低速射流风洞毕业设计VIP免费

用于风力机实验的低速射流风洞设计学院动力与能源工程学院专业飞行器动力工程班级7404103学号200704044007姓名宫宇指导教师李国文负责教师李国文沈阳航空航天大学2011年6月沈阳航空航天大学毕业设计（论文）摘要本文设计了一套用于风力机实验的低速射流风洞。课题来源于东北农业大学射流风洞实验器项目。由风洞的使用要求、设计建造经费，结合安装场地的安装条件建造了一座射流风洞。文章中主要介绍了风洞的基本概况，风洞的基本设计理论,以及风力机实验的相关知识。详细的计算了该风洞的压力损失，选择了合理的动力系统，并设计了风洞的施工图纸。文章对风洞的总造价进行了估算，进行了经济技术分析。得到了可以降低能源消耗、实用性很强的结论。关键词：风洞；流动损失；风力机；I沈阳航空航天大学毕业设计（论文）low-speedJetwindtunneldesignforwindturbineexperimentAbstractThisarticlehasdesignedasystemforwindturbineexperimentsoflowspeedJetwindtunnel.SubjectderivesfromJetwindtunnelexperimentprojectofNortheastAgriculturalUniversity.Builtbywindtunnelusagerequirements,designrequirements,combinedwiththeinstallationsiteoftheinstallationconditionsbuiltawindtunnel.Articlemainlyintroducesthebasicprofilesofwindtunnel,basicwindtunneldesigntheoryandexperimentalknowledgeofwindturbines.Detailedcalculationofthewind-pressureloss,selectareasonablepowersystemanddesignofawindtunnelconstructiondrawings.Articlestoestimatethetotalcostofthetunnel,foreconomicandtechnicalanalysis.Getusefulnesscanreduceenergyconsumption,strongconclusions.Keywords:windtunnel;Flowloss;windturbineII沈阳航空航天大学毕业设计（论文）符号表实验段进口面积当量压力损失系数进口面积雷诺数出口面积阻尼网开孔率水力直径m摩擦阻力系数实验段进口速度m/s风洞能量比当量扩散角°蜂窝器堵塞度大气压强Pa压力损失系数气流密度动力粘性系数III沈阳航空航天大学毕业设计（论文）目录1绪论.....................................................................................................................................11.1风洞..............................................................................................................................11.1.1风洞概况................................................................................................................11.1.2风洞实验................................................................................................................21.1.3风洞试验的重要性................................................................................................31.2风力机实验简介..........................................................................................................41.2.1风力机及其分类....................................................................................................41.2.2风力机的特点........................................................................................................51.2.3风力机的发展........................................................................................................61.3小结...............................................................................................................................72风洞总体设计.....................................................................................................................82.1风洞的基本类型..........................................................................................................82.2风洞的主要组成部分...................................................................................................82.2.1稳定段.....