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NREL's S827 Airfoil (s827-nr) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: NREL's S827 Airfoil (s827-nr)
Reynolds number: 200,000
Max Cl/Cd: 35.6 at α=9.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s827-nr-200000.txt
Download as CSV file: xf-s827-nr-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NREL's S827 Airfoil                             
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -14.500  -0.2002   0.11686   0.11310  -0.1394   0.9456   0.0359
 -14.250  -0.2091   0.11112   0.10732  -0.1431   0.9405   0.0360
 -14.000  -0.2193   0.10624   0.10238  -0.1458   0.9353   0.0360
 -13.750  -0.2184   0.09918   0.09537  -0.1472   0.9328   0.0371
 -13.500  -0.2139   0.09549   0.09166  -0.1483   0.9295   0.0377
 -13.250  -0.2160   0.09207   0.08823  -0.1488   0.9243   0.0385
 -13.000  -0.2291   0.08747   0.08356  -0.1505   0.9199   0.0387
 -12.750  -0.2431   0.08312   0.07912  -0.1517   0.9164   0.0390
 -12.500  -0.2611   0.07950   0.07543  -0.1516   0.9107   0.0390
 -12.250  -0.2783   0.07592   0.07175  -0.1515   0.9063   0.0392
 -12.000  -0.2926   0.07267   0.06839  -0.1510   0.9029   0.0398
 -11.750  -0.3092   0.06992   0.06555  -0.1498   0.8982   0.0401
 -11.500  -0.3245   0.06731   0.06283  -0.1483   0.8940   0.0405
 -11.250  -0.3396   0.06474   0.06013  -0.1465   0.8905   0.0414
 -11.000  -0.3522   0.06261   0.05787  -0.1444   0.8872   0.0418
 -10.750  -0.3675   0.06078   0.05593  -0.1416   0.8827   0.0429
 -10.500  -0.3814   0.05912   0.05411  -0.1384   0.8789   0.0441
 -10.250  -0.3964   0.05824   0.05301  -0.1341   0.8757   0.0457
 -10.000  -0.4268   0.06007   0.05461  -0.1262   0.8705   0.0469
  -9.750  -0.4470   0.06156   0.05584  -0.1197   0.8659   0.0475
  -9.500  -0.4551   0.06089   0.05495  -0.1154   0.8632   0.0477
  -8.750  -0.2509   0.03479   0.02725  -0.1295   0.8661   0.0202
  -8.500  -0.1762   0.03375   0.02597  -0.1325   0.8667   0.0208
  -8.250  -0.1378   0.03365   0.02583  -0.1327   0.8657   0.0223
  -8.000  -0.1120   0.03354   0.02565  -0.1323   0.8643   0.0252
  -7.750  -0.0813   0.03382   0.02597  -0.1308   0.8633   0.0292
  -7.500  -0.0650   0.03363   0.02577  -0.1293   0.8619   0.0318
  -7.250  -0.0569   0.03316   0.02533  -0.1269   0.8605   0.0389
  -7.000  -0.0558   0.03315   0.02537  -0.1238   0.8578   0.0482
  -6.750  -0.0666   0.03291   0.02522  -0.1193   0.8546   0.0610
  -6.500  -0.0795   0.03232   0.02471  -0.1145   0.8514   0.0744
  -6.250  -0.0957   0.03156   0.02407  -0.1095   0.8490   0.0917
  -6.000  -0.1167   0.03052   0.02314  -0.1040   0.8470   0.1143
  -5.750  -0.6865   0.04878   0.04158  -0.0163   0.8927   0.0240
  -5.500  -0.6351   0.04617   0.03844  -0.0169   0.8926   0.0193
  -5.250  -0.5975   0.04556   0.03770  -0.0179   0.8915   0.0190
  -5.000  -0.5185   0.04542   0.03773  -0.0220   0.8927   0.0218
  -4.750  -0.5023   0.04526   0.03755  -0.0207   0.8907   0.0239
  -4.500  -0.4910   0.04511   0.03735  -0.0184   0.8893   0.0247
  -4.250  -0.5286   0.04387   0.03600  -0.0091   0.8826   0.0263
  -4.000  -0.5321   0.04270   0.03481  -0.0047   0.8783   0.0270
  -3.750  -0.5294   0.04126   0.03333  -0.0026   0.8760   0.0284
  -3.500  -0.5140   0.04056   0.03258  -0.0026   0.8748   0.0328
  -3.250  -0.5316   0.03890   0.03087   0.0041   0.8669   0.0323
  -3.000  -0.5135   0.03768   0.02957   0.0040   0.8639   0.0477
  -2.750  -0.4962   0.03442   0.02694   0.0016   0.8624   0.2224
  -2.500  -0.4699   0.03521   0.02892   0.0008   0.8611   0.5763
  -2.250  -0.4726   0.03514   0.02885   0.0059   0.8539   0.5875
  -2.000  -0.4468   0.03709   0.03089   0.0072   0.8502   0.6033
  -1.750  -0.3153   0.06390   0.05864   0.0237   0.8508   0.6829
  -1.500  -0.3067   0.06224   0.05689   0.0243   0.8482   0.6758
  -1.250  -0.3911   0.04189   0.03583   0.0144   0.8385   0.6310
  -1.000  -0.3635   0.04311   0.03696   0.0142   0.8356   0.6418
  -0.750  -0.3312   0.04386   0.03763   0.0129   0.8337   0.6429
  -0.500  -0.2938   0.04435   0.03798   0.0096   0.8326   0.6430
