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Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENGINEERING   DECEMBER 2006 , Volume 19 , Number 1 (TRANSACTIONS B: APPLICATIONS); Page(s) 73 To 82.
 
Paper: 

FLOW VISUALIZATION AROUND A NON-CIRCULAR TUBE

 
 
Author(s):  NOURI BOROUJERDI A.*, LAVASANI A.M.
 
* DEPARTMENT OF MECHANICAL ENGINEERING, SHARIF UNIVERSITY OF TECHNOLOGY, TEHRAN, IRAN
 
Abstract: 

The flow behavior around a cam shaped tube in a cross flow has been investigated experimentally using flow visualization and pressure distribution measurements. The range of attack angle and Reynolds number based on an equivalent circular diameter are within 0£a£360o and 2×104 Reeq>3.4×104), respectively. The pressure drag features are clarified in relation to the flow behavior around the tube. It is found that the highest pressure drag coefficient occurs at a=90o and 270o over the whole range of Reynolds number. Results show that the pressure drag coefficient of the cam - shaped tube is lower than that of a circular tube with the same surface area for more of the attack angles.

 
Keyword(s): EXPERIMENT, VISUALIZATION, PRESSURE DRAG, CROSS FLOW, NON-CIRCULAR TUBE
 
References: 
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