Optimization Corrosion Protection Parameters of steel pipeline By Using Taguchi Experimental Design
Engineering and Technology Journal,
2016, Volume 34, Issue 4, Pages 754-761
AbstractCathodic Protection System (CPS) is used to reduce corrosion by minimizing the difference in potential between anode and cathode. Two types of Cathodic protection systems are usually applied: The galvanic protection systems use the sacrificial anodes, the other system is impressed current (that used in this paper), and this can be achieved by applying a current to the structure to be protected from electrical source. The main objective of this work is to determine experiments designed according to Taguchi method and Analysis the results by MINITAB program. Experiments have been conducted by using L9 orthogonal array with three parameters (concentrations of NaCl solution, Temperate and Speed of Solution) at three levels (low, medium and high). The result of research based on the signal to noise ratio (S/N) depending on the condition smaller is better approach. The results of this paper show that the significant factor is NaCl wt% and the optimum combination of parameters which were reducing the corrosion are temperature (35 °C), the speed of solution (15 r.p.m) and the NaCl concentration (20 %wt).
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