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1、某沿海单桨散货船螺旋桨设计计算说明书姓名： XXX班级：XXX学号：XXX联系方式：XXX日期：XXX1.已知船体的主要参数船长 L = 118.00 米型宽 B = 9.70 米设计吃水 T = 7.20 米排水量 = 5558.2 吨方型系数 CB = 0.658桨轴中心距基线高度 Zp = 3.00 米由模型试验提供的船体有效马力曲线数据如下：航速V（kn） 13141516有效马力PE（hp）2160 2420 3005 40452.主机参数型号 6ESDZ58/100 柴油机额定功率 Ps = 5400 hp额定转速 N = 165 rpm转向 右旋传递效率 s=0.983.相关推进
2、因子伴流分数 w = 0.279推力减额分数 t = 0.223相对旋转效率 R = 1.0船身效率 4.可以达到最大航速的计算采用MAU四叶桨图谱进行计算。取功率储备10%，轴系效率s = 0.98螺旋桨敞水收到马力：PD = 4762.8根据MAU4-40、MAU4-55、MAU4-70的-图谱列表计算：项 目单位数 值假定航速Vkn13141516VA=(1-w)V kn9.37310.09410.81511.536Bp=NPD0.5/VA2.542.3435.1829.6025.196.515.935.445.02MAU4-4075.8270.1164.9960.75P/D0.6400
3、.6670.6940.720O0.55760.58280.60550.6260PTE =PDHOhp2862.092991.443107.953213.18MAU4-5574.3568.2763.5759.33P/D0.6860.7130.7410.770O0.54140.56720.59090.6112PTE =PDHOhp2778.942911.363043.283137.21MAU4-7073.7967.7963.0758.70P/D0.6930.7230.7540.786O0.52090.54560.56430.5828PTE=PDHOhp2673.712800.492891.8629
4、91.44据上表的计算结果可绘制PTE、P/D及O对V的曲线，如下图所示。从PTEf(V)曲线与船体满载有效马力曲线之交点，可获得不同盘面比所对应的设计航速及螺旋桨最佳要素P/D、D及15012O如下表所列。MAUVmax P/DDO4-4015.12 0.69564.24.2410.6004-5515.030.73963.34.1570.5894-7014.800.74563.54.1060.5585.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 hf =TZp=7.23.00=4.2mp 0p v = pa + hspv = 10300+10254.2-
5、174 = 14461kgf/m2计算温度t = 15C ,Pv = 174kgf/ m2 , PD = 4762.8hp, = 104.63kgfs2/m4序号项目单位数值MAU4-40MAU4-55MAU4-701VmaxKn15.1215.0314.802VA=0.5144Vmax(1-w)m/s5.6085.5745.4893(0.7ND/60)2(m/s)2657.81632.01616.594V20.7R=V2A+（3）(m/s)2689.25663.08646.725=(p 0- p v) / V0.7R20.4010.4170.4276c0.1640.1690.1747T=PD
6、O75/VAkgf3822037448363448AP=T /V0.7R2cm26.4636.3916.1649AE=AP / (1.067-0.229P/D)m27.1197.1106.88110AE/AO=AE /D20.5030.5240.519按上述结果作图,可求得不发生空泡的最小盘面比以及对应的最佳螺旋桨要素AE / AO = 0.535 P/D=0.730 D= 4.160 o= 0.588 Vmax= 15.036.强度校核按1983年校核t0.25R及t0.6r,应不小于按下式计算之值: t=, , X=A2GAdN2D3/1010Zb计算功率Ne=54000.98=5292h
7、pAD = AE / AO =0.535, P/D= 0.730 , ，G=7.6gf/cm3 ,N=165rpmb0.66R =0.226DAE / AO/0.1Z=1.2575b0.25R=0.7212b0.66R = 0.9069b0.6R =0.9911b0.66R = 1.2463项 目单 位数 值0.25R0.6R弦长bm0.90691.2463K1643207K2250151K31410635K4434A1=D/P(K1-K2D/P0.7)+K3D/P0.7-K42327836Y=A1Ne/ZbN20572.565378.93K58223K63412K74165K8380330A
8、2=D/P(K5+K6)+K7+K811931013材料系数K（铝镍合金）1179 1.179X=A2GAdN2D3/1010Zb0.26210.1619mm148.7971.65MAU标准桨叶厚度tmm159196590.688校核结果满足要求满足要求实取桨叶厚度mm16092.13实取桨叶厚度按t1.0R=0.0035D=14.56 与t0.25R=160 连直线决定:t0.2R = 169.68 t0.3R = 150.30t0.4R = 130.88 t0.5R = 111.52t0.6R = 92.13 t0.7R = 72.72t0.8R = 53.34 t0.9R = 33.95
9、7.螺距修正根据尾轴直径大小，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，故需因厚度差异进行螺距修正。设计桨 0.7R =0.05805标准桨 0.7R = 0.055221s = =(1-0.279)*15.03*30.866/(165*3.0368)=0.66750.7R =0.7R设0.7R标0.75=-0.001126t=20(1s) 0.7R =2*0.730*0.6675*0.001126=0.00109修正后的螺距比：=0t =0.730+0.00109=0.7318.重量及惯性矩计算根据MAU桨切面的面
