ORINC: a one-dimensional implicit approach to the inverse heat conduction problem. [PWR]

doi:https://doi.org/10.2172/5309988

ORINC: a one-dimensional implicit approach to the inverse heat conduction problem. [PWR]

L.J. Ott,R.A. Hedrick-1977-10-18

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TL;DRAbstract

The report develops an implicit solution technique to determine both the transient surface temperature and the transient surface heat flux of electrically heated rods given the power input and an ''indicated'' internal temperature during a simulated loss-of-coolant accident. A digital computer program ORINC (ORNL Inverse Code) is developed which solves a one-dimensional, transient, lumped parameter, implicit formulation of the conduction equation at each bundle thermocouple position in the Thermal-Hydraulic Test Facility (THTF).

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The report develops an implicit solution technique to determine both the transient surface temperature and the transient surface heat flux of electrically heated rods given the power input and an ''indicated'' internal temperature during a simulated loss-of-coolant accident. A digital computer program ORINC (ORNL Inverse Code) is developed which solves a one-dimensional, transient, lumped parameter, implicit formulation of the conduction equation at each bundle thermocouple position in the Thermal-Hydraulic Test Facility (THTF).

Keywords

Transient (computer programming)BundleThermal conductionMechanicsHeat fluxThermal hydraulicsCoolantHeat transfer

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