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Ignition of energized polyvinyl chloride insulated copper conductor wires by external heating was investigated for a better understanding of the initiation of electrical wire fires. First, a simplified theoretical analysis was developed to quantitatively explain the effects of currents on the ignition of electrical wires. The numerical result predicted that the ignition time concavely decreases with...
This paper describes the results of an experimental and numerical study of the effect of electric current on the ignition and flame propagation propensity of polyethylene-insulated copper conductor electrical wire. Two simplified models were developed to describe the ignition and steady flame propagation of energized electrical wires exposed to an external heat flux, respectively. The models predict...
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