Abstract
The melting of materials during heating is modelled automatically on a resistance-capacitance network analogue using field effect transistor switches. Full details are given of the experimental techniques. Results are presented for the particular example of a flat slab heated by a concentrated heat source with melting occurring in the vicinity of the heat source. Non-dimensional curves are included from which the rise of temperature with time at a number of points can be determined. The latent heat of the material is also modelled on the network and for the problem of the concentrated heat source it is found to have no significant effect on the results. The results are shown to be independent of the conditions on the edge of the slab provided that the edge is a distance of at least 1·5 times the slab depth from the heat source.
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