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Paper Information

Journal:   MODARES MECHANICAL ENGINEERING   JANUARY 2017 , Volume 16 , Number 10 ; Page(s) 353 To 363.
 
Paper: 

EFFECT OF MAGNETIC FIELD ON HYDRODYNAMIC OF A SINGLE BUBBLE BEHAVIOR IN QUIESCENT NEWTONIAN FLUID

 
 
Author(s):  ROSTAMI PEYMAN, ANSARI MOHAMMAD REZA*, ZAREI MOHSEN
 
* DEPARTMENT OF MECHANICAL ENGINEERING, TARBIAT MODARES UNIVERSITY
 
Abstract: 

In this paper, a single bubble free ascending in a vertical channel was studied experimentally. Five different Newtonian fluids were used where the surface tension force is dominant. The bubble trajectory was considered in water, glycerin 30 and 50 Vol% that is zigzag, however, linear behavior is observed while the weight concentration of the glycerin reaches to 80 and 100 percent. The bubble rise velocity and aspect ratio coefficient are calculated by image analysis via MATLAB software. The results are in a very good agreement with the literature for the bubble velocity. The effect of magnetic field (perpendicular to the bubble flow) on the hydrodynamic characteristics of the bubble for each of the working fluids has been scrutinized. Although the presence of the magnetic field does not affect the bubble trajectory type or change the flow pattern from zigzag to linear, it reduces the flow domain where this descending trend decreases with the increase in viscosity. It should also be noted that the magnetic field causes the bubble rise velocity to increase while this enhancement increases with higher viscosity. The magnetic field effect on the bubble aspect ratio was also considered and it was found that as viscosity increases the aspect ratio change decreases.

 
Keyword(s): SINGLE BUBBLE RAISE, MAGNETIC FIELD EFFECT, RAISE VELOCITY, ASPECT RATIO, TRAJECTORY
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

ROSTAMI, P., & ANSARI, M., & ZAREI, M. (2017). EFFECT OF MAGNETIC FIELD ON HYDRODYNAMIC OF A SINGLE BUBBLE BEHAVIOR IN QUIESCENT NEWTONIAN FLUID. MODARES MECHANICAL ENGINEERING, 16(10 ), 353-363. https://www.sid.ir/en/journal/ViewPaper.aspx?id=571376



Vancouver: Copy

ROSTAMI PEYMAN, ANSARI MOHAMMAD REZA, ZAREI MOHSEN. EFFECT OF MAGNETIC FIELD ON HYDRODYNAMIC OF A SINGLE BUBBLE BEHAVIOR IN QUIESCENT NEWTONIAN FLUID. MODARES MECHANICAL ENGINEERING. 2017 [cited 2021August04];16(10 ):353-363. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571376



IEEE: Copy

ROSTAMI, P., ANSARI, M., ZAREI, M., 2017. EFFECT OF MAGNETIC FIELD ON HYDRODYNAMIC OF A SINGLE BUBBLE BEHAVIOR IN QUIESCENT NEWTONIAN FLUID. MODARES MECHANICAL ENGINEERING, [online] 16(10 ), pp.353-363. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=571376.



 
 
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