Contents 



Preface iv 



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



1— Introduction 1 



Prototype 1 



Problems and Needs 3 



Purpose of the Model Investigation 5 



2-The Model 6 



Model Design 6 



Model and Appurtenances 8 



Design of Tracer Material 11 



3— Experimental Conditions and Procedures 12 



Selection of Experimental Conditions 12 



Analysis of Model Data 17 



4 — Experiments and Results 18 



Experiments 18 



Experimental Results 22 



5— Conclusions 36 



References 38 



Tables 1-5 



Photos 1-9 



Plates 1-86 



SF298 



