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基于Bezier曲线法对径流式涡轮机动叶的设计

DOI: 10.3969/j.issn.1674-0696.2013.03.31, PP. 502-505

Keywords: Bezier曲线,子午流面,涡轮机,Numeca,Beziercurves,meridiansurface,turbo,Numeca

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Abstract:

:?根据叶轮初步设计公式,结合Bezier曲线构造方法依靠NUMECA软件Design3D模块以径流向心式涡轮机效率0.5为目标值,对叶轮子午面型线以及动叶型线进行设计。并通过NUMECA软件对所设计的叶片以及子午流面进行流体计算,得出了符合效率目标值的叶型和子午流面参数,以及子午流面的绝对温度和绝对压力的分布,提出了以径流向心式涡轮机效率为目标值,结合Bezier曲线构造法的叶片型线和子午流面型线的设计方法。

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