Impacts of Startup, Shutdown and Load Variation on Transient Temperature and Thermal Stress Fields within Blades of Gas Turbines

Based on the actual operation parameters and temperature-dependent material properties of a gas turbine unit, composite cooling blade model and corresponding reliable boundary conditions were established. Transient thermal-fluid-solid coupling simulations were then comprehensively conducted to analy...

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Veröffentlicht in:	Journal of thermal science 2022, Vol.31 (3), p.727-740
Hauptverfasser:	Cai, Liuxi, Hou, Yanfang, Li, Fang, Li, Yun, Wang, Shunsen, Mao, Jingru
Format:	Artikel
Sprache:	eng
Schlagworte:	Air intakes Blade tips Boundary conditions Classical and Continuum Physics Convection cooling Engineering Fluid Dynamics Engineering Thermodynamics Film cooling Finite element method Gas turbines Heat and Mass Transfer High temperature Load Load fluctuation Material properties Physics Physics and Astronomy Shutdowns Stress distribution Temperature dependence Temperature distribution Thermal simulation Thermal stress Turbine blades Unsteady flow
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