Table 3.
Results of ANOVA analysis for the quadratic models of argon, air, and nitrogen.
df | Sum of squares | Mean square | F-value | p-value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
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Ar | Air | N2 | Ar | Air | N2 | Ar | Air | N2 | Ar | Air | N2 | ||
Model | 9 | 11.54 | 14.65 | 19.84 | 1.28 | 1.63 | 2.2 | 7.5 | 9.16 | 23.9 | 0.0073** | 0.004** | 0.0002** |
Mass | 2.49 | 6.61 | 11.08 | 2.49 | 6.61 | 11.08 | 14.54 | 37.16 | 120.18 | 0.0066** | 0.0005** | <0.0001** | |
Time | 0.93 | 3.06 | 1.28 | 0.93 | 3.06 | 1.28 | 5.43 | 17.19 | 13.85 | 0.0526* | 0.0043** | 0.0074** | |
Flow rate | 0.45 | 0.17 | 3.07 | 0.45 | 0.17 | 3.07 | 2.65 | 0.98 | 33.28 | 0.1475 | 0.355 | 0.0007** | |
Mass × Time | 1.01 | 1.43 | 1.56 | 1.01 | 1.43 | 1.56 | 5.93 | 8.05 | 16.95 | 0.0451** | 0.0251** | 0.0045** | |
Mass × Flow rate | 0.34 | 0.03 | 0.97 | 0.34 | 0.03 | 0.97 | 1.97 | 0.15 | 10.53 | 0.2037 | 0.7102 | 0.0142** | |
Time × Flow rate | 0.3 | 0.14 | 0.35 | 0.3 | 0.14 | 0.35 | 1.73 | 0.78 | 3.76 | 0.2297 | 0.4074 | 0.0937* | |
Mass2 | 0.89 | 2.41 | 1.39 | 0.89 | 2.41 | 1.39 | 5.19 | 13.53 | 15.12 | 0.0568* | 0.0079** | 0.0060** | |
Time2 | 5.18 | 0.01 | 0 | 5.18 | 0.01 | 0 | 30.28 | 0.06 | 0 | 0.0009** | 0.8121 | 0.9816 | |
Flow rate2 | 0.11 | 0.67 | 0.17 | 0.11 | 0.67 | 0.17 | 0.66 | 3.77 | 1.88 | 0.4425 | 0.0932* | 0.2124 | |
Residual | 7 | 1.2 | 1.24 | 0.65 | 0.17 | 0.18 | 0.09 | ||||||
Lack of Fit | 3 | 0.52 | 0.71 | 0.27 | 0.17 | 0.24 | 0.09 | 1.03 | 1.75 | 0.93 | 0.4698 | 0.2955 | 0.5023 |
Pure Error | 4 | 0.68 | 0.54 | 0.38 | 0.17 | 0.13 | 0.09 | ||||||
Cor Total | 16 | 12.74 | 15.9 | 20.48 |
**Significant with p < 0.05, *Significant with p < 0.1