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ID:20907341
大小:275.00 KB
页数:10页
时间:2018-10-17
《风机参数(中英)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、序号系统名参数说明数据单位系统名参数说明1RotorRotordiameter[m]风轮风轮直径Numberofblades[-]叶片数目Hubheight[m]轮毂中心高Towerheight[m]塔高Bladesetangletheanglebetweentherotorplaneandareferencelinefromwhichthebladetwistandpitcharemeasured[deg]叶片安装角桨叶和变距之间的参考线相对于风轴回转平面的角Coneangletheanglebet
2、weenthebladeaxisandtherotorplane[deg]叶片回转锥角叶片回转锥角Tiltangletheanglebetweentheshaftandthehorizontal(normallypositive)[deg]仰角主轴和水平面的夹角Overhangthehorizontaldistancebetweentherotorcentreandthetowercentreline[m]风轮中心到塔心的距离风轮回转中心和塔筒中心线的水平距离Lateraloffsetthehoriz
3、ontaloffsetbetweentheshaftandtoweraxes[m]侧偏移(主轴到塔心)主轴和塔轴的水平偏差Rotationalsensetheturbinemayrotateclockwiseoranti-clockwisewhenviewedfromupwind[-]风轮自转方向(顺时针/逆时针)当从上风向向风机看时,风机顺时针或逆时针转2HubHubmassmasswithoutblades[kg]轮毂轮毂质量不含桨叶Hubmasscentrethedistancefromthei
4、ntersectionoftheshaftandbladeaxestothecentreofmassofthehub,inadirectionmeasuredawayfromthetower[m]轮毂重心从主轴和叶片轴的交点到轮毂质量中心的距离10Hubinertia(aroundx-axishubcoordinatesystem)[kgm2]轮毂转动惯量(x轴)Hubinertia(aroundy-axishubcoordinatesystem)[kgm2]轮毂转动惯量(y轴)Hubinertia(
5、aroundz-axishubcoordinatesystem)[kgm2]轮毂转动惯量(z轴)Rootlengthradiusofthebladeflange[m]叶根半径螺孔中心圆半径Spinnerdiameter[m]回转直径(球径)回转直径(球径)3towerGeometryatsomestations塔架在一些截面的几何尺寸Height[m]高Massperunitlength[kg/m]单位长度质量Diameter[m]直径Bendingstiffnessor[Nm]抗弯刚度Wallthi
6、ckness[mm]壁厚Materialdensity[kg/m]密度Materialyoung’smodulus[N/m]杨氏模量Towereigenfrequency1stbendingdownwind[Hz]塔架一阶频率(弯曲下风向纵向)Towereigenfrequency1stbendinglateral[Hz]塔架一阶频率(横向)Aerodynamicdragcoefficient[-]空气动力拖动系数Hydrodynamicdrag[-]10coefficient(offshoreonl
7、y)流体动力拖动系数(海上适用)Hydrodynamicinertiacoefficient(offshoreonly)[-]流体动力惯量系数(海上适用)Meanwaterdepth(offshoreonly)[m]理论平均水深(海上适用)4TowerfoundationTranslationalstiffnesshorizontal[N/m]基础平移刚度水平Foundationmass[kg]基础质量Rotationalstiffnessaroundhorizonalaxis[Nm/rad]回转刚度
8、绕水平轴Rotationalinertiaoffoundationaroundhorizonalaxis[kgm2]基础转动惯量绕水平轴5NacelleNacellewidthwithoutrotorandhub[m]机舱宽不含风轮和轮毂Nacellelength[m]机舱长Nacelleheight[m]机舱高Locationoffrontofnacellemeasuredfromtoweraxis[m]机舱前端到塔中心的距离Nacelledragco
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