Displacement Effects of Boundary Layer on Potential Flow u(x,y) whBL● ctual Flow v(x,ye)≡ve(x) au (ue -u)dy-ye dr where =“(-) y)=uel Displacement Body Model ve(=) D:SPuaCMEM SonE W Flow tangent to displacement bod d or ve=d(ueA)-ye dr △=6 (by comparing with Actual Flow ve) xy)=4(x) Wall Blowing Mode v(2)=wa+/"a ay Wall (x) Flow NOT Uwall- ye a→wal= d(u,6”) (by comparing with Actual Flow)