10、积数据用积分方法计算得：桨叶重量 3681.5.5kgf 桨毂重量 1896.2 kgf螺旋桨重量 5577.7 kgf桨叶惯性矩 443.5 kgf.m.s2桨毂惯性矩 30.9 kgf.m.s2螺旋桨总惯性矩 474.4 kgf.m.s2（1）（2）（3）（4）（5）（6）（7）（8）（9）（10）r/R面积系数Ka弦长最大厚度 bt切面面积(m2)S=Kabt辛式系数SM(4)(5)rr2(6)(7)(6)(8)0.20.6740.14199150.095702310.09570230.4160.1730560.0398121490.0165618540.30.6740.14685870
11、.098982740.39593090.6240.3893760.2470609050.1541660050.40.6740.14335270.096619720.19323940.8320.6922240.1607752120.1337649760.50.67450.13229900.089235740.35694231.0401.08160.3712204660.3860692840.60.67450.11481990.077446020.15489201.2481.5575040.1933052490.2412449510.70.6770.091136240.061699240.2467
12、9691.4562.1199360.3593363580.5231937370.80.6830.062330810.042571920.08514391.8721.6642.7688960.1416794280.2357545680.90.6950.031431790.021845140.087382.08041.8723.5043840.1635760850.30621443110.700102.084.326400(6)=1.6160287(9)=1.676765852(10)=1.9969698079.敞水特性曲线由MAU4-40,MAU4-55,P/D= 0.731 的敞水特性曲线内插
13、得到MAU4- 53.5 ,P/D= 0.731 的敞水特性曲线，其数据如下：设计桨的敞水特性数据表J00.10.20.30.40.50.60.710KQ0.37203540.3220.2940.2620.2220.1840.132KT0.3340.3030.2780.2440.2050.1630.1230.07410.螺旋桨计算总结螺旋桨直径 4.160螺距比 0.731 型式 MAU 叶数 Z=4 盘面比 AE / AO=0.535 纵倾角 螺旋桨效率 o= 0.588 设计航速 Vmax= 15.03毂径比 dh/D=0.18旋向 右旋材料 铝镍青铜重量 5577.7kgf惯性矩 474
14、.4 kgf.m.s211.附录螺旋桨制图数据。高度母线距随边母线距导边叶宽实际尺寸高度母线距随边母线距导边叶宽画图尺寸t0.2r0.4160.3515970.48514350.8367405t0.2r41.635.159748.5143583.67405t0.3r0.6240.420633750.556443750.9770775t0.3r62.442.0633855.6443897.70775t0.4r0.8320.4874070.6076241.095031t0.4r83.248.740760.7624109.5031t0.5r1.0400.54751550.638811.1863255
15、t0.5r10454.7515563.881118.6326t0.6r1.2480.6030970.643211251.24630825t0.6r124.860.309764.32113124.6308t0.66r1.37280.62548050.63201951.2575t0.66r137.2862.5480563.20195125.75t0.7r 1.4560.645474750.607498251.252973t0.7r145.664.5474860.74983125.2973t0.8r 1.6640.658804250.509664751.168469t0.8r166.465.8804
16、350.96648116.8469t0.9r1.8720.609761750.316009750.9257715t0.9r187.260.9761831.6009892.57715t0.95r1.9760.529030250.170391250.6994215t0.95r197.652.9030317.0391369.94215t1.0r2.0800.217421755t1.0r20821.74218叶切面实际尺寸0.2r0.4r0.6r0.7r 0.9rxy0yuXy0yuxy0yuxy0yuxy0 yu00.05939 000.04581 000.03132 000.02182 000.0
17、0282 00.01673 0.08752 0.04115 0.02190 0.06751 0.03174 0.02717 0.04570 0.02174 0.03145 0.03120 0.01491 0.02833 0.00716 0.001360.03347 0.10138 0.03232 0.04380 0.07820 0.02493 0.05434 0.05344 0.01668 0.06302 0.03796 0.01124 0.05656 0.01069 0.000920.05020 0.11224 0.02545 0.06570 0.08658 0.01963 0.08151
18、0.05965 0.01313 0.09447 0.04356 0.00869 0.08489 0.01389 0.000700.08367 0.12904 0.01697 0.10950 0.09953 0.01309 0.13597 0.06928 0.00871 0.15737 0.05210 0.00560 0.14146 0.01950 0.000410.12551 0.14465 0.00916 0.16425 0.11158 0.00707 0.20390 0.07813 0.00461 0.23606 0.05988 0.00298 0.21219 0.02536 0.0002
