On the Applicability of Directed Fluid Jets to Newtonian and Non-Newtonian Flows.
CALIFORNIA UNIV BERKELEY DEPT OF MECHANICAL ENGINEERING
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This paper elaborates on the applicability of a direct formulation of the theory of jets to Newtonian and non-Newtonian fluid flow problems. Following a general discussion of the nature of direct theories, we record the basic equations of the theory of directed curves for any finite number of directors. Reference is then made to some recent results for incompressible Newtonian viscous flows, including the problem of jet breakup. The major portion of the paper is concerned with application of the direct approach to an incompressible non-Newtonian Poiseuille flow in a circular pipe. The results are compared to those of the three-dimensional theory and are found to include the effect of normal force corresponding to the normal stress effect. Author
- Fluid Mechanics