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EXPERIMENTAL STUDY OF TWO LARGE-SCALE MODELS’ SEAKEEPING PERFORMANCE IN COASTAL WAVES

Shu-zheng Sun ; College of Shipbuilding Engineering, Harbin Engineering University Nantong Street No.145, Harbin City, China
Hui-long Ren ; College of Shipbuilding Engineering, Harbin Engineering University Nantong Street No.145, Harbin City, China
Xiao-dong Zhao ; College of Shipbuilding Engineering, Harbin Engineering University Nantong Street No.145, Harbin City, China
Ji-de LI ; College of Shipbuilding Engineering, Harbin Engineering University Nantong Street No.145, Harbin City, China


Puni tekst: engleski pdf 1.878 Kb

str. 47-60

preuzimanja: 677

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Sažetak

Actual sea waves and vessel motion are an unsteady nonlinear random process. The currently adopted test to simulate wave impact of vessel models in tank can't fully reveal the impact of real sea waves on vessel swing motion. In this paper the buoy wave height meter is adopted to carry out measurements and analyses of the coastal wave environment. The correlation between the coastal wave spectra and the ocean wave spectra is analyzed. The test system is established for remote control and telemetry self-propelled vessel models suitable for the experiment conducted in the coastal areas. The seakeeping performance test is conducted for the same tonnage of round bilge vessel model and the deep-V hybrid monohull of large-scale vessel model under the coastal wave conditions. The experimental results are compared with the test results of small-scale vessel model in the towing tank. The experimental results show that the seakeeping performance of the deep-V hybrid monohull is improved by a wide margin in contrast to that of the round bilge model, and there is a marked difference between the motion characteristics of large-scale vessel models in the coastal wave environment and that of small-scale vessel models in tank.

Ključne riječi

Large-scale model test, seakeeping performance, remote control and telemetry, coastal waves

Hrčak ID:

140056

URI

https://hrcak.srce.hr/140056

Posjeta: 1.254 *