An optimization design system has been constructed and practically used for centrifugal compressor components and mixed - flow pump impeller 目前,已經(jīng)建立了離心壓氣機(jī)部件及水泵葉輪的優(yōu)化設(shè)計系統(tǒng),并在工程設(shè)計中發(fā)揮了重要作用。
An optimized impeller in a mixed - flow pump , where the head and the efficiency increased by 7 . 43 % and 3 . 37 % respectively , confirmed the validity of this newly proposed method 通過對一臺混流泵葉輪進(jìn)行優(yōu)化,揚(yáng)程和效率分別提高了7 . 43 %和3 . 37 % ,從而驗證了該方法的實用性。
Prototype observation and model experiment indicate that flows in two channels of the discharge passage of an axial - flow pump and a guide vane mixed - flow pump are unequal to each other , there is flow deviation 摘要原型觀測和模型試驗都表明,軸流泵和導(dǎo)葉式混流泵雙孔出水流道兩孔流量不等,存在偏流。
In the aerodynamic optimization design of turbomachine , the approximation model methods enable to balance the computational cost and accuracy , whose successful applications in centrifugal compressor impeller , diffuser , and mixed - flow pump impeller designs are introduced to show a wide engineering foreground 基于統(tǒng)計學(xué)理論提出的近似模型方法有效地平衡了基于計算流體動力學(xué)分析的葉輪機(jī)械氣動優(yōu)化設(shè)計中計算成本和計算精度這一對矛盾,在離心壓氣機(jī)葉片擴(kuò)壓器、葉輪和混流泵葉輪設(shè)計等問題中得到了成功應(yīng)用,展示了廣闊的工程應(yīng)用前景。