Sensitive Analysis for the Efficiency of a Parabolic Trough Solar Collector Based on Orthogonal Experiment

Table 4

The experimental results of instantaneous efficiency.

Serial number	Instantaneous efficiency (%)	Serial number	Instantaneous efficiency (%)	Serial number	Instantaneous efficiency (%)
1	53.15	7	51.09	13	63.77
2	63.65	8	60.93	14	45.26
3	54.83	9	58.79	15	62.09
4	54.04	10	64.20	16	53.15
5	64.10	11	50.29	17	63.65
6	59.02	12	52.18	18	54.83