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- Title
Aerodynamic optimization of a high-expansion ratio organic radial-inflow turbine.
- Authors
Li, Yan; Li, Xue-song; Ren, Xiaodong
- Abstract
Given that the radial-inflow turbine is a critical component of the Organic Rankine cycle system, its performance substantially influences system capacity. This paper established an optimization framework for the radial-inflow turbine is established with the combination of a computational fluid dynamics software, a non-uniform rational B-spline parameterization method, and an optimization strategy. The nozzle, meridional flow path, and blade profile of a 500 kW turbine were optimized. Results show that nozzle blade and impeller optimization leads to a 0.34 % and about 0.71 % increase in turbine efficiency, respectively. After optimization, the flow state in the turbine was good, and the flow separation almost disappeared.
- Subjects
AERODYNAMICS; RADIAL inflow turbines; RANKINE cycle; COMPUTATIONAL fluid dynamics software; MERIDIONAL winds
- Publication
Journal of Mechanical Science & Technology, 2016, Vol 30, Issue 12, p5485
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-016-1116-3