Abstract
Abstract Marine sea water pump with impeller using carbon fiber block was developed to prevent the impeller corrosion by the salinity. A numerical analysis was carried out in order to optimize the impeller and volute designfor marine sea water pump and to investigate the sensitivity of the related parameters(impeller thickness, surface roughness) using CFD commercial code. The impeller thickness is limited because of the weight. Since the impellerusing the carbon fiber lights, the thickness which has a maximum efficiency can be used. The results show that thesurface roughness leads to an 7% reduction in pump efficiency. Keywords : CFRP(Carbon Fiber Reinforce Plastic), Impeller, Marine sea water pump, Optimum design, Surface roughness 본 논문은 산업통상자원부와 한국산업기술진흥원의 광역경제권거점기관지원사업(탄소밸리구축사업)의 지원으로 연구되었음. * Corresponding Author : Kye Bock, Lee(Chungbuk National University) Tel: +82-43-261-3232 email: kblee@chungbuk.ac.kr Received August 5, 2015 Revised (1st October 8, 2015, 2nd October 15, 2015) Accepted November 6, 2015 Published November 30, 2015
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