Internal combustion engines

ID: 0849
Course type: vocational and applied
Course coordinator: Popović J. Slobodan
Lecturers: Popović J. Slobodan
Contact: Popović J. Slobodan
Level of studies: B.Sc. (undergraduate) Academic Studies – Mechanical Engineering
ECTS: 6
Final exam type: written+oral
Department: Department of Internal Combustion Engines

Lectures

  • Semester 5, position 5

Goal

The aims of the course are to provide a comprehensive insight into the subject matter of Internal Combustion Engines (theoretical operating cycle, real operating cycle, engine systems, engine operating characteristics). It is intended for students of the Internal Combustion Engines module as an in‐depth introduction into studies of specific areas of Internal Combustion Engines, as well as for students of modules which require knowledge of Internal Combustion Engines as a power unit (Motor vehicles, Naval Architecture, Railway Mechanical Engineering, and Material Handling, Constructions and Logistics).

Outcome

Acquired theoretical and practical knowledge of Internal Combustion Engines. The ability to link fundamental engineering branches of thermodynamics, fluid mechanics, mechanics, strength of materials etc. into a complex unit such as engine. The ability of competent approach to engine selection, organization of exploitation and maintenance. Acquisition of solid base for tackling specific problems, design and construction of Internal Combustion Engines.

Theoretical teaching

1. Introductory considerations. 2. Analysis of engine ideal thermodynamic cycles. 3. Engine real operating cycle: gas exchange process. 4. Combustion process in SI Engines. 5. Combustion process in CI Engines. 6. Engine working parameters 7. Engine supercharging. 8. Engine dynamic problems. 9. Engine operating characteristics. 10. Engine ecological problems.

Practical teaching

Auditory exercises: 1. Engine design and Engine slider mechanism characteristics 2. IC Engine working medium, fuel characteristics and combustion 3. Numerical examples in engine thermodynamic cycles. 4. Fuel supply systems for SI and CI Engines. 5. Numerical examples in IC Engine working parameters, engine charging and heat balance. 6. Numerical examples in IC Engine supercharging 7. and Numerical examples of IC Engine slider mechanism kinematics and dynamics. 8. Engine systems and devices: ignition system, starting system, cooling system – air‐cooled and liquid‐cooled engines, lubricating system. 9. Numerical examples in IC Engine operating characteristics 10. Fundamentals of engine testing and preparation of laboratory exercises for engine testing. Laboratory exercises: 1. Fuel supply systems for SI and CI Engines and engine electrical systems. 2. Testing of engine characteristics on the test bench.Аудиторне вежбе:

Attendance requirement

No prerequisites required.

Resources

1. M. Tomić & S. Popović: Lecture notes (handouts) - Basics of Internal Combustion Engines, available in e‐form in pdf on the site of the Chair of Internal Combustion Engines 2. IC Engine testing Laboratory (with an engine on the test bed) 3. Measuring‐acquisition system: National Instruments PXI‐1042‐RT8186/5401/6123/6229/4070 /6602/8461 4. National Instruments LabView

Assigned hours

Total assigned hours: 75

Active teaching (theoretical)

New material: 20
Elaboration and examples (recapitulation): 10

Active teaching (practical)

Auditory exercises: 9
Laboratory exercises: 10
Calculation tasks: 11
Seminar paper: 0
Project: 0
Consultations: 0
Discussion/workshop: 0
Research study work: 0

Knowledge test

Review and grading of calculation tasks: 5
Review and grading of lab reports: 2
Review and grading of seminar papers: 0
Review and grading of the project: 0
Test: 0
Test: 3
Final exam: 5

Knowledge test (100 points total)

Activity during lectures: 10
Test/test: 15
Laboratory practice: 15
Calculation tasks: 30
Seminar paper: 0
Project: 0
Final exam: 30
Requirement for taking the exam (required number of points): 30

Literature

M. Tomić, S. Petrović: Internal combustion engines, Uni. of Belgrade, Faculty of Mechanical Engineering, ISBN 978-86-7083-817-8 /in Serbian/, 2014; J. Heywood: Internal Combustion Engine Fundamentals, McGraw Hill, ISBN-13: 978-1260116106, 2018; C. R. Ferguson: Internal Combustion Engines: Applied Thermosciences, J.Wiley & Sons, ISBN-13: 978-1-118-53331-4, 2016; R. Stone: Introduction to IC Engines, SAE International, ISBN-13: 978-0768020847, 2017