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Influence of geometric parameters on the flow drag of a streamlined body of revolution

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Abstract

This paper demonstrates the influence of geometric parameter variation of a streamlined body on the flow drag performance. A streamlined body with an outline of elliptic forebody and parabolic afterbody is numerically investigated. The effects of geometric parameters including the ratio of maximum section diameter to body length D/L, and the ratio of forebody length to total length LEL on the flow drag are revealed by studying the pressure distribution on the body edge. The results show that, for D/L ranging from 0.1 to 0.25, the smaller D/L is, the better the flow drag performance is, for L E/L ranging from 0.2 to 0.9, there is a turning point on the flow drag with the value of LE/L approximates to 0.7. The findings in this work would benefit the selection of geometric parameters to reduce drag in underwater vehicle design.

Original languageEnglish
Title of host publication2010 4th International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2010
DOIs
StatePublished - 2010
Externally publishedYes
Event4th International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2010 - Chengdu, China
Duration: 18 Jun 201020 Jun 2010

Publication series

Name2010 4th International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2010

Conference

Conference4th International Conference on Bioinformatics and Biomedical Engineering, iCBBE 2010
Country/TerritoryChina
CityChengdu
Period18/06/1020/06/10

Keywords

  • Drag reduction
  • Flow drag
  • Geometric parameter
  • Streamlined body

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