İsmail ALTIN, PhDAssistant Professor

Karadeniz Technical University Faculty of Marine Sciences 

Department of Naval Architecture and Marine Engineering

TURKEY 

KARADENİZ TECHNICAL UNIVERSITY

Personal web page: www.ismailaltin.info

Working of Internal Combustion Engines

1. Introduction to internal combustion engines (ICEs)

2. Main engine components

3. Working of four-stroke engines

4. Working of two-stroke engines

5. Working of Wankel engines

6. Indicating diagrams

7. Animations of ICEs

Contents

1. Introduction to internal combustion engines

The internal combustion engine

(ICE) is a heat engine that converts

chemical energy stored in a fuel

into mechanical energy, usually

made available on a rotating output

shaft.

1. Introduction to internal combustion engines…

1. Introduction to internal combustion engines…

1. Introduction to internal combustion engines…

The cylinder volume at any crank position

Instantanenous piston speed

Mean piston speed

2. Main engine componentsEngine block

2. Main engine components…Cylinder head

2. Main engine components…Injector

2. Main engine components…Cylinder

2. Main engine components…Piston

2. Main engine components…Connecting rod

2. Main engine components…Crosshead

2. Main engine components…Crankshaft

flywheel

2. Main engine components…Flywheel

2. Main engine components…Camshaft

2. Main engine components…Valvetrain

2. Main engine components…Valvetrain-valve

2. Main engine components…Valvetrain…

2. Main engine components…Valvetrain…

2. Main engine components…Valvetrain…

2. Main engine components…Turbocharger

exhaustintake

3. Working of four-stroke engines

2-stroke

ReedValve

intake

4. Working of two-stroke engines

intakeexhaust

+: No valves needed Continuous motion less vibration

-: Leaks through seals low compression ratio pollution (high levels of HC and CO)

5. Working of Wankel engines

6. Indicating diagrams

6. Indicating diagrams…