Characterizing Rheological Properties of Fluid Food Products
YoonKook Park, Tuskegee University, Chemical Eng. Dept, Tuskegee, AL 36088, Kyung C. Kwon, Chemical Engineering, Tuskegee University, 514 Engineering Building, University Ave, Tuskegee, AL 36088, Nader Vahdat, Tuskegee University, 522A Luther H. Foster Hall, Tuskegee, AL 36088, Tristan J. Tinsley, Chemical Engineering, Tuskegee University, University Avenue, 513 Engineering Building, Tuskegee, AL 36088 and Paul Jones, P&G, P. O. Box 599, Cincinnati, OH 45201-0599

A simple viscometer is designed and fabricated to determine non-Newtonian behaviors of fluid food products, and a novel viscometer equation suitable for the viscometer is developed. Some fluid food products are chosen to examine their non-Newtonian behaviors. The main objectives of this study are to design a simple viscometer for fluid food products and develop a viscometer equation suitable for the viscometer in determining their fluid consistency index and flow behavior index.

Non-Newtonian characteristics of selected fluid food products will be investigated with the viscometer and its viscosity equation. A sucrose aqueous solution and water will be used as a reference/calibration liquid for the viscometer.

Dynamic viscosity values of aqueous sucrose solutions and water are determined with the viscometer, and compared with literature values to examine the calibration of the viscometer reasonable.

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Transport Phenomena in Food Operations

The Preliminary Program for 2005 Annual Meeting (Cincinnati, OH)