NACA 23021 (naca23021-il) Xfoil prediction polar at RE=200,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 23021 (naca23021-il) Reynolds number: 200,000 Max Cl/Cd: 49.09 at α=7.5° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca23021-il-200000.txt Download as CSV file: xf-naca23021-il-200000.csv |
XFOIL Version 6.96
Calculated polar for: NACA 23021
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.200 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -1.0742 0.09308 0.08699 -0.0569 1.0000 0.0680
-19.500 -1.1017 0.08621 0.07986 -0.0602 1.0000 0.0685
-19.250 -1.1250 0.08024 0.07362 -0.0627 1.0000 0.0690
-19.000 -1.1459 0.07493 0.06803 -0.0647 1.0000 0.0695
-18.750 -1.1603 0.07056 0.06344 -0.0659 1.0000 0.0700
-18.500 -1.1352 0.07021 0.06323 -0.0650 1.0000 0.0711
-18.250 -1.1275 0.06824 0.06125 -0.0651 1.0000 0.0720
-18.000 -1.1256 0.06567 0.05860 -0.0655 1.0000 0.0729
-17.750 -1.1256 0.06295 0.05576 -0.0657 1.0000 0.0738
-17.500 -1.1263 0.06025 0.05291 -0.0659 1.0000 0.0748
-17.250 -1.1290 0.05744 0.04992 -0.0660 1.0000 0.0757
-17.000 -1.1341 0.05461 0.04686 -0.0659 1.0000 0.0765
-16.750 -1.1086 0.05406 0.04648 -0.0652 1.0000 0.0779
-16.500 -1.0967 0.05266 0.04509 -0.0648 1.0000 0.0791
-16.250 -1.0883 0.05097 0.04335 -0.0645 1.0000 0.0803
-16.000 -1.0820 0.04912 0.04140 -0.0640 1.0000 0.0816
-15.750 -1.0777 0.04719 0.03931 -0.0635 1.0000 0.0829
-15.500 -1.0671 0.04567 0.03774 -0.0628 1.0000 0.0843
-15.250 -1.0505 0.04466 0.03682 -0.0622 1.0000 0.0858
-15.000 -1.0390 0.04336 0.03551 -0.0615 1.0000 0.0874
-14.750 -1.0292 0.04194 0.03403 -0.0607 1.0000 0.0891
-14.500 -1.0211 0.04045 0.03241 -0.0598 1.0000 0.0908
-14.250 -1.0068 0.03930 0.03129 -0.0589 1.0000 0.0927
-14.000 -0.9939 0.03818 0.03022 -0.0580 1.0000 0.0947
-13.750 -0.9834 0.03696 0.02898 -0.0570 1.0000 0.0969
-13.500 -0.9743 0.03571 0.02763 -0.0558 1.0000 0.0993
-13.250 -0.9615 0.03459 0.02658 -0.0546 1.0000 0.1018
-13.000 -0.9511 0.03348 0.02551 -0.0532 1.0000 0.1044
-12.750 -0.9423 0.03237 0.02436 -0.0517 1.0000 0.1075
-12.500 -0.9339 0.03125 0.02325 -0.0499 1.0000 0.1108
-12.250 -0.9280 0.03014 0.02221 -0.0478 1.0000 0.1142
-12.000 -0.9230 0.02916 0.02119 -0.0453 1.0000 0.1184
-11.750 -0.9218 0.02807 0.02018 -0.0422 1.0000 0.1224
-11.500 -0.9224 0.02714 0.01928 -0.0387 1.0000 0.1270
-11.250 -0.9253 0.02628 0.01843 -0.0346 1.0000 0.1321
-11.000 -0.9339 0.02545 0.01768 -0.0296 1.0000 0.1368
-10.750 -0.9414 0.02489 0.01708 -0.0243 1.0000 0.1425
-10.500 -0.9580 0.02424 0.01653 -0.0176 1.0000 0.1468
-10.250 -0.9736 0.02383 0.01612 -0.0108 1.0000 0.1521
-10.000 -0.9930 0.02350 0.01580 -0.0032 1.0000 0.1566
-9.750 -1.0072 0.02309 0.01543 0.0035 0.9997 0.1625
-9.500 -0.9761 0.02223 0.01468 0.0018 0.9942 0.1806
-9.250 -0.9467 0.02137 0.01400 0.0004 0.9884 0.2017
-9.000 -0.9156 0.02065 0.01341 -0.0011 0.9816 0.2281
-8.750 -0.8799 0.02004 0.01296 -0.0033 0.9765 0.2573
