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Table 3 Analysis of variance of all responses

From: Experimental and theoretical investigation of heat transfer characteristics of cylindrical heat pipe using Al2O3–SiO2/W-EG hybrid nanofluids by RSM modeling approach

Source

Sum of squares

Degrees of freedom

Mean square

F value

P-value Prob > F

 

Thermal resistance ANOVA table

Model

163.53

5

32.71

5572.90

< 0.0001

Significant

A-Volume Concentration

0.15

1

0.15

25.04

0.0003

 

B-Power

145.88

1

145.88

24856.99

< 0.0001

 

AB

0.028

1

0.028

4.74

0.0502

 

A2

0.058

1

0.058

9.90

0.0084

 

B2

12.08

1

12.08

2058.05

< 0.0001

 

Residual

0.070

12

5.869E-003

   

Cor total

163.60

17

    

Heat transfer coefficient ANOVA table

Model

4592.78

5

918.56

139.72

< 0.0001

significant

A-Volume Concentration

181.81

1

181.81

27.65

0.0002

 

B-Power

4296.22

1

4296.22

653.49

< 0.0001

 

AB

28.66

1

28.66

4.36

0.0588

 

A2

59.07

1

59.07

8.98

0.0111

 

B2

11.96

1

11.96

1.82

0.2023

 

Residual

78.89

12

6.57

   

Cor total

4671.67

17