声明
摘要
ABSTRACT
TABLE OF CONTENTS
ABBREVIATIONS
NOTATIONS
Chapter 1 INTRODUCTION
1．1 Background
1．2 Theoretical significance
1．3 Research Objectives
Chapter 2 REVIEW OF LNG CARRIER PROPULSION SYSTEM
2．1 Overview
2．2 Development of LNG carriers
2．3 Trends in LNG carrier propulsion systems
2．4 Propulsion selection considerations
2．4．1 Operating efficiency
2．4．2 Environmental Concern
2．4．3 Safety
2．4．4 Reliability and redundancy
2．4．5 Maintainability
2．4．6 Flexibility
2．4．7 Crewability
2．4．8 Reduced Engine room dimensions
2．5 Propulsion alternatives
2．5．1 Dual Fuel Medium Speed (4-stroke) Diesel Engine (DFDE)
2．5．2 Slow Speed (2-stroke) Diesel Engines
2．5．3 Gas turbines in combined cycle
2．6 Engine matching and selection
2．6．1 Margins
2．6．2 Engine Selection process
Chapter 3 LNG PROPULSION PLANT DESIGN AND SELECTION
3．1 Introduction
3．2 Estimation of ship Particulars
3．2．1 Average Ship Particulars as a Function of Ship Size
3．2．2 Average hull design factor，Fdes
3．2．3 Average design ship speed
3．2．4 The 147，210 m3 LNG carrier
3．3 Propeller Design
3．3．1 Estimation of Total Resistance
3．3．2 Hull form coefficients
3．3．3 Bulb Parameters
3．3．4 Preliminary Design Stage
3．3．5 Final Design stage
3．4 Main Engine Matching and selection
3．4．1 Margins
3．5 Economic and Qualitative Evaluation
3．5．1 Comparative LCC
3．5．2 Analysis procedure
3．5．3 Components of annual operating cost，OPEXP
Chapter 4 SHAFTING DESIGN ANDVIBRATION ANALYSIS
4．1 Introduction
4．2 Design ofthe Propeller shafting system
4．2．1 Shaft Materials
4．2．2 Propeller and intermediate shaft design
4．2．3 Bending Moments calculation
4．2．4 Induced Stress calculation
4．3 Vibration Analysis
4．3．1 2-Stroke engine vibration features and remedies
4．3．2 External unbalanced moments
4．3．3 Guide force moments
4．3．4 Axial vibrations
4．3．5 Torsional vibrations
Chapter 5 CONCLUSION AND FUTURE WORK
5．1 LNG carrier propulsion Design
5．2 Features of the propulsion systems for LNG carriers
5．3 Dual Fuel Engines
REFERENCES
APPENDICES
ACKNOWLEDGEMENTS
