Experimental Determination of Heat Transfer Coefficient in Stirred Vessel for Coal-Water Slurry Based on the Taguchi Method

Table 4

𝐿₉ (3⁴) standard orthogonal array.

Experiment; no.	Stirrer speed	Stirrer location	D/d ratio	C-w ratio
1	1	1	1	1
2	1	2	2	2
3	1	3	3	3
4	2	1	2	3
5	2	2	3	1
6	2	3	1	2
7	3	1	3	2
8	3	2	1	3
9	3	3	2	1