Thermomechanical analysis of the ITER breeding blanket

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Thermomechanical performance of the ITER breeding blanket is an important design issue because it requires first, that the thermal expansion mismatch between the blanket structure and the blankets internals (such as, beryllium multiplier and tritium breeders) can be accommodated without creating high stresses, and second, that the thermomechanical deformation of various interfaces within the blanket does not create high resistance to heat flow and consequent unacceptably high temperatures in the blanket materials. Thermomechanical analysis of a single beryllium block sandwiched between two stainless steel plates was carried out using the finite element code ABAQUS to illustrate the importance of elastic ... continued below

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12 p.

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Majumdar, S.; Gruhn, H.; Gohar, Y. & Giegerich, M. March 1, 1997.

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Description

Thermomechanical performance of the ITER breeding blanket is an important design issue because it requires first, that the thermal expansion mismatch between the blanket structure and the blankets internals (such as, beryllium multiplier and tritium breeders) can be accommodated without creating high stresses, and second, that the thermomechanical deformation of various interfaces within the blanket does not create high resistance to heat flow and consequent unacceptably high temperatures in the blanket materials. Thermomechanical analysis of a single beryllium block sandwiched between two stainless steel plates was carried out using the finite element code ABAQUS to illustrate the importance of elastic deformation on the temperature distributions. Such an analysis for the whole ITER blanket needs to be conducted in the future. Uncertainties in the thermomechanical contact analysis can be reduced by bonding the beryllium blocks to the stainless steel plates by a thin soft interfacial layer.

Physical Description

12 p.

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INIS; OSTI as DE97007077

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  • ISFNT-4: 4th international symposium on fusion nuclear technology, Tokyo (Japan), 6-11 Apr 1997

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  • Other: DE97007077
  • Report No.: ANL/ET/CP--92936
  • Report No.: CONF-970404--9
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 516022
  • Archival Resource Key: ark:/67531/metadc692595

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  • March 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Dec. 16, 2015, 5:22 p.m.

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Majumdar, S.; Gruhn, H.; Gohar, Y. & Giegerich, M. Thermomechanical analysis of the ITER breeding blanket, article, March 1, 1997; Illinois. (digital.library.unt.edu/ark:/67531/metadc692595/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.