Open Access

ARTICLE

Study on Regularities of the Dimensionless Pressure in Bending Pipes

Lu Xiaoyang¹, Zhang Hao², Lu Xiaoli³

1 Institute of Engineering Mechanics, Shandong Jianzhu University, Jinan 250101, China
2 Key Laboratory of Renewable Energy Utilization Technologies in Buildings, Ministry of Education, Shandong Jianzhu University, Jinan 250101, China
3 College of Electrical Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China

Structural Longevity 2010, 4(1), 21-29. https://doi.org/10.3970/sl.2010.004.021

Abstract

This paper studies the distribution of dimensionless pressure in elbow pipes by dimensional analysis methods. The qualitative description method of fluid flow such as 90˚ elbow pipe is obtained. With Computational Fluid Dynamics (CFD), the effect of a number of dimensionless parameters such as the non-dimensional curvature, Reynolds number, dimensionless axial angle α and annular angle β and other factors on the spatial distribution of pressure inside the elbow is analyzed and discussed in detail. This paper not only provides theoretical and numerical methods for understanding the dynamic behavior of the fluid in the elbow pipes, but also provides the reliable basis for designing thickness of elbow pipes with high temperature, high pressure and high velocity.

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Keywords

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