Description

Theory/Practice
1

Laboratory
3

Instructors

Ana Raposo João

Contents

PC1. General notions: heat engines, principles of operation and main characteristic parameters of an MCI.
PC2. Theoretical cycles of gasoline (Otto), diesel and Atkinson engines: thermodynamic analysis and definition of performance results: yield, useful power, theoretical average torque, theoretical average pressure, specific consumption; analysis of the influence of characteristic parameters on performance.
PC3. Indicated and actual cycles and engine tests; supercharging; distribution diagram; performance curves.
PC4. Kinematics and dynamics of the engines: calculation of displacements, speeds and accelerations, forces, and instantaneous average torque.
PC5. Theoretical cycle of the 2-stroke engine
PC7. Injection in Diesel Engines
PC8. Combustion elements
PC9. Calculation of resistance to motion
PC10. Mapping of four-stroke single-cylinder engines with electronic injection: theoretical aspects and practical tests

Learning Outcomes

P1: to acquire technical knowledge on the operation of internal combustion engines such as Otto, Diesel, Atkinson and two-cycle cycles, based on concepts of thermodynamics, and distinguish them properly.
P2: Analyze the operational parameters involved in the energy processes of internal combustion engines operating with Otto, Diesel, Atkinson cycles and demonstrate their influence on performance characteristics.
P3: Identify reasons for the differences between performance characteristics of theoretical, indicated and real cycles and the tests involved to characterize actual performance curves.
P4: Apply concepts of kinematics and dynamics involved in the operation of internal combustion engines such as Otto, Diesel and Atkinson cycles, in order to relate the operation of the engines with the torque and forces developed throughout the cycle.
P5: Know the different injection systems for gasoline and diesel engines, and implication in the engine operating regime.
P6: Distinguish the relationship between combustion conditions and engine performance
P7: Understand the meaning of elasticity of an engine.
P8: Relate injection factors to engine performance.