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An Analysis of Residence Time Distribution Patterns in A Twin Screw Cooking Extruder
Author(s) -
Altomare Robert E.,
Ghossi Parviz
Publication year - 1986
Publication title -
biotechnology progress
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.572
H-Index - 129
eISSN - 1520-6033
pISSN - 8756-7938
DOI - 10.1002/btpr.5420020310
Subject(s) - residence time distribution , dimensionless quantity , plug flow , plastics extrusion , mixing (physics) , residence time (fluid dynamics) , throughput , materials science , die (integrated circuit) , mechanics , flow (mathematics) , mathematics , mechanical engineering , composite material , computer science , engineering , physics , nanotechnology , geotechnical engineering , telecommunications , quantum mechanics , wireless
The influence of a co‐rotating twin screw extruder's controlling variables on its residence time distribution (RTD) patterns were measured and analyzed. Variables studied included: screw profile, throughput, screw speed, moisture content and die diameter. Throughput, screw speed and screw profile had strong influence on the mean residence time. Water content, die size and temperature did not. A combination plug flow—perfect mixing model was shown to adequately describe the dimensionless RTD data.