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Technical Brief

A simple methodology of pipe route for providing enough flexibility

[+] Author and Article Information
Fukun Lai

AFGlobal Corporation, 945 Bunker Hill Road, Suite 500, Houston, Texas 77024, USA
f.lai@afglobalcorp.com

Alex MacGregor

AFGlobal Corporation, 945 Bunker Hill Road, Suite 500, Houston, Texas 77024, USA
a.macgregor@afglobalcorp.com

Justin Fraczek

AFGlobal Corporation, 945 Bunker Hill Road, Suite 500, Houston, Texas 77024, USA
jfraczek@afglobalcorp.com

1Corresponding author.

ASME doi:10.1115/1.4038900 History: Received June 27, 2017; Revised December 01, 2017

Abstract

Flexibility is the most important requirement of the pipe system. A general approach is to include bends in the system to provide flexibility. The design of the pipe routing requires either rigorous pipe stress analysis or hand calculation based on beam theory and finite element method. In this paper, a simple methodology has been designed in this paper to pipe routing for providing flexibility to absorb thermal expansion and other secondary displacements. The method uses the basic theory of beam and based on the data fitting from pipe stress analysis results. This method provides general and simple equations of the common bends in the pipeline industry including L, Z, and U bends, for determination of the minimum length requirement.

Copyright (c) 2017 by ASME
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