Predicting the Ignition Time and Burning Rate of Thermoplastics in the Cone Calorimeter
Predicting the Ignition Time and Burning Rate of Thermoplastics in the Cone Calorimeter
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Date
1995
Authors
Hopkins, Donald Jr.
Advisor
Quintiere, James G.
Citation
Abstract
Ignition and burning rate data are developed for Nylon 6/6, Polyethylene, and
Polypropylene in a Cone Calorimeter heating assembly. The objective is to examine a
testing protocol that leads to the prediction of ignition and burning rate for thermoplastics
from Cone data. The flame heat flux is not measured, but is inferred from Cone data.
The constancy of the flame heat flux for thermoplastics in the Cone calorimeter is due to
the geometry of the flame. The burning rate model is shown to yield good accuracy in
comparison to measured transient values.
Ignition and burning rate data are developed for Redwood and Red Oak in a Cone
Calorimeter heating assembly. Measurements of the flame plus external heat flux are
presented. The data is intended to be used for future work to develop a testing protocol
and burning rate model for charring materials.