TA Instruments AR 2000 Operator's Manual page 8

Rheometer series
Table of Contents

Advertisement

Chapter 9: AR 2000 Interfacial Accessory .............................................................................................................. 111
Overview ...................................................................................................................................................................... 111
Specifications ............................................................................................................................................................... 112
Setting up the Interfacial Accessory .......................................................................................................................... 113
Calibration and Mapping .......................................................................................................................................... 114
Zeroing the Gap ................................................................................................................................................... 114
Mapping and Other Calibrations ....................................................................................................................... 114
Experimental Procedure ............................................................................................................................................. 115
Determining Each Fluid's Contribution ............................................................................................................ 115
Finding the Interface Position ............................................................................................................................. 116
Analyzing the Results ................................................................................................................................................ 118
Calculation of the Interfacial Contribution to the Torque ................................................................................ 118
Interfacial Shear Stress and Shear Rate Calculation ........................................................................................ 119
Part Numbers ............................................................................................................................................................... 119
References .................................................................................................................................................................... 119
Chapter 10: Do's and Don'ts .................................................................................................................................... 121
Overview ...................................................................................................................................................................... 121
DO .......................................................................................................................................................................... 121
DON'T ................................................................................................................................................................... 122
Appendix A: Useful Information ............................................................................................................................ 123
Moments of Inertia ...................................................................................................................................................... 123
Calculations for Moments of Inertia .................................................................................................................. 123
Cone ................................................................................................................................................................ 123
Cylinder ......................................................................................................................................................... 124
Appendix B: Symbols and Units ............................................................................................................................. 125
Appendix C: Geometry Form Factors ..................................................................................................................... 127
Cone/Plates ................................................................................................................................................................. 127
Concentric Cylinder Dimensions ....................................................................................................................... 127
Appendix D: LCD Display Messages .................................................................................................................... 129
Power On Messages .................................................................................................................................................... 129
Initialising ... ......................................................................................................................................................... 129
Bearing overspeed ................................................................................................................................................ 129
Bearing pressure too low ..................................................................................................................................... 130
Encoder index not found ..................................................................................................................................... 130
Nf gauge fault ....................................................................................................................................................... 130
Nf temp sensor fault ............................................................................................................................................ 130
Operator stop event .............................................................................................................................................. 130
Power cable fault .................................................................................................................................................. 130
8
AR 2000 Operator's Manual

Advertisement

Table of Contents
loading

Table of Contents