FLOWS IN A CURVED RECTANGULAR CHANNEL (2ND REPORT, VELOCITY MEASUREMENTS IN THE DEVELOPING REGION OF LAMINAR FLOW BY USING LDV.

被引：0

作者：

Sugiyama, Shiro

Yamamoto, Masaaki

Hayashi, Taro

机构：

来源：

Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B | 1987年 / 53卷 / 487期

关键词：

FLUID MECHANICS - VELOCIMETERS - Laser Doppler;

D O I：

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中图分类号：

学科分类号：

摘要：

An experimental investigation is carried out. The fully developed steady laminar flow in the entrance region of a curved rectangular channel is studied under the velocity profile of Poiseuille flow at the inlet and the Dean number is 220. The channel has an aspect ratio of 2 and a curvature ratio of 8. The axial velocity and the radial component of the secondary velocity are measured by using a laser doppler velocimeter (LDV) at 15 sections from the inlet ( theta equals 0 degree ) to the outlet ( theta equals 270 degree ) of the channel. The developing secondary flow is clearly presented and is in good agreement with the results obtained from a flow visualization carried out by the authors.

引用

页码：750 / 756

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