11 | Differential equations of fluid flow; some illustrative incompressible viscous flows, sample problems | | | Week 12 | Dimensional analysis and similarity; the principle of dimensional homogeneity, The Pi theorem, nondimensionalization of the basic equations | | | Week 13 | 2.Mid-term exam
Dimensional analysis and similarity; similarity, sample problems | | | Week 14 | Viscous flows in ducts; Reynolds-number regimes, internal and external viscous flows, turbulent flows | | | Week 15 | Viscous flows in ducts; flow in pipes, minor losses in pipe systems, fluid meters, sample problems | | | Week 16 | End-of-term exam | | | |
| 1 | White, F. M. 1999; Akışkanlar Mekaniği, Literatür, İstanbul. | | | 2 | Çengel, Y. A., and Cimbala, J. M. 2007, Akışkanlar Mekaniği: Temelleri ve Uygulamaları, Güven Bilimsel, İzmir. | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | 18.04.2025 | 1,5 | 50 | | End-of-term exam | 16 | 12.06.2025 | 1,5 | 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 | 2 | 14 | 28 | | Arasınav için hazırlık | 3 | 5 | 15 | | Arasınav | 1.5 | 1 | 1.5 | | Dönem sonu sınavı için hazırlık | 3 | 6 | 18 | | Dönem sonu sınavı | 1.5 | 1 | 1.5 | | Total work load | | | 120 |
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