heat and mass transfer problems engineering equations heat and mass transfer school homework engineering heat and mass transfer formulas heat and mass transfer solutions to heat and mass transfer problems full solution engineering problem solution heat and mass transfer math problems engineering equations heat and mass transfer school homework engineering solutions to heat and mass transfer formulas heat problems mass problem solutions to transfer problems full solution heat and mass transfer

heat and mass transfer problems engineering equations heat and mass transfer school homework engineering heat and mass transfer formulas heat and mass transfer solutions to heat and mass transfer problems full solution engineering problem solution heat and mass transfer math problems engineering equations heat and mass transfer school homework engineering solutions to heat and mass transfer formulas heat problems mass problem solutions to transfer problems full solution heat and mass transfer

Highalphabet Home Page heat and mass transfer problem solutions Heat and Mass Transfer Page

Oil at 15 C is to be heated by saturated steam at 1 atm in a double-pipe heat exchanger to a temperature of 25 C. The inner and outer diameters of the annular space are 3 cm and 5 cm respectively, and oil enters with a mean velocity of 1.2 m/s. The inner tube may be assumed to be isothermal at 100 C, and the outer tube is well insulated. Assuming fully developed flow for oil, determine the tube length required to heat the oil to the indicated temperature. In reality, will you need a shorter or longer tube?