航空学报 > 1990, Vol. 11 Issue (1): 70-73

平片控制器尾迹对壁面阻力的作用

史胜熙, 戴昌晖, 周明德   

  1. 南京航空学院
  • 收稿日期:1988-10-04 修回日期:1900-01-01 出版日期:1990-01-25 发布日期:1990-01-25

THE EFFECT OF PLATE MANIPULATOR WAKES ON SKIN FRICTION

Shi Shengxi, Dai Changhui, Zhou Mingde   

  1. Nanjing Aeronautical Institute
  • Received:1988-10-04 Revised:1900-01-01 Online:1990-01-25 Published:1990-01-25

摘要: <正> 1.引言 飞行器的表面摩擦阻力约占总阻力的一半,无论从节能还是从提高飞行速度考虑,减小表面摩擦阻力都很重要。通常飞行器上大部分区域为湍流流动,所以设法减小湍流阻力更为人们关注。美国NASA探讨了十种不同减阻方案,其中壁面槽纹法已可实际应用,但减阻仅为4%。此外,平片控制器被认为较大发展前途,瑞典科学家曾将平片控制器安装在飞机上进行测量,获得了纯减阻收益。但由于流功的复杂性,其减阻

关键词: 平片控制器, 尾迹, 减阻, 速度亏损

Abstract: The paper presents the investigation over the influence of plate manipulator wakes on skin frictions using Turbulence Two-Equation Model. The results reveal that the reduction of skin friction results from the velocity detect of wake through the limitations on different acting parameters. It is concluded that the wake could not be the main mechanism for the drag reduction attained by plate manipulators.

Key words: plate manipulator, wakes, drag reduction, velocity defect