SURVEY ON THE MEASUREMENT OF THERMAL CONDUCTIVITY OF SOLIDS PRODUCED BY EVAPORATION AND CALCINATION OF SYNTHETIC FUEL REPROCESSING SOLUTIONS

摘要

Simplified equations to calculate the maximum temperature rise in stored solid wastes are given. The need for thermal conductivity values of solid wastes is demonstrated using these equations. For 55-gal containers of a calcined TBP-25 waste in a granite cave the temperature would rise 69^-3307°F depending on the decay prior to storage. A program is proposed for measuring the thermal conductivity of solids produced by evaporation and calcination of synthetic fuel reprocessing solutions. Thermal conductivity is defined and factors influencing the thermal conductivity of nonmetallic solids are considered. Particularly the effects of temperature and porosity on thermal conductivity are considered. Methods of measuring thermal conductivity axe outlined. Criteria used in selecting an arrangement of apparatus for measuring thermal conductivity are enumerated. An apparatus for determing the thermal conductivity of solids produced by evaporation and calcination of synthetic fuel reprocessing solutions is described.