本文選題：核心機(jī)驅(qū)動(dòng)風(fēng)扇級(jí)　切入點(diǎn)：靜子　出處：《機(jī)械設(shè)計(jì)與制造》2016年04期 　論文類(lèi)型：期刊論文

【摘要】：針對(duì)核心機(jī)驅(qū)動(dòng)風(fēng)扇級(jí)氣動(dòng)設(shè)計(jì)問(wèn)題,采用定常數(shù)值模擬方法,對(duì)某核心機(jī)驅(qū)動(dòng)風(fēng)扇級(jí)進(jìn)行建模,分別采用直葉片靜子和彎曲葉片靜子在級(jí)環(huán)境中進(jìn)行三維仿真,對(duì)比分析了單外涵模式和雙外涵模式下分別采用直葉片靜子和彎曲葉片靜子的氣動(dòng)參數(shù)和流場(chǎng),并揭示了不同模式下靜子的氣動(dòng)參數(shù)特點(diǎn),結(jié)果表明,正彎曲葉片適用于核心機(jī)驅(qū)動(dòng)風(fēng)扇級(jí),其能夠改變靜子載荷的徑向分布,削弱根部的氣流分離,減少了氣動(dòng)損失,提高了效率,且對(duì)兩種工作模式均有效;單外涵模式靜子宜采用偏負(fù)攻角設(shè)計(jì)。
[Abstract]:Aiming at the aerodynamic design problem of the fan stage driven by the core engine, a steady numerical simulation method is used to model the fan stage driven by a certain core machine, and the stator of the straight blade and the stator of the curved blade are used to carry out the three-dimensional simulation in the stage environment, respectively. The aerodynamic parameters and flow field of stator with straight blade and curved blade in single culvert mode and double culvert mode are compared and analyzed, and the characteristics of aerodynamic parameters in different modes are revealed. The positive bending blade is suitable for driving fan stage of the core machine. It can change the radial distribution of the static load, weaken the air flow separation at the root, reduce the aerodynamic loss, improve the efficiency, and be effective for both working modes. The single external culvert model should be designed with partial negative angle of attack.
【作者單位】： 中國(guó)民用航空飛行學(xué)院航空工程學(xué)院;
【基金】：國(guó)家自然科學(xué)基金項(xiàng)目(51306201) 中國(guó)民航飛行學(xué)院青年基金項(xiàng)目(Q2014-037)
【分類(lèi)號(hào)】：V233
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本文編號(hào)：1565678