Analysis of Flow and Mixing in Screw Elements of Corotating Twin-Screw Extruders via SPH
Sign Up to like & getrecommendations! Published in 2017 at "Aiche Journal"
DOI: 10.1002/aic.15607
Abstract: Due to its meshless nature, the smoothed particle hydrodynamics method (SPH) provides high potential for the simulation of free-surface flows and mixing in complex geometries. We used SPH to analyze the flow inside five typical… read more here.
Keywords: corotating twin; twin screw; screw elements; elements corotating ... See more keywords
Modeling of pretreatment and acid/alkaline hydrolyses of lignocellulosic biomasses in twin-screw extruders
Sign Up to like & getrecommendations! Published in 2020 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.0c01737
Abstract: A mathematical model for pretreatment and hydrolysis of lignocellulosic biomasses in twin-screw extruders is presented. The model allows for calculation of the concentrations of extracted hemicellu... read more here.
Keywords: pretreatment acid; biomasses twin; modeling pretreatment; twin screw ... See more keywords
Chaotic Manifold Analysis of Four-Screw Extruders Based on Lagrangian Coherent Structures
Sign Up to like & getrecommendations! Published in 2018 at "Materials"
DOI: 10.3390/ma11112272
Abstract: The four-screw extruder (FSE) is a novel equipment for polymer processing. In this paper, from a new viewpoint of Lagrangian coherent structures (LCS), two-dimensional fluid transport and chaotic mixing characteristics within three kinds of novel… read more here.
Keywords: coherent structures; four screw; mixing; lagrangian coherent ... See more keywords
The Role of Calender Gap in Barrel and Screw Wear in Counterrotating Twin Screw Extruders
Sign Up to like & getrecommendations! Published in 2021 at "Polymers"
DOI: 10.3390/polym13070990
Abstract: It has been known in the industrial sector that in closely intermeshing counterrotating twin screw extruders, large separating forces develop in the calender gap, which push the screws towards the barrel wall. The result is… read more here.
Keywords: twin screw; calender gap; screw extruders; counterrotating twin ... See more keywords
Melt Conveying in Single-Screw Extruders: Modeling and Simulation
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14050875
Abstract: Numerous analyses have modeled the flow of polymer melts in the melt-conveying zones of single-screw extruders. While initial studies mainly provided exact analytical results for combined drag and pressure flows of Newtonian fluids, more recently… read more here.
Keywords: modeling simulation; screw extruders; melt conveying; single screw ... See more keywords
On-Line Optical Monitoring of the Mixing Performance in Co-Rotating Twin-Screw Extruders
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14061152
Abstract: The use of real-time techniques to evaluate the global mixing performance of co-rotating twin-screw extruders is well consolidated, but much less is reported on the specific contribution of individual screw zones. This work uses on-line… read more here.
Keywords: screw extruders; mixing performance; performance rotating; twin screw ... See more keywords
Influence of Processing Glass-Fiber Filled Plastics on Different Twin-Screw Extruders and Varying Screw Designs on Fiber Length and Particle Distribution
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14153113
Abstract: Due to their valuable properties (low weight, and good thermal and mechanical properties), glass fiber reinforced thermoplastics are becoming increasingly important. Fiber-reinforced thermoplastics are mainly manufactured by injection molding and extrusion, whereby the extrusion compounding… read more here.
Keywords: glass fiber; screw extruders; fiber; fiber length ... See more keywords
Polypropylene Degradation on Co-Rotating Twin-Screw Extruders
Sign Up to like & getrecommendations! Published in 2023 at "Polymers"
DOI: 10.3390/polym15092181
Abstract: Nowadays, usable plastic materials with defined properties are created by blending additives into the base polymer. This is the main task of compounding on co-rotating twin-screw extruders. The thermal and mechanical stress occurring in the… read more here.
Keywords: screw extruders; twin screw; rotating twin; degradation ... See more keywords