A Solution to the Inherent List on Nimitz Class Aircraft Carriers

Table of Contents
Abstract 3
Acknowledgements 4
Table of Contents 5
<strong>List</strong> of Figures 6
<strong>List</strong> of Tables 6
<strong>List</strong> of Appendices 6
1.0 Introduction 7
1.0 Introduction 7
1.1 Motivation 7
1.2 Background 7
1.2.1 Past Research 10
1.2.2 Stability 10
1.2.3 Survivability 13
1.2.4 Displacement Limits 14
1.2.5 KG Limits 14
1.3 Present Options 15
1.3.1 Continue <strong>to</strong> operate using inner bot<strong>to</strong>m and DC voids 15
1.3.2 Add a list control tank on <strong>the</strong> port side 17
1.3.3 Move or exchange compartment spaces 18
1.3.4 Convert a current DC void(s) <strong>to</strong> a JP-5 tank(s) and pump last 18
1.3.5 Future ship alterations and modifications 18
1.3.6 Re-examine current <strong>List</strong> Control System 19
1.3.7 Ballast Addition 21
1.3.7.1 Water Ballast 21
1.3.7.2 Solid Ballast 21
1.4 Option Selection 23
2.0 Preliminary Analysis and Results 23
2.1 Tank Selection 24
2.2 Modeling Analysis Performed 25
2.3 Preliminary Decision-Making Cost Estimation 31
2.4 Structural Analysis 35
2.4.1 Structural Modifications 39
2.4.1.1 Modifications <strong>to</strong> <strong>the</strong> 2"'* Deck 39
2.4.1.2 Modifications <strong>to</strong> <strong>the</strong> 4"" Deck 41
2.4.1.3 Modifications <strong>to</strong> <strong>the</strong> 8* Deck 43
3.0 Final Analysis and Results 44
3.1 Final POSSE Results 45
3.2 Final Cost Estimation 46
3.2.1 Ease of Removal 48
3.2.2 Evidence Perma Ballast® is non-corrosive 48
4.0 Conclusion 50
5.0 Recommendations 51
References 53