Tube-side (Mean ± SD)

Shell-side (Mean ± SD)

Pass

Temperature (˚C)

Velocity (m/s)

Pressure (kPa)

Temperature (˚C)

Velocity (m/s)

Pressure (kPa)

P1

51.98 ± 1.430a

0.137 ± 0.0668a

101.9 ± 0.0216h

95.45 ± 0.456a

0.0493 ± 0.0380a

103.6 ± 0.0046d

P2

56.48 ± 1.418b

0.150 ± 0.0665a

101.9 ± 0.0276g

92.28 ± 0.452b

0.0495 ± 0.0411a

103.5 ± 0.0025c

P3

60.77 ± 1.638c

0.158 ± 0.0702a

101.8 ± 0.0237f

93.13 ± 0.964b

0.0605 ± 0.0366a

103.4 ± 0.0039b

P4

64.46 ± 1.311d

0.151 ± 0.0640a

101.7 ± 0.0200e

87.91 ± 1.306c

0.0483 ± 0.0184a

103.3 ± 0.0042a

P5

68.30 ± 1.371e

0.146 ± 0.0719a

101.7 ± 0.0204d

P6

71.56 ± 1.142f

0.134 ± 0.0587a

101.6 ± 0.0262c

P7

74.65 ± 1.160g

0.140 ± 0.140a

101.5 ± 0.0255b

P8

78.7 ± 2.241h

0.157 ± 0.0675a

101.5 ± 0.0257a

p-value

<0.001

0.997

<0.001

<0.001

0.919

<0.001