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A18 (smoothed)
CAMBERED
OTHER FAMILIES
SELIG-DATABASE
THIN
A18 (smoothed)
Cambered · 7% thick · low-to-mid Re
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PROFILE
A18 (smoothed)
surface
camber line
BEST-FIT POLAR
Re 102k · M 0.09 · provisional
69 solved points
M 0.09
(L/D)max
21.4
α @ (L/D)max
4.5°
Cd,min
0.0197
Cl @ Cd,min
0.20
Cd₀ (Cl=0)
0.0401
Cl,max
0.98
α @ Cl,max
20.0°
Cm,0
-0.07
fit is derived from stored OpenFOAM evidence only
GEOMETRY · AREA METRICS
▾
max thickness
7.3% @ 27%c
max camber
3.8% @ 49%c
LE radius
0.58%c
area upper / chord
0.0505
area lower / chord
0.0005
area camber / chord
0.0255
TE thickness
0.61%c
DOWNLOAD COORDINATES
Selig .dat ↓
Lednicer ↓
XFOIL ↓
CSV coords ↓
DXF ↓
Cl–α
Cl–Cd
L/D–α
Cm–α
69 solved points
M 0.09–0.49
−
+
fit
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
-5
0
5
10
15
20
angle of attack α [deg]
Cl
POLARS
Re 102k · M 0.09 · 20
Re 307k · M 0.26 · 23
Re 566k · M 0.49 · 26
best-fit
alternate stored result · not in best-fit
repeated measurements differ · not in best-fit
needs URANS confirmation
post-stall → URANS
SOLVER WORK
0 conditions · 0 engine jobs
All 0
Attention 0
Solving 0
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