Response Analysis of an Experimental Study on the Effect of Speed and Premixed Fuel Ratio on Performance and Emissions in RCCI Engine

Table 5

Estimated model coefficients for means.

Term	Coef	SE coef	T	value
Constant	35.3149	5.528	6.389	0.003
Speed 2200	−19.5536	7.817	−2.501	0.067
Speed 2600	0.1433	7.817	0.018	0.986
PMF ratio	−10.4077	7.817	−1.331	0.254
PMF ratio 25/75	23.2699	7.817	2.977	0.041

S = 16.5833; R-Sq = 81.11%; R-Sq (adj) = 62.22%.