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HEAT TRANSFER TO LIQUID METAL: DATA AND CORRELATIONS FOR TUBE BUNDLES

HEAT TRANSFER TO LIQUID METAL: DATA AND CORRELATIONS FOR TUBE BUNDLES. Konstantin MIKITYUK Laboratory for Reactor Physics and Systems Behaviour. Outline. Liquid metal / tube bundle data review Liquid metal / tube bundle correlation review

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HEAT TRANSFER TO LIQUID METAL: DATA AND CORRELATIONS FOR TUBE BUNDLES

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  1. HEAT TRANSFER TO LIQUID METAL:DATA AND CORRELATIONS FOR TUBE BUNDLES Konstantin MIKITYUK Laboratory for Reactor Physics and Systems Behaviour

  2. Outline • Liquid metal / tube bundle data review • Liquid metal / tube bundle correlation review • Analysis of correlation quality for predicting the data • Application of the correlations to ELSY conditions • Recommendation and conclusion

  3. Test data

  4. Test data: Nusselt vs Pe

  5. Test data: Nusselt vs x

  6. Correlations

  7. Nu measured versus Nu calculated

  8. Nu measured versus Nu calculated

  9. Nu measured versus Nu calculated

  10. Nu measured versus Nu calculated

  11. Analysis of quality of correlations Absolute error for each data point Mean absolute error Standard deviation Root-mean-square error

  12. Analysis of quality of correlations

  13. TRAC analysis of correlations in ELSY conditions

  14. Conclusions • Only tube bundle data considered • No “dirty” fluid data considered: • Influence of oxide layer  direct simulation • Not enough data to see  / difference • Gräber correlation recommended

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