Contents 



Preface 1 

 CONVERSION FACTORS, NON-SI TO SI (METRIC) UNITS OF MEASUREMENTS 7 



PART I INTRODUCTION 8 



Physical Models 8 



Movable-Bed Models 9 



Objectives etnd Purpose of Study 10 



Scope of Report 11 



PART II SCALING GUIDANCE 12 



Movable-Bed Modeling Considerations 12 



Suggested Scaling Criteria Based on Fall Speed Parameter 16 



Selected Scaling Criteria 21 



Comparison to Xie's Scaling Guidance 21 



Applicability of Selected Scaling Criteria 24 



PART III EXPERIMENT OVERVIEW 26 



Laboratory Facilities 26 



Prototype Condition 28 



Model Scale Selection 31 



Testing Procedure 32 



Model Experiments 33 



