A Heuristic Model for Predicting Three-Dimensional Non-Newtonian Flows in Metering Channels

  • Tim Osswald (Speaker)
  • Wolfgang Roland (Speaker)
  • Jürgen Miethlinger (Speaker)
  • Christian Marschik (Speaker)

Activity: Talk or presentation › Contributed talk › science-to-science

Description

Being able to include the shear-thinning behavior of polymer melts in the theoretical analysis of melt-conveying and pressurization generally involves the application of numerical techniques. We have recently proposed a fast and accurate analytical approximation method for predicting the pumping characteristics of power-law fluids in three-dimensional metering channels. Removing the need for time-consuming simulations, this novel theory provides an algebraic throughput-pressure gradient relationship that can be implemented easily in real screw designs. By considering the three-dimensional geometry of the screw channel and the non-Newtonian flow behavior of the polymer melt, our model is a close representation of the actual physical process. Here, we revisit the design of the heuristic model, present further results, and validate the method against additional numerical solutions.
Period09 May 2018
Event titleANTEC Orlando USA
Event typeConference
LocationUnited StatesShow on map

Fields of science

  • 205012 Polymer processing
  • 205 Materials Engineering
  • 102009 Computer simulation
  • 205011 Polymer engineering
  • 102033 Data mining
  • 104018 Polymer chemistry
  • 104019 Polymer sciences