This book addresses the principles involved in the design and engineering of planing monohull power boats, with an emphasis on the...
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This book addresses the principles involved in the design and engineering of planing monohull power boats, with an emphasis on the theoretical fundamentals that readers need in order to be fully functional in marine design and engineering. Author William Vorus focuses on three topics: boat resistance, seaway response, and propulsion and explains the physical principles, mathematical details, and theoretical details that support physical understanding. In particular, he explains the approximations and simplifications in mathematics that lead to success in the applications of planing craft design engineering, and begins with the simplest configuration that embodies the basic physics. He leads readers, step-by-step, through the physical complications that occur, leading to a useful working knowledge of marine design and engineering. Included in the book are a wealth of examples that exemplify some of the most important naval architecture and marine engineering problems that challenge many of today's engineers.
Emphasizes the correct understanding of, and ability to implement, the driving physical principles of planing Addresses three important areas: boat resistance, seaway response, and propulsion Identifies problem areas in need of better understanding in monohull planing, leading to better design and engineering Includes supplementary material: sn.pub/extras Autorentext William Vorus, PhD, is Professor Emeritus and Jerome L. Goldman Endowed Chair in the School of Naval Architecture and Marine Engineering at the University of New Orleans, in Louisiana. He is one of the leading authorities in the field of planing watercraft and has published extensively on the topic in journals. Inhalt Preface 4Part 1: Boat Hull Hydrodynamics 5Introduction and Background 5Chapter I: Conceptual Monohull Planing in Calm Water 7Planing Boat Hydrostatics 11Hydrostatic Solution 13Chapter II: Slender-Body Hydrodynamics 14Planing Solution in Calm Water 14Analysis 16Normal Force Coefficient (per unit length) 17Lift and Drag 18Numerical Example 18More General Non-similar Slender Planing Hulls 25Numerical Analysis 27Shallow Water Planing 29Chapter III Time Domain Analysis 30Chapter IV Calm-water Mechanics 33Porpoising 40Gravity Effects in Boat Steady Performance 40The Components of Planing Craft Drag 41Induced drag 41Wave drag 42Spray drag 41Use of Trim Tabs 42Chapter V: Planing in Sea Waves 44Wave Spectrum and Inversion 45Seaway Motion 47Regular Wave Impact 51Part 2: Boat Propulsion Hydrodynamics 56Introduction and Background 56Design of Ventilated Propellers 58Chapter 1 Data requirements for design 58Vent-Cavity Creation 59Vent-Cavity Maintenance 59Specification of Design Geometry 63Chapter 2 An Engineering Approximation 64SPP Design Example 65Cavitation (Ventilation) Characteristics 68Blade Strength 77Stress and Deflection Prediction 78Open-Water Curves 79Hull Propeller Matching 81Consequences of Hull Propeller Mismatch 84Propulsion Efficiency Enhancing Devices 86Part 2 Conclusion 86References: 87Appendix 88