Theoretical and Experimental Study on Rapid Decompression Oscillation in Altitude Chamber

Table 2

Orthogonal experimental design.

Test	Pipe diameter	Differential pressure	Equilibrium pressure	Decompression time	Maximum oscillation value
①	800 mm	60 kPa	16.17 kPa	121 ms	0.32 kPa
②	800 mm	60 kPa	11.18 kPa	128 ms	0.21 kPa
③	800 mm	60 kPa	6.18 kPa	115 ms	0.76 kPa
④	600 mm	60 kPa	4.28 kPa	133 ms	0.71 kPa
⑤	600 mm	34.5 kPa	8.30 kPa	143 ms	0.54 kPa
⑥	600 mm	50 kPa	15.98 kPa	139 ms	0.56 kPa
⑦	500 mm	55 kPa	16.08 kPa	209 ms	0.51 kPa
⑧	500 mm	58 kPa	32.14 kPa	170 ms	1.46 kPa
⑨	500 mm	40.5 kPa	18.29 kPa	188 ms	0.66 kPa