本文選題：壓氣機(jī)設(shè)計(jì) + 優(yōu)化設(shè)計(jì)��； 參考：《南京航空航天大學(xué)》2012年碩士論文

【摘要】：多級(jí)軸流式壓氣機(jī)因其內(nèi)部流動(dòng)的大逆壓梯度等工作特性，尤其是級(jí)間匹配等特點(diǎn)使得多級(jí)軸流壓氣機(jī)的研制難度很大。深入開(kāi)展軸流壓氣機(jī)的相關(guān)理論基礎(chǔ)研究和應(yīng)用研究，掌握軸流壓氣機(jī)的設(shè)計(jì)和優(yōu)化方法，對(duì)提高壓氣機(jī)的設(shè)計(jì)水平，推動(dòng)高性能壓氣機(jī)設(shè)計(jì)方面的發(fā)展具有非常重要的作用。另外，多級(jí)軸流壓氣機(jī)的設(shè)計(jì)過(guò)程是一個(gè)需要反復(fù)修改、重復(fù)設(shè)計(jì)的過(guò)程，因此開(kāi)展壓氣機(jī)優(yōu)化設(shè)計(jì)的方法及理論的研究就成為了一個(gè)十分具有工程應(yīng)用價(jià)值的研究課題。 本文研究發(fā)展了一種基于壓氣機(jī)二維計(jì)算方法的壓氣機(jī)二維分析與優(yōu)化設(shè)計(jì)方法。在以往大量的設(shè)計(jì)經(jīng)驗(yàn)數(shù)據(jù)和實(shí)驗(yàn)數(shù)據(jù)的基礎(chǔ)上，，使用壓氣機(jī)的二維計(jì)算方法對(duì)壓氣機(jī)的性能進(jìn)行計(jì)算可以得到十分準(zhǔn)確的結(jié)果。本文結(jié)合壓氣機(jī)的二維計(jì)算方法與多目標(biāo)遺傳優(yōu)化算法，形成了一個(gè)以二維性能計(jì)算為基礎(chǔ)的壓氣機(jī)性能分析和優(yōu)化設(shè)計(jì)方法。 為了證明優(yōu)化設(shè)計(jì)方法的實(shí)用性和可靠性，本文首先對(duì)一型大流量多級(jí)軸流壓氣機(jī)進(jìn)行了優(yōu)化設(shè)計(jì)，并利用二維和三維CFD的方法對(duì)優(yōu)化設(shè)計(jì)前后的壓氣機(jī)性能進(jìn)行了對(duì)比分析和研究，證明了優(yōu)化設(shè)計(jì)結(jié)果的可靠性。為了進(jìn)一步證明優(yōu)化設(shè)計(jì)方法實(shí)用價(jià)值和可靠性，本文完成了另外一型壓氣機(jī)的優(yōu)化設(shè)計(jì)工作，并且利用全三維CFD的計(jì)算和驗(yàn)證方法對(duì)優(yōu)化設(shè)計(jì)結(jié)果進(jìn)行了驗(yàn)證。最終證明本文所發(fā)展的壓氣機(jī)二維分析和優(yōu)化設(shè)計(jì)方法具有較高的精度和可靠性，并且具有較高的工程應(yīng)用價(jià)值。
[Abstract]:The development of multistage axial flow compressor is very difficult because of its internal flow characteristics such as large inverse pressure gradient, especially the matching between stages. It is very important for improving the design level of axial compressor and promoting the development of high performance compressor to develop the basic theory and application of axial compressor and master the design and optimization method of axial compressor. In addition, the design process of multi-stage axial compressor is a process that needs to be modified and designed repeatedly. Therefore, the research on the method and theory of compressor optimization design has become a research subject with engineering application value. In this paper, a compressor two-dimensional analysis and optimization design method based on compressor two-dimensional calculation method is developed. On the basis of a large number of design experience and experimental data in the past, the performance of the compressor can be calculated by using the two-dimensional calculation method of the compressor. In this paper, a compressor performance analysis and optimization design method based on two-dimensional performance calculation is developed by combining the two-dimensional calculation method with the multi-objective genetic optimization algorithm. In order to prove the practicability and reliability of the optimization design method, this paper firstly optimizes the design of a large flow multistage axial compressor. The performance of compressor before and after optimization design is compared and analyzed by using two-dimensional and three-dimensional CFD, and the reliability of the optimized design result is proved. In order to further prove the practical value and reliability of the optimization design method, this paper completes the optimization design of another type of compressor, and verifies the optimized design results by using the calculation and verification method of full-3D CFD. Finally, it is proved that the two-dimensional analysis and optimization design method developed in this paper has high accuracy and reliability, and has high engineering application value.
【學(xué)位授予單位】：南京航空航天大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類(lèi)號(hào)】：V231.3;TH45

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