Effect of Airflow Field in the Tangential-Longitudinal Flow Threshing and Cleaning System on Harvesting Performance

Table 3

Orthogonal test results of cleaning performance.

Evaluating indicator	Condition 1	Condition 2	Condition 3	Condition 4	Condition 5	Condition 6	Condition 7	Condition 8	Condition 9	Condition 10	Condition 11	Condition 12	Condition 13	Condition 14	Condition 15	Condition 16
Loss rate	0.93	0.84	1.15	1.28	0.78	0.86	1.15	0.76	1.11	0.89	1.05	1.07	0.91	0.85	0.98	0.95
Impurity rate	1.28	1.47	1.11	0.95	1.35	1.38	0.99	1.42	1.23	1.28	1.08	1.17	1.10	1.23	1.20	1.28
Cleaning performance	1.07	1.09	1.13	1.15	1.01	1.07	1.09	1.02	1.16	1.05	1.06	1.11	0.99	1.00	1.07	1.08