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2 votes
4 answers
5k views

How do I calculate Reynold's number for a non-newtonian fluid?

I am familiar with the known formula to find Reynold's number in a circular pipe for newtonian fluids: $$\text{Re} = \frac{\rho \bar{v}D}{\mu}$$ where $\rho$ is the density, $\bar{v}$ is the average ...
Pritt Balagopal's user avatar
0 votes
1 answer
135 views

A Hurschel-Bulkley fluid flows through a conical nozzle

I got an physical problem in paste extrusion that I am unable to solve: A pasty material flows through a conical nozzle. The material follows Hurschel-Bulkley flow model (H-B model): $\tau=\tau_y+...
Tao's user avatar
  • 1