1-9 Cold air at

10C

flows across the outer surface of a

1.5-cm

kept at a constant temperature of

120C

. If the convective coefficient between the outer surface of the tube and the air is

70(W)/(m^(2))C

, what is the convective heat transfer per meter length of tube

((W)/(m))

?\ 1-10 A solid aluminum cylinder

(k

)

=

(

230(W)/(m)K)

has a diameter of

3cm

and a length of

10cm

. It

1-9 Cold air at 10C flows across the outer surface of a 1.5cm OD tube. kept at a constant temperature of 120C. If the convective coefficient between the outer surface of the tube and the air is 70W/m2C, what is the convective heat transfer per meter length of tube (W/m) ? 10 A solid aluminum cylinder (k=230W/mK) has a diameter of 3cm and a length of 10cm. It