Boiling heat removal in a particle bed
Conference
·
OSTI ID:5337207
A one-dimensional model for boiling in volume-heated particle beds is presented. The model includes the effects of channeling and predicts the dryout power and dry zone thickness for both uniform and stratified beds. The model also predicts the conditions required for channel penetration of a subcooled zone in a subcooled bed, and predicts the existence of downward heat removal by boiling in a bottom-cooled bed. The model is compared to 240 published dryout measurements including both deep and shallow beds, large and small particles, six fluids, five solids, and covering three orders of magnitude in the measured dryout flux. The model correlates this data with an average error of 60%.
- Research Organization:
- Sandia National Labs., Livermore, CA (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5337207
- Report Number(s):
- SAND-82-0056C; CONF-820704-6; ON: DE82006770
- Country of Publication:
- United States
- Language:
- English
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ENERGY TRANSFER
EPITHERMAL REACTORS
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FAST REACTORS
FBR TYPE REACTORS
HEAT TRANSFER
LIQUID METAL COOLED REACTORS
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METALS
ONE-DIMENSIONAL CALCULATIONS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
REACTOR ACCIDENTS
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SODIUM
URANIUM COMPOUNDS
URANIUM DIOXIDE
URANIUM OXIDES