Fluid enters a tube with a flow rate of 0.015 kg/s and an inlet temperature of 20 degree c.
the tube, which has a length of 6 m and diameter of 15 mm, has a surface temperature of 30 degree c.

a)determine the heat transfer rate to the fluid if it is water.

b)determine the heat transfer rate for the nanofluid of example 2.2.

x+2 because it just doubles hon so the pattern can actually tell you the expression.

so for example,

if x=2 then 2+2 is 4

if x=4 then 4+4 is 8

and so on and so forth.

i really hope that this makes sense and you out in a way hon: )

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