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Steady-State Thermal Simulation of Weld Applied to a Practical Axisymmetric Weldment

[+] Author Affiliations
Ken Uchida, Rie Sumiya, Tadashi Murofushi, Masakazu Jimbo

Toshiba Corporation, Yokohama, Japan

Paper No. PVP2005-71208, pp. 899-907; 9 pages
doi:10.1115/PVP2005-71208
From:
  • ASME 2005 Pressure Vessels and Piping Conference
  • Volume 6: Materials and Fabrication
  • Denver, Colorado, USA, July 17–21, 2005
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 0-7918-4191-X | eISBN: 0-7918-3763-7
  • Copyright © 2005 by ASME

abstract

Steady-state Eulerian analysis on thermal simulation of welds using moving coordinates is known as a very computationally efficient method. This paper presents a method of Eulerian analysis that uses commercial computational fluid dynamics (CFD) code. In order to show the practical availability of the Eulerian method, the method is applied to an analysis of a circumferential weld of a core shroud in a boiling water reactor (BWR). In this analysis, the double ellipsoidal power density distribution model proposed by Goldak et al. (1984) is applied for the weld heat source, the temperature dependency of thermal properties is considered, and the effect of latent heat is treated by enthalpy method. Comparison of the analyzed temperature histories at several locations on the surface of the weldment to the measured results shows that the numerical results reproduce the measured results well.

Copyright © 2005 by ASME

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