螺旋桨设计计算

1、母型船船型参数设计水线长LWL144.2 m垂线间长Lpp140 m型宽B21.8 m型深H12.5 m设计吃水T8.9 m方形系数CB0.743排水量20800 t桨轴中心距基线Zp2.95 m功率8640 hp设计船船型参数设计水线长LWL160.0681427垂线间长Lpp155.4059637型宽B24.19892864型深H13.87553248设计吃水T9.879379123方形系数CB0.765753162排水量28450桨轴中心距基线Zp3.274625665功率母型船有效功率数据 航速V/kn1213有效功率PE/hp满载20362655压满载223

2、92921对应海军系数满载Ce641.9110539625.856002压载Ce734.6435671706.7833625110%满载Ce583.7118829568.8626105设计船有效功率换算航速V/kn1213有效功率PE/hp满载2508.7481443271.476583压载2192.0741392896.889433110%满载2758.8836423599.240338在AutoCAD中坐标（载况为110%满载）spline10,25.0874814386832 20,32.7147658250019在AutoCAD中得到13.5kn航速下设计船有效功率PE3705.77海

3、军部系数Ce331.62815592.主机参数最大持续功率Pm6914.138741 hp5081.891975 kw主机转速146 r/min转向右转型号MAN B&W 5S42MC柴油机一台主机功率5675 kw7721.088435 hp3.推进因子的决定伴流分数0.333推力减额分数t0.200相对旋转效率R1船身效率H1.2004.可以达到最大航速的计算采用MAU 4叶桨图谱进行计算采取功率贮备10%轴系效率s0.97螺旋桨敞水收到马力PD6036.043121 hp根据MAU4-40、MAU4-55MAU4-70的 -图谱列下表进行计算 项目序号名称单位1假定航速Vkn2V

4、A=(1-)Vkn3BP=N*PD0.5/VA2.545MAU4-40P/D0PTE=PD*H0hp6MAU4-55P/D0PTE=PD*H0hp7MAU4-70P/D0PTE=PD*H0hp根据所作的曲线的交点，可得到不同盘面比所对应的设计航速及螺旋桨最佳要素如下表所列MAUVmax/(kn)P/D4-4013.8260.63776.7014-5513.6570.68475.6044-7013.4810.68876.1045.空泡校核按柏利尔空泡限界线中商船上限线，计算不发生空泡之最小展开面积比桨轴沉深hs6.604753459 mp0-pv=pa+hs-pv16925.8723 kgf/m

5、2计算温度t15 c104.63 kgfs2/m4PD6036.043121 hpPBPBpv174 kgf/m2空泡校核计算结果序号项目单位数值MAU4-401Vmaxkn13.8262VA=0.5144Vmax(1-)m/s4.7445314853(0.7piND/60)2(m/s)2671.64044834V0.7R2=VA2+(3)2(m/s)2694.151027335=(p0-pv)/0.5V0.7R20.4660911536c（查图6-20）0.1757T=PD*0*75/VAkgf52951.022958Ap=T/0.5V0.7R2cm28.3321313089AE=Ap/(1

6、.067-0.229P/D) m29.04576533310AE/A0=AE/(pi*D2/4)0.490791920spline0,27.74751550,26.610755Dspline0,38.764047308936550,37.7449280398979AE/A0spline0,44.079192016754 50,47.0968016963159P/Dspline0,63.7080850,68.42988Vmaxspline0,13.8256750,13.657469根据CAD作图可求得不发生空泡的最小盘面比以及所对应的最佳螺旋桨要素AE/A00.5178723P/D0.68270

7、1D4.72300.533544Vmax13.66756.强度校核按2001年规范校核t0.25R及t0.6R，应不小于按下式计算之值:t=(Y/(K-X)(1/2)Y=1.36A1Ne/ZbneX=A2GAdN2D3/(1010*Z*b)Ne6706.714579Ad0.5178723P/D0.6827018 G7.6 g/cm3N=ne146 r/minb0.66R=0.226DAd/(0.1Z)1.381928671 mb0.25R=0.7212*b0.66R0.996646957 mb0.6R=0.9911b0.66R1.369629506 m强度校核计算表项目单位0.25R0.6R弦

