
Merchant Ship Stability
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Merchant Ship Stability presents the theory and application of methods for maintaining ship stability. It serves as a textbook for deck officers and first year degree students. The book discusses the methods of Simpson's rules for measuring ship form, the principle of floatation, finding the position of the center of gravity, and the effect of the center of gravity of the vessel not being on the centerline, the effect of having liquids within the vessel which are free to move and the effect of suspending weights. Topics on the assessment of stability of large angles of heel, regulations about merchant vessel stability, and dry docking and grounding are provided as well. Deck officers and merchant marine students will find the book very useful.
Table of Contents
Preface
Chapter 1 Ship Form and Measurement
Objectives
Definitions
Relationships Between Dimensions
Measurement of Area
Examples
Moments of Areas and Volumes and Centroids
Application of Simpson's Rules
Questions on Simpson's Rules
Answers
Chapter 2 Flotation
Objectives
Pressure
Archimedes' Principle
Principle of Floatation
Displacement
Tonne Per Centimetre Immersion
Examples
Definitions
Load Lines
Questions on Hydrostatics
Answers
Questions on Load Line
Answers
Chapter 3 Determination of Position of Centre of Gravity
Objectives
Position of Centre of Gravity Relative to Keel and Centre Line
Shift of Weight
Adding or Removing a Single Weight
Questions on KG
Answers
Chapter 4 Conditions of Equilibrium
Objectives
Conditions of Equilibrium
Stable Equilibrium for a Ship
Neutral Equilibrium for a Ship
Unstable Equilibrium for a Ship
Assessment of Initial Stability
Transverse Metacentre of a Box Shaped Vessel
Examples
BM for a Ship Shape
Examples
Questions on GM
Answers
Chapter 5 List and Free Surface
Objectives
List
Examples
Effect of Suspending Weights
Questions on List
Answers
Free Surfaces
Effect of Longitudinal Subdivision
Effect of Transverse Subdivision
Examples
Questions on Free Surfaces
Answers
Calculation of Initial KG—The Inclining Test
Examples
Unresisted Rolling in Still Water
Questions on Inclining Test
Answers
Increase in Draft Due to Heel
References
Chapter 6 Stability at Large Angles of Heel
Objectives
Form of GZ Curves
Features of GZ Curve
Dynamical Stability
Stability Requirements Under Load Line Rules
Conditions of Equilibrium From GZ Curves
Effect of Form on GZ Curve
Effect of Shifting Weights Within the Vessel
Examples
Grain
Examples
Heel Due to Wind Loading
Examples
Chapter 7 Calculation of Righting Level and Assessment of Stability
Objectives
KN Curves
Examples
Questions
Answers
Wall-Sided Vessels
Angle of Loll
List When GM0=0
Examples
Questions on Wall-Sided Formula
Answers
Simplified Stability Information
Examples
Questions
Answers
Chapter 8 Longitudinal Stability—Trim
Objectives
Definition of Trim
Effect of Loading Or Discharging a Weight at the Centre of Flotation
Change of Trim
Distribution of Trim
Examples
Mean Draft
Examples
Change of Trim Due to Change in Density
Examples
Calculation of Trim when Handling Large Weights
Examples
Determination of Displacement (Draft Survey)
Examples
Questions on Trim
Answers
Chapter 9 Dry Docking and Grounding
Objectives
Dry Docking
Assessment of Reduction in KM
Assessment of Rise in Effective KG
Examples
Grounding
Examples
Questions on Dry Docking and Grounding
Answers
Chapter 10 Bilging
Objectives
Flooding and Stability
Permeability
Examples
Bilging of a Midships Side Compartment
Bilging of an End Compartment
Examples
Questions on Bilging
Answers
Chapter 11 Bending Moment, Shear Force and Torsion
Objectives
Shear and Bending
Examples
Effect of Waves
Bending Stress and Shear Stress
Calculations of Shear Force and Bending Moment
Questions on Bending Moment and Shearing Force
Answers
Torsion
Chapter 12 Squat Interaction and Turning
Objectives
Squat
Interaction
Turning
Directional Stability
Heel while Turning
Index
Product details
- No. of pages: 326
- Language: English
- Copyright: © Butterworth-Heinemann 1985
- Published: December 3, 1985
- Imprint: Butterworth-Heinemann
- eBook ISBN: 9781483102443