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Paper Information
Journal:   JOURNAL OF APPLIED FLUID MECHANICS (JAFM)   2016 , Volume 9 , Number 6; Page(s) 2671 To 2684.
 
Paper: 

Influence Of Size And Location Of A Thin Baffle On Natural Convection In A Vertical Annular Enclosure
 
 
Author(s):  Sankar M.*, Pushpa B.V., Prasanna B.M.R., Do Y.
 
* DEPARTMENT OF MATHEMATICS, SCHOOL OF ENGINEERING, PRESIDENCY UNIVERSITY, BANGALORE, INDIA
 
Abstract: 
This article reports the numerical study of natural convection in a differentially heated cylindrical annular enclosure with a thin baffle attached to inner wall. The inner and outer walls of the annulus are respectively maintained at higher and lower temperatures, whereas the top and bottom walls are thermally insulated. Using an implicit finite difference technique, the effects of baffle size and location on natural convection has been investigated for different Rayleigh numbers and radius ratios by fixing the Prandtl number at 0.707. Through the detailed numerical simulations, we have successfully captured the important effects of baffle size and location on the flow pattern and heat transfer rate. It has been found that the size and location of baffle modify the flow pattern and heat transfer rate in a completely different conducts. The numerical results corroborates that the average heat transfer rate increases with the Rayleigh number, radius ratio, baffle position, but decreases with baffle length. Further, it has been observed that it is possible to enhance or suppress the flow circulation and heat transfer rates by a proper choice of baffle size and location, and Rayleigh number.
 
Keyword(s): CONVECTION, BAFFLE, ANNULUS, FINITE DIFFERENCE METHOD
 
 
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APA: Copy

SANKAR, M., & PUSHPA, B., & PRASANNA, B., & DO, Y. (2016). INFLUENCE OF SIZE AND LOCATION OF A THIN BAFFLE ON NATURAL CONVECTION IN A VERTICAL ANNULAR ENCLOSURE. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), 9(6), 2671-2684. https://www.sid.ir/en/journal/ViewPaper.aspx?id=573305



Vancouver: Copy

SANKAR M., PUSHPA B.V., PRASANNA B.M.R., DO Y.. INFLUENCE OF SIZE AND LOCATION OF A THIN BAFFLE ON NATURAL CONVECTION IN A VERTICAL ANNULAR ENCLOSURE. JOURNAL OF APPLIED FLUID MECHANICS (JAFM). 2016 [cited 2022July06];9(6):2671-2684. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573305



IEEE: Copy

SANKAR, M., PUSHPA, B., PRASANNA, B., DO, Y., 2016. INFLUENCE OF SIZE AND LOCATION OF A THIN BAFFLE ON NATURAL CONVECTION IN A VERTICAL ANNULAR ENCLOSURE. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), [online] 9(6), pp.2671-2684. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=573305.
 
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