8、长bm0.9966469571.369629506K1634207K2250151K31410635K4434 A1=D/P(K1-K2D/P0.7)+K3D/P0.7-K42441.266799870.4677525Y=A1Ne/(Zbne)28130.074137298.717604K58223K63412K74165K8380330A2=(D/P)(K5+K6)+K7+K81226.5286091024.30764材料系数K（铝镍青铜）1.1791.179X=A2GAdN2D3/(Zb*1010)0.2719329440.16525431t=sqrt(Y/(K-X)mm176.10258

9、9284.85135264MAU标准桨叶厚度tmm183104.2校核结果满足要求满足要求实取桨叶厚度mm176.102101.6352388实际桨叶厚度按t1.0R与t0.25R连直线决定:t1.0R=0.0035D=16.53036875直线斜率t0.25R=176.102与Y轴的交点t0.2186.7401088t0.3165.4638913t0.4144.1876737t0.5122.9114563t0.6101.6352388t0.780.35902125t0.859.08280375t0.937.806586257.螺距修正根据尾轴直径大小，决定毂径比dh/D=0.18,此值与MA

10、U桨标准毂径比相同，故对此项螺距无需修正。由于实际桨叶厚度大于MAU桨标准厚度，故需因厚度差异进行螺距修正。设计桨（t/b)0.7R0.058360001标准桨（t/b)0.7R0.055226975(取MAU4-55为基准桨）1-s=VA/NP=(1-)V*30.866/NP0.597830033（t/b）0.7=0.75*(t/b)0.7设-（t/b）0.7标*0.55/0.544=0.001892929（P/D)t=-2(P/D)0(1-s)（t/b）0.7R=-0.001545157最后修正螺距比P/D=(P/D)0+（P/D)t=0.6811558438.重量及惯性矩计算根据根据我国

11、船舶与海洋工程设计研究院提出的公式计算材料密度7800 kgf/m3桨叶重5503.027402 kgf螺旋桨桨毂直径dh0.85013325 m桨毂长度lk1.116438376 m轴毂配合锥度K0.114220355桨轴中央处轴径0.354682368 m桨毂重3962.962517 kgf螺旋桨总重9465.989919 kgfd/D0.18螺旋桨总惯性矩83972.76437 kgfcms29.敞水特性曲线的确定由MAU4-40，MAU4-55，P/D=0.6，P/D=0.7的敞水性征曲线内插得到MAU4-51.8，P/D=0.683的敞水性征曲线以及数据：具体插值过程如下：P/D0.

12、683 盘面比AE/A0MAU4-40 P/D=0.6J0.0000.1000.200KT0.2460.2230.20010KQ0.2340.2240.200MAU4-40 P/D=0.7J0.0000.1000.200KT0.2920.2690.23610KQ0.3020.2890.262MAU4-55 P/D=0.6J0.0000.1000.200KT0.2620.2310.20810KQ0.2460.2310.208MAU4-55 P/D=0.7J0.0000.1000.200KT0.3070.2790.24610KQ0.3360.3060.277MAU4-40 P/D=0.683J0.

13、0000.1000.200KT0.2840.2610.23010KQ0.2900.2780.251MAU4-55 P/D=0.683J0.0000.1000.200KT0.2990.2700.24010KQ0.3210.2930.265MAU4-51.5 P/D=0.683J0.0000.1000.200KT0.2960.2680.23710KQ0.3140.2900.262设计桨的敞水特性数据表J00.10.2KT0.2960.2680.23710KQ0.3140.290.262在CAD中作图，坐标值如下表所示J0100200KT59253647410KQ628580524spline0,5

14、92100,536200,474spline0,628100,580200,52410.系柱特性计算由步骤9可知：J=0时KT=0.296KQ=0.0314计算功率PD6706.714579系柱推力减额分数取t00.04主机转矩Q32916.21107 kgfm系柱推力T=KT*Q/KQ*D65698.79501 kgf螺旋桨转速N123.8873575 r/min11.航行特性计算取转速为156r/min,146r/min,136r/min进行计算项目单位数值Vkn12VA=0.514（1-）Vm/s4.115N=156r/minJ=VA/nD0.335KT0.193KQ0.0224PTE=

