Journal of the Korean Society of Marine Environment & Safety (해양환경안전학회지)

The Korean Society of Marine Environment and safety (해양환경안전학회)
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A Study on the Development of Low Speed Twin-Hull Form for Seabed Organic Sediment Collection

해저 유기퇴적물 수거를 위한 저속 쌍동형 선형개발 연구

  • Received : 2016.02.29
  • Accepted : 2016.04.27
  • Published : 2016.04.30
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Abstract

In this study, conceptual design of the fore-body hull form of catamaran type dredging vessel was performed that can effectively remove the contaminated sediments in coastal seabed. The hull form was simpled for the easy hull construction and the resistance performance was investigated to find out the effect of hull form parameters between variation of waterline and angle of entrance, etc. The relation between resistance performance and characteristics of free surface flows according to variation of bow forms was investigated by model testing in the circulating water channel and using Ansys CFX. The improvement of ship resistance performance to the wave resistance decrease due to improved wave pattern has been verified according to move the stem and the volume of the shoulder to the fore part of the vessel.

본 연구에서는 연안의 해저면에 누적된 퇴적오염물을 효율적으로 수거할 수 있는 저속 쌍동형 정화선에 대한 선수선형의 개념설계에 대해 수행하였다. 선형설계는 선체건조가 용이하도록 단순화하였으며, 쌍동선 선형의 선수 Water line, 선수각 등의 변화에 따른 저항성능의 영향을 검토하였다. Ansys CFX를 이용한 수치시뮬레이션과 회류수조에서의 모형시험결과와의 비교/분석 등을 통하여 선수부 선형변화에 따른 저항성능과 자유표면 유동특성 사이의 관계를 고찰하였으며, 그 결과 선수재 위치와 어깨부 체적의 선수부 이동에 따른 파형개선으로 조파저항이 감소하는 등 저항성능의 향상을 확인하였다.

Keywords

References

  1. Bank, J.(2010), Free surface CFD prediction of components of Ship Resistance for KCS, 13th Numerical Towing Tank Symposium, p. 6.
  2. Jeong, W. C., S. Y. Kwon, G. H. Choi, D. J. Kim and G. S. Hong(2013), Study of Hull Form Development and Resistance Performance of Catamaran-type High Speed Fishing Leisure Boat, Journal of Ocean Engineering and Technology, 27(6), pp. 1-6.
  3. Jeong, W. C., C. W. Park, K. S. Hong and H. K. Yu(2001), An Experimental Study for Bow Hull Form Development of Catamaran Type Sweeping Vessel, Proceedings of the Korea Committee for Ocean Resources and Engineering Conference, pp. 53-59.
  4. Kim, D. J.(2006), A Study on Water Jet Propelled Box Shaped Contaminated Organic Sediment Collection System and the Treatment System, Dept. of Advanced Marine Transportation System Engineering, Ph.D. Thesis, pp. 86-112.
  5. Kim, D. J., J. W. Park, J. N. Kim and W. C. Jeong(2006), An Experimental Study on the Moonpool Characteristics of a Cleaning Ship for Ocean Environment Purification, Journal of Ocean Engineering and Technology, 20(2), pp. 1-6.
  6. Kim, D. J., J. W. Park, W. C. Jeong and S. K. Kim(2008), Experiments and Numerical Analysis on a System for Collecting Organic Sediment from Seabed, The Korean Society of Marine Environment & Safety, 14(1), pp. 15-20.
  7. Lee, Y. G, C. Y. Son, W. C. Jeong, D. S. Kang, K. Y. Jeong and D. J. Kim(2006), Hull Form Design of Catamaran Type Dredging Vessel Using Model Test and Numerical Simulation, Journal of Ocean Engineering and Technology, 20(2), pp. 66-71.
  8. Park, D. W.(2014), A Study on the Performance of a Medium Patrol Boat using CFD, J. Navig. Port Res., 38(6), pp. 585-591. https://doi.org/10.5394/KINPR.2014.38.6.585
  9. Shin, H. K., M. S. Kim, W. J. Jeong and Y. H. Ha(2012), Estimation of Resistance of Smart Harbor Crane Ship, Journal of the Society of Naval Architects of Korea, 49(1), pp. 1-5. https://doi.org/10.3744/SNAK.2012.49.1.1
  10. Teresa, C.(2014), URANS simulations of catamaran interference in shallow water, Journal of Marine Science and Technology, 19(1), pp. 33-51. https://doi.org/10.1007/s00773-013-0230-5
  11. Yoo, J. H. and K. H. Oh(2013), Numerical Prediction of Running Attitude and Resistance of Planing Craft, Journal of the Society of Naval Architects of Korea, 50(2), pp. 99-103.

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