NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=200,000 Ncrit=9
| Details | Polar file |
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Airfoil: NACA 65(4)-221 (naca654221-il) Reynolds number: 200,000 Max Cl/Cd: 50.18 at α=8° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-naca654221-il-200000.txt Download as CSV file: xf-naca654221-il-200000.csv |
XFOIL Version 6.96
Calculated polar for: NACA 65(4)-221
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
------ -------- --------- --------- -------- -------- --------
-17.500 -0.3357 0.14972 0.14646 -0.0424 1.0000 0.0844
-17.250 -0.8041 0.09222 0.08746 -0.0741 1.0000 0.0497
-17.000 -0.8099 0.08738 0.08253 -0.0754 1.0000 0.0493
-16.750 -0.8212 0.08245 0.07749 -0.0768 1.0000 0.0490
-16.500 -0.8407 0.07735 0.07221 -0.0780 1.0000 0.0487
-16.250 -0.8573 0.07277 0.06747 -0.0788 1.0000 0.0484
-16.000 -0.8739 0.06848 0.06298 -0.0792 1.0000 0.0481
-15.750 -0.8892 0.06463 0.05893 -0.0793 1.0000 0.0481
-15.500 -0.9018 0.06107 0.05516 -0.0790 1.0000 0.0480
-15.250 -0.9087 0.05795 0.05185 -0.0786 1.0000 0.0479
-15.000 -0.9159 0.05515 0.04885 -0.0779 1.0000 0.0481
-14.750 -0.9180 0.05259 0.04609 -0.0772 1.0000 0.0483
-14.500 -0.9160 0.05032 0.04365 -0.0765 1.0000 0.0484
-14.250 -0.9120 0.04824 0.04138 -0.0757 1.0000 0.0486
-14.000 -0.9046 0.04641 0.03940 -0.0749 1.0000 0.0488
-13.750 -0.9030 0.04529 0.03819 -0.0727 1.0000 0.0489
-13.500 -0.8739 0.04314 0.03581 -0.0753 0.9870 0.0492
-13.250 -0.8418 0.04134 0.03380 -0.0780 0.9783 0.0496
-13.000 -0.7885 0.04007 0.03258 -0.0806 0.9738 0.0509
-12.750 -0.7467 0.03900 0.03151 -0.0834 0.9664 0.0520
-12.500 -0.7065 0.03799 0.03043 -0.0862 0.9585 0.0532
-12.250 -0.6686 0.03716 0.02954 -0.0883 0.9486 0.0543
-12.000 -0.6357 0.03642 0.02872 -0.0898 0.9380 0.0556
-11.750 -0.6067 0.03576 0.02794 -0.0907 0.9277 0.0566
-11.500 -0.5827 0.03525 0.02751 -0.0903 0.9163 0.0582
-11.250 -0.5659 0.03455 0.02682 -0.0896 0.9055 0.0598
-11.000 -0.5523 0.03383 0.02603 -0.0885 0.8953 0.0616
-10.750 -0.5400 0.03307 0.02521 -0.0872 0.8851 0.0638
-10.500 -0.5308 0.03216 0.02427 -0.0857 0.8768 0.0658
-10.250 -0.5240 0.03110 0.02324 -0.0842 0.8676 0.0685
-10.000 -0.5159 0.03016 0.02222 -0.0826 0.8603 0.0723
-9.750 -0.5116 0.02898 0.02105 -0.0809 0.8525 0.0760
-9.500 -0.5073 0.02782 0.01987 -0.0791 0.8452 0.0829
-9.250 -0.5071 0.02650 0.01859 -0.0768 0.8390 0.0930
-9.000 -0.5142 0.02480 0.01712 -0.0740 0.8310 0.1200
-8.750 -0.5316 0.02271 0.01539 -0.0699 0.8242 0.1752
-8.250 -0.5693 0.01910 0.01242 -0.0606 0.8102 0.2873
-8.000 -0.5903 0.01766 0.01125 -0.0544 0.8045 0.3408
-7.750 -0.6137 0.01692 0.01084 -0.0470 0.7983 0.3954
-7.500 -0.6174 0.01665 0.01094 -0.0420 0.7923 0.4695
-7.250 -0.6042 0.01678 0.01113 -0.0393 0.7879 0.5108
