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《Journal of Fushun Petroleum Institute》 2003-03
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Calculation of Temperature Field in Wax Deposit Layer

ZHANG Bing-hang1,ZHOU Shi-dong1,HU Ling-zhi2,WU Ming1*,LI Jin1 (1.School of Mechnical Engineering, Liaoning University of Petroleum & Chemical Technology, Liaoning Fushun 113001, China; 2.Harbin Petrochemical Campany, Heilongjiang Harbin 150056, China)  
It is necessary to overcome the phenomena decreasing the transportation ability by wax deposit in the wall of pipeline, while initialization coagulation and flow-stopping may be met when deposit layer is much thicker in the transportation with low temperature and low flow-velocity, so it is important to investigate on temperature field in wax deposit layer. Compared with different expression of temperature distribution on deposition and non-deposition in the tested inside-wall of pipeline, a non-dimensional temperature function was founded to get a conclusion according to energy equation. Referring to Bessel function, a calculation equation of temperature distribution in the surface and heat-flow density of wax deposit layer in the laminar flow is deduced, as well as temperature distribution inside. This method provides a theoretic basis on the theory law of wax deposit and qualitative analysis on the thickness of wax deposit layer, and it also provides a key theory of making a reasonable clean-up scheme in the transportation pipeline. So it is the practically significant to make a research on the theoretic thickness of calculating wax deposit layer.
【Fund】: 中油集团基金资助项目(20021032)。
【CateGory Index】: TE832
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