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Paper Information

Journal:   PETROLEUM RESEARCH   SUMMER 2012 , Volume 22 , Number 70; Page(s) 85 To 100.
 
Paper: 

NUMERICAL MODELING OF TURBULENCE MIXED CONVECTION OF WATER AND DRILLING MUD INSIDE A SQUARE ENCLOSURE BY VARIOUS TURBULENCE MODELS

 
 
Author(s):  SAFAEI M.R.*, GOODARZI M., GOSHAYESHI H.R.
 
* YOUNG RESEARCHERS CLUB, MASHHAD BRANCH, ISLAMIC AZAD UNIVERSITY
 
Abstract: 

In the current study, after validating the accuracy of the current solution, mixed convection heat transfer in a square enclosure for drilling mudas a non-Newtonian fluidand wateras a Newtonian fluid—is investigated by finite volume method. The turbulence methods used in this study are the reliable methods such as RNG, standard, and RSM. The outcome of the investigation implies that under natural convection conditions, velocity boundary layer is somewhat asymmetrical on the cold wall and the fluid at the center of enclosure remains stratified and still. The existing graphs also indicate that the turbulence intensity is higher for forced convection than natural convection. Also, the maximum turbulence intensity is greater for drilling mud than water. One of the most prominent outcomes to be named is that, under similar circumstances, the Nusselt number for water is far more than the one for drilling mud, which confirms that convection heat transfer is greater in the water than the drilling mud.

 
Keyword(s): NON NEWTONIAN FLUID, MIXED CONVECTION HEAT TRANSFER, TURBULENCE FLOW, SQUARE ENCLOSURE, FINITE VOLUME METHOD
 
References: 
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