XFOIL Version 6.96 Calculated polar for: NREL's S828 Airfoil 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 1.000 e 6 Ncrit = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -12.750 -0.2144 0.10227 0.09983 -0.0830 0.7911 0.0081 -12.500 -0.2178 0.09696 0.09452 -0.0854 0.7897 0.0083 -8.750 -0.5210 0.02133 0.01592 -0.0771 0.7688 0.0038 -8.500 -0.5040 0.02059 0.01505 -0.0756 0.7672 0.0037 -8.250 -0.4851 0.01983 0.01417 -0.0744 0.7657 0.0037 -8.000 -0.4553 0.01779 0.01191 -0.0755 0.7645 0.0036 -7.750 -0.4280 0.01631 0.01022 -0.0759 0.7632 0.0036 -7.500 -0.4048 0.01545 0.00924 -0.0755 0.7617 0.0036 -7.250 -0.3829 0.01463 0.00834 -0.0748 0.7606 0.0036 -7.000 -0.3616 0.01401 0.00765 -0.0739 0.7594 0.0037 -6.750 -0.3463 0.01282 0.00634 -0.0719 0.7581 0.0043 -6.500 -0.3248 0.01242 0.00590 -0.0711 0.7568 0.0047 -6.250 -0.3030 0.01207 0.00551 -0.0703 0.7557 0.0049 -6.000 -0.2804 0.01179 0.00519 -0.0697 0.7545 0.0058 -5.750 -0.2598 0.01135 0.00470 -0.0686 0.7534 0.0069 -5.500 -0.2378 0.01107 0.00439 -0.0678 0.7523 0.0082 -5.250 -0.2176 0.01069 0.00403 -0.0666 0.7513 0.0155 -5.000 -0.1980 0.01034 0.00378 -0.0654 0.7502 0.0344 -4.750 -0.1772 0.01012 0.00361 -0.0644 0.7492 0.0500 -4.500 -0.1583 0.00985 0.00346 -0.0631 0.7480 0.0793 -4.250 -0.1421 0.00952 0.00332 -0.0612 0.7470 0.1262 -4.000 -0.1298 0.00910 0.00317 -0.0585 0.7463 0.1942 -3.750 -0.1186 0.00860 0.00301 -0.0557 0.7454 0.2803 -3.500 -0.1125 0.00798 0.00283 -0.0518 0.7443 0.3948 -3.250 -0.1134 0.00719 0.00259 -0.0465 0.7431 0.5374 -3.000 -0.1172 0.00629 0.00234 -0.0402 0.7417 0.7021 -2.750 -0.0966 0.00621 0.00251 -0.0387 0.7409 0.7816 -2.500 -0.0699 0.00630 0.00258 -0.0386 0.7401 0.8030 -2.250 -0.0415 0.00641 0.00267 -0.0389 0.7393 0.8119 -2.000 -0.0136 0.00651 0.00272 -0.0391 0.7386 0.8198 -1.750 0.0154 0.00666 0.00285 -0.0395 0.7379 0.8261 -1.500 0.0431 0.00678 0.00293 -0.0397 0.7372 0.8326 -1.250 0.0731 0.00696 0.00310 -0.0403 0.7366 0.8365 -1.000 0.1015 0.00725 0.00338 -0.0404 0.7359 0.8445 -0.750 0.1330 0.00777 0.00393 -0.0409 0.7353 0.8515 -0.500 0.1630 0.00816 0.00432 -0.0413 0.7346 0.8575 -0.250 0.1904 0.00824 0.00436 -0.0416 0.7337 0.8600 0.000 0.2185 0.00823 0.00435 -0.0420 0.7331 0.8610 0.250 0.2467 0.00824 0.00436 -0.0425 0.7325 0.8619 0.500 0.2750 0.00826 0.00439 -0.0429 0.7319 0.8627 0.750 0.3032 0.00828 0.00442 -0.0434 0.7313 0.8636 1.000 0.3313 0.00831 0.00446 -0.0438 0.7307 0.8645 1.250 0.3594 0.00834 0.00450 -0.0443 0.7300 0.8654 1.500 0.3873 0.00836 0.00454 -0.0447 0.7292 0.8665 1.750 0.4152 0.00837 0.00456 -0.0451 0.7282 0.8675 2.000 0.4431 0.00838 0.00459 -0.0456 0.7274 0.8685 2.250 0.4711 0.00838 0.00460 -0.0461 0.7263 0.8696 2.500 0.4994 0.00837 0.00460 -0.0466 0.7250 0.8708 2.750 0.5280 0.00835 0.00458 -0.0472 0.7236 0.8718 3.000 0.5583 0.00831 0.00450 -0.0481 0.7199 0.8726 3.250 0.5829 0.00809 0.00431 -0.0477 0.7139 0.8736 3.500 0.6112 0.00787 0.00405 -0.0480 0.7077 0.8743 3.750 0.6373 0.00778 0.00400 -0.0479 0.7034 0.8752 4.000 0.6628 0.00769 0.00396 -0.0477 0.6988 0.8761 4.250 0.6896 0.00760 0.00388 -0.0478 0.6939 