Heat transfer to liquid metal data and correlations for tube bundles
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HEAT TRANSFER TO LIQUID METAL: DATA AND CORRELATIONS FOR TUBE BUNDLES PowerPoint PPT Presentation


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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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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

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


Test data

Test data


Heat transfer to liquid metal data and correlations for tube bundles

Test data: Nusselt vs Pe


Test data nusselt vs x

Test data: Nusselt vs x


Correlations

Correlations


Heat transfer to liquid metal data and correlations for tube bundles

Nu measured versus Nu calculated


Heat transfer to liquid metal data and correlations for tube bundles

Nu measured versus Nu calculated


Heat transfer to liquid metal data and correlations for tube bundles

Nu measured versus Nu calculated


Heat transfer to liquid metal data and correlations for tube bundles

Nu measured versus Nu calculated


Heat transfer to liquid metal data and correlations for tube bundles

Analysis of quality of correlations

Absolute error for each data point

Mean absolute error

Standard deviation

Root-mean-square error


Heat transfer to liquid metal data and correlations for tube bundles

Analysis of quality of correlations


Trac analysis of correlations in elsy conditions

TRAC analysis of correlations in ELSY conditions


Conclusions

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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