學(xué)位論文帶有前掠葉片的軸流風(fēng)扇空氣動(dòng)力性能研究

1、中文摘要I分類號(hào)：學(xué)校代碼：密級(jí)：學(xué)號(hào)：學(xué)位論文MASTERDEGREETHESIS帶有前掠葉片的軸流風(fēng)扇空氣動(dòng)力性能研究作者：指導(dǎo)教師指導(dǎo)教師：學(xué)科專業(yè)學(xué)科專業(yè)：專業(yè)代碼專業(yè)代碼：研究方向研究方向：年月日ABSTRACTIIIAerodynamicperfmanceresearchingofaxialflowfanwithfwardsweptbladesABSTRACTAxialfansarewidelyusedinthefieldo

2、fcomputerCPUheatventilationairconditioningsoontoimprovetheefficiencyoffansstabilityoperationsstudyaxialfanbladestructureisverynecessary.ThispaperedthestraightsweptbladesfwardsweptbladesofaxialflowfansusingtheFineTurbosof

3、twareoftheBelguimcompanyNUMECAtonumericalSimulationtheresultsofvalidationstudies.Inthebaseofunderstingaxialflowfanwkingprinciplethemodelgridisdividedcalculatedsettingsthecalculationprocessfinallydealingwiththeresultsofpo

4、stprocessing.Theresultsoftheanalysisthefmerallsweptfanbladeshaveacertainpressureincreaseinefficiencycanberaisedthepressurespeedthesuctionsurfacepressuredistributionofthesurfacetherearesomedifferencesincludingthefwardswep

5、tbladeareaoflowpressuresuctionsideofthelargerhighpressuresuchashighpressuresidetoillustratetheflowofgrazinglossleavessmallerhavebetteraerodynamicperfmance.KEYWDS:lowspeedaxialfansfwardsweptbladenumericalanalysispressured