Contents 



Preface iv 



Conversion Factors, Non-SI to SI Units of Measurement v 



1 — Introduction 1 



The Prototype 1 



The Problem 1 



Proposed Improvements 4 



Previously Reported Model Tests and Conclusions 4 



Purpose of the Current Investigation 6 



Wave-Height Criterion 6 



2— The Model 7 



Design of Model 7 



Model and Appurtenances 10 



3 — Test Conditions and Procedures 13 



Selection of Test Conditions 13 



Analysis of Model Data 17 



4 — Tests and Results 18 



Tests 18 



Results 20 



5 — Conclusions 27 



References 29 



Tables 1-23 



Photos 1-90 



Plates 1-23 



SF298 



