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Muhammad Ali Theyab
Muhammad Ali Theyab
Ministry of Higher Education and Scientific Research,
Iraq
Publications
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Research Article
The Effect of Shear Stress on Wax Deposit Thickness with and without Spiral Flow
Author(s): Muhammad Ali Theyab Muhammad Ali Theyab
The main objective of this research is to estimate and discuss the effect of shear stress on wax deposition in the hydrocarbon pipeline. Two sets of experimental data were used to analyse the effect of shear stress on wax deposition with and without spiral flow at different inlet coolant temperatures and different flow rates. A new mathematical model was developed during this study to estimate the shear stress, because of the spiral flow, on wax deposition. The concept of this model was based on the forces that influence on the crude oil flow in the pipe, with and without inserting the twisted plate to create spiral flow, depending on the pressure drop along the pipe. The results are presented that, increasing the shear stress, because of the effect of the spiral flow, leads to decrease the wax deposit thickness with increasing the pressure drop while the shear stress decreased in the.. View More»
DOI: 10.4172/2157-7463.1000358