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|Title:||Effect of blade manipulator in fully developed pipe flow|
|Authors:||Mah, Y.A. |
|Source:||Mah, Y.A.,Khoo, B.C.,Chew, Y.T. (1992-12). Effect of blade manipulator in fully developed pipe flow. Journal of Fluids Engineering, Transactions of the ASME 114 (4) : 687-689. ScholarBank@NUS Repository.|
|Abstract:||Experiments were carried out in applying the concept of passive device called BLADEs (boundary-layer alteration devices) to fully developed pipe flow to assess its feasibility as a drag reduction device. The results of both the volumetric flow rate measurement and the pipe wall pressure distribution taken far downstream show that there is a net increase in drag with the device. With BLADES in tandem arrangement, there is a further net increase in drag which is contrary to its counterpart in boundary layer flow. Although the wall shear stress measurement following the device indicates some reduction in local drag, its magnitude of reduction is much smaller than that seen in the equivalent boundary flow. All these results suggest little possibility of any useful application of BLADEs to pipe flow.|
|Source Title:||Journal of Fluids Engineering, Transactions of the ASME|
|Appears in Collections:||Staff Publications|
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