Modeling and Experimental Verification of Solid-Liquid Two-Phase Flow Long-Distance Pipeline Friction Drag Loss Based on LS-SVM

Author:

Wu Jian De1,Yuan Xu Yi1,Fan Yu Gang1,Wang Xiao Dong1

Affiliation:

1. Kunming University of Science and Technology

Abstract

The mechanism model needs to assume a lot of prerequisites, but it is lack of these conditions in the solid-liquid two-phase flow in long-distance pipeline, therefore there will be a deviation between the friction drag loss of mechanism model and the actual value. This paper adopted the least square support vector machine (LS-SVM) to fix the value of the mechanism model, and increase the prediction accuracy. Meanwhile, for improving real-time online LS-SVM performance, introducing the local LS-SVM. The experiment result shows, LS-SVM and local LS-SVM greatly improved the forecast accuracy, compared with the mechanism model correction.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference11 articles.

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3. Defang Shu, Xihuan Sun, Yongye Li, etc. Research Situation of Slurry Pipeline Pressure Loss[J]. Technology and Application, 1: 38-40, (2011).

4. Xiangji Deng, Fusheng Ni, Rongmin Luo. Two kinds of calculation model of resistance losses in pipeline transport sand [J]. Hehai University Changzhou Campus Journal, 19(1): 54-59, (2005).

5. Guangwen Chen, Desheng Gu. Resistance Loss Calculation of Slurry Horizontal Pipeline[J]. Guizhou University Journal (Natural Science Edition), 25 (2): 162-166, (1994).

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