0

Full Content is available to subscribers

Subscribe/Learn More  >

A Two-Dimensional Model of Predicting Sand Erosion in Elbows for Liquid Flow

[+] Author Affiliations
Rong Kang, Haixiao Liu, Mingyang Liu

Tianjin University, Tianjin, China

Paper No. OMAE2017-61350, pp. V05AT04A046; 8 pages
doi:10.1115/OMAE2017-61350
From:
  • ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 5A: Pipelines, Risers, and Subsea Systems
  • Trondheim, Norway, June 25–30, 2017
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5769-4
  • Copyright © 2017 by ASME

abstract

A two-dimensional theoretical procedure is proposed in this study to estimate sand particle erosion in 90-degree elbows for liquid flow. The two-dimensional model adequately describes the erosion occurring along the centerline of the elbow extrados and to an extent reflects the erosion level on the whole elbow. The sand erosion prediction procedure is divided into three steps: building a two-dimensional liquid flow model, tracking the particle trajectories and predicting the penetration depth. First, a motion expression of the fluid streamline in an elbow is deduced from the continuity equation and the Euler equations, supposing the incompressible flow in the elbow is steady and inviscid. The radial velocity is introduced into the present model to reflect the effect of secondary flow on the symmetry plane. Second, particle trajectories are computed using the Lagrange approach based on the obtained expression of flow field distributions. The effects of the fluid drag force and the virtual mass force are considered as the main factors, and the particle impact velocity and angle are predicted through this method. Third, the penetration depth can be calculated from erosion correlations and the erosion profile along the centerline of the 90-degree elbow can also be worked out. Several typical experiments are selected to verify the two-dimensional theoretical model by comparing the predicted erosion results with the measured data.

Copyright © 2017 by ASME

Figures

Tables

Interactive Graphics

Video

Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In