Hydrodynamic Entrance-Region Flow of Pseudoplastic Fluids

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Abstract
The hydrodynamic entrance-region flow of pseudoplastic liquids is studied by solving both the differential and integral equations of the boundary-layer flow simultaneously by extending the procedure of Fargie and Martin. The results are strictly applicable in the high Reynolds number region only. Simple closed-form expressions for the velocity distribution, pressure distribution and loss coefficients in the entrance section result, which are presented in a form suitable for engineering design. Comparing the predictions of this work with the literature data shows agreement which is comparable to or sometimes even better than the more complicated analyses available in the literature.