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Paper Information

Journal:   JOURNAL OF APPLIED FLUID MECHANICS (JAFM)   2016 , Volume 9 , Number 4; Page(s) 1679 To 1694.
 
Paper: 

FLOW FIELD AND HEAT TRANSFER INVESTIGATION OF A CONFINED LAMINAR SLOT AIR JET ON A SOLID BLOCK

 
 
Author(s):  MUTHUKANNAN M.*, RAJESH KANNA P., JEYAKUMAR S., BAJPAI A.
 
* KALASALINGAM UNIVERSITY, KRISHNANKOIL, TAMILNADU, 626126, INDIA
 
Abstract: 

A numerical investigation is carried out to investigate the fluid flow field and heat transfer characteristics of two dimensional laminar incompressible jet flows. Simulations are performed for a single vertical slot jet on a block mounted on the bottom wall and the top wall is confined by a parallel wall surface. The present study reveals the vital impact of the Aspect Ratio (AR) and Reynolds number (Re) on the fluid flow and heat transfer characteristics over a wide range. It is observed that the presence of a solid block in the channel increases the overall unsteadiness in the flow. The correlation between the Reynolds numbers and reattachment length is suggested, for all Aspect Ratios (ARs). The horizontal velocity profile at various downstream locations for all ARs is employed to find out the location where the flow gets fully developed.
The primary peak value of the Nusselt number (Nu) occurs at the stagnation point, and the secondary peak is at a downstream location. The average Nusselt number increases with the increase of Reynolds number and decreases with the increase of the distance between the jet and the block. The heat transfer correlations between the Reynolds number and Nusselt number are analyzed for constant wall temperature boundary conditions.

 
Keyword(s): IMPINGING JET, REYNOLDS NUMBER, ASPECT RATIO, NUSSELT NUMBER, VORTEX CENTER, COEFFICIENT OF FRICTION
 
 
References: 
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Click to Cite.
APA: Copy

MUTHUKANNAN, M., & RAJESH KANNA, P., & JEYAKUMAR, S., & BAJPAI, A. (2016). FLOW FIELD AND HEAT TRANSFER INVESTIGATION OF A CONFINED LAMINAR SLOT AIR JET ON A SOLID BLOCK. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), 9(4), 1679-1694. https://www.sid.ir/en/journal/ViewPaper.aspx?id=570776



Vancouver: Copy

MUTHUKANNAN M., RAJESH KANNA P., JEYAKUMAR S., BAJPAI A.. FLOW FIELD AND HEAT TRANSFER INVESTIGATION OF A CONFINED LAMINAR SLOT AIR JET ON A SOLID BLOCK. JOURNAL OF APPLIED FLUID MECHANICS (JAFM). 2016 [cited 2021May11];9(4):1679-1694. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=570776



IEEE: Copy

MUTHUKANNAN, M., RAJESH KANNA, P., JEYAKUMAR, S., BAJPAI, A., 2016. FLOW FIELD AND HEAT TRANSFER INVESTIGATION OF A CONFINED LAMINAR SLOT AIR JET ON A SOLID BLOCK. JOURNAL OF APPLIED FLUID MECHANICS (JAFM), [online] 9(4), pp.1679-1694. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=570776.



 
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