Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A model of melting and dripping thermoplastic objects in fire
A model of the melting and dripping behavior of thermoplastic materials in fire is being developed using the Particle Finite Element Method (PFEM), which is capable of tracking the large changes in shape inherent to this problem in addition to solving the equations of motion and energy. Experiments that approximate two-dimensional flow situations provide a basis for comparison for the model in its early stages of development. Reasonable agreement with experiment has been noted for the quasi-steady flow rate from an upright rectangular object that is heated on one face. The two-dimensional spread rate of the thermoplastic melt that has dripped onto a surface beneath the object has been measured experimentally for both horizontal and slightly tilted catch plates. The model agrees within 10 % to experimental results when further degradation of the melt along the catch plate is taken into account.
A model of melting and dripping thermoplastic objects in fire
A model of the melting and dripping behavior of thermoplastic materials in fire is being developed using the Particle Finite Element Method (PFEM), which is capable of tracking the large changes in shape inherent to this problem in addition to solving the equations of motion and energy. Experiments that approximate two-dimensional flow situations provide a basis for comparison for the model in its early stages of development. Reasonable agreement with experiment has been noted for the quasi-steady flow rate from an upright rectangular object that is heated on one face. The two-dimensional spread rate of the thermoplastic melt that has dripped onto a surface beneath the object has been measured experimentally for both horizontal and slightly tilted catch plates. The model agrees within 10 % to experimental results when further degradation of the melt along the catch plate is taken into account.
A model of melting and dripping thermoplastic objects in fire
Butler, Kathryn M. (Autor:in)
2009
12 Seiten, 12 Bilder, 1 Tabelle, 16 Quellen
Aufsatz (Konferenz)
Datenträger
Englisch
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