A Complex Evaluation and Optimization Approach for Oxygen-Enriched Combustion Characteristics of Blended Fuels Based on Response Surface Methodology

Table 6

Comprehensive evaluation of R² of burnout temperature.

Model	Standard deviation	R^2	R^2 corrected value	R^2 predicted value	Predicted residual sum of squares	Scheme selection
Linear model	22.88	0.8349	0.8134	0.6525	12953.47
2FI	11.92	0.9437	0.9391	0.9142	3388.57
Quadratic equation	8.02	0.9817	0.9799	0.9547	3446.29	Recommended
Cubic equation	7.34	0.9917	0.9807	0.07831	34337.29	Poor