-8.500 -0.8501 0.01958 0.01255 -0.0041 0.9678 0.2809
-8.250 -0.8099 0.01913 0.01217 -0.0069 0.9629 0.3031
-8.000 -0.7796 0.01878 0.01183 -0.0075 0.9539 0.3204
-7.750 -0.7394 0.01840 0.01145 -0.0100 0.9483 0.3379
-7.500 -0.6941 0.01799 0.01107 -0.0134 0.9451 0.3548
-7.250 -0.6675 0.01765 0.01081 -0.0131 0.9345 0.3673
-7.000 -0.6275 0.01727 0.01045 -0.0154 0.9297 0.3827
-6.750 -0.5936 0.01699 0.01012 -0.0164 0.9231 0.3972
-6.500 -0.5651 0.01667 0.00991 -0.0162 0.9135 0.4096
-6.250 -0.5290 0.01631 0.00956 -0.0175 0.9080 0.4235
-6.000 -0.5059 0.01613 0.00937 -0.0162 0.8963 0.4358
-5.750 -0.4736 0.01577 0.00907 -0.0166 0.8888 0.4474
-5.500 -0.4491 0.01559 0.00882 -0.0156 0.8778 0.4590
-5.250 -0.4196 0.01527 0.00858 -0.0154 0.8684 0.4697
-5.000 -0.3949 0.01509 0.00835 -0.0144 0.8572 0.4825
-4.750 -0.3677 0.01485 0.00817 -0.0137 0.8464 0.4950
-4.500 -0.3425 0.01467 0.00798 -0.0128 0.8348 0.5076
-4.250 -0.3161 0.01448 0.00779 -0.0120 0.8234 0.5208
-4.000 -0.2908 0.01432 0.00766 -0.0111 0.8105 0.5332
-3.750 -0.2648 0.01419 0.00744 -0.0102 0.7992 0.5477
-3.500 -0.2396 0.01405 0.00739 -0.0092 0.7848 0.5602
-3.250 -0.2132 0.01391 0.00719 -0.0085 0.7719 0.5735
-3.000 -0.1875 0.01380 0.00708 -0.0075 0.7571 0.5859
-2.750 -0.1620 0.01370 0.00698 -0.0067 0.7423 0.5981
-2.500 -0.1352 0.01364 0.00684 -0.0060 0.7293 0.6111
-2.250 -0.1098 0.01356 0.00680 -0.0052 0.7140 0.6229
-2.000 -0.0846 0.01354 0.00672 -0.0043 0.7001 0.6361
-1.500 -0.0333 0.01348 0.00661 -0.0027 0.6711 0.6609
-1.250 -0.0057 0.01347 0.00662 -0.0022 0.6573 0.6723
-1.000 0.0193 0.01346 0.00655 -0.0013 0.6427 0.6853
-0.750 0.0457 0.01347 0.00660 -0.0007 0.6280 0.6968
-0.500 0.0717 0.01350 0.00655 0.0000 0.6145 0.7098
-0.250 0.0972 0.01353 0.00661 0.0008 0.5996 0.7225
0.000 0.1232 0.01358 0.00665 0.0015 0.5858 0.7350
0.250 0.1488 0.01366 0.00666 0.0023 0.5726 0.7483
0.500 0.1749 0.01372 0.00678 0.0030 0.5581 0.7601
0.750 0.1991 0.01383 0.00681 0.0040 0.5455 0.7747
1.000 0.2265 0.01396 0.00696 0.0045 0.5318 0.7862
1.250 0.2511 0.01407 0.00707 0.0054 0.5185 0.7999
1.500 0.2777 0.01428 0.00720 0.0060 0.5057 0.8120
1.750 0.3026 0.01441 0.00737 0.0070 0.4915 0.8246
2.000 0.3271 0.01462 0.00753 0.0080 0.4782 0.8381
2.250 0.3538 0.01488 0.00773 0.0086 0.4643 0.8493
2.500 0.3757 0.01506 0.00793 0.0101 0.4506 0.8644
2.750 0.4059 0.01545 0.00826 0.0101 0.4371 0.8737
3.000 0.4286 0.01569 0.00845 0.0115 0.4245 0.8871
3.250 0.4614 0.01607 0.00882 0.0108 0.4114 0.8946
3.500 0.4843 0.01636 0.00900 0.0120 0.4003 0.9071
3.750 0.5213 0.01674 0.00939 0.0104 0.3868 0.9125
4.000 0.5520 0.01711 0.00968 0.0099 0.3752 0.9214
4.250 0.5846 0.01742 0.00995 0.0090 0.3627 0.9290
4.500 0.6257 0.01782 0.01032 0.0063 0.3505 0.9335
4.750 0.6513 0.01813 0.01055 0.0066 0.3408 0.9445
5.000 0.6979 0.01851 0.01092 0.0027 0.3291 0.9471
5.250 0.7399 0.01895 0.01122 -0.0004 0.3189 0.9513
