Experimental Quantification of Local Pressure Loss at a 90° Bend in Low-Pressure Dilute-Phase Pneumatic Conveying of Coarse Particles

Table 1

Analysis of nonlinear regression.

Model：
Terms	Estimate	Standard error	R^2
a	4.452	0.161	0.921
b	0.593	0.035
c	6.55	0.022
d	88.66	0.068
n	1.25	0.083
ANOVA for significance of regression (adj-R^2 = 0.904)
Source	DF	Sum of squares	Mean square	F value	p value
Model	5	4.674	0.9348	45495.96	0.000
Residual error	43	0.001	2.57 × 10^−5
Total	48	4.675