EXPERIMENTAL INVESTIGATION OF FLOW RESPONSE TO STATIONARY DISTURBANCE IN ROTATING-DISK FLOW
作者: Muhammad Ehtisham Siddiqui
刊名: NED University Journal of Research, 2019, Vol.XVI (2), pp.13 - 22
来源数据库: NED University of Engineering and Technology
原始语种摘要: Three-dimensional boundary-layer flow is well known for its abrupt and sharp transition from laminar to turbulent regime. The presented study is a first attempt to achieve the target of delaying the natural transition to turbulence. The behaviour of two different shaped and sized stationary disturbances (in the laboratory frame) on the rotating-disk boundary layer flow is investigated. These disturbances are placed at dimensionless radial location (Rf = 340) which lies within the convectively unstable zone over a rotating-disk. Mean velocity profiles were measured using constant-temperature hot-wire anemometry. By careful analysis of experimental data, the instability of these disturbance wakes and its estimated orientation within the boundary-layer were investigated.
全文获取路径: NED工程技术大学 
分享到:

×
关键词翻译
关键词翻译
  • transition 转移
  • orientation 定向
  • rotating 转动的
  • boundary 边界
  • achieve 达到
  • laminar 层聊
  • anemometry 风速测定法
  • estimated 估计的
  • sized 过筛的
  • within 在以内