15、KTn2D4(1-t)V/145.6 hp4484.865Ps=KQ2nn2D5/75SRhp8354.110N=146r/minJ=VA/nD0.358KT0.183KQ0.0217PTE=KTn2D4(1-t)V/145.6 hp3725.307Ps=KQ2nn2D5/75SRhp6639.325N=136r/minJ=VA/nD0.384KT0.172KQ0.0209PTE=KTn2D4(1-t)V/145.6 hp3030.244Ps=KQ2nn2D5/75SRhp5168.682在CAD中作图，坐标如下所示Ps136spline100,-216.868236777983200,-19

16、1.290717725239Ps146spline100,-363.932511663171200,-335.617568056617Ps156spline100,-535.410965931875200,-504.267289316368Pe110%满载spline100,275.888364151335200,359.924033803505Pe满载spline100,240.874814386832200,317.147658250019Pe压载spline100,199.207413946058200,269.68894333175PTE136spline100,303.0243610

17、02648200,302.873781765276PTE146spline100,372.53070693255 200,374.514212457717PTE156spline100,448.486469610906200,455.1885935044512.螺旋桨计算总结螺旋桨直径D4.723m螺距比P/D0.682701螺距P3.224371222 m型式 MAU叶数Z 4盘面比AE/AO0.518纵倾角8 螺旋桨效率00.533544设计航速Vmax13.6675 kn毂径比 0.18旋向右旋材料铝镍青铜重量9465.989919 kgf惯性矩83972.76437 kgfcms2设计

18、航速15.48kn设计航速13.5kn14151617340643685533701730073642436952363747480560867719609.3240968584.3863153 559.8970351 529.5465922690.1755482700.8784803 709.0662154 709.6692967553.8718638531.2381739 509.0223949481.387283141516174196.8547045382.22588 6817.732554 8646.3092953705.2090714487.652623 5383.458075 6

19、451.7707674617.0330535920.694907 7499.136151 9511.30988330,41.9685470432982 40,53.822258803619 50,68.177325540390160,86.4630929544401hp母型船有效功率数据 设计船有效功率换算数值121314158.0054810268.672604444 9.339727863 10.0068512840PTE62.554771451.21004715 42.54940264 35.808440627.909157447.15611956 6.522990314 5.98401

20、542655PTE88.797581.634775.768570.833977PTE0.603040.621610.640320.658580.508330.534390.559070.5813403680.7017153869.396238 4048.0984954209.0608687.080879.587573.786268.936550.639890.669990.69030.705390.488120.514410.541120.5645703534.365713724.72561 3918.126635 4087.41588886.965979.123173.234867.8353

21、40P/D0.644540.673510.703840.730830.472150.498230.520720.5417655P/D3418.7305783607.569916 3770.414882 3922.76072970P/D400D04.8460.5555504.7180.5324.6880.50970036.837.638.4根据所作的曲线的交点，可得到不同盘面比所对应的设计航速及螺旋桨最佳要素如下表所列MAU4-55MAU4-7013.65713.4814.6868102364.626401293636.7893867628.7164262658.75557690650.1200

22、15110.4911345940.4976583480.180.1951407.1372349849.330678.2870580277.7141124259.1037002238.482733970.5209680170.491665766100,25.471765100,37.5049073598539100,44.1665766285862100,68.82538100,13.481436数值-212.762175229.2925438根据尾轴直径大小，决定毂径比dh/D=0.18,此值与MAU桨标准毂径比相同，故对此项螺距无需修正。由于实际桨叶厚度大于MAU桨标准厚度，故需因厚度差异进

23、行螺距修正。0.5180.3000.4000.5000.6000.7000.1690.1350.0980.0600.0150.1850.1520.1180.0820.0500.3000.4000.5000.6000.7000.2160.1770.1430.0990.0600.2420.2150.1770.1380.1000.3000.4000.5000.6000.7000.1620.1240.0830.046-0.0200.1770.1460.1150.0760.0340.3000.4000.5000.6000.7000.2150.1720.1310.0850.0450.2460.2150.1

