Data 22

Table 22. RMS - velocity pulsations (U', m/s). U₀ =10 m/s, 98-70,
rib - 3mm, Tu₀ =8%
x,y (mm)

y	x=32	x=97	x=162	x=227	x=292	x=324	x=356
1	2,09	1,68	2,32	2,57
2	2,09	1,80	1,86	2,45		3,25
3	1,86	1,39	1,57	1,97	3,14	2,90	3,72
4	1,74	1,10	1,34	2,09	2,86	2,68	2,90
5	1,74	1,10	1,34	2,03	2,38	2,68	2,90
6	1,22	0,88	1,22	1,86	2,80	2,57	2,57
7	1,16	0,82	1,22	1,74	2,68	2,09	2,26
8	1,10	0,79	1,16	1,51	2,09	2,03	2,21
9	1,00	0,84	1,06	1,45	1,92	2,15	2,03
10	1,00	0,79	0,91	1,45	1,74	2,03	2,03
12	0,88	0,77	0,88	1,09	1,68	1,51	1,80
15	0,72	0,74	0,82	1,00	1,28	1,45	1,57
20	0,79	0,77	0,82	0,82	1,00	1,10	1,22
25	0,74	0,77	0,77	0,77	0,82	0,88	0,88

The RMS value of pulsations was corrected until the measured level of turbulence at the channel entrance coincided with the hot-wire data. In our estimates, this leads to an increase in the error of (u')- determination up to 20-25%.