Tube-side (Mean ± SD)

Shell-side (Mean ± SD)

Pass

Temperature (˚C)

Velocity (m/s)

Pressure (kPa)

Temperature (˚C)

Velocity (m/s)

Pressure (kPa)

P1

28.21 ± 0.825^a

0.235 ± 0.0766^a

102.2 ± 0.0379^f

77.22 ± 5.617^b

0.0215 ± 0.0108^a

101.5 ± 0.0001^c

P2

30.44 ± 0.721^b

0.220 ± 0.107^a

102.1 ± 0.0492^e

68.23 ± 5.516^ab

0.018 ± 0.0091^a

101.5 ± 0.0004^b

P3

33.08 ± 0.813^c

0.212 ± 0.108^a

101.9 ± 0.0475^d

60.77 ± 7.521^a

0.015 ± 0.0091^a

101.5 ± 0.0007^a

P4

35.63 ± 0.901^d

0.230 ± 0.0879^a

101.8 ± 0.0536^c

P5

38.62 ± 0.951^e

0.21 ± 0.0868^a

101.6 ± 0.0445^b

P6

41.17 ± 1.004^f

0.232 ± 0.0812^a

101.5 ± 0.0486^a

p-value

< 0.001

0.995

< 0.001

0.002

0.509

< 0.001