Increasing the efficiency of steam power plants is important to reduce their CO2 emissions and can be achieved by increasing steam temperatures beyond 700 °C. Within the present study, the thermal behavior of a steam by-pass valve subject to cyclic operation with 700 °C steam is investigated experimentally and numerically. An innovative numerical approach was applied to predict the valve’s thermal behavior during cyclic operation, which is essential for fatigue life assessment of such a component. Validation of the applied numerical approach has shown good agreement with measurement results, indicating the potential of its application for the valve design process.
Numerical and Experimental Investigations of the Transient Thermal Behavior of a Steam By-Pass Valve at Steam Temperatures Beyond 700 °C
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF THERMAL SCIENCE AND ENGINEERING APPLICATIONS. Manuscript received April 6, 2014; final manuscript received October 25, 2014; published online December 17, 2014. Assoc. Editor: Samuel Sami.
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Ayed, A. H., Kemper, M., Kusterer, K., Tadesse, H., Wirsum, M., Nordheim, D. V., Tebbenhoff, O., Czychon, K., Metzger, K., and Bohn, D. (March 1, 2015). "Numerical and Experimental Investigations of the Transient Thermal Behavior of a Steam By-Pass Valve at Steam Temperatures Beyond 700 °C." ASME. J. Thermal Sci. Eng. Appl. March 2015; 7(1): 011015. https://doi.org/10.1115/1.4029040
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