Table 2 Initial pressure setting and actual test results of gas mixing.
From: Research and design of multiple gas mixing system in modified atmosphere packaging
Volume concentration setting (%V/V) | Gas partial pressure setting (K Pa) | Measured volume concentration (%V/V) | Relative deviation (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Number | CO2 | O2 | N2 | CO2 | O2 | N2 | CO2 | O2 | CO2 | O2 |
1 | 2 | 8 | 90 | 10 | 40 | 450 | 1.95 | 7.86 | 2.5 | 1.8 |
2 | 5 | 10 | 85 | 20 | 40 | 340 | 4.9 | 9.84 | 2 | 1.6 |
3 | 10 | 10 | 80 | 50 | 50 | 400 | 10.18 | 9.82 | 1.8 | 1.8 |
4 | 10 | 15 | 75 | 80 | 120 | 600 | 9.85 | 15.29 | 1.5 | 1.5 |
5 | 15 | 15 | 70 | 120 | 120 | 560 | 15.18 | 14.78 | 1.2 | 1.2 |
6 | 15 | 20 | 65 | 150 | 200 | 650 | 14.81 | 19.73 | 1.3 | 1.3 |
7 | 20 | 20 | 60 | 200 | 200 | 600 | 19.72 | 20.26 | 1.4 | 1.4 |
8 | 20 | 25 | 55 | 200 | 250 | 550 | 19.76 | 24.73 | 1.2 | 1.2 |
9 | 25 | 25 | 50 | 260 | 260 | 520 | 25.35 | 24.70 | 1.4 | 1.4 |
10 | 30 | 30 | 40 | 300 | 300 | 400 | 29.61 | 30.39 | 1.3 | 1.3 |
Average value | 1.56 | 1.45 | ||||||||
