KNOWN: Thickness, properties and initial temperature of steel slab. Convection conditions.
FIND: Heating time required to achieve a minimum temperature of 500C in the slab.
T = 850C
h = 200 W/m2K
L = 0.0625 m
Steel, Ti = 150C
KNOWN: Diameter and radial temperature of AISI 1010 carbon steel shaft. Convection
coefficient and temperature of furnace gases.
FIND: Time required for shaft centerline to reach a prescribed temperature.
KNOWN: Thermophysical properties and initial temperature of thick steel plate. Temperature of
water jets used for convection cooling at one surface.
FIND: Time required to cool prescribed interior location to a prescribed temperature.
There is no prepared solution for Problem 1.10.
There is no prepared solution for Problem 1.11.
There is no prepared solution for Problem 1.12.
There is no prepared solution for Problem 1.13.
There is no prepared solution for Problem 1.14.
There is no pre
KNOWN: Diameter, resistance and current flow for a wire. Convection coefficient and temperature
of surrounding oil.
FIND: Steady-state temperature of the wire. Time for the wire temperature to come within 1C of its
KNOWN: Thickness, initial temperature and properties of steel plate. Convection conditions at both
FIND: Time required to achieve a minimum temperature.
T = 750C
h = 400 W/m2K
L = 62.5 mm
ASSUMPTIONS: (1) One-dimensional