24、770.1260.0900.0000.3000.4000.5000.6000.7000.2080.1700.1350.0920.0520.2320.2040.1670.1280.0920.0000.3000.4000.5000.6000.7000.2060.1640.1230.0780.0340.2340.2040.1660.1180.0800.0000.3000.4000.5000.6000.7000.2070.1650.1260.0810.0380.2340.2040.1670.1200.0830.30.40.50.60.70.2070.1650.1260.0810.0380.2340.2

25、040.1670.120.08330040050060070041433025216276468408334240166300,414400,330500,252600,162700,76300,468400,408500,334600,240700,166由MAU4-40，MAU4-55，P/D=0.6，P/D=0.7的敞水性征曲线内插得到MAU4-51.8，P/D=0.683的敞水性征曲线以及数据：MAU4-40 P/D=0.6MAU4-40 P/D=0.7MAU4-55 P/D=0.6MAU4-55 P/D=0.7MAU4-40 P/D=0.683MAU4-55 P/D=0.683MAU

26、4-51.5 P/D=0.683设计桨的敞水特性数据表131415164.4584.8015.1445.4860.3630.3910.4190.4470.1810.1690.1570.1470.02160.02070.01980.01884551.8864569.7804563.8124535.2268042.6737718.2577377.2527013.6340.3880.4180.4480.4770.1700.1580.1460.1350.02080.01980.01880.01773745.1423740.2933714.5183662.5596356.1766057.8145738.

27、3985401.3830.4160.4480.4800.5120.1590.1460.1340.1210.01990.01880.01750.01623028.7383008.2322953.7152844.7134912.9074638.1934336.0093994.834300,-163.819332097745400,-133.600894424933500,-99.483363308692300,-305.781435379549400,-273.83982900808 500,-240.13833471818300,-471.825695249223400,-437.7252365

28、80551500,-401.363402047231300,461.703305259067 400,592.069490731203 500,749.913615107201300,409.685470432982 400,528.22258803619500,671.773255403901300,350.520907102753 400,428.765262277428 500,518.345807493158300,300.823218975073 400,295.371451059434 500,284.471258820611300,374.02928855272400,371.4

29、51804386624 500,366.255888656108300,456.978011050679 400,456.381242024896 500,453.52256939492913.525在CAD中对应坐标100200300400spline100,168.070171535661200,186.939623801353300,204.809849508079400,220.906086034032spline100,153.436570987325200,172.472561012844300,191.812663469354400,208.741588794445spline1

30、00,141.873057837551200,160.756991647576300,177.041488249856400,192.276072888005spline100,177.595200,163.2694300,151.537400,141.6678spline100,154.1616200,139.175300,127.5724400,117.872spline100,133.9318200,118.2462300,106.4696400,95.6706spline100,301.52 200,310.805300,320.16 400,329.29spline100,319.9

31、45200,334.995300,345.15 400,352.695spline100,322.27 200,336.755300,351.92 400,365.415spline100,508.33 200,534.39 300,559.07 400,581.3spline100,488.12 200,514.41 300,541.12 400,564.5spline100,472.15 200,498.23 300,520.72 400,541.76螺旋桨直径D4.723m螺距比P/D 0.683螺距P3.224371222 m型式 MAU叶数Z 4盘面比AE/AO 0.518纵倾角8

32、螺旋桨效率0.533544毂径比 0.18一、绘制伸张轮廓线螺距3.224m螺旋桨半径2.361m最大叶片宽度b0.66R1.382m叶切面位置比r/R0.20.30.4螺旋桨半径R（m）2.3612.3612.361叶切面位置r(m)0.4720.7080.944母线到叶片随边的距离百分比27.96033.45038.760母线到叶片导边的距离百分比38.58044.25048.320叶片最大宽度b0.66R(m)1.3821.3821.382母线到叶片随边的距离AH（m）0.3860.4620.536母线到叶片导边的距离AJ(m)0.5330.6120.668叶片宽度b(m)0.9201.

