Title: Discussion of “Gene expression programming analysis of implicit Colebrook–White equation in turbulent flow friction factor calculation” by Saeed Samadianfard [J. Pet. Sci. Eng. 92-93 (2012), 48-55]
Citation: JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING vol. 124 no. December 2014 p. 399-401
Publication Year: 2014
JRC N°: JRC90647
ISSN: 0920-4105
URI: http://www.sciencedirect.com/science/article/pii/S0920410514001624
DOI: 10.1016/j.petrol.2014.06.007
Type: Articles in periodicals and books
Abstract: Maximal relative error of the explicit approximation to the Colebrook equation for flow friction presented in the discussed paper by Saeed Samadianfard [J. Pet. Sci. Eng. 92-93 (2012), 48-55; doi. 10.1016/j.petrol.2012.06.005] is investigated. Samadianfard claims that his approximation is very accurate with the maximal relative error of no more than 0.08152%. Here is shown that this error is about 7%. Related comments about the paper are also enclosed.
JRC Directorate:Energy, Transport and Climate

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