Virtual origins of fire plumes

A model is proposed for correlating measurements of virtual origins of fire plumes, made possible in conjunction with a relation established recently for predicting mean flame heights. The model is consistent with plume theory and is shown to correlate available determinations of virtual origins quite well. However, precise experiments are needed to fully test the model and to investigate anticipated effects of fuel identity. It is shown that the results of this work lead to a rationale for the success of previously proposed temperature correlations which appear to be valid even into the flaming regions of plumes.