A Study on Reduced Air Resistance Acting on Hull of a Cargo River Ship by Used CFD
Main Article Content
Abstract
Aiming to improvement of the inland water transportation efficiency, this paper presents development of new hull concept for the cargo river ships with reduced air resistance by using a commercial CFD (Computational Fluid Dynamic) method. The CFD results of aero-dynamic performances of the ship as pressure distribution, velocity flow around hull and air resistance acting on hull are investigated by the CFD. By analysing air resistance acting on a conventional cargo river ship which is widely used in Vietnam, a new concept of cargo river ships with drastically reduced air resistance hull form has been developed. A suitable method for application of the obtained research results has been suggested namely gradual replacement the current hull form by the newly developed one.
Keywords
new hull, reduced air resistance, cargo river ship, CFD, accommodation
Article Details
References
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[15] He NV, Ikeda Y (2014). Added resistance acting on hull of a non ballast water ship. Journal of Marine Science and Application, Vol. 13 No1, 11-12. DOI: 10.1007/s11804-014-1225-2.
[16] ITTC (2011). Practical Used Guideline for Ship CFD Application. No. 7.5-03-01-03.
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[2] Nihei Y, Mizobe T, Oura T, Ikeda Y (2008). A feasibility study of a new trimaran PCC in medium speed. The 4th APHydro2008, Taipei, Taiwan, June 16-18, 17-23.
[3] Fujiwara T, Tsukada Y, Kitamura F, Sawada H, Ohmatsu S (2009). Experimental investigation and estimation on wind force for a container ship. The 19th the ISOPE, Osaka, Japan, June 21-26, 555-562.
[4] Fujiwara T, Ueno M, Nimura T (2001). An estimation method of wind forces and moments acting on ships. Mini Symposium on Prediction of Ship Manoeuvring Performance. Tokyo, Japan, 83-92.
[5] Sugata K, Iwamoto Y, Ikeda Y, Nihei Y (2010). Reduction of wind force acting on Non Ballast Ship. The 5th APHydro2010, Osaka, Japan, 1-4.
[6] Mizutani K, Arai D, Ngo VH, Ikeda Y (2013). A Study on Reduction of the Wind Resistance Acting on a WCC. JSAOE, Hiroshima, Japan, May 9-10, 285-288.
[7] He NV, Ikeda Y (2013). Optimization of bow shape for NBS. Journal of MSA, Vol. 12 No3, 251-260. DOI: 10.1007/s11804-013-1196-8.
[8] He NV, Mizutani K, Ikeda Y (2016). Reducing air resistance acting on a ship by using interaction effects between the hull and accommodation. Ocean Engineering Journal, Vol. 111, 414-423. DOI: 10.1016/j.oceaneng.2015.11.023.
[9] Mizutani K, Akiyama Y, He NH, Ikeda Y (2014). Effects of cargo handling equipment on wind resistance acting on a WCC. Proc. 18th JASNAOE, Hiroshima, Japan, May 24-25, pp. 421-425.
[10] Versteeg HK, Malalasekera W (2007). An Introduction to Computational Fluid Dynamics. The Finite Volume Method. 2nd Edition, Pearson Education.
[11] Mohammadi B, Pironneau O (1994). Analysis of the K-epsilon turbulence model. Wiley & Sons.
[12] Tatsumi T, Nihei Y, Ikeda Y (2010). Development of a new energy saving tanker with non ballast water and podded propulsor. APHydro, Osaka, 25-28.
[13] Tatsumi T, Nihei Y, Ikeda Y (2011). Development of a new energy saving tanker with non ballast water - Part 1. The JASNAOE, Fukuoka, 216-218.
[14] He NH, Ikeda Y (2013). A Study on Interaction Effects between Hull and Accommodation on Air Resistance of a Ship. The 16th JASNAOE, Hiroshima, Japan, May 9-10, 281-284.
[15] He NV, Ikeda Y (2014). Added resistance acting on hull of a non ballast water ship. Journal of Marine Science and Application, Vol. 13 No1, 11-12. DOI: 10.1007/s11804-014-1225-2.
[16] ITTC (2011). Practical Used Guideline for Ship CFD Application. No. 7.5-03-01-03.
[17] ANSYS Inc (2015). User’s Guide, Theory Guide and Software Tool, Release 15.0.