Skip to main content

Table 1 The local optimal points along with their corresponding PEC

From: Optimising Al2O3–water nanofluid

Temperature (°C)

Particle size (nm)

Volume fraction (%)

Heat transfer coefficient (kW/m^2 K)

Pressure drop (Pas)

PEC

82.6

175.26

4.75

792.49

29.94

5.01

84.5

30.13

1.56

835.48

37.15

4.75

83.2

12.92

2.45

884.43

45.17

4.51

84.5

12.89

3.31

895.01

48.15

4.44

69.7

11.09

5.00

946.59

68.56

4.14

84.3

13.32

4.52

924.34

53.92

4.31

79.3

175.98

4.82

805.37

32.84

4.91

77.0

176.18

4.93

817.05

35.26

4.83

84.0

186.95

0.89

620.76

8.79

6.58

83.3

183.64

1.29

648.93

11.77

6.21

82.7

13.70

1.74

878.34

42.14

4.56

83.4

181.68

1.84

672.92

14.55

5.94

83.3

183.48

2.99

716.35

19.76

5.55

74.6

11.85

4.96

942.44

64.22

4.18

58.1

11.21

5.00

948.74

78.22

4.07

82.4

181.08

4.06

758.99

25.91

5.21

84.0

11.75

4.02

915.50

52.13

4.35

83.3

182.24

4.64

782.25

27.73

5.09

81.8

11.35

4.81

936.60

57.65

4.25

81.3

173.25

2.04

697.90

18.67

5.66

81.9

14.38

2.17

881.26

44.76

4.52

84.0

180.95

1.01

635.03

10.34

6.38

46.1

12.12

4.97

951.64

87.86

4.00

83.3

177.57

1.32

657.36

12.94

6.10

84.5

30.13

1.56

835.72

37.16

4.75

56.2

11.23

4.99

949.41

79.73

4.06

66.7

11.28

4.99

946.99

71.05

4.12

83.9

25.26

1.82

852.96

39.62

4.66

80.5

174.16

1.89

695.55

18.45

5.68

62.7

11.16

4.99

947.90

74.35

4.09

79.9

184.40

3.16

735.43

23.26

5.36

82.9

183.46

3.10

722.29

20.64

5.49

51.3

11.23

5.00

951.25

83.81

4.03

43.7

12.41

4.98

952.44

89.79

3.99

40.7

13.00

4.99

953.44

92.32

3.97