The Research on Heat Transfer Coefficient of Wheel Rims of Large Capacity Steam Turbines

Wei Min Han; Yan Zhou; Heng Liang Zhang; Dan Mei Xie

doi:10.4028/www.scientific.net/AMR.744.100

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 744The Research on Heat Transfer Coefficient of Wheel...

The Research on Heat Transfer Coefficient of Wheel Rims of Large Capacity Steam Turbines

Abstract:

Several models for calculating the heat transfer coefficient of wheel rims of large capacity steam turbines are presented. Taking a certain 600MW supercritical turbine rotor as an example, the heat transfer coefficient of wheel rim under cold start-up are analyzed and calculated, according to the and comparison, and the quantitative calculation results are given The results show that the heat transfer coefficient of rotor rims obtained by Sarkar method is close to the heat transfer coefficient obtained by a research institute based on a rib heat transfer model. In finite element analyses, the calculation results by mentioned method could provide the heat transfer boundary condition of temperature and thermal stress field calculations of supercritical and ultra-supercritical steam turbine rotors.

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Periodical:

Advanced Materials Research (Volume 744)

Pages:

100-104

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.744.100

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Online since:

August 2013

Authors:

Wei Min Han, Yan Zhou, Heng Liang Zhang, Dan Mei Xie

Keywords:

Calculation Model, Heat Transfer Coefficient, Rotor, Steam Turbine, Wheel Rim

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References

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