Numerical modeling of melting and dripping process of polymeric material subjected to moving heat flux: Prediction of drop time

Y Kim, A Hossain, Y Nakamura - Proceedings of the Combustion Institute, 2015 - Elsevier
Numerical simulations are carried out in order to predict drop-size and-time of molten
polymer during fire. Mass, momentum and energy conservation equations are solved in a 2 …

[PDF][PDF] Study on melting behavior of polymers during burning

J Zhang, Y Wang, X Lu, J Yu - Fire Safety Science, 2005 - publications.iafss.org
The melting behavior of a number of polymers during burning, including thermoplastic and
thermosetting polymers was studied by experiment and modeling. It was found that in a fire …

Exploring the role of polymer melt viscosity in melt flow and flammability behavior

TJ Ohlemiller, JR Shields, KM Butler, BL Collins… - 2000 - nist.gov
Thermoplastic polymers are widely used in roles where molding facilitates cost effective,
high volume applications. Such polymers exhibit uniquely complex behavior in a fire …

[PDF][PDF] A model of melting and dripping thermoplastic objects in fire

KM Butler - Fire and materials, 2009 - tsapps.nist.gov
ABSTRACT 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 …

Melt blowing: general equation development and experimental verification

MAJ Uyttendaele, RL Shambaugh - AIChE Journal, 1990 - Wiley Online Library
A model has been developed for steady polymer melt blowing. This model includes the
dominant effect that the forwarding air has upon the process. Inertial, gravitational and heat …

Melt-flow behaviours of thermoplastic materials under fire conditions: Recent experimental studies and some theoretical approaches

P Joseph, S Tretsiakova-McNally - Materials, 2015 - mdpi.com
Polymeric materials often exhibit complex combustion behaviours encompassing several
stages and involving solid phase, gas phase and interphase. A wide range of qualitative …

Analysis of a melt-blowing die: comparison of CFD and experiments

HM Krutka, RL Shambaugh… - Industrial & engineering …, 2002 - ACS Publications
The flow field resulting from two similar converging-plane jet nozzles was studied using a
computational fluid dynamics approach that was validated through experimental data. The …

A numerical study of dripping on the ignitability of a vertically oriented thermoplastic material locally heated by an irradiation source

S Singh, Y Nakamura - Fire Technology, 2022 - Springer
This study numerically investigates the effect of dripping on the ignitability of a vertically-
oriented thermoplastic material subjected to localized radiant heating within a 2D domain …

Numerical study on the spontaneous combustion of high-density polyethylene

L Shi, J Gong, D Huang, X Liu, G Zhang - Procedia engineering, 2018 - Elsevier
Although non-charring polymers have been frequently utilized in the industry, public
transport and buildings, their fire risk could be more serious comparing to the others such as …

[PDF][PDF] A progress report on numerical modeling of experimental polymer melt flow behavior

KM Butler, TJ Ohlemiller, GT Linteris - International Interflam …, 2004 - researchgate.net
ABSTRACT A combination of experiment and modeling is being used to investigate the
effects of material properties on the melt flow behavior of thermoplastics. The dripping …