Abstract ▼ AI-Helper

Generally, the size of training ship is relatively $mall and many accommodation spaces are necessary for public spaces and cabins compared to other commercial ships. Thus, cabins are located all over the vessel including the place close to the propeller and adjacent to the engine room of the main no...

Generally, the size of training ship is relatively $mall and many accommodation spaces are necessary for public spaces and cabins compared to other commercial ships. Thus, cabins are located all over the vessel including the place close to the propeller and adjacent to the engine room of the main noise source. This paper describes the identification of noise characteristics for the 3,500 ton class training ship including analysis, measurement, and countermeasures. Onboard transfer function test for major noise sources were independently performed at pier and during sea trial. Through a series of study, it was found that the cabin noise levels of training ship were dominated by the propeller and main engine noise but HVAC system noise