-7.000 -0.5879 0.01690 0.01111 -0.0373 0.7844 0.5353
-6.750 -0.5682 0.01721 0.01137 -0.0360 0.7798 0.5526
-6.500 -0.5426 0.01773 0.01187 -0.0354 0.7753 0.5662
-6.250 -0.5161 0.01818 0.01227 -0.0348 0.7716 0.5774
-6.000 -0.4934 0.01857 0.01254 -0.0337 0.7684 0.5905
-5.750 -0.4568 0.01976 0.01376 -0.0339 0.7659 0.6027
-5.500 -0.4151 0.02139 0.01543 -0.0345 0.7630 0.6129
-5.250 -0.3864 0.02227 0.01630 -0.0341 0.7585 0.6222
-5.000 -0.3503 0.02324 0.01725 -0.0345 0.7548 0.6281
-4.750 -0.2992 0.02480 0.01880 -0.0364 0.7522 0.6304
-4.500 -0.2569 0.02573 0.01967 -0.0376 0.7498 0.6326
-4.250 -0.2634 0.02436 0.01815 -0.0341 0.7469 0.6447
-4.000 -0.2279 0.02493 0.01870 -0.0348 0.7442 0.6463
-3.750 -0.1958 0.02543 0.01920 -0.0352 0.7405 0.6479
-3.500 -0.1661 0.02570 0.01945 -0.0354 0.7369 0.6501
-3.250 -0.1769 0.02400 0.01761 -0.0319 0.7329 0.6621
-3.000 -0.1457 0.02410 0.01767 -0.0323 0.7306 0.6636
-2.750 -0.1143 0.02427 0.01780 -0.0327 0.7286 0.6652
-2.500 -0.0845 0.02447 0.01796 -0.0329 0.7266 0.6670
-2.250 -0.0640 0.02467 0.01820 -0.0323 0.7226 0.6697
-2.000 -0.0480 0.02444 0.01795 -0.0313 0.7189 0.6744
-1.750 -0.0400 0.02342 0.01681 -0.0301 0.7154 0.6813
-1.500 -0.0117 0.02342 0.01680 -0.0301 0.7130 0.6830
-1.250 0.0170 0.02343 0.01678 -0.0303 0.7110 0.6848
-1.000 0.0450 0.02343 0.01674 -0.0305 0.7093 0.6868
-0.750 0.0633 0.02361 0.01695 -0.0298 0.7060 0.6895
-0.500 0.0767 0.02374 0.01711 -0.0285 0.7016 0.6935
-0.250 0.0932 0.02332 0.01659 -0.0283 0.6981 0.6993
0.000 0.1199 0.02326 0.01654 -0.0283 0.6957 0.7009
0.250 0.1470 0.02325 0.01653 -0.0284 0.6937 0.7026
0.500 0.1750 0.02325 0.01652 -0.0286 0.6921 0.7046
0.750 0.2038 0.02328 0.01654 -0.0290 0.6906 0.7071
1.000 0.2013 0.02433 0.01771 -0.0256 0.6835 0.7109
1.250 0.2193 0.02448 0.01786 -0.0250 0.6797 0.7146
1.500 0.2442 0.02438 0.01770 -0.0255 0.6774 0.7184
1.750 0.2725 0.02434 0.01769 -0.0258 0.6758 0.7202
2.000 0.3025 0.02429 0.01766 -0.0262 0.6742 0.7222
2.250 0.3340 0.02424 0.01763 -0.0269 0.6728 0.7246
2.500 0.2946 0.02681 0.02035 -0.0188 0.6607 0.7288
2.750 0.3259 0.02666 0.02019 -0.0196 0.6589 0.7321
3.000 0.3598 0.02641 0.01993 -0.0210 0.6575 0.7355
3.250 0.3961 0.02608 0.01960 -0.0226 0.6564 0.7383
3.500 0.4309 0.02583 0.01939 -0.0236 0.6553 0.7404
3.750 0.4670 0.02563 0.01922 -0.0248 0.6542 0.7427
4.000 0.3172 0.03274 0.02644 -0.0042 0.6249 0.7490
4.250 0.3501 0.03251 0.02623 -0.0050 0.6230 0.7528
4.500 0.3892 0.03198 0.02570 -0.0066 0.6219 0.7565
4.750 0.4289 0.03126 0.02507 -0.0079 0.6212 0.7589
5.000 0.4716 0.03042 0.02430 -0.0094 0.6208 0.7614
5.250 0.5193 0.02949 0.02345 -0.0116 0.6206 0.7642
5.500 0.5726 0.02851 0.02253 -0.0149 0.6203 0.7672
5.750 0.6281 0.02731 0.02138 -0.0185 0.6198 0.7708
6.000 0.6728 0.02644 0.02055 -0.0208 0.6170 0.7751
