Research on Energy-Saving Experimental of Critical Dehumidification of Combined Drying by Dehumidification Wheel and Heat Pump

Table 2

Experiment design and response values.

No.	Regeneration temperature X1 (°C)	Dry temperature X2 (°C)	Conversion point relative humidity X3 (%)	Color difference Y1	Rehydration ratio Y2	SMERY3 [kg/kW•h]
1	1	0	−1	44.1	5.81	1.38
2	0	−1	−1	44.4	5.79	1.59
3	−1	1	0	42.3	5.55	1.47
4	0	1	−1	41.7	5.46	1.37
5	1	0	1	46.3	5.8	1.43
6	0	1	1	42.4	5.45	1.42
7	0	0	0	43.9	5.74	1.62
8	0	0	0	43.8	5.73	1.64
9	−1	0	−1	42.9	5.77	1.55
10	0	−1	1	48.5	5.94	1.45
11	−1	0	1	45.6	5.87	1.46
12	−1	−1	0	45.5	5.95	1.56
13	1	0	0	45.2	5.78	1.49
14	0	−1	0	46.4	5.8	1.62
15	1	1	0	43.2	5.46	1.35