The problem of possible pitting and cavitation in internal combustion engines is receiving considerable attention. Both theoretical and simulation simulation studies are carried out in order to understand the noise and vibration sources, using a force equation.For this work, the main aim is to actually study these vibrations and try to model it. A foundation is also laid to study cavitation and find possible ways of increasing the life of the engine components.A model to calculate pressure variation in the system is carried out using Modeling software, with the help of Finite Element Analysis…
Contents
1 Notation
1.1 List of Symbols
1.2 Abbreviations
2 Introduction
2.1 Background
2.2 Aim and Scope
2.3 Method
3 Cavitation and Sources of Cavitation
3.1 Growth of bubble
3.2 Features of Cavitation
3.3 Occurrence of Cavitation
3.4 Stages and Types of Cavitation
3.4.1 Hydrodynamic Cavitation
3.4.2 Acoustic Cavitation
3.4.3 Vibratory Cavitation
3.4.4 Optic Cavitation
3.4.5 Particle Cavitation
4 Internal Combustion Engines
4.1 Operation of IC diesel Engine
4.2 Engine Cooling
4.3 Piston Forces
4.3.1 Assumptions
4.3.2 Primary Motion and Inertia Forces of Machine Components
4.3.3 Side thrust action on piston
5 Modelling and Simulation
5.1 Geometry modelling
5.2 Finite Element Analysis
5.2.1 Steady State Analysis
5.2.2 Output
5.2.3 Results interpretation
5.2.4 Harmonic Analysis with Fluid-Structure Interaction
5.2.5 Thermal Analysis
5.2.6 Acoustic Analysis
5.2.7 Output
6 Discussion and Conclusions
6.1 Towards the future
7 References
Appendix
Author: Anthony Deku, Subramanya Kompella
Source: Blekinge Institute of Technology
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