DOI QR코드

DOI QR Code

Effects of Trim on Resistance Performance of a Ship

선박의 트림 자세가 저항 성능에 미치는 영향

  • Park, Dong Woo (Maritime Research Institute, Hyundai Heavy Industries Co. Ltd.) ;
  • Lee, Sang Bong (Maritime Research Institute, Hyundai Heavy Industries Co. Ltd.) ;
  • Chung, Sung Seob (Maritime Research Institute, Hyundai Heavy Industries Co. Ltd.) ;
  • Seo, Heung Won (Maritime Research Institute, Hyundai Heavy Industries Co. Ltd.) ;
  • Kwon, Jae-Woong (CD-adapco CAE Business Div.)
  • 박동우 (현대중공업 선박연구소) ;
  • 이상봉 (현대중공업 선박연구소) ;
  • 정성섭 (현대중공업 선박연구소) ;
  • 서흥원 (현대중공업 선박연구소) ;
  • 권재웅 (씨디어탭코 CAE 사업부)
  • Received : 2012.11.15
  • Accepted : 2013.03.25
  • Published : 2013.04.20

Abstract

The primary objective of the current work is to obviously analyze regarding effects of trim conditions of a ship on resistance performance using model test and CFD. Model tests at a towing tank are conducted to investigate resistance for trim conditions at the given same displacement. Measured resistance shows small but distinct differences according to trim conditions. However, these differences are difficult to be clarified by measured physical quantities and wave pattern analysis from model tests. CFD is employed for the assessment of resistance performance according to trim conditions. The flow computation is conducted considering free surface and dynamic trim using a commercial CFD code (STAR-CCM+). The initiative of the present work is to systematically demonstrate pressure resistance acting on each region of divided finite zones of ship surface along the length and draught direction of surface when pressure distribution on the ship is interpreted. Also, a standard to assess the pressure resistance applied on the divided regions of a ship is established.

Keywords

Trim conditions;Resistance performance;Model test;CFD;Hydrodynamic standard

References

  1. Choi, H.-J. Seo, K.-C. Kim, B.-E. & Chun, H.-H., 2003. Development of an Optimum Hull Form for Container Ship with Minimum Wave Resistance. Journal of the Society of Naval Architects of Korea, 40(4), pp.8-15. https://doi.org/10.3744/SNAK.2003.40.4.008
  2. Seo, K.-C. et al., 2007. Efficient Propulsion of a Container Ship Using the Inclined Keel Concept. Journal of the Society of Naval Architects of Korea, 44(4), pp.379-388. https://doi.org/10.3744/SNAK.2007.44.4.379
  3. Seo, K.-C. Atlar, M. Kim, H.-J. & Chun, H.-H., 2009. Minimization of Wave-Making Resistance for Inclined Keel Containership. Journal of the Society of Naval Architects of Korea, 46(2), pp.97-104. https://doi.org/10.3744/SNAK.2009.46.2.097
  4. Yang, J.-M. & Kim, H.-C., 2005. Prediction of Propulsive Performance of VLCC at Heeled and Trimmed Conditions. Journal of the Society of Naval Architects of Korea, 42(2), pp.307-314. https://doi.org/10.3744/SNAK.2005.42.4.307
  5. Yang, J.-M. Rhee, S.-H. & Kim, H.-C., 2006. A Study on the Effect of the Heeled and Trimmed Conditions on Propulsive Performance of VLCC. Journal of the Society of Naval Architects of Korea, 43(3), pp.275-284. https://doi.org/10.3744/SNAK.2006.43.3.275

Cited by

  1. Study on the Estimation of the Optimum Trims in Container Carriers by using CFD Analysis of Ship Resistances vol.51, pp.5, 2014, https://doi.org/10.3744/SNAK.2014.51.5.429
  2. Experimental Study on Added Resistance of VLCC for Ship’s Operating Condition in Waves vol.21, pp.3, 2015, https://doi.org/10.7837/kosomes.2015.21.3.240
  3. The Analysis of the Ship's Maneuverability According to the Ship's Trim and Draft vol.27, pp.6, 2015, https://doi.org/10.13000/JFMSE.2015.27.6.1865
  4. Analysis of Resistance Performance for Various Trim Conditions on Container ship Using CFD vol.29, pp.3, 2015, https://doi.org/10.5574/KSOE.2015.29.3.224
  5. Study on Resistance Component of Container Ship According to Trim Conditions vol.29, pp.6, 2015, https://doi.org/10.5574/KSOE.2015.29.6.411
  6. Fundamental Study for Predicting Ship Resistance Performance Due to Changes in Water Temperature and Salinity in Korea Straits vol.29, pp.6, 2015, https://doi.org/10.5574/KSOE.2015.29.6.418
  7. Prediction of fishing boat performance using computational fluid dynamics vol.40, pp.7, 2016, https://doi.org/10.5916/jkosme.2016.40.7.574