COMPUTATIONAL ANALYSIS AND DESIGN OF （计算分析和设计的）.pdf

COMPUTATIONAL ANALYSIS AND COMPUTATIONAL ANALYSIS AND DESIGN OF SINGLE SCREW DESIGN OF SINGLE SCREW EXTRUDERS HAVING SCREWS OF EXTRUDERS HAVING SCREWS OF COMPLEX GEOMETRY WITH MIXING COMPLEX GEOMETRY WITH MIXING ELEMENTS ELEMENTS John Vlachopoulos John Vlachopoulos McMaster University McMaster University Nick Polychronopoulos * Nick Polychronopoulos * Polydynamics, Inc. Polydynamics, Inc. Shinichiro Tanifuji Shinichiro Tanifuji Hyper Advanced Simulation Laboratory (H.A.S.L.) Hyper Advanced Simulation Laboratory (H.A.S.L.) SPE EUROTEC 2011 SPE EUROTEC 2011 BARCELONA, SPAIN BARCELONA, SPAIN The “heart” of every extruder is an The “heart” of every extruder is an ARCHIMEDEAN SCREW attributed to ARCHIMEDEAN SCREW attributed to Archimedes 287-212 BC but, actua y Archimedes 287-212 BC but, actua y known to Egyptians for irrigation in the Nile known to Egyptians for irrigation in the Nile Delta and the auger (screw dri ) for Delta and the auger (screw dri ) for carpentry was known to the Greeks before carpentry was known to the Greeks before the 3rd Century BC. the 3rd Century BC. See: See: Chris Rorres, J.Hydraul.Eng., Vol.126, 71-80, Chris Rorres, J.Hydraul.Eng., Vol.126, 71-80, (January 2000)