Title

Colloidal Dynamics Simulations of Rheology and Stability of Concentrated Fuel Slurries

Abstract

This report presents the results of a Phase I SBIR project to calculate properties of concentrated colloidal suspensions using computer simulation methods. Shear viscosities were calculated as a function of shear rate and particle volume fraction. Good agreement was obtained with experimental viscosities for comparable systems. The simulation results are sensitive to the type, strength and range of the potential interactions used to describe the dispersion. These results demonstrate that the NEBD technique is capable of describing the essential features of sheared suspension behaviour. They also establish the feasibility and desirability of using NEBD simulation methods as a predictive engineering tool for the design of slurries.

Department(s)

Physics

Comments

Prepared for Air Force Office of Scientific Research, Contract No. F49620-86-C-0072

Keywords and Phrases

Fuels; Slurries; Rheology; Colloids; Dynamics; Simulation; Computerized Simulation; Computations; Brownian Motion; Nonequilibrium Flow; Interactions; Equilibrium (general)

Report Number

PSI-2009/TR-666

Document Type

Report - Technical

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 1987 Physical Sciences, Inc., All rights reserved.

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