Oil at 300 K is heated by steam condensing at 372 K on the outside of steel pipes with ID = 2.09 cm, OD = 2.67 cm. The oil flow rate is 1.47 kg/s; six tubes, each 2.5 m long, are used. The properties of oil to be used are as follows:

Determine the rate of heat transfer to the oil.

Transcribed Image Text:

k, W/m · K T, K P, kg/m³ н, Ра - s Cp, J/kg · K 1.84 x 103 1.92 x 103 910 0.0414 300 0.133 0.131 0.0228 310 897 7.89 × 10¬3 340 2.00 x 103 2.13 × 103 870 0.130 0.128 3.72 x 10-3 370 865