Prediction Model of Piloted Ignition Time for Thermoplastic Material | Zendy

Xudong Cheng | Zendy; Yong Zhou | Zendy; Kaiyuan Li | Zendy; Hui Yang | Zendy; Heping Zhang | Zendy

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Prediction Model of Piloted Ignition Time for Thermoplastic Material

Author(s) -

Xudong Cheng,

Yong Zhou,

Kaiyuan Li,

Hui Yang,

Heping Zhang

Publication year - 2015

Publication title -

energy procedia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.474

H-Index - 81

ISSN - 1876-6102

DOI - 10.1016/j.egypro.2015.02.084

Subject(s) - cone calorimeter , ignition system , materials science , polypropylene , phase change material , thermoplastic , thermodynamics , nuclear engineering , heat transfer , autoignition temperature , composite material , melting temperature , mechanics , phase change , combustion , engineering , chemistry , physics , char

The objective of this paper was to develop a prediction model to determine the ignition time of the thermoplastic material. Two different heat transfer mechanisms in the condensed phase and melting phase were taken into account in the model. The duration of phase change was also calculated using the melting enthalpy. The commercial Polypropylene (PP) was selected as testing material to verify the developed model. In the cone calorimeter tests, the PP samples with four different thicknesses, were tested under three different external heat fluxes, i.e., 20, 35 and 50kW/m2. The calculated and measured ignition times were compared and reasonable agreements were obtained. The comparative results show that the developed model gives more reasonable predicted ignition time

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