ABSTRACTSHeat conduction along a wire and heat transfer to a wire from liquid in a can during heating and cooling in a retort are considered. Equations are derived for calculation of the temperature error, which is expressed as a fraction of the difference between the liquid and retort temperatures. Dimensionless numbers are defined for heat conduction along the wire and for heat transfer from the liquid to the wire. Graphs of temperature error are presented in terms of these dimensionless numbers which enable the reader to rapidly determine the error for several points along the wire. A method is also given for correction of the “lag factor” (j)in process calculati
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