Application of Nontraditional Optimization Techniques for Airfoil Shape Optimization

Table 2

Optimized PARSEC parameters.

Parameter	Original value	Optimized value using SA	Optimized value using GA
(𝑅leu) upper leading edge radius	0.0155	0.0140	0.0145
(𝑅lel) lower leading edge radius	0.0155	0.0152	0.0160
(𝑋up) position of upper crest	0.296632	0.2500	0.2900
(𝑌up) upper crest point	0.060015	0.0605	0.0610
(𝑌𝑋𝑋up) upper crest curvature	−0.4515	−0.4600	−0.4480
(𝑋lo) position of lower crest	0.296632	0.2900	0.3100
(𝑌lo) lower crest point	−0.06055	−0.0590	−0.0590
(𝑌𝑋𝑋lo) lower crest curvature	0.453	0.4588	0.4599
(𝑇TE) trailing edge thickness	0	0	0
(𝑇off) trailing edge offset	0.001260	0.0011	0.0012
(𝛼TE) trailing edge direction angle	0	0	0
(𝛽TE) trailing edge wedge angle	7.36	7.300	7.2484