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선박용 calorifier의 고장모드에 대한 가속수명시험
이덕보(D. B. LEE),김정현(J. H. KIM),강수근(S. K. KANG),강영복(Y. B. KANG),김형삼(H. S. KIM) 한국동력기계공학회 2005 한국동력기계공학회 학술대회 논문집 Vol.- No.-
Basic function of calorifier system is to supply warm water to the vessel. The heater used in the calorifier system plays a very important role in its reliability. The failure mechanism of heater are compared with accelerated life test. The main cause of failed heater is pitting corrosion occurred between the surface of heater and spacer. To prevent the corrosion failure from heater, material of spacer replaces metal(SUS 304) with polymer(Acryl). The life of redesigned heater can guarantee 2.47years of B10 life under the worst condition.