CALCULATION OF THE TEMPERATURE GRADIENT AND THERMAL STRESS IN THE CONTAINER OF A PRESSURIZED WATER REACTOR (in German)
Journal Article
·
· Kernenergie (East Germany)
OSTI ID:4168394
The stresses developad in a pressurized water reactor are caused primarily by the overpressure from the boiling water and by heating due to and neutron absorption. The basic equations were set up to derive linear elasticity theory formulas for thermal stresses in hollow cylinders for the case of a special thermal source distribution which varies radially and axially. In an example it is shown that for heterogeneous reactors without a thermal shield, and with a maximum thermal neutron flux of 5 x l0/sup 13//cm/sup 2/ sec and ordinary core construction, the maximum thermal stress in the vessel wall produced by quanta absorption is of the same order of size of the stresses produced by the inner pressure. The effect of neutrons is slight, and therefore negligible. (T.R.H.)
- Research Organization:
- Wissenschaftlich-Technische Buro fur Reaktorbau, Berlin
- NSA Number:
- NSA-14-021090
- OSTI ID:
- 4168394
- Journal Information:
- Kernenergie (East Germany), Journal Name: Kernenergie (East Germany) Vol. Vol: 3; ISSN KERNA
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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