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[en] Thermal stratification of hot and cold water in piping system dead legs has been investigated. The work has been done in co-operation between the thermal hydraulic experiments and code validation (TOKE) and the structural integrity (STIN) projects of the FINNUS research programme. The heat transport in the stratification region was studied with temperature measurements, and the response of the structures to the heat loads was investigated with strain gauges. Heat loads on the inner walls of the pipes were calculated with computational fluid dynamics (CFD) and transferred to structural analysis for the determination of stresses and strains. The calculations were validated by comparing the results with the experiments. (orig.)
Source
Kyrki-Rajamaeki, R.; Puska, E.K. (VTT Processes, Espoo (Finland)) (eds.); Technical Research Centre of Finland, Espoo (Finland); 333 p; ISBN 951-38-6086-8; 
; ISBN 951-38-6085-X; ; Nov 2002; p. 156-164; Available in fulltext from http://www.vtt.fi/inf/pdf/index.html or as a soft back edition from VTT Information Service, P.O.Box 2000, FIN-02044 VTT, Finland
; ISBN 951-38-6085-X; ; Nov 2002; p. 156-164; Available in fulltext from http://www.vtt.fi/inf/pdf/index.html or as a soft back edition from VTT Information Service, P.O.Box 2000, FIN-02044 VTT, Finland