Thermal Decomposition Process of a Polyethylene Pellet in a Hot Stagnation Flow

A low density polyethylene specimen fixed at the stagnation plate of high temperature air jet was measured on the time histories of thermal decomposition rate and temperature, and it was verified that the convective heat flux at the surface of specimen controlled the thermal decomposition rate. More...

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Bibliographic Details
Published in:Combustion science and technology 1997-12, Vol.130 (1-6), p.411-421
Main Authors: KAWAGUCHI, OSAMU, OHTANI, TATSUYA, KOJIMA, HISANORI
Format: Article
Language:English
Subjects:
Applied sciences
Combustion of heterogeneous mixtures. Incineration
Combustion. Flame
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Incinerators
plastics
pyrolysis
solid fuel
Theoretical studies. Data and constants. Metering
thermal decomposition
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Summary:A low density polyethylene specimen fixed at the stagnation plate of high temperature air jet was measured on the time histories of thermal decomposition rate and temperature, and it was verified that the convective heat flux at the surface of specimen controlled the thermal decomposition rate. Moreover, from another series of experiment using a collum shape specimen whose cud surface was always fixed at the stagnation plate and exposed to the hot jet, the temperature distribution inside the polyethylene specimen was obtained and also the thickness of melting layer was estimated from the distribution.
ISSN:0010-2202
1563-521X
DOI:10.1080/00102209708935751