TY - GEN
T1 - Simultaneous measurements of pressure, electric charge and transmitted light intensity during the extrusion of polymer melts
AU - Moreno-García, E.
AU - Pérez-González, J.
AU - Marín-Santibáñez, B. M.
AU - González, F. Rodríguez
PY - 2004
Y1 - 2004
N2 - The simultaneous measurement and record of pressure, as well as the electric charge and transmitted light intensity in an extrudate allows one to study the flow instabilities occurring in the extrusion of linear polymer melts. An experimental procedure to carry out measurements of these variables during the continuous extrusion of polymer melts was developed. A board with conditioning circuits to handle the analog signals coming from the transducers was built for this purpose. The generated voltages by these circuits are sent to a data acquisition board in order to measure and record the variables of interest by means of a personal computer. A program was written in the graphical programming language G of LabVIEW™, which permits the visualization and plotting of the physical variables in real time. The program is also able to store the measured data and presents options to filter the signals and to obtain their frequency spectrum. The system was successfully tested in the study of the unstable flow of linear polyethylene melts.
AB - The simultaneous measurement and record of pressure, as well as the electric charge and transmitted light intensity in an extrudate allows one to study the flow instabilities occurring in the extrusion of linear polymer melts. An experimental procedure to carry out measurements of these variables during the continuous extrusion of polymer melts was developed. A board with conditioning circuits to handle the analog signals coming from the transducers was built for this purpose. The generated voltages by these circuits are sent to a data acquisition board in order to measure and record the variables of interest by means of a personal computer. A program was written in the graphical programming language G of LabVIEW™, which permits the visualization and plotting of the physical variables in real time. The program is also able to store the measured data and presents options to filter the signals and to obtain their frequency spectrum. The system was successfully tested in the study of the unstable flow of linear polyethylene melts.
UR - http://www.scopus.com/inward/record.url?scp=3042659098&partnerID=8YFLogxK
U2 - 10.1109/icecc.2004.1269568
DO - 10.1109/icecc.2004.1269568
M3 - Contribución a la conferencia
AN - SCOPUS:3042659098
SN - 076952074X
SN - 9780769520742
T3 - Proceedings - International Conference on Electronics, Communications and Computers, CONIELECOMP
SP - 174
EP - 178
BT - Proceedings - 14th International Conference on Electronics, Communications and Computers, CONIELECOMP 2004
PB - IEEE Computer Society
T2 - Proceedings - 14th International Conference on Electronics, Communications and Computers, CONIELECOMP 2004
Y2 - 16 February 2004 through 18 February 2004
ER -