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Tucker, Charles L., III Wang, Jin 2015-09-25T21:12:39Z 2015-09-25T21:12:39Z 10000-01-01 2007 2007 Our new orientation model is aphenomenological theory, and the value of the scalar factor to reduce the orientation change rate is determined by matching experimental data. Since the rheology of a fiber suspension is affected by the fiber orientation, a rheological experiment measuring the shear viscosity and the normal stress difference is one approach to determine the phenomenological parameters. The formulations were worked out for the shear stress and the normal stress difference with respect to the fiber orientation in a parallel-disk rotational rheometer, and the model was fit to the measured values in a least square sense by adjusting the model parameters. This provides a convenient and viable route for determining the parameters of the orientation model. Made available in DSpace on 2015-09-25T21:12:39Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3301244.pdf: 3913291 bytes, checksum: c1e77f297e8dca1bdc7bd0b42231cdfc (MD5) Previous issue date: 2007 Embargo set by: Seth Robbins for item 85183 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 145 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2007. http://hdl.handle.net/2142/83902 (MiAaPQ)AAI3301244 eng Chemistry, Polymer Improved Fiber Orientation Predictions for Injection Molded Composites text Mechanical Engineering Mechanical Engineering University of Illinois at Urbana-Champaign Dissertation Ph.D.