33、0741.203叶片厚度用D的%表示4.0603.5903.120螺旋桨直径D(m)4.7234.7234.723叶片厚度t（m）0.1870.1650.144导边至最厚点的距离百分比32.00032.00032.000导边至最厚点的距离(m)0.2940.3440.385母线至最厚点的距离(m）0.2390.2680.283螺距比P/D0.6830.6830.683螺距P3.2243.2243.224叶切面形状：r/R0.200X0.0002.0004.000Yo35.00051.85059.750Yu35.00024.25019.0500.300X0.0002.0004.000Yo35.0

34、0051.85059.750Yu35.00024.25019.0500.400X0.0002.0004.000Yo35.00051.85059.750Yu35.00024.25019.0500.500X0.0002.0304.060Yo35.00051.85059.750Yu35.00024.25019.0500.600X0.0002.1804.360Yo34.00049.60058.000Yu34.00023.60018.1000.700X0.0002.5105.030Yo30.00042.90052.200Yu30.00020.50015.4500.800X0.0002.8405.680Y

35、o21.00032.45041.700Yu21.00014.00010.4500.900X0.0003.0606.110Yo8.30021.10031.500Yu8.3004.0002.7000.950X0.0003.1306.250Yo6.00019.65030.000Yu6.0000.0000.000叶切面参数：r/R螺旋桨半径2.3612.3612.3610.200叶宽b0.9200.9200.920最大厚度t0.1870.1870.187X值（cm）0.0001.8393.678Yo值（cm）6.5369.68211.158Yu值（cm）6.5364.5283.5570.300叶宽b1

36、.0741.0741.074最大厚度t0.1650.1650.165X值（cm）0.0002.1484.295Yo值（cm）5.7918.5799.886Yu值（cm）5.7914.0123.1520.400叶宽b1.2031.2031.203最大厚度t0.1440.1440.144X值（cm）0.0002.4074.814Yo值（cm）5.0477.4768.615Yu值（cm）5.0473.4972.7470.500叶宽b1.3041.3041.304最大厚度t0.1230.1230.123X值（cm）0.0002.6475.293Yo值（cm）4.3026.3737.344Yu值（cm）

37、4.3022.9812.3410.600叶宽b1.3701.3701.370最大厚度t0.1020.1020.102X值（cm）0.0002.9865.972Yo值（cm）3.4565.0415.895Yu值（cm）3.4562.3991.8400.700叶宽b1.3771.3771.377最大厚度t0.0800.0800.080X值（cm）0.0003.4566.926Yo值（cm）2.4113.4474.195Yu值（cm）2.4111.6471.2420.800叶宽b1.2841.2841.284最大厚度t0.0590.0590.059X值（cm）0.0003.6477.294Yo值（c

38、m）1.2411.9172.464Yu值（cm）1.2410.8270.6170.900叶宽b1.0171.0171.0170.600最大厚度t0.0380.0380.038X值（cm）0.0003.1136.216Yo值（cm）0.3140.7981.191Yu值（cm）0.3140.1510.1020.950叶宽b0.7690.7690.769最大厚度t0.0260.0260.026X值（cm）0.0002.4064.804Yo值（cm）0.1530.5010.765Yu值（cm）0.1530.0000.000在CAD中作图：叶切面位置r（mm）472.200708.300944.400母

39、线到叶片随边的距离AH(mm)386.407462.279535.663母线到叶片导边的距离AJ(mm)533.176611.535667.782绘制半径线：0.2处spline-386.4072,472.2533.1756,472.20.3处spline-462.279,708.3611.535,708.30.4处spline-535.6632,944.4667.7824,944.40.5处spline-601.7228,1180.5702.056,1180.50.6处spline-662.8072,1416.6706.893,1416.60.66处spline-687.4068,1558.

40、26694.5932,1558.260.7处spline-709.3806,1652.7667.6442,1652.70.8处spline-724.0298,1888.8560.1246,1888.80.9处spline-670.1318,2124.9347.2966,2124.90.95处spline-581.4074,2242.95187.261,2242.95绘制伸张轮廓：随边spline-386.4072,472.2-462.279,708.3-535.6632,944.4导边spline533.1756,472.2611.535,708.3 667.7824,944.4整个伸张轮廓s

41、pline-386.4072,472.2-462.279,708.3-535.6632,944.4绘制叶切面：0.200母线到导边的距离533.176533.176533.176X533.176514.784496.392Yo537.655569.121583.873spline533.1756,537.6552880625514.783944,569.120996386875496.392288,583.873464978125Yu537.655517.581507.870spline533.1756,537.6552880625514.783944,517.580726371875496.

