混流泵葉輪反問題設(shè)計(jì)與水力性能優(yōu)化

doi:10.6041/j.issn.1000-1298.2014.09.014

首頁 > 過刊瀏覽>2014年第45卷第9期 >84-88. DOI:10.6041/j.issn.1000-1298.2014.09.014

混流泵葉輪反問題設(shè)計(jì)與水力性能優(yōu)化
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                        10.6041/j.issn.1000-1298.2014.09.014
                    
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基金項(xiàng)目:國家自然科學(xué)基金重點(diǎn)項(xiàng)目（51139007）和“十二五”國家科技支撐計(jì)劃資助項(xiàng)目（2012BAD08B03）

Inverse Design and Hydraulic Optimization of Mixed-flow Pump Impeller

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基于三維反問題設(shè)計(jì)方法，結(jié)合CFD數(shù)值模擬，以混流泵葉片載荷分布參數(shù)為設(shè)計(jì)變量，以水力效率為優(yōu)化目標(biāo)，采用正交試驗(yàn)方法和響應(yīng)面函數(shù)法建立設(shè)計(jì)變量與目標(biāo)函數(shù)的關(guān)系，對混流泵進(jìn)一步優(yōu)化。分析了不同設(shè)計(jì)變量對目標(biāo)函數(shù)的影響，發(fā)現(xiàn)葉輪輪盤進(jìn)口處載荷對泵的水力效率影響最明顯。通過數(shù)值模擬對比基準(zhǔn)葉輪與優(yōu)化葉輪性能，優(yōu)化后的混流泵模型最優(yōu)工況下的水力效率提高32%，且水泵揚(yáng)程基本保持不變，優(yōu)化體系具有良好的工程應(yīng)用價(jià)值。

Abstract:

A reliable and convenient optimism method was introduced. Based on a mixed-flow pump designed by 3-dimensional inverse design method and combined with CFD, an optimization design was conducted with the blade-loading as the design variable and the hydraulic efficiency as the optimization objective. With CFD simulation results, the relationship between the hydraulic efficiency and the blade-loading was established by orthogonal test and response surface method. The optimization results show that the blade loading on hub near leading edge has the most significant influence on the hydraulic efficiency. Compared with the pump model with the reference impeller, the hydraulic efficiency of the pump model with optimized impeller increases by 3.2% while the head keeps constant.

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肖若富,陶然,王維維,楊魏.混流泵葉輪反問題設(shè)計(jì)與水力性能優(yōu)化[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2014,45(9):84-88. Xiao Ruofu, Tao Ran, Wang Weiwei, Yang Wei. Inverse Design and Hydraulic Optimization of Mixed-flow Pump Impeller[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(9):84-88.

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在線發(fā)布日期: 2014-09-10
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