吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (4): 1179-1184.doi: 10.13229/j.cnki.jdxbgxb201704024

• Orginal Article • Previous Articles     Next Articles

Development of drag-reduction test system of bionic functional surfaces with internal flow

TIAN Li-mei, WANG Yang-jun, LI Zi-yuan, SHANG Yan-geng   

  1. Key Laboratory of Bionic Engineering,Ministry of Education,Jilin University, Changchun 130022,China
  • Received:2016-09-22 Online:2017-07-20 Published:2017-07-20

Abstract:

To study and measure the drag-reduction performance of bionic functional surfaces with internal flow, a testing system based on differential pressure measurement was designed. Considering the characteristics of the internal flow, the test section is replacable to adapt to the flow field wall with different thickness. The data acquisition, processing and control system was designed based on programmable logic controller. The system precision was analyzed and the mean square errors of different flow velocities were calculated. The elastic silicone rubber and elastic thermal conductive bionic surface was tested using this system. The system can provide a high accuracy analysis and test platform for the study of drag-reduction performance of various bionic functional surfaces with internal flow.

Key words: bionic engineering, bionic functional surface, drag-reduction, elastic thermal conductive, test system

CLC Number: 

  • TB17
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