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Vol.2 , No. 3, Publication Date: Apr. 28, 2015, Page: 106-110
| [1] | K. Watanabe, Science and Engineering Research Institute of Kokushikan University, 4-28-1 Setagaya, Setagaya-ku, Tokyo, JAPAN. |
Drag reduction technique is receiving a lot of attention from view point of energy saving in fluid engineering. It can be considered that the target is a turbulence modification for turbulent flow in order to reduce the pressure loss or drag. However, it is no effect for laminar flow range because the turbulence does not exist in the flow. If fluid slip occurs at the wall surface, we can obtain the drag reduction even if it is the laminar flow range. In this paper, some experimental results of laminar drag reduction are described and discussed for its application.
Keywords
Fluid Mechanics, Newtonian Fluids, Fluid Slip, Laminar Drag Reduction, Circular Pipe Flow, Friction Factor, Flow past a Sphere, Drag Coefficient
Reference
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