0.8768 4.500 0.7157 0.00758 0.00389 -0.0478 0.6895 0.8776 4.750 0.7402 0.00751 0.00389 -0.0474 0.6840 0.8785 5.000 0.7660 0.00747 0.00385 -0.0473 0.6779 0.8793 5.250 0.7877 0.00740 0.00386 -0.0463 0.6686 0.8804 5.500 0.8096 0.00736 0.00385 -0.0454 0.6560 0.8815 5.750 0.8276 0.00736 0.00383 -0.0436 0.6351 0.8828 6.000 0.8191 0.00763 0.00387 -0.0362 0.5737 0.8856 6.250 0.7959 0.00835 0.00432 -0.0263 0.5167 0.8884 6.500 0.7764 0.00927 0.00500 -0.0176 0.4594 0.8912 6.750 0.7628 0.01028 0.00580 -0.0105 0.4069 0.8937 7.000 0.7548 0.01131 0.00663 -0.0047 0.3579 0.8962 7.250 0.7475 0.01246 0.00754 0.0006 0.3051 0.8989 7.500 0.7471 0.01347 0.00835 0.0045 0.2605 0.9008 7.750 0.7483 0.01449 0.00915 0.0081 0.2161 0.9024 8.000 0.7526 0.01535 0.00985 0.0111 0.1783 0.9043 8.250 0.7578 0.01624 0.01058 0.0139 0.1428 0.9060 8.500 0.7674 0.01699 0.01123 0.0161 0.1166 0.9075 8.750 0.7773 0.01777 0.01190 0.0181 0.0917 0.9091 9.000 0.7861 0.01862 0.01261 0.0202 0.0656 0.9108 9.250 0.7966 0.01943 0.01329 0.0220 0.0448 0.9126 9.500 0.8125 0.02000 0.01386 0.0230 0.0385 0.9141 9.750 0.8263 0.02070 0.01450 0.0243 0.0291 0.9154 10.000 0.8415 0.02133 0.01512 0.0254 0.0243 0.9167 10.250 0.8569 0.02192 0.01573 0.0264 0.0204 0.9183 10.500 0.8724 0.02251 0.01636 0.0275 0.0182 0.9199 10.750 0.8862 0.02323 0.01708 0.0286 0.0149 0.9215 11.000 0.9025 0.02383 0.01772 0.0295 0.0141 0.9231 11.250 0.9185 0.02445 0.01837 0.0303 0.0125 0.9248 11.500 0.9322 0.02523 0.01915 0.0314 0.0104 0.9265 11.750 0.9482 0.02588 0.01984 0.0321 0.0093 0.9282 12.000 0.9632 0.02662 0.02059 0.0330 0.0078 0.9297 12.250 0.9759 0.02748 0.02149 0.0341 0.0066 0.9320 12.500 0.9900 0.02824 0.02229 0.0350 0.0049 0.9343 12.750 1.0015 0.02919 0.02329 0.0362 0.0036 0.9365 13.000 1.0136 0.03014 0.02427 0.0372 0.0029 0.9388 13.250 1.0216 0.03144 0.02565 0.0387 0.0018 0.9412 13.500 1.0336 0.03246 0.02675 0.0396 0.0018 0.9434 13.750 1.0389 0.03401 0.02841 0.0412 0.0014 0.9465 14.000 1.0452 0.03549 0.03001 0.0426 0.0013 0.9498 14.250 1.0561 0.03665 0.03126 0.0434 0.0013 0.9534 14.500 1.0613 0.03836 0.03309 0.0446 0.0013 0.9575 14.750 1.0716 0.03983 0.03468 0.0450 0.0012 0.9627 15.000 1.0807 0.04167 0.03666 0.0452 0.0012 0.9680 15.250 1.0923 0.04357 0.03867 0.0445 0.0012 0.9733 15.500 1.0975 0.04630 0.04157 0.0441 0.0011 0.9787 15.750 1.1108 0.04823 0.04360 0.0430 0.0011 0.9881 16.000 1.1114 0.05082 0.04632 0.0434 0.0011 1.0000 16.250 1.1107 0.05354 0.04917 0.0439 0.0011 1.0000 16.500 1.1094 0.05643 0.05220 0.0443 0.0011 1.0000 16.750 1.1052 0.05973 0.05564 0.0445 0.0011 1.0000 17.000 1.1020 0.06303 0.05907 0.0445 0.0011 1.0000 17.250 1.0919 0.06732 0.06353 0.0443 0.0010 1.0000 17.500 1.0921 0.07047 0.06678 0.0437 0.0010 1.0000 17.750 1.0795 0.07549 0.07197 0.0428 0.0011 1.0000 18.000 1.0625 0.08139 0.07806 0.0413 0.0010 1.0000 18.250 1.0522 0.08656 0.08337 0.0395 0.0010 1.0000 18.500 1.0390 0.09247 0.08943 0.0372 0.0010 1.0000 18.750 1.0197 0.09974 0.09688 0.0341 0.0010 1.0000 19.000 1.0069 0.10611 0.10338 0.0310 0.0011 1.0000 19.250 0.9934 0.11291 0.11031 0.0275 0.0011 1.0000