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research-article

Heat loss of insulated pipes in cross-flow winds

[+] Author and Article Information
Bjarte O. Kvamme

MSc Graduate Student, University of Stavanger, Randabergveien 10E, Stavanger, Rogaland, 4025, Norway
bjarte@valhall.onl

Jino Peechanatt

MSc Graduate Student, University of Stavanger, Peechanatt (H), Panangad P.O., Ernakulam, Kerala, 682506, India
jino_2239@yahoo.co.in

Ove T. Gudmestad

Professor, University of Stavanger, Stavanger, Rogaland, 4036, Norway
ove.t.gudmestad@uis.no

Knut Espen Solberg

Research Fellow, University of Stavanger, Stavanger, Rogaland, 4036, Norway
knut.espen.solberg@gmc.no

Yaseen A. Amith

Senior Engineer, University of Stavanger, Stavanger, Rogaland, 4036, Norway
yaaseen.a.amith@uis.no

1Corresponding author.

ASME doi:10.1115/1.4041458 History: Received July 26, 2017; Revised September 06, 2018

Abstract

In recent years, there has been unprecedented interest shown in the Arctic region by the industry as it has become increasingly accessible for oil and gas exploration. This paper reviews existing literature on heat transfer coefficients and presents a comprehensive study of the heat transfer phenomenon in horizontal pipes (single/multiple pipe configurations) subjected to cross flow wind besides the test methodology used to determine heat transfer coefficients through experiments. In this study, cross flow winds of 5 m/s, 10 m/s and 15 m/s blowing over several single pipe and multiple pipe configurations of diameter 25 mm and 50 mm steel pipes with insulation are examined. Based on the findings, the best correlation for use by the industry for single and multiple pipe configurations was found to be Churchill-Bernstein correlation. The deviation from the theoretical calculations and the experimental data for this correlation was found to be in the range of 0.40% to 1.61% for a 50 mm insulated pipe and -3.86% to -2.79% for a 25 mm insulated pipe. In the case of a multiple pipe configurations, the deviation was in the range 0.5 - 2.82% for 50 mm insulated pipe and 12 -14% for 25 mm insulated pipes.

Copyright (c) 2018 by ASME
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