Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Two Efficient Methods for Gas Distributive Network Calculation

Version 1 : Received: 15 August 2018 / Approved: 15 August 2018 / Online: 15 August 2018 (15:56:29 CEST)

How to cite: Brkić, D. Two Efficient Methods for Gas Distributive Network Calculation. Preprints 2018, 2018080277. Brkić, D. Two Efficient Methods for Gas Distributive Network Calculation. Preprints 2018, 2018080277.


Today, two very efficient methods for calculation of flow distribution per branches of a looped gas pipeline are available. Most common is improved Hardy Cross method, while the second one is so-called unified node-loop method. For gas pipeline, gas flow rate through a pipe can be determined using Colebrook equation modified by AGA (American Gas Association) for calculation of friction factor accompanied with Darcy-Weisbach equation for pressure drop and second approach is using Renouard equation adopted for gas pipeline calculation. For the development of Renouard equation for gas pipelines some additional thermodynamic properties are involved in comparisons with Colebrook and Darcy-Weisbach model. These differences will be explained. Both equations, the Colebrook’s (accompanied with Darcy-Weisbach scheme) and Renouard’s will be used for calculation of flow through the pipes of one gas pipeline with eight closed loops which are formed by pipes. Consequently four different cases will be examined because the network is calculated using improved Hardy Cross method and unified node-loop method. Some remarks on optimization in this area of engineering also will be mentioned.


Calculation methods, Flow rate equation, Hydraulic pipeline systems, Natural gas distribution systems, Pipeline networks


Engineering, Control and Systems Engineering

Comments (1)

Comment 1
Received: 5 April 2019
Commenter: Dejan Brkić
The commenter has declared there is no conflict of interests.
Comment: Brkić D.: Two efficient methods for gas distributive network calculation. 24th International Conference
on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems ECOS,
Lausanne, Switzerland, June 13–17 2010
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