Structure Optimization of Rib Drill Pipe Based on Gas-Solid Coupling and Orthogonal Experiment

Table 5

Simulation result.

	Factor
Level	A pitch (mm)	B blade height (mm)	C blade width (mm)	Error term	Total slag mass (kg)
1	80	3	15	1	0.0440074
2	80	5	27	2	0.0403255
3	80	7	24	3	0.0379504
4	80	9	21	4	0.0333134
5	80	11	18	5	0.033125
6	90	3	27	4	0.0442399
7	90	5	24	5	0.0427634
8	90	7	21	1	0.0419654
9	90	9	18	2	0.034878
10	90	11	15	3	0.0333134
11	100	3	24	5	0.0465584
12	100	5	21	1	0.0439257
13	100	7	18	2	0.0399736
14	100	9	15	3	0.0375672
15	100	11	27	4	0.032415
16	110	3	21	3	0.0470359
17	110	5	18	4	0.0463071
18	110	7	15	5	0.0448431
19	110	9	27	1	0.0418586
20	110	11	24	2	0.034702
21	120	3	18	2	0.0473878
22	120	5	15	3	0.0474946
23	120	7	27	4	0.0427634
24	120	9	24	5	0.0429393
25	120	11	21	1	0.0410229