6.250 0.5790 0.03099 0.02518 -0.0060 0.5970 0.7805
6.500 0.6330 0.02913 0.02341 -0.0083 0.5961 0.7838
6.750 0.6914 0.02729 0.02166 -0.0115 0.5948 0.7872
7.000 0.8055 0.02318 0.01757 -0.0219 0.5927 0.7896
7.250 0.8886 0.02010 0.01434 -0.0287 0.5828 0.7930
7.500 0.8919 0.02001 0.01439 -0.0246 0.5714 0.7976
7.750 0.9132 0.01941 0.01386 -0.0230 0.5604 0.8017
8.000 0.9414 0.01876 0.01322 -0.0225 0.5494 0.8067
8.250 0.9371 0.01891 0.01348 -0.0176 0.5377 0.8138
8.500 0.9397 0.01891 0.01358 -0.0133 0.5255 0.8185
8.750 0.9437 0.01908 0.01382 -0.0096 0.5101 0.8247
9.000 0.9464 0.01950 0.01427 -0.0064 0.4911 0.8322
9.250 0.9484 0.01986 0.01464 -0.0027 0.4671 0.8382
9.500 0.9468 0.02058 0.01525 0.0010 0.4299 0.8463
9.750 0.9375 0.02171 0.01612 0.0055 0.3826 0.8542
10.000 0.9217 0.02344 0.01760 0.0101 0.3393 0.8635
10.250 0.9033 0.02551 0.01944 0.0145 0.2978 0.8726
10.500 0.8873 0.02771 0.02145 0.0182 0.2588 0.8832
10.750 0.8691 0.03004 0.02358 0.0221 0.2199 0.8938
11.000 0.8519 0.03260 0.02590 0.0253 0.1771 0.9064
11.250 0.8360 0.03531 0.02835 0.0281 0.1322 0.9214
11.500 0.8247 0.03806 0.03084 0.0300 0.0958 0.9394
11.750 0.8269 0.04084 0.03349 0.0292 0.0775 0.9606
12.000 0.8350 0.04313 0.03574 0.0279 0.0687 1.0000
12.250 0.8453 0.04507 0.03769 0.0272 0.0635 1.0000
12.500 0.8523 0.04723 0.03977 0.0269 0.0602 1.0000
12.750 0.8636 0.04898 0.04154 0.0265 0.0572 1.0000
13.000 0.8747 0.05069 0.04325 0.0262 0.0546 1.0000
13.250 0.8845 0.05241 0.04487 0.0263 0.0527 1.0000
13.500 0.8987 0.05376 0.04624 0.0263 0.0512 1.0000
13.750 0.9136 0.05504 0.04754 0.0263 0.0497 1.0000
14.000 0.9290 0.05624 0.04874 0.0264 0.0482 1.0000
14.250 0.9464 0.05722 0.04967 0.0265 0.0471 1.0000
14.500 0.9724 0.05742 0.04972 0.0269 0.0458 1.0000
14.750 0.9887 0.05866 0.05108 0.0270 0.0449 1.0000
15.000 1.0055 0.05989 0.05239 0.0270 0.0438 1.0000
15.250 1.0235 0.06104 0.05360 0.0270 0.0428 1.0000
15.500 1.0426 0.06214 0.05474 0.0271 0.0421 1.0000
15.750 1.0625 0.06323 0.05586 0.0271 0.0414 1.0000
16.000 1.0875 0.06406 0.05667 0.0271 0.0406 1.0000
16.250 1.1243 0.06463 0.05721 0.0270 0.0400 1.0000
16.500 1.1367 0.06672 0.05947 0.0270 0.0398 1.0000
16.750 1.1415 0.06928 0.06224 0.0271 0.0395 1.0000
17.000 1.1481 0.07186 0.06501 0.0270 0.0395 1.0000
17.250 1.1460 0.07508 0.06846 0.0268 0.0392 1.0000
17.500 1.1424 0.07854 0.07215 0.0265 0.0391 1.0000
17.750 1.1369 0.08224 0.07607 0.0260 0.0389 1.0000
18.000 1.1294 0.08630 0.08035 0.0253 0.0389 1.0000
18.250 1.1173 0.09092 0.08521 0.0243 0.0388 1.0000
18.500 1.1045 0.09584 0.09035 0.0230 0.0389 1.0000
18.750 1.0854 0.10151 0.09626 0.0210 0.0387 1.0000
19.000 1.0686 0.10731 0.10228 0.0188 0.0389 1.0000
19.250 1.0469 0.11400 0.10919 0.0159 0.0391 1.0000
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