Ship Stability for Masters and Mates
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Ship Stability for Masters and Mates

Bryan Barrass, Capt D R Derrett

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  2. English
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eBook - ePub

Ship Stability for Masters and Mates

Bryan Barrass, Capt D R Derrett

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About This Book

Ship Stability for Masters and Mates explores all aspects of ship stability and ship strength, squat, and interaction and trim, as well as materials stresses and forces. Organized into 56 chapters, the book looks at the relationship between ship stability and ship motion, with emphasis on group weights in a ship. It also explains how TPCs are calculated for a range of drafts extending beyond the light and loaded drafts, along with form coefficients, including the coefficient of fineness of the waterplane area.The book explains how to perform KB, BM, and KM calculations and make graphics on metacentric diagrams. It considers large-angle stability, the effect of beam and freeboard on stability, and hydrostatic curves and values for vessels that are initially on even keel. The reader is also introduced to free-surface effects of slack tanks with divisional bulkheads, how side winds affect ship stability, and the correlation between freeboard and stability curves. Other chapters focus on timber ship freeboard marks, procedures and calculations for drydocking and stability, and ship squat in open water and in confined channels. The book also includes extracts from the 1998 Merchant Shipping (Load Line) Regulations Number MSN 1752(M).This book is intended for students seeking to obtain Transport Certificates of Competency for Deck Officers and Engineering Officers and STCW equivalent International qualifications, as well as Chief Mates and Officers on Watch (Officers in Charge) on board merchant ships and other maritime personnel, port authorities, marine consultants, nautical study lecturers, and marine superintendents.

  • Updated throughout to include new shipping industry developments and regulations, with 9 new chapters, the latest ship stability datasheets, and sample exam questions
  • Provides a comprehensive introduction to all aspects of ship stability and ship strength, squat, interaction and trim, materials stresses and forces
  • Concepts are supported with numerous worked examples, clear diagrams, graphs and equations to assist with understanding and application of this critical subject

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PART I

Linking Ship Stability and Ship Motions

Chapter 1. Group Weights, Water Draft, Air Draft, and Density
Chapter 2. Transverse Statical Stability
Chapter 3. Effect of Decreasing Free Surface on Stability
Chapter 4. TPC and Displacement Curves
Chapter 5. Form Coefficients
Chapter 6. Discussion on LCB Position Relative to Amidships
Chapter 7. Quadrature – Simpson’s Rules for Areas and Centroids
Chapter 8. Quadrature – Simpson’s Rules for Moments of Inertia
Chapter 9. Quadrature – Simpson’s Rules for Centers of Pressure on Transverse Bulkheads
Chapter 10. KB, BM, and KM Calculations and Graphics on Metacentric Diagrams
Chapter 11. Final KG Plus 20 Reasons for Rise in KG
Chapter 12. Angle of List Considerations – Text, Calculations, and Graphics
Chapter 13. Angle of Heel – Effects of Suspended Weights
Chapter 14. Angle of List Due to Bilging of Side Compartments
Chapter 15. Heel Due to Turning
Chapter 16. Angle of Loll
Chapter 17. Moments of Statical Stability
Chapter 18. Aspects of Trim – The Main Factors Involved
Chapter 19. Trim Calculations – Changing Conditions of Loading
Chapter 20. Trim Calculations – Satisfying Prescribed Requirements for End Drafts
Chapter 21. Large-Angle Stability Considerations – GZ and KN Cross Curves of Stability
Chapter 22. Effects of Beam and Freeboard on Stability
Chapter 23. Dynamical Stability Relating to Statical Stability Curves
Chapter 24. Changes in Statical Stability Relating to Wave Profiles – Loss of Quasi-Static Stability
Chapter 25. Hydrostatic Curves and Values for Vessels Initially on Even Keel
Chapter 26. Hydrostatic Curves and Values for Vessels Initially Having Trim by the Bow or by the Stern
Chapter 27. Increase in Draft Due to List
Chapter 28. Combined List and Trim
Chapter 29. Calculating Free-Surface Effects of Slack Tanks with Divisional Bulkheads
Chapter 30. Bilging Effects of Stability – Permeability Effects
Chapter 31. Effects of Side Winds on Ship Stability
Chapter 32. Icing Allowances Plus Effects on Trim and Stability
Chapter 33. The Sectional Area Curve
Chapter 34. FL and PL Curves Plus Type A and Type B Vessels
Chapter 35. Load Lines and Freeboard Marks
Chapter 36. Timber Ship Freeboard Marks
Chapter 37. IMO Grain Rules for Safe Carriage of Grain in Bulk
Chapter 38. True Mean Draft
Chapter 39. Inclining Experiment (Stability Test) Plus Fluctuations in a Ship’s Lightweight
Chapter 40. The Calibration Book Plus Soundings and Ullages
Chapter 41. Drydocking and Stability – Procedures and Calculations
Chapter 42. Ship Squat in Open Water and in Confined Channels
Chapter 43. Turning Circle Diameter (TCD) Values for Vessels in Shallow Waters
Chapter 44. Interaction Effects, Including Two Case Studies
Chapter 45. Rolling, Pitching, and Heaving Motions
Chapter 46. Synchronous Rolling and Parametric Rolling of Ships
Chapter 47. Effects of Change of Density on a Ship’s Draft and Trim
Chapter 48. The Deadweight Scale
Chapter 49. The Trim and Stability Book
Chapter 50. Simplified Stability Information
Chapter 51. The Stability Pro-Forma
Chapter 52. Looking Forward into the Next Decade

Chapter 1

Group Weights, Water Draft, Air Draft, and Density

Group Weights in a Ship

The first estimate that the Naval Architect makes for a new ship is to estimate the lightweigh...

Table of contents