5.500 0.7726 0.01920 0.01154 -0.0017 0.3090 0.9596
5.750 0.8115 0.01961 0.01182 -0.0043 0.2995 0.9646
6.000 0.8525 0.01989 0.01215 -0.0073 0.2895 0.9698
6.250 0.8841 0.02030 0.01246 -0.0086 0.2813 0.9776
6.500 0.9267 0.02053 0.01275 -0.0120 0.2719 0.9816
6.750 0.9638 0.02091 0.01304 -0.0145 0.2632 0.9874
7.000 1.0017 0.02115 0.01335 -0.0171 0.2545 0.9927
7.250 1.0400 0.02151 0.01363 -0.0200 0.2462 0.9975
7.500 1.0648 0.02169 0.01389 -0.0201 0.2382 1.0000
7.750 1.0665 0.02192 0.01409 -0.0160 0.2328 1.0000
8.000 1.0667 0.02213 0.01432 -0.0116 0.2273 1.0000
8.250 1.0636 0.02228 0.01452 -0.0064 0.2218 1.0000
8.500 1.0521 0.02246 0.01468 0.0002 0.2176 1.0000
8.750 1.0429 0.02271 0.01492 0.0063 0.2132 1.0000
9.000 1.0401 0.02295 0.01522 0.0112 0.2072 1.0000
9.250 1.0353 0.02335 0.01559 0.0162 0.2011 1.0000
9.500 1.0361 0.02378 0.01605 0.0201 0.1934 1.0000
9.750 1.0342 0.02442 0.01665 0.0242 0.1851 1.0000
10.000 1.0361 0.02512 0.01734 0.0275 0.1738 1.0000
10.250 1.0364 0.02608 0.01825 0.0306 0.1607 1.0000
10.500 1.0361 0.02730 0.01941 0.0333 0.1455 1.0000
10.750 1.0346 0.02882 0.02085 0.0357 0.1303 1.0000
11.000 1.0326 0.03058 0.02253 0.0378 0.1189 1.0000
11.250 1.0319 0.03243 0.02434 0.0394 0.1112 1.0000
11.500 1.0309 0.03445 0.02634 0.0408 0.1062 1.0000
11.750 1.0325 0.03641 0.02831 0.0417 0.1024 1.0000
12.000 1.0320 0.03864 0.03055 0.0425 0.0997 1.0000
12.250 1.0319 0.04094 0.03287 0.0431 0.0978 1.0000
12.500 1.0343 0.04311 0.03510 0.0435 0.0960 1.0000
12.750 1.0360 0.04542 0.03746 0.0437 0.0944 1.0000
13.000 1.0370 0.04787 0.03994 0.0439 0.0932 1.0000
13.250 1.0375 0.05041 0.04250 0.0439 0.0921 1.0000
13.500 1.0384 0.05294 0.04503 0.0439 0.0911 1.0000
13.750 1.0418 0.05525 0.04735 0.0439 0.0903 1.0000
14.000 1.0469 0.05742 0.04958 0.0438 0.0895 1.0000
14.250 1.0527 0.05954 0.05174 0.0437 0.0888 1.0000
14.500 1.0588 0.06164 0.05388 0.0436 0.0881 1.0000
14.750 1.0656 0.06366 0.05593 0.0435 0.0874 1.0000
15.000 1.0733 0.06559 0.05788 0.0434 0.0868 1.0000
15.250 1.0813 0.06747 0.05978 0.0433 0.0862 1.0000
15.500 1.0904 0.06922 0.06155 0.0432 0.0857 1.0000
15.750 1.1004 0.07086 0.06320 0.0432 0.0852 1.0000
16.000 1.1116 0.07234 0.06467 0.0432 0.0847 1.0000
16.250 1.1244 0.07361 0.06592 0.0434 0.0843 1.0000
16.500 1.1397 0.07454 0.06682 0.0437 0.0839 1.0000
16.750 1.1571 0.07518 0.06744 0.0442 0.0834 1.0000
17.000 1.1664 0.07701 0.06932 0.0440 0.0832 1.0000
17.250 1.1730 0.07921 0.07161 0.0436 0.0829 1.0000
17.500 1.1786 0.08156 0.07406 0.0431 0.0827 1.0000
17.750 1.1829 0.08410 0.07671 0.0424 0.0824 1.0000
18.000 1.1862 0.08679 0.07950 0.0416 0.0822 1.0000
18.250 1.1880 0.08969 0.08252 0.0407 0.0820 1.0000
18.500 1.1881 0.09286 0.08581 0.0397 0.0818 1.0000
18.750 1.1867 0.09628 0.08936 0.0384 0.0817 1.0000
19.000 1.1818 0.10025 0.09347 0.0369 0.0817 1.0000
19.250 1.1731 0.10483 0.09823 0.0349 0.0817 1.0000
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