Distribution Law and Prediction Model of Dust Concentration under Airflow Adjustment in Fully Mechanized Heading Face

Table 14

The comparison between test value and predicted value.

Test value at the driver location (mg/m^3)	Test value at the pedestrian breathing-height (mg/m^3)	Predicted value at the driver location (mg/m^3)	Predicted value at the pedestrian breathing-height (mg/m^3)	Absolute error		Relative error (%)
455.35	476.21	480.74	508.49	25.39	32.28	5.58	6.78
508.42	532.20	512.19	483.70	3.77	48.50	0.74	9.11
462.64	528.20	483.55	533.60	20.91	5.40	4.52	1.02
461.91	491.39	449.80	515.04	12.11	23.65	2.62	4.81
403.29	487.09	415.54	481.65	12.25	5.44	3.04	1.12
447.94	507.06	452.53	523.94	4.59	16.88	1.02	3.33
445.01	516.14	468.57	521.58	23.56	5.44	5.29	1.05
454.15	478.11	467.89	493.32	13.74	15.21	3.03	3.18
499.62	483.24	475.09	490.14	24.53	6.90	4.91	1.43
452.98	507.23	465.85	545.50	12.87	38.27	2.84	7.54