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Heat Transfer Research
Импакт фактор: 0.404 5-летний Импакт фактор: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN Печать: 1064-2285
ISSN Онлайн: 2162-6561

Выпуски:
Том 50, 2019 Том 49, 2018 Том 48, 2017 Том 47, 2016 Том 46, 2015 Том 45, 2014 Том 44, 2013 Том 43, 2012 Том 42, 2011 Том 41, 2010 Том 40, 2009 Том 39, 2008 Том 38, 2007 Том 37, 2006 Том 36, 2005 Том 35, 2004 Том 34, 2003 Том 33, 2002 Том 32, 2001 Том 31, 2000 Том 30, 1999 Том 29, 1998 Том 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.2018013426
pages 287-307

HEAT TRANSFER CHARACTERISTIC FOR A LARGE-SCALE DOUBLE-DECK FLOATING ROOF OIL TANK

Jian Zhao
Oil and Gas Storage and Transportation Department, Northeast Petroleum University, Daqing, P.R. China
Lixin Wei
Oil and Gas Storage and Transportation Department, Northeast Petroleum University, Daqing, P.R. China
Hang Dong
Oil and Gas Storage and Transportation Department, Northeast Petroleum University, Daqing, P.R. China
Hui Ding
Oil and Gas Storage and Transportation Department, Northeast Petroleum University, Daqing, P.R. China
Xinyang Li
Oil and Gas Storage and Transportation Department, Northeast Petroleum University, Daqing, P.R. China

Краткое описание

The heat transfer characteristic for a double-deck floating roof oil tank was investigated based on the test of surface temperature and heat flow in working conditions. The profile of surface temperature on the roof generally appears an axial symmetry feature, dominated by the thickness of the roof and oil volatilization. The clapboard and truss enhance heat conduction which induces higher surface temperature in some local positions. The maximum temperature on the roof appears in the region between the weir plate and sidewall, while the lowest temperature region is the central part of the roof. Moreover, according to the profile of surface temperature, the sidewall is divided into two parts separated by the oil level. Based on the test data, nearly 70% of heat is lost through the roof, followed by the sidewall and bottom. The heat flow test reveals an approximate one-dimensional characteristic of heat transfer through the roof. The value of the equivalent conductivity of the roof is from 2.63 W/m·K to 6.05 W/m·K while the average value is 4.44 W/m·K. The test result of sidewall reveals additional thermal resistance most likely caused by the wax precipitation layer which should be noted during the heat transfer calculation.


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