Solid-Liquid Two-Phase Flow in Centrifugal Pump by Zuchao Zhu & Yi Li & Zhe Lin

Author:Zuchao Zhu & Yi Li & Zhe Lin
Language: eng
Format: epub
ISBN: 9789819918225
Publisher: Springer Nature Singapore

3.3.1.1 Effect of the Location of the Bump on Wear

Figure 3.33 shows the flow field velocity vector diagram of the prototype bend pipe and the bend pipe with different positions of the bump with the condition of the particle mass flow rate of 0.242 kg/s. The solid–liquid two-phase flow accelerated at the inner wall of the bend pipe and decelerated at the outer wall. The circulation area was formed behind the bump, where vector lines were rare and the flow was almost stationary, indicating that the bump provided a shelter for solid–liquid two-phase flow. The addition of the bump caused the acceleration area on the inside of the bend to spread to the bump, and the bump at different positions affected the flow field to form different acceleration areas.

Fig. 3.33Flow field velocity vector in bend pipes

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