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Paper Information

Journal:   JOURNAL OF APPLIED FLUID MECHANICS (JAFM)   2016 , Volume 9 , Number 2; Page(s) 751 To 756.
 
Paper: 

MIXING OF CO-AXIAL STREAMS: EFFECTS OF OPERATING CONDITIONS

 
 
Author(s):  AZIM M.A.*
 
* DEPARTMENT OF MECHANICAL ENGINEERING, BANGLADESH UNIVERSITY OF ENGINEERING AND TECHNOLOGY, DHAKA-1000, BANGLADESH
 
Abstract: 

Present study reports the effects of operating conditions on the mixing of two co-axial streams. Produced mixing layers between the co-axial streams are investigated numerically in the developing regions. Closed form governing equations of the mixing layer flow are solved using Fully Implicit Numerical Scheme (FINS) and Tridiagonal Matrix Algorithm (TDMA). Calculations are made for the mean and turbulence properties, and spatial mixing deficiency (SMD). Obtained results show that increase in flow width does not correspond to increase in spatial mixing while increased level of centerline velocity, centerline concentration, mean vorticity, turbulent shear stress and turbulent kinetic energy (TKE) corresponds to increase in spatial mixing.

 
Keyword(s): CO-AXIAL STREAM, OPERATING CONDITION, SPATIAL MIXING, NUMERICAL SIMULATION
 
References: 
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