Volume 13, Issue 14 (Second Special Issue 2014)                   Modares Mechanical Engineering 2014, 13(14): 94-106 | Back to browse issues page

‎ 20.1001.1.10275940.1392.13.14.1.9

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sefid M, izadpanah E. The effect of insert tube on hydrodynamic and thermal performance of Newtonian and non-Newtonian fluid. Modares Mechanical Engineering 2014; 13 (14) :94-106
URL: http://mme.modares.ac.ir/article-15-817-en.html
The effect of insert tube on hydrodynamic and thermal performance of Newtonian and non-Newtonian fluid
Mohammad Sefid * , Ehsan Izadpanah
Abstract:   (5154 Views)
The incompressible Newtonian and non-Newtonian fluid flow in a tube with disk insert is studied numerically using finite volume and boundary fitted coordinate method. The non-Newtonian fluid is time independent purely viscous that is simulated by the power law model. The effects of power law index, thickness, aspect ratio, Prandtl number and the distance between insert tubes on heat transfer, pressure drop and overall enhancement ratio (OER) are investigated for the Reynolds numbers 500, 1000 and 1500. The results show that the effect of power law index on pressure drop and overall enhancement ratio is more than the other parameters.
Keywords: insert tube, Newtonian and non-Newtonian fluid, overall enhancement ratio
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Article Type: Research Article | Subject: CFD|Non-Newtonian Fluid Mechanics
Received: 2013/06/10 | Accepted: 2013/08/7 | Published: 2014/02/20
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