42、392288,507.8702407168750.300母线到导边的距离611.535611.535611.535X611.535590.059568.582Yo766.357794.237807.309spline611.535,766.3567369375590.05872,794.237402613125568.58244,807.309050021875Yu766.357748.569739.965spline611.535,766.3567369375590.05872,748.569368628125568.58244,739.9652462831250.400母线到导边的距离66

43、7.782667.782667.782X667.782643.713619.645Yo995.0581019.3541030.745spline667.7824,995.0581858125643.713488,1019.35380883938619.644576,1030.74463506563Yu995.058979.558972.060spline667.7824,995.0581858125643.713488,979.558010884375619.644576,972.0602518493750.500母线到导边的距离702.056702.056702.056X702.056675

44、.589649.123Yo1223.7601244.4701254.1800.900spline702.056,1223.7596346875675.58929036,1244.47021506563649.12258072,1254u1223.7601210.5471204.155spline702.056,1223.7596346875675.58929036,1210.54665314063649.12258072,1204.155257415630.600母线到导边的距离706.893706.893706.893X706.893677.034647.174Yo

45、1451.4451467.3001475.837spline706.893,1451.444731175677.03353564,1467.29982842647.17407128,1475.837188475Yu1451.4451440.8751435.285spline706.893,1451.444731175677.03353564,1440.874666345647.17407128,1435.284728213750.700母线到导边的距离667.644667.644667.644X667.644633.081598.380Yo1677.1451687.5111694.984spl

46、ine667.6442,1677.144581375633.08087752,1687.51089511625598.37985256,1694.9842840925Yu1677.1451669.5101665.452spline667.6442,1677.144581375633.08087752,1669.51047435625598.37985256,1665.452343783130.800母线到导边的距离560.125560.125560.125X560.125523.655487.185Yo1901.5921908.3571913.823spline560.1246,1901.59

47、23887875523.65461504,1908.35736981688487.18463008,1913.82252916375Yu1901.5921897.4571895.359spline560.1246,1901.5923887875523.65461504,1897.456592525487.18463008,1895.359152991880.900母线到导边的距离347.297347.297347.297X347.297316.163285.132Yo2128.4712133.3102137.242spline347.2966,2128.47107165875316.16329

48、096,2133.31031469875285.13172476,2137.24219966875Yu2128.4712126.8452126.354spline347.2966,2128.47107165875316.16329096,2126.84538845285.13172476,2126.353902828750.950母线到导边的距离187.261187.261187.261X187.261163.202139.219Yo2244.9372248.4192251.058spline187.261,2244.9374395163.20167908,2248.4187628139.21

49、9225,2251.0584475Yu2244.9372243.4072243.407spline187.261,2244.9374395163.20167908,2243.4071875139.219225,2243.4071875绘制最大厚度线：X238.909104267.91452 282.679808Y472.29625708.444375944.5925spline238.909104,472.29625267.91452,708.444375282.679808,944.5925绘制叶剖面上的参数线：0.2母线到导边的距离533.176533.176533.176叶剖面宽度0.9

50、200.9200.920X坐标以叶宽的%表示102030X441.21732349.25904257.30076Y472.29625472.29625472.296250.3母线到导边的距离611.535611.535611.535叶剖面宽度1.0741.0741.074X坐标以叶宽的%表示102030X504.1536396.7722289.3908Y708.444375708.444375 708.4443750.4母线到导边的距离667.782667.782667.782叶剖面宽度1.2031.2031.203X坐标以叶宽的%表示102030X547.43784427.09328306.

