... by 36% when the surface area increased from a tube diameter of 8 mm to 17.8 mm. Also, the temperature distribution in the turbulent regime remains constant from the highest point to the bottom point. However, it significantly differs in laminar flow. A suitable correlation is suggested for the variation...

..., considering the effects of viscosity dissipation due to the high viscosity of the fluid. The flow has both velocity and temperature profiles developing simultaneously in a tube with a constant diameter having a uniform wall heat flux in a laminar flow regime, particularly the behavior of heat transfer...

... other designs. Also, the pressure drop for case-4 is not too high as compared to other designs. e-mail:  ashokbarik.mech@gmail.com 05 03 2021 28 05 2021 28 06 2021 constructal theory design topology cooling computatinal fluid dynamics laminar flow Evolution means...

... − δ ( T − T 0 ) ] + σ β o 2 V z ] In   z   direction   e-mails:  hayder.i.mohammad@garmian.edu.krd ; haidarnuceng@gmail.com 08 01 2019 08 08 2019 08 10 2019 natural convection vertical cylinder porous media laminar flow...

... – 66 . 10.1016/S0142-727X(02)00208-4 [28] Sahu , A. K. , Chhabra , R. P. , and Eswaran , V. , 2009 , “ Two-Dimensional Unsteady Laminar Flow of a Power Law Fluid Across a Square Cylinder ,” J. Non-Newtonian Fluid Mech. , 160 ( 2–3 ), pp. 157 – 167 . 10.1016/j.jnnfm.2009.03.010...

....2013.10.001 [15] Huminic , G. , and Huminic , A. , 2013 , “ Numerical Analysis of Laminar Flow Heat Transfer of Nanofluids in a Flattened Tube ,” Int. Commun. Heat Mass Transfer , 44 , pp. 52 – 57 . 10.1016/j.icheatmasstransfer.2013.03.003 [16] Sasmito , A. P. , Kurnia , J. C...

... properties and heat transfer performance of the nanofluid, which exhibits a great potential in enhancing heat transfer. Nowadays, the nanofluids are being used in a wide range of industrial and commercial applications [ 6 ]. Laminar flow and heat transfer characteristics of Al 2 O 3 –H 2 O nanofluid...

... of a classical Sturm-Liouville eigenvalue problem. The fully converged results confirm the adequacy of this single domain approach in handling conjugated heat transfer problems in microchannels, when axial diffusion effects must be accounted for. microchannels conjugated heat transfer laminar flow axial...

... was derived showing an increase in the rates of heat transfer with increasing rotational Reynolds number and with decreasing flow Reynolds number. Effects of natural convection and viscous dissipation were assumed negligible. heat convection porous disk rotating disk laminar flow Convective...

.... Assoc. Editor: William P. Klinzing. 30 01 2012 17 02 2013 Numerical investigation on mixed convection of a two-dimensional incompressible laminar flow over a horizontal flat plate with streamwise sinusoidal distribution of surface temperature has been performed for different values...

... and not a specified input. The dimensionless streamwise variations of the temperature and heat flux are shown in Figs. 6–10 . The successive figures range from pure laminar flows, to laminar-turbulent flows, to pure turbulent flows. Figure 6 contains information for Reynolds-number-matched laminar flows. Fig...

... Transfer Characteristics of Water-Based Al2O3 Nanofluids in Fully Developed Laminar Flow Regime ,” Int. J. Heat Mass Transfer , 52 , pp. 193 – 199 . 10.1016/j.ijheatmasstransfer.2008.06.032 [22] Nield , D. A. , and Kuznetsov , A. V. , 2009 , “ Thermal Instability in a Porous Medium Layer...

.... 01 02 2012 12 08 2012 The experimental friction factor and Nusselt number data for laminar flow through a circular duct having wire-coil and helical screw-tape inserts have been presented. Peripherally and axially local temperatures on the duct outside wall have been measured...

...D. A. Cruz; P. M. Coelho; M. A. Alves In this work, we propose an approximate methodology to estimate the Nusselt number and friction factor in fully developed non-Newtonian laminar flow in circular pipes for a constant wall heat flux. The methodology was tested using several constitutive equations...

...Yongping Chen; Chengbin Zhang; Panpan Fu; Mingheng Shi The fractal characterization of surface topography by using Cantor set structures is introduced to quantify the microchannel surface. Based on this fractal characterization of surface, a model of laminar flow in rough microchannels is developed...

... catalysis channel flow chemically reactive flow combustion desorption heat transfer hydrogen laminar flow numerical analysis oxygen platinum surface chemistry catalyst catalytic channel flow surface reaction hydrogen platinum Platinum and palladium are common catalysts used...

... integrated photovoltaics computational fluid dynamics laminar flow natