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Design of special vacuum fan for use in the ship scraping process
(Elsevier, 2023) Dogan, Serap Ozhan; Ozcan, Mete
The outer surfaces of ships should be smooth for efficiency and safety. With the scraping process, the performance of the ship is increased and the possible negative effects are minimized. One of the biggest causes of corrosion (abrasion) that may occur over time is rough surfaces. The scraping process, which is one of the most important processes in shipyards, is very laborious, and at the same time, the dust and chemical wastes that occur during the process reveal extremely harmful results for the environment. Thus in this work the optimum design and operating parameters (best efficiency) of the fan specially designed for the removal of dust and solid wastes from the environment with a closed system, which is generated during the surface cleaning process using abrasive blasting materials were obtained. Taguchi experimental design method was applied. Afterwards, the effect of which parameter on the results was determined with the Anova Statistical Analysis method. The same values were obtained in the results obtained by using both the experimental studies obtained by the classical method and the statistical data of the fans designed within the scope of the study, of which 9 prototypes were manufactured. The values of 100 Hz frequency, suction pipe diameter of 110 mm and wing width of 650 mm were determined as the most optimum results.