CORTRAN code for temperature predictions in an LMFBR during a natural circulation transient

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Three transient thermal-hydraulic models, TRAN I, II, III, have been incorporated into the CORTRAN code. The TRAN I, II, III models are similar in as much as they retain the wire-wrap mixing and swirl flow models of the Energy code, i.e., the wire-wrap mixing is modeled by an enhanced eddy diffusivity in the central regions of the bundle and a swirl flow in the region near the duct wall. The fuel rod and duct wall models required to treat the stored heat and thermal inertia effects, are also similar in the three models. Up to 10 radial nodes are allowed ... continued below

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Pages: 6

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Khan, E. U. & Hinds, A. January 1, 1979.

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Description

Three transient thermal-hydraulic models, TRAN I, II, III, have been incorporated into the CORTRAN code. The TRAN I, II, III models are similar in as much as they retain the wire-wrap mixing and swirl flow models of the Energy code, i.e., the wire-wrap mixing is modeled by an enhanced eddy diffusivity in the central regions of the bundle and a swirl flow in the region near the duct wall. The fuel rod and duct wall models required to treat the stored heat and thermal inertia effects, are also similar in the three models. Up to 10 radial nodes are allowed in the rods and 6 radial nodes in the duct wall to solve the one-dimensional conduction equation for the rods and duct wall, by finite difference. Temperature-dependent properties are taken into account in calculating rod temperatures.

Physical Description

Pages: 6

Notes

Dep. NTIS, PC A02/MF A01.

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  • ANS annual meeting, Atlanta, GA, USA, 3 Jun 1979

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  • Report No.: PNL-SA-7521
  • Report No.: CONF-790602-92
  • Grant Number: EY-76-C-06-1830
  • Office of Scientific & Technical Information Report Number: 5533586
  • Archival Resource Key: ark:/67531/metadc1093305

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Creation Date

  • January 1, 1979

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • April 20, 2018, 6:44 p.m.

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Khan, E. U. & Hinds, A. CORTRAN code for temperature predictions in an LMFBR during a natural circulation transient, article, January 1, 1979; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc1093305/: accessed May 27, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.