APPENDIX B 

 LEADING-EDGE SOURCE 



We assume the normal velocity on the foil cavity near the leading edge has the 



form 



a, h a„ + a„x = b. 



1 r- 2 3 i 

 vx 



We solve for a.. , a„, and a„ with three points of x 



x = 0.025, 0.05, and 0.1 



i, + a + a 0.025 = b 



/0.025 ' 



u — — — + a + a 0.05 = b„ 

 1 /0T05 2 3 2 



^ + a 2+ a 3 0.1 =b 3 



'0.1 



Then with the determinant 



D = 



/0.025 



/0.05 



'0.1 



1 



0.025 



1 



0.05 



1 



0.1 



= 0.0598745 



we obtain 



81 



