Figure1. Pressure profile of fluid through a contracting pipe using axi-symmetry for a velocity of 0.0329 m/s.

Figure 2. Pressure drop of the flowing liquid as a function of length for a velocity of 0.0329 /s entering the venturi. The x-axis has units in meters.

Introduction

Three-dimensional analysis

Paper

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Figure 3. Streamline velocity field for a liquid velocity of 0.0329 m/s. This figure illustrates the circulation that occurs after the contraction.

 

Objective: Determine the magnitude of the pressure drop of the venturi contraction.

Pipe diameter: 0.0254 m; 3:1 contraction; water

Reynolds Numbers: pipe: 836; contraction: 2500; channel: 148.

Number of elements: 7264; Degrees of freedom: 33371.