International Journal of Naval Architecture and Ocean Engineering

The Society of Naval Architects of Korea (대한조선학회)
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Field measurement of local ice pressures on the ARAON in the Beaufort Sea

  • Lee, Tak-Kee (Department of Ocean System Engineering, Gyeongsang National University, Institute of Marine Industry) ;
  • Lee, Jong-Hyun (Department of Ocean System Engineering, Gyeongsang National University, Institute of Marine Industry) ;
  • Kim, Heungsub (Korea Institute of Machinery and Materials) ;
  • Rim, Chae Whan (Korea Institute of Machinery and Materials)
  • Published : 2014.12.31
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Abstract

This study conducted four field measurements of local ice pressure during the icebreaking voyage of the icebreaking research vessel "ARAON" in the Chukchi and Beaufort seas from July to August of 2010. For measurements, 14 strain gauges, including 8 strain gauge rosettes, were set on the bow of the port side. Influence coefficients were determined using a finite element model of the instrumented area and they were used to convert the measured strains on the hull structure to local ice pressures. The converted maximum pressure was calculated as 2.12 MPa on an area of $0.28m^2$. Pressure-area curves were developed from the surveyed pressure data and the results were compared with previously measured data. The study results are expected to provide an understanding of local ice pressures and thus be useful in the structural design of ice class ships.

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References

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