Experimental and Theoretical Study of Internal Pressure Loads on Boundary Walls under Gusty Wind Conditions

Table 4

Positive pressure jumps. Values of the total pressure loss coefficient, , and flow coefficient, , as a function of the nominal gust frequency, , and vent hole radius , 11, and 12.5 mm; reservoir volume , 0.011 m³, 0.0062 m³, 0.0033 m³, and 0.0016 m³.

(mm)	9.00		11.00		12.50
(Hz)
2.4	0.5	1.36	4.8	0.46	11.4	0.30
4.0	1.2	0.90	4.6	0.47	12.0	0.29
6.0	1.4	0.84	6.4	0.40	14.3	0.26
7.7	1.6	0.78	7.3	0.37	15.2	0.26
2.4	6.8	0.38	27.0	0.19	33.8	0.17
4.0	7.0	0.38	28.2	0.19	55.9	0.13
6.0	7.7	0.36	29.7	0.18	58.9	0.13
7.7	11.5	0.29	35.7	0.17	66.4	0.12
2.4	37.6	0.16	113.9	0.09	153.0	0.08
4.0	27.0	0.19	117.8	0.09	154.9	0.08
6.0	32.5	0.18	120.6	0.09	156.7	0.08
7.7	38.2	0.16	129.6	0.09	215.9	0.07
2.4	6.2	0.40	138.4	0.08	252.8	0.06
4.0	16.4	0.25	141.2	0.08	258.8	0.06
6.0	22.2	0.21	146.5	0.08	270.7	0.06
7.7	25.5	0.20	202.6	0.07	282.3	0.06
2.4	6.7	0.39	13.8	0.27	5.6	0.42
4.0	28.9	0.19	75.5	0.12	74.0	0.12
6.0	39.7	0.16	86.0	0.11	80.7	0.11
7.7	74.9	0.12	122.0	0.09	96.9	0.10