NDLI: Experimental Investigation of the Turbulent Fluid Flow Through a Rectangular Diffuser Using Two Equal Baffles

Content Provider	Springer Nature Link
Author	Debnath, R. Bhattacharjee, S. Majumder, S. Roy, D.
Copyright Year	2014
Abstract	An experimental study of the turbulent fluid flow through a rectangular diffuser has been carried out using two baffles of equal height positioned at different axial distances from inlet of the diffuser duct. Here, the working fluid is air at normal atmospheric condition. The steady, incompressible and three-dimensional turbulent flow is entered through the diffuser at a fixed Reynolds number, Re = 6.2 × 10$^{4}$. However, the measurements have been taken in the mid stream plane of the diffuser to avoid the end effects. It is observed that recirculatory flow is generated right from the midpoint of the top surface of the first baffle and continued up to further downstream of the second baffle. The size of the recirculation bubble gradually increases towards the downstream of the diffuser and then it finally vanishes. These entire phenomena are thoroughly investigated by the detailed velocity distribution in the normal direction at different axial position. The same experiment is considered to be carried out by PIV shortly for more accuracy.
Starting Page	19
Ending Page	23
Page Count	5
File Format	PDF
ISSN	22500545
Journal	Journal of The Institution of Engineers (India): Series C
Volume Number	95
Issue Number	1
e-ISSN	22500553
Language	English
Publisher	Springer India
Publisher Date	2014-03-18
Publisher Place	India
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Turbulent flow Industrial and Production Engineering Mechanical Engineering Baffle and recirculation Rectangular diffuser Aerospace Technology and Astronautics
Content Type	Text
Resource Type	Article
Subject	Ocean Engineering Industrial and Manufacturing Engineering Mechanical Engineering Aerospace Engineering

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