51、748720.500Y944.5925944.5925944.59250.5母线到导边的距离702.056702.056702.056叶剖面宽度1.3041.3041.304X坐标以叶宽的%表示102030X571.67812441.30024310.92236Y1180.740625 1180.740625 1180.740630.6母线到导边的距离706.893706.893706.893叶剖面宽度1.3701.3701.370X坐标以叶宽的%表示102030X569.92298432.95296295.98294Y1416.888751416.88875 1416.888750.7母线到

52、导边的距离667.644667.644667.644叶剖面宽度1.3771.3771.377X坐标以叶宽的%表示102030X529.94172392.23924254.53676Y1653.036875 1653.036875 1653.036880.8母线到导边的距离560.125560.125560.125叶剖面宽度1.2841.2841.284X坐标以叶宽的%表示102030X431.70916303.29372174.87828Y1889.1851889.1851889.1850.9母线到导边的距离347.297347.297347.297叶剖面宽度1.0171.0171.017X坐

53、标以叶宽的%表示102030X245.55376245.55376245.55376Y2125.333125 2125.333125 2125.333130.95母线到导边的距离187.261187.261187.261叶剖面宽度0.7690.7690.769X坐标以叶宽的%表示102030X110.3941633.52732-43.33952Y2243.407188 2243.407188 2243.40719二、绘制投影轮廓叶切面位置比r/R0.2000.3000.400半径r472.29625708.444375944.5925螺距P3224.371222 3224.371222 322

54、4.37122OFP/2pi513.4349079 513.4349079 513.434908a261.6396374.0383470.7024b312.6597461.0587562.8949444.6083416.0355373.5866284.3506271.3142255.8533b277.5142423.061523.2803最大厚度线母线至最厚点的距离mm238.909104267.91452 282.679808参考线坐标X-3582.1929-3623.2893 -3664.3857参考线坐标Y462.062693.093924.124最大厚度线X-3343.2838 -33

55、55.37478 -3381.7059spline-3343.283796,462.062-3355.37478,693.093-3381.705892,924.124三、绘制桨毂毂径比dh/D0.18毂径dh850.13325 mm毂径前端直径d1935.146575 mm0.4毂径后端直径d2680.1066 mm毂径长度lo1116.438376 mm558.219188锥度K0.114220355利用上述数据即可简化桨毂在CAD中相对坐标：-4058.219188340.0533-2941.780812467.57328750.50.60.660.70.80.90.9512.3612.

56、3612.3612.3612.3612.3612.3612.3611.1811.4171.5581.6531.8892.1252.2432.36143.54047.96049.74051.33052.39048.49042.07017.29050.80051.15050.26048.31040.53025.13013.5501.3821.3821.3821.3821.3821.3821.3821.3820.6020.6630.6870.7090.7240.6700.5810.2390.7020.7070.6950.6680.5600.3470.1870.0001.3041.3701.3821.

57、3771.2841.0170.7690.2392.6502.1801.9001.7101.2400.7700.5400.3004.7234.7234.7234.7234.7234.7234.7234.7230.1230.1020.0900.0800.0590.0380.0260.01732.50034.90037.90040.20045.50048.90050.0000.4240.4780.5240.5540.5840.4980.3840.2780.2290.1710.114-0.024-0.150-0.1970.6830.6830.6830.6830.6830.6830.6833.2243.

58、2243.2243.2243.2243.2243.2246.00010.00015.00020.00030.00032.00040.00050.00066.15076.05085.25092.20099.800100.00097.75089.95015.00010.0005.4002.3500.0000.0000.0000.0006.00010.00015.00020.00030.00032.00040.00050.00066.15076.05085.25092.20099.800100.00097.75089.95015.00010.0005.4002.3500.0000.0000.0000

59、.0006.00010.00015.00020.00030.00032.00040.00050.00066.15076.05085.25092.20099.800100.00097.75089.95015.00010.0005.4002.3500.0000.0000.0000.0006.09010.16015.23020.31030.47032.50040.44050.37066.15076.05085.25092.20099.800100.00097.75089.95015.00010.0005.4002.3500.0000.0000.0000.0006.54010.91016.36021.

60、81032.72034.90042.56052.13064.75075.20084.80091.80099.800100.00097.75089.95014.2509.4505.0002.2500.0000.0000.0000.0007.54012.56018.84025.30037.69040.20047.23056.03059.90071.65082.35090.60099.800100.00097.75089.95011.9507.7004.1001.7500.0000.0000.0000.0008.51014.19021.28028.38042.56045.40051.82059.85050.