On the basis of experimental investigations, a model is derived, which desc
ribes the momentum and the heat transfer in the region of convection-contro
lled film boiling. The model considers the slip of the liquid flow at the h
ot wall surface and the influence of the movement of the vapour/liquid inte
rface on the heat transfer using measurements of intensive cooling of fast
moving wires.
The description of the influence of liquid subcooling is based on measureme
nts of Huang [1]. The proposed model is suitable for predicting the pressur
e drop and heat transfer well in cases of similar conditions. It therefore
can be used in designing tools for cooling lines.