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

Table 3

Variation of as a function of the nominal gust frequency, , vent hole radius, , and volume of the air reservoir, .

(mm)	0.50	1.50	2.50	5.00	7.00	9.00	10.00	11.00	12.50
(Hz)
2.4	1013.6	113.9	41.2	10.1	5.3	3.2	2.5	2.1	1.7
4.0	1719.8	189.7	69.1	17.3	8.8	5.3	4.3	3.5	2.8
6.0	2575.1	288.1	103.9	25.9	13.3	8.0	6.5	5.4	4.2
7.7	3312.6	367.7	132.8	33.4	16.9	10.3	8.3	6.9	5.3
2.4	517.4	57.5	20.9	5.2	2.6	1.6	1.3	1.1	0.8
4.0	848.6	94.4	34.1	8.5	4.3	2.6	2.1	1.8	1.4
6.0	1286.4	143.4	51.1	12.9	6.6	3.9	3.2	2.7	2.0
7.7	1623.7	180.8	65.3	16.2	8.3	5.0	4.1	3.4	2.6
2.4	295.6	32.2	11.7	3.0	1.5	0.9	0.7	0.6	0.5
4.0	478.3	53.0	19.1	4.8	2.4	1.5	1.2	1.0	0.8
6.0	722.0	80.6	29.1	7.2	3.7	2.2	1.8	1.5	1.2
7.7	910.4	101.3	36.7	9.1	4.7	2.8	2.3	1.9	1.5
2.4	153.4	17.3	6.2	1.5	0.8	0.5	0.4	0.3	0.3
4.0	255.7	28.5	10.1	2.6	1.3	0.8	0.6	0.5	0.4
6.0	386.9	42.7	15.3	3.9	2.0	1.2	1.0	0.8	0.6
7.7	488.8	54.1	19.5	4.9	2.5	1.5	1.2	1.0	0.8
2.4	76.0	8.4	3.0	0.8	0.4	0.2	0.2	0.2	0.1
4.0	122.8	13.7	5.0	1.2	0.6	0.4	0.3	0.3	0.2
6.0	187.9	20.8	7.6	1.9	1.0	0.6	0.5	0.4	0.3
7.7	238.7	26.5	9.6	2.4	1.2	0.7	0.6	0.5	0.4