Numerical study on the design error stabilities of 3-dimensional streamline curvature inverse method for centrifugal impellers. Tian Xiaopei & Shan Peng Journal of Aerospace Power, 31(5):1159–1169, 2016. abstract bibtex Two groups of the high speed centrifugal impellers were both designed by the 3-dimensional streamline curvature inverse method and a quasi-3-dimensional inverse method with a slip factor model.One group had different blade numbers,while the other group had different total pressure ratios.The impeller performances were predicted by a commercial computational fluid dynamics(CFD)solver.The design error stabilities of the two methods were compared.The impacts of the splitter blades on the design errors were also studied. The results showed that the 3-dimensional streamline curvature inverse method could realize aproper adjustment to the blade shape according to the blade loading.And compared with the quasi-3-dimensional inverse method,the total pressure ratios of the impellers designed by the 3-dimensional streamline curvature inverse method were generally higher.Therefore, with the increase of blade loading,the design errors of the 3-dimensional streamline curvature inverse method changed much smaller than those of the quasi-3-dimensional inverse method;namely,the design error stability of the 3-dimensional streamline curvature inverse method was much better.In addition,for the quasi-3-dimensional method,the impacts of the splitter blades on the blade design results were much smaller.
@article{tian_xiaopei_numerical_2016,
title = {Numerical study on the design error stabilities of 3-dimensional streamline curvature inverse method for centrifugal impellers},
volume = {31},
issn = {1000-8055},
abstract = {Two groups of the high speed centrifugal impellers were both designed by the 3-dimensional streamline curvature inverse method and a quasi-3-dimensional inverse method with a slip factor model.One group had different blade numbers,while the other group had different total pressure ratios.The impeller performances were predicted by a commercial computational fluid dynamics(CFD)solver.The design error stabilities of the two methods were compared.The impacts of the splitter blades on the design errors were also studied. The results showed that the 3-dimensional streamline curvature inverse method could realize aproper adjustment to the blade shape according to the blade loading.And compared with the quasi-3-dimensional inverse method,the total pressure ratios of the impellers designed by the 3-dimensional streamline curvature inverse method were generally higher.Therefore, with the increase of blade loading,the design errors of the 3-dimensional streamline curvature inverse method changed much smaller than those of the quasi-3-dimensional inverse method;namely,the design error stability of the 3-dimensional streamline curvature inverse method was much better.In addition,for the quasi-3-dimensional method,the impacts of the splitter blades on the blade design results were much smaller.},
number = {5},
journal = {Journal of Aerospace Power},
author = {{Tian Xiaopei} and {Shan Peng}},
year = {2016},
keywords = {⛔ No DOI found},
pages = {1159--1169},
}
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