The paper concerns the heat transfer models of liquid fuel bed burning on water sublayer. The main efforts are stressed on the qualitative assessment of models available and their adequacy as well as on the prediction of the boilover onset. The analysis employed various data obtained by different research groups. The evaluation of the suitable functional relationships predicting the pre-boilover time was done based on dimensionless groups derived from two types of models published in the literature: Surface Absorption Models and In-Depth Absorption Models.

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