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Table 3 ANOVA results of output characteristics of a flat absorber plate

From: Multi-thermal performance optimization of semi-circular heat pipes integrated with various solar collector profiles

Source DF Heat output Thermal resistance Overall thermal efficiency
Adj SS Adj MS F value p value Adj SS Adj MS F value p value Adj SS Adj MS F value P value
Model 6 12256.9 1751.0 450.17 0.000 0.009094 0.001299 81262.10 0.000 71.1974 10.1711 278.65 0.000
Linear 3 12128.9 4043.0 1039.44 0.000 0.008446 0.002815 176096.22 0.000 66.3504 22.1168 605.93 0.000
A 1 11445.0 11445 2942.48 0.000 0.006740 0.006740 421572 0.000 42.7581 42.7581 1171.44 0.000
B 1 3.1 3.1 0.80 0.382 0.001582 0.001582 98958.33 0.000 0.3439 0.3439 9.42 0.006
C 1 680.8 680.8 175.03 0.000 0.000124 0.000124 7758.33 0.000 23.2484 23.2484 636.93 0.000
Square   88.7 88.7 22.81 0.000 0.000205 0.000205 12844.00 0.000 2.6148 2.6148 71.64 0.000
C*C   88.7 88.7 22.81 0.000 0.000205 0.000205 12844.00 0.000 2.6148 2.6148 71.64 0.000
2-Way interaction 3 39.2 13.1 3.36 0.040 0.000443 0.000148 9234.00 0.000 2.2322 0.7441 20.38 0.000
A*B 1 21.9 21.9 5.62 0.028 0.000000 0.000000 0.00 1.000 0.7485 0.7485 20.51 0.000
A*C 1 10.9 10.9 2.79 0.111 0.000000 0.000000 0.00 1.000 1.4784 1.4784 40.50 0.000
B*C 1 6.5 6.5 1.67 0.212 0.000443 0.000443 27702.00 0.000 0.0053 0.0053 0.14 0.709
Error 20 73.9 3.9    0.000000 0.000000    0.6935 0.0365   
Total 26 12330.8     0.009094     71.8909    
  1. R2 = 98.68%
  2. R2 (adjusted) = 98.29%
  3. R2 (predicted) = 97.91%