[发明专利]一种风力机叶片翼型族

权利要求书

1.一种风力机叶片翼型族，所述的翼型族（A）包含第一至第四不同相对厚度的翼型（150、160、170、180），所述的相对厚度是各翼型上下两个面之间的最大距离与弦长（c）的比值，所述的弦长（c）是翼型前缘到尾缘的弦线（A40）的长度，其特征在于：

每个翼型均由前缘（A00）、尾缘（A10）、吸力面（A20）、压力面（A30）组成；

所述翼型族（A）的尾缘厚度为5%~11%弦长；

所述翼型族（A）的压力面为S形后加载；

所述翼型族（A）的相对厚度为45%-60%；

所述翼型族（A）的最大相对厚度的位置在距前缘32.1%~33.2%弦长处；

其中，每个翼型的几何外形，由压力面和吸力面上各点的无量纲二维坐标平滑连接形成，所述的无量纲二维坐标是各点的横坐标和纵坐标与弦长的比值。

2.根据权利要求1所述的风力机叶片翼型族，其中，第一翼型（150）的吸力面和压力面的无量纲二维坐标分别为：

第一翼型（150）吸力面

x/cy/cx/cy/cx/cy/c1.000000.025000.671800.153050.222710.205380.993760.027530.658140.157640.213090.202690.987530.030050.644160.162170.203440.199750.981290.032570.629880.166620.193790.196560.975050.035100.615350.170960.184180.193140.968820.037610.600590.175170.174630.189480.961960.040380.585660.179230.165200.185610.954990.043180.570620.183120.155930.181560.947910.046020.555510.186810.146870.177330.940720.048900.540390.190310.138070.172970.933440.051820.525340.193600.129560.168520.926050.054780.510410.196670.121410.164000.918560.057780.495650.199530.113650.159460.910960.060820.481140.202180.106310.154940.903260.063900.466910.204620.099430.150480.895450.067030.453020.206860.093010.146120.887510.070200.439490.208900.087080.141890.879460.073410.426370.210750.081610.137820.871270.076680.413660.212410.076620.133900.862930.079990.401380.213890.072050.130130.854440.083370.389530.215180.067860.126500.845780.086800.378090.216280.064000.122960.836930.090310.367050.217200.060380.119460.827890.093890.356380.217930.056890.115890.818630.097540.346040.218470.053430.112170.809140.101290.335990.218800.049840.108150.799400.105130.326180.218930.046000.103670.789400.109070.316580.218850.041770.098550.779120.113100.307120.218550.037020.092570.768540.117230.297770.218030.031680.085480.757650.121470.288470.217280.025770.077020.746430.125790.279200.216300.019390.066860.734880.130210.269920.215090.012860.05461

0.722980.134690.260600.213640.006720.039830.710720.139240.251220.211950.001900.021890.698100.143830.241780.210010.000000.000000.685130.148440.232280.20782  

 其中，x/c值表示第一翼型（150）的吸力面上某点在弦线方向上相对于前缘的长度（x）和弦长的比值（c），y/c值则表示从弦线到第一翼型（150）吸力面上某点的高度（y）和弦长的比值（c）；

第一翼型（150）压力面

x/cy/cx/cy/cx/cy/c0.00000 0.00000 0.21360 -0.21144 0.69181 -0.10808 0.00221 -0.01909 0.22507 -0.21526 0.70316 -0.10306 0.00704 -0.03485 0.23705 -0.21876 0.71447 -0.09813 0.01306 -0.04805 0.24951 -0.22189 0.72574 -0.09330 0.01935 -0.05916 0.26243 -0.22463 0.73694 -0.08857 0.02536 -0.06853 0.27578 -0.22692 0.74805 -0.08394 0.03083 -0.07643 0.28952 -0.22873 0.75906 -0.07942 0.03568 -0.08308 0.30360 -0.23004 0.76996 -0.07501 0.03997 -0.08869 0.31797 -0.23081 0.78071 -0.07070 0.04378 -0.09348 0.33257 -0.23104 0.79131 -0.06652 0.04724 -0.09763 0.34732 -0.23071 0.80175 -0.06246 0.05049 -0.10131 0.36217 -0.22982 0.81200 -0.05853 0.05363 -0.10469 0.37704 -0.22838 0.82205 -0.05475 0.05677 -0.10789 0.39187 -0.22641 0.83191 -0.05112 0.06000 -0.11103 0.40661 -0.22394 0.84156 -0.04766 0.06339 -0.11420 0.42119 -0.22098 0.85100 -0.04437 0.06697 -0.11747 0.43559 -0.21759 0.86022 -0.04126 0.07080 -0.12088 0.44975 -0.21378 0.86922 -0.03836 0.07489 -0.12446 0.46365 -0.20962 0.87802 -0.03566 0.07926 -0.12823 0.47729 -0.20514 0.88660 -0.03319 0.08391 -0.13218 0.49065 -0.20038 0.89498 -0.03094 0.08884 -0.13633 0.50372 -0.19538 0.90316 -0.02893 0.09406 -0.14065 0.51653 -0.19020 0.91115 -0.02716 0.09957 -0.14512 0.52909 -0.18485 0.91894 -0.02564 0.10537 -0.14974 0.54141 -0.17939 0.92655 -0.02436 0.11147 -0.15448 0.55353 -0.17383 0.93398 -0.02334 0.11787 -0.15931 0.56547 -0.16821 0.94124 -0.02256 0.12460 -0.16421 0.57725 -0.16257 0.94832 -0.02202 0.13165 -0.16917 0.58892 -0.15691 0.95523 -0.02171 0.13906 -0.17415 0.60049 -0.15126 0.96197 -0.02163 0.14685 -0.17913 0.61199 -0.14564 0.96854 -0.02176 0.15503 -0.18409 0.62344 -0.14006 0.97484 -0.02207 0.16363 -0.18898 0.63486 -0.13454 0.98113 -0.02257 0.17267 -0.19379 0.64627 -0.12908 0.98742 -0.02325 0.18217 -0.19848 0.65766 -0.12370 0.99371 -0.02407 0.19215 -0.20301 0.66905 -0.11840 1.00000 -0.02500 0.20262 -0.20734 0.68044 -0.11320 

 其中，x/c值表示第一翼型（150）的压力面上某点在弦线方向上相对于前缘的长度（x）和弦长的比值（c），y/c值则表示从弦线到第一翼型150）压力面上某点的高度（y）和弦长的比值（c）。