Underestimation of oxygen deficiency hazard through use of linearized temperature profiles
The failure mode analysis for any cryogenic system includes the effects of a large liquid spill due to vessel rupture or overfilling. The Oxygen Deficiency Hazard (ODH) analysis for this event is a strong function of the estimated heat flux entering the spilled liquid. A common method for estimating the heat flux is to treat the surface on which the liquid spills as a semi-infinite solid. This note addresses the effect of linearizing the temperature profile in this form of analysis, and shows it to cause the calculated flux to be underestimated by more than a factor of two. 3 refs., 2 figs.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 5654324
- Report Number(s):
- FNAL-TM-1601; ON: DE89016708
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
CRYOGENIC FLUIDS
HAZARDOUS MATERIALS SPILLS
ACCIDENTS
CRYOGENICS
HEAT FLUX
HEAT TRANSFER
OXYGEN
PARTIAL DIFFERENTIAL EQUATIONS
SAFETY
DIFFERENTIAL EQUATIONS
ELEMENTS
ENERGY TRANSFER
EQUATIONS
FLUIDS
NONMETALS
420201* - Engineering- Cryogenic Equipment & Devices
GENERAL PHYSICS
CRYOGENIC FLUIDS
HAZARDOUS MATERIALS SPILLS
ACCIDENTS
CRYOGENICS
HEAT FLUX
HEAT TRANSFER
OXYGEN
PARTIAL DIFFERENTIAL EQUATIONS
SAFETY
DIFFERENTIAL EQUATIONS
ELEMENTS
ENERGY TRANSFER
EQUATIONS
FLUIDS
NONMETALS
420201* - Engineering- Cryogenic Equipment & Devices