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DRBEM solution of natural convection flow of micropolar nanofluids
Date
2015-07-13
Author
Gümgüm, Sevin
Tezer, Münevver
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URI
https://hdl.handle.net/11511/87802
Conference Name
UK Conference on Boundary Integral Methods, (13 - 14 Temmuz 2015)
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Unverified, Conference / Seminar
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DRBEM solution of natural convection flow of nanofluids with a heat source
Gumgum, S.; Tezer, Münevver (Elsevier BV, 2010-08-01)
This paper presents the dual reciprocity boundary element method (DRBEM) solution of the unsteady natural convective flow of nanofluids in enclosures with a heat source. The implicit Euler scheme is used for time integration. All the convective terms are evaluated in terms of DRBEM coordinate matrix. The vorticity boundary conditions are obtained from the Taylor series expansion of stream function equation. The results report that the average Nusselt number increases with the increase in both volume fractio...
DRBEM solution of mixed convection flow of nanofluids in enclosures with moving walls
Gumgum, S.; Tezer, Münevver (Elsevier BV, 2014-03-15)
This paper presents the results of a numerical study on unsteady mixed convection flow of nanofluids in lid-driven enclosures filled with aluminum oxide and copper-water based nanofluids. The governing equations are solved by the Dual Reciprocity Boundary Element Method (DRBEM), and the time derivatives are discretized using the implicit central difference scheme. All the convective terms and the vorticity boundary conditions are evaluated in terms of the DRBEM coordinate matrix. Linear boundary elements an...
DRBEM Solution of Biomagnetic Convection Flow in a Rectangular Pipe
Şenel, Pelin; Tezer, Münevver (null; 2016-10-12)
DRBEM SOLUTION OF THE NATURAL CONVECTIVE FLOW OF MICROPOLAR FLUIDS
Gumgum, S.; Tezer, Münevver (Informa UK Limited, 2010-01-01)
The main purpose of this article is to present the use of the dual reciprocity boundary element method (DRBEM) in the analysis of the unsteady natural convective flow of micropolar fluids in a differentially heated rectangular cavity. The finite-difference method (FDM) is used for time discretization. All the convective terms and vorticity boundary condition are evaluated in terms of DRBEM coordinate matrix. Solutions are obtained for several values of microstructure parameter (k), Rayleigh number (Ra), and...
DRBEM solution of natural convective heat transfer with a non-Darcy model in a porous medium
Pekmen, B.; Tezer, Münevver (2015-03-01)
This study presents the dual reciprocity boundary element (DRBEM) solution of Brinkman-Forchheimer-extended Darcy model in a porous medium containing an incompressible, viscous fluid. The governing dimensionless equations are solved in terms of stream function, vorticity and temperature. The problem geometry is a unit square cavity with either partially heated top and bottom walls or hot steps at the middle of these walls. DRBEM provides one to obtain the expected behavior of the flow in considerably small ...
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S. Gümgüm and M. Tezer, “DRBEM solution of natural convection flow of micropolar nanofluids,” Brighton, İngiltere, 2015, p. 159, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/87802.
