Abstract
The most part the RF pipelines require renovation because of their unsatisfactory state. Besides, the pipelines under operation are subject to biological fouling and at the result reduction of the living cross-section of pipes and increase of the hydraulic resistance and improve energy efficiency. One of the methods, which helps to prevent this situation, is application of a sprayed coating to the inner part of a pipeline. Due to many available market proposals, provision has been made of a complex of bench tests aimed at studying strength characteristics and computer simulation of two types of protective coatings to reveal their modifications during a period of time, i.e. Scotchkote 2400 («3M» Company), which is the most popular one and Subcote FLP, which is a prospective development by the NPP “Polyplastic”. Testing has been made at the electromechanical tensile testing machine Instron 3345 and simulation by the «Ansys» automated computer ware of the finite element analysis. The results of the performed tests permitted to determine the recommended coating thickness depending on the pipeline diameter.
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