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Copy pathDU21_A17.dat
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DU21_A17.dat
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DU21 airfoil with an aspect ratio of 17. Original -180 to 180deg Cl, Cd, and Cm versus AOA data taken from Appendix A of DOWEC document 10046_009.pdf (numerical values obtained from Koert Lindenburg of ECN). Cl and Cd values corrected for rotational stall delay and Cd values corrected using the Viterna method for 0 to 90deg AOA by Jason Jonkman using AirfoilPrep_v2p0.xls.
0.0
0.0
-180.00 0.000 0.0185 0.0000
-175.00 0.394 0.0332 0.1978
-160.00 0.670 0.2809 0.2738
-155.00 0.749 0.3932 0.3118
-150.00 0.797 0.5112 0.3413
-145.00 0.818 0.6309 0.3636
-140.00 0.813 0.7485 0.3799
-135.00 0.786 0.8612 0.3911
-130.00 0.739 0.9665 0.3980
-125.00 0.675 1.0625 0.4012
-120.00 0.596 1.1476 0.4014
-115.00 0.505 1.2206 0.3990
-110.00 0.403 1.2805 0.3943
-105.00 0.294 1.3265 0.3878
-100.00 0.179 1.3582 0.3796
-95.00 0.060 1.3752 0.3700
-90.00 -0.060 1.3774 0.3591
-85.00 -0.179 1.3648 0.3471
-80.00 -0.295 1.3376 0.3340
-75.00 -0.407 1.2962 0.3199
-70.00 -0.512 1.2409 0.3049
-65.00 -0.608 1.1725 0.2890
-60.00 -0.693 1.0919 0.2722
-55.00 -0.764 1.0002 0.2545
-50.00 -0.820 0.8990 0.2359
-45.00 -0.857 0.7900 0.2163
-40.00 -0.875 0.6754 0.1958
-35.00 -0.869 0.5579 0.1744
-30.00 -0.838 0.4405 0.1520
-25.00 -0.791 0.3256 0.1262
-24.00 -0.794 0.3013 0.1170
-23.00 -0.805 0.2762 0.1059
-22.00 -0.821 0.2506 0.0931
-21.00 -0.843 0.2246 0.0788
-20.00 -0.869 0.1983 0.0631
-19.00 -0.899 0.1720 0.0464
-18.00 -0.931 0.1457 0.0286
-17.00 -0.964 0.1197 0.0102
-16.00 -0.999 0.0940 -0.0088
-15.00 -1.033 0.0689 -0.0281
-14.50 -1.050 0.0567 -0.0378
-12.01 -0.953 0.0271 -0.0349
-11.00 -0.900 0.0303 -0.0361
-9.98 -0.827 0.0287 -0.0464
-8.12 -0.536 0.0124 -0.0821
-7.62 -0.467 0.0109 -0.0924
-7.11 -0.393 0.0092 -0.1015
-6.60 -0.323 0.0083 -0.1073
-6.50 -0.311 0.0089 -0.1083
-6.00 -0.245 0.0082 -0.1112
-5.50 -0.178 0.0074 -0.1146
-5.00 -0.113 0.0069 -0.1172
-4.50 -0.048 0.0065 -0.1194
-4.00 0.016 0.0063 -0.1213
-3.50 0.080 0.0061 -0.1232
-3.00 0.145 0.0058 -0.1252
-2.50 0.208 0.0057 -0.1268
-2.00 0.270 0.0057 -0.1282
-1.50 0.333 0.0057 -0.1297
-1.00 0.396 0.0057 -0.1310
-0.50 0.458 0.0057 -0.1324
0.00 0.521 0.0057 -0.1337
0.50 0.583 0.0057 -0.1350
1.00 0.645 0.0058 -0.1363
1.50 0.706 0.0058 -0.1374
2.00 0.768 0.0059 -0.1385
2.50 0.828 0.0061 -0.1395
3.00 0.888 0.0063 -0.1403
3.50 0.948 0.0066 -0.1406
4.00 0.996 0.0071 -0.1398
4.50 1.046 0.0079 -0.1390
5.00 1.095 0.0090 -0.1378
5.50 1.145 0.0103 -0.1369
6.00 1.192 0.0113 -0.1353
6.50 1.239 0.0122 -0.1338
7.00 1.283 0.0131 -0.1317
7.50 1.324 0.0139 -0.1291
8.00 1.358 0.0147 -0.1249
8.50 1.385 0.0158 -0.1213
9.00 1.403 0.0181 -0.1177
9.50 1.401 0.0211 -0.1142
10.00 1.358 0.0255 -0.1103
10.50 1.313 0.0301 -0.1066
11.00 1.287 0.0347 -0.1032
11.50 1.274 0.0401 -0.1002
12.00 1.272 0.0468 -0.0971
12.50 1.273 0.0545 -0.0940
13.00 1.273 0.0633 -0.0909
13.50 1.273 0.0722 -0.0883
14.00 1.272 0.0806 -0.0865
14.50 1.273 0.0900 -0.0854
15.00 1.275 0.0987 -0.0849
15.50 1.281 0.1075 -0.0847
16.00 1.284 0.1170 -0.0850
16.50 1.296 0.1270 -0.0858
17.00 1.306 0.1368 -0.0869
17.50 1.308 0.1464 -0.0883
18.00 1.308 0.1562 -0.0901
18.50 1.308 0.1664 -0.0922
19.00 1.308 0.1770 -0.0949
19.50 1.307 0.1878 -0.0980
20.00 1.311 0.1987 -0.1017
20.50 1.325 0.2100 -0.1059
21.00 1.324 0.2214 -0.1105
22.00 1.277 0.2499 -0.1172
23.00 1.229 0.2786 -0.1239
24.00 1.182 0.3077 -0.1305
25.00 1.136 0.3371 -0.1370
26.00 1.093 0.3664 -0.1433
28.00 1.017 0.4246 -0.1556
30.00 0.962 0.4813 -0.1671
32.00 0.937 0.5356 -0.1778
35.00 0.947 0.6127 -0.1923
40.00 0.950 0.7396 -0.2154
45.00 0.928 0.8623 -0.2374
50.00 0.884 0.9781 -0.2583
55.00 0.821 1.0846 -0.2782
60.00 0.740 1.1796 -0.2971
65.00 0.646 1.2617 -0.3149
70.00 0.540 1.3297 -0.3318
75.00 0.425 1.3827 -0.3476
80.00 0.304 1.4202 -0.3625
85.00 0.179 1.4423 -0.3763
90.00 0.053 1.4512 -0.3890
95.00 -0.073 1.4480 -0.4004
100.00 -0.198 1.4294 -0.4105
105.00 -0.319 1.3954 -0.4191
110.00 -0.434 1.3464 -0.4260
115.00 -0.541 1.2829 -0.4308
120.00 -0.637 1.2057 -0.4333
125.00 -0.720 1.1157 -0.4330
130.00 -0.787 1.0144 -0.4294
135.00 -0.836 0.9033 -0.4219
140.00 -0.864 0.7845 -0.4098
145.00 -0.869 0.6605 -0.3922
150.00 -0.847 0.5346 -0.3682
155.00 -0.795 0.4103 -0.3364
160.00 -0.711 0.2922 -0.2954
175.00 -0.394 0.0334 -0.1978
180.00 0.000 0.0185 0.0000