A Technical Report. - Universiti Teknologi Malaysia, 2006. 167 p.Content
Introduction
Objective
Project Background
Project Methodology
Duration
Market Analysis
Business Analysis
Technology Overviews and Challeng
Historical Background of Two-stroke Engines
The Fundamental Method of Operation of a Simple Two-stroke Engine
Problem Background
The Future of Two-Stroke Engines
Future Applications of Two-stroke Engines
The Engine Concept and its Design
Introduction
The Physical Concept
The Engine Design
Critical Components
Stepped-Piston
Connecting Rod and Crankshaft
Piston Pin
Cylinder Head
Cylinder Liner
Cylinder Block
Materials
Aluminum Alloy LM25
Cast Iron
Cast Carbon Steel
Engine Auxiliary Systems
Breathing System
Problem Statement
Objective
Scope of Study
Stepped Piston Breather Schematic diagram
Rationale of the Proposed Design
Breather System connector
Modelling
Model Meshing
Fluent TM Solution
Results of Fluent TM Simulation
Experimental Method for Efficiency
Determination
Experimental Results
Breather System for the Stepped
Piston Engine
Capacitive Discharge Ignition
Add-on Module
Electronic Fuel Injector Controller
Introduction
Hardware Design and Development
Main Microcontroller Board Design and Development
Speed Microcontroller Design and Development
A/D Converter Design and Development
Injector Driver Design and Development
Program Development
Main Program
Counting Speed
PWM Output
Injector Control Testing
Conclusions
Direct Fuel Injection System
Introduction
System Description
GDI Conceptual Design
The Nozzle
The Swirler
The Needle
The Body and the Lock
Prototype Fabrication and Assembly
Leak Test
Prototype Development
Needle
Solenoid
Injector Drive Circuit Upgrade
Swirler
Nozzle
Final Design
Special Features
Specification Test
Spay Performance
Basic Operation
Auxiliary Component of the GDI System
Axial-type High Pressure Pump
Fuel Accumulator
Engine Speed Sensor
Crank Angle Sensor
MAP Sensor
TDC Sensor
Pressure Relief Valve
Conclusions and Recommendations
Conclusions
Recommendations
Reference
