n 



CONTENTS 



INTRODUCTION 



BACKGROUND 



HEAT SOURCE DEVELOPMENT. 



Page 

 1 

 1 

 2 



Background 2 



Experimental Arrangement 4 



Dual-Plate Cell 4 



Reaction Rate Decay Characteristics 5 



Reaction Control 7 



Bi-Polar Electrode 7 



Powdered Metal Cell 8 



Summary of Experimental Investigation 11 



EXPERIMENTAL HEATER DEVELOPMENT 12 



Operation 12 



Heater Case 12 



Heat Production System 13 



Heat Circulation System 14 



System Components 14 



Safety Considerations 15 



Heater Testing 16 



Human Considerations 16 



CONCLUSIONS 17 



RECOMMENDATIONS 19 



APPENDIX 



Human Factors Considerations in Self-Contained 

 Diver Heater Design 



64 



- 



ana i ! ,y 





:1U| 



^ 



