Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Experimental Study on Frictional Drag Reduction of Turbulent Flow by Polymer Solution Injection

폴리머 수용액 주입에 의한 난류마찰저항 감소에 대한 실험 연구

  • 김형태 (충남대학교 선박해양공학과) ;
  • 김덕수 (충남대학교 선박해양공학과) ;
  • 김우전 (목포대학교 조선해양공학과)
  • Published : 2003.06.01
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Abstract

An experimental study has been carried out as a basic research for development of the friction drag reduction technology for ships by polymer injection. Experimental apparatus and procedures have been devised and prepared to measure the changes of the wall friction with injection of a polymer solution and basic experimental data on the friction drag reduction are obtained for a turbulent fiat-plate boundary layer and fully-developed channel flows. Variations of the friction drag reduction with some important parameters of polymer injection, such as the concentration of polymer solution, its injection flow rate and the measuring position downstream from the injection slot, are also investigated. Important experimental data and results obtained in the present study are presented. The amount of friction drag reduction up to 50% is observed.

Keywords

References

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