  -0.250  -0.3003   0.04315   0.03674   0.0140   0.8237   0.6434
   0.000  -0.2679   0.04336   0.03685   0.0120   0.8208   0.6439
   0.250  -0.2316   0.04393   0.03732   0.0094   0.8191   0.6444
   0.500  -0.1927   0.04491   0.03823   0.0062   0.8181   0.6450
   0.750  -0.1999   0.04366   0.03695   0.0108   0.8076   0.6457
   1.000  -0.1635   0.04416   0.03737   0.0081   0.8055   0.6463
   1.250  -0.1219   0.04509   0.03823   0.0047   0.8042   0.6470
   1.500  -0.1245   0.04417   0.03728   0.0083   0.7933   0.6478
   1.750  -0.0821   0.04476   0.03782   0.0049   0.7909   0.6487
   2.000  -0.0734   0.04440   0.03742   0.0068   0.7802   0.6497
   2.250  -0.0104   0.04350   0.03644   0.0017   0.7640   0.6509
   2.500   0.0144   0.04317   0.03606   0.0014   0.7529   0.6521
   2.750   0.0577   0.04310   0.03595  -0.0017   0.7496   0.6534
   3.000   0.1063   0.04314   0.03594  -0.0057   0.7479   0.6548
   3.250   0.1088   0.04309   0.03587  -0.0031   0.7368   0.6562
   3.500   0.1493   0.04311   0.03593  -0.0055   0.7348   0.6573
   3.750   0.1569   0.04332   0.03618  -0.0033   0.7247   0.6584
   4.000   0.1928   0.04335   0.03625  -0.0051   0.7220   0.6597
   4.250   0.2110   0.04358   0.03652  -0.0045   0.7145   0.6610
   4.500   0.2392   0.04364   0.03663  -0.0053   0.7098   0.6623
   4.750   0.2773   0.04352   0.03656  -0.0074   0.7075   0.6639
   5.000   0.3181   0.04338   0.03647  -0.0099   0.7061   0.6656
   5.250   0.3244   0.04373   0.03685  -0.0078   0.6950   0.6672
   5.500   0.3646   0.04342   0.03659  -0.0102   0.6931   0.6691
   5.750   0.4070   0.04305   0.03628  -0.0127   0.6918   0.6709
   6.000   0.4134   0.04337   0.03669  -0.0105   0.6803   0.6721
   6.250   0.4544   0.04281   0.03626  -0.0125   0.6786   0.6738
   6.500   0.4663   0.04305   0.03659  -0.0110   0.6681   0.6754
   6.750   0.5087   0.04218   0.03586  -0.0129   0.6657   0.6777
   7.000   0.5559   0.04097   0.03478  -0.0154   0.6642   0.6804
   9.000   0.7977   0.03190   0.02686  -0.0155   0.5822   0.7002
   9.250   0.8960   0.02517   0.01974  -0.0206   0.4737   0.7036
   9.500   0.8868   0.02660   0.02054  -0.0157   0.3803   0.7060
   9.750   0.8707   0.02881   0.02232  -0.0109   0.3097   0.7088
  10.000   0.8577   0.03112   0.02418  -0.0069   0.2418   0.7117
  10.250   0.8486   0.03337   0.02602  -0.0037   0.1777   0.7145
  10.500   0.8434   0.03546   0.02777  -0.0008   0.1241   0.7166
  10.750   0.8434   0.03733   0.02943   0.0014   0.0900   0.7192
  11.000   0.8449   0.03921   0.03116   0.0034   0.0706   0.7222
  11.250   0.8498   0.04095   0.03284   0.0050   0.0580   0.7256
  11.500   0.8604   0.04231   0.03424   0.0059   0.0490   0.7292
  11.750   0.8677   0.04387   0.03590   0.0074   0.0425   0.7320
  12.000   0.8756   0.04548   0.03750   0.0086   0.0363   0.7354
  12.250   0.8886   0.04684   0.03899   0.0095   0.0313   0.7396
  12.500   0.8999   0.04836   0.04049   0.0102   0.0271   0.7438
  12.750   0.9170   0.04966   0.04198   0.0111   0.0237   0.7474
  13.000   0.9335   0.05094   0.04339   0.0117   0.0215   0.7521
  13.250   0.9530   0.05268   0.04514   0.0118   0.0183   0.7574
  13.500   0.9656   0.05426   0.04701   0.0128   0.0165   0.7616
  13.750   0.9845   0.05607   0.04906   0.0132   0.0158   0.7668
  14.000   0.9985   0.05825   0.05145   0.0137   0.0150   0.7724
  14.250   1.0070   0.06074   0.05421   0.0147   0.0144   0.7770
  14.500   1.0126   0.06365   0.05739   0.0155   0.0142   0.7824
  14.750   1.0129   0.06708   0.06113   0.0165   0.0142   0.7875
  15.000   1.0072   0.07092   0.06531   0.0177   0.0141   0.7919
  15.250   0.9961   0.07543   0.07017   0.0188   0.0143   0.7968
  15.500   0.9724   0.08139   0.07657   0.0197   0.0148   0.8009
  15.750   0.9484   0.08732   0.08288   0.0200   0.0150   0.8043
  16.000   0.9343   0.09196   0.08773   0.0195   0.0147   0.8099
  16.250   0.8990   0.10058   0.09673   0.0179   0.0156   0.8130
  16.500   0.8751   0.10757   0.10397   0.0156   0.0157   0.8173
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