19、40.16735 0.15644 0.00399 0.21901 0.12067 0.00308 0.27182 0.08458 0.00207 0.31475 0.06588 0.00127 0.28292 0.02969 0.000100.25102 0.16934 0.32851 0.13062 0.40779 0.09195 0.47225 0.07257 0.42447 0.03385 0.26776 0.16968 0.35041 0.13088 0.43496 0.09213 0.52875 0.07272 0.45270 0.03395 0.33470 0.16586 0.43
20、801 0.12794 0.53043 0.09006 0.59178 0.07108 0.50834 0.03349 0.41837 0.15263 0.54752 0.11773 0.64970 0.08287 0.70204 0.06541 0.57787 0.03149 0.50204 0.13260 0.65702 0.10228 0.76972 0.07200 0.81218 0.05683 0.64748 0.02818 0.58572 0.10715 0.76652 0.08265 0.90083 0.05818 0.92244 0.04592 0.71710 0.02354
21、0.66939 0.07678 0.87602 0.05922 1.00764 0.04169 1.03258 0.03291 0.78663 0.01751 0.75307 0.04293 0.98553 0.03311 1.12704 0.02331 1.14284 0.01840 0.85625 0.01046 0.79490 0.02545 1.04028 0.01963 1.18661 0.01382 1.19784 0.01091 0.89096 0.00659 0.83674 0.00764 1.09503 0.00589 1.24631 0.00415 1.25297 0.00
22、498 0.92577 0.0023叶切面画图尺寸0.2r0.4r0.6r0.7r 0.9rxy0yuXy0yuxy0yuxy0yuxy0 yu05.93880 004.58080 003.13242 002.18160 00.28179 01.67348 8.75209 4.11474 2.19006 6.75079 3.17384 2.71695 4.56965 2.17427 3.14496 3.11969 1.49076 2.83286 0.71635 0.135803.34696 10.13838 3.23240 4.38012 7.82008 2.49326 5.43390 5.3
23、4354 1.66755 6.30245 3.79598 1.12352 5.65646 1.06943 0.091675.02044 11.22433 2.54520 6.57019 8.65771 1.96320 8.15086 5.96542 1.31285 9.44742 4.35593 0.86900 8.48932 1.38856 0.069608.36741 12.90416 1.69680 10.95031 9.95342 1.30880 13.59722 6.92818 0.87063 15.73734 5.21039 0.55994 14.14579 1.95043 0.0
24、407412.55111 14.46522 0.91627 16.42547 11.15752 0.70675 20.38960 7.81262 0.46065 23.60601 5.98849 0.29815 21.21868 2.53607 0.0237716.73481 15.64450 0.39875 21.90062 12.06714 0.30757 27.18198 8.45753 0.20729 31.47468 6.58843 0.12726 28.29158 2.96893 0.0101925.10222 16.93406 32.85093 13.06182 40.77921
25、 9.19457 47.22455 7.25746 42.44662 3.38482 26.77570 16.96800 35.04099 13.08800 43.49616 9.21300 52.87546 7.27200 45.27023 3.39500 33.46962 16.58622 43.80124 12.79352 53.04288 9.00571 59.17791 7.10838 50.83411 3.34917 41.83703 15.26272 54.75155 11.77266 64.97005 8.28709 70.20408 6.54116 57.78666 3.14
26、886 50.20443 13.26049 65.70186 10.22827 76.97200 7.19996 81.21771 5.68307 64.74846 2.81785 58.57184 10.71529 76.65217 8.26507 90.08316 5.81801 92.24387 4.59227 71.71026 2.35443 66.93924 7.67802 87.60248 5.92232 100.76402 4.16888 103.25750 3.29058 78.66280 1.75114 75.30665 4.29290 98.55279 3.31126 11
27、2.70366 2.33089 114.28367 1.83982 85.62461 1.04566 79.49035 2.54520 104.02795 1.96320 118.66101 1.38195 119.78422 1.09080 89.09625 0.65863 83.67405 0.76356 109.50310 0.58896 124.63083 0.41459 125.29730 0.49813 92.57715 0.23256 单位：mm弧长a弧长b弧长b0.2r(41.6)23.026.124.243.926.00.4r(83.2)41.749.245.235.125.00.6r(124.8)56.759.054.026.921.70.7r(145.6)61.456.953.521.117.60.9r(187.2)59.731.529.08.814.2
