Table 2. Velocity profiles (U, m/s). U0 =10 m/s, 98-open,
rib - 3mm, Tu0 =1%
x,y (mm)

yx=40x=80x=120x=160x=200x=240x=280
00,00 0,00 0,000,00 0,00 0,00 0,00
11,28 2,46 2,762,18 1,71 1,48 1,59
23,61 4,84 4,763,97 3,36 3,24 3,13
35,71 6,76 6,145,29 4,36 4,60 4,41
46,73 7,64 7,476,76 5,41 5,73 5,64
57,61 8,07 8,198,03 6,97 7,05 6,64
68,56 8,39 8,598,62 8,13 8,13 7,43
79,38 8,76 8,918,89 8,77 8,77 8,25
810,039,10 9,169,14 9,01 9,10 8,85
910,379,43 9,399,32 9,18 9,29 9,19
1010,479,73 9,609,47 9,30 9,42 9,43
1210,5010,229,999,79 9,59 9,70 9,76
1510,5010,4610,3310,159,95 10,0610,04
2010,5010,5010,4810,4510,3310,4410,36
2510,5010,5010,5010,5010,4810,5010,48
3010,5010,5010,5010,5010,5010,5010,50

Experimental data on friction coefficients in the boundary layer with combustion behind the barrier differ with the value of acceleration parameter. In acceleration-free experiments friction coefficients in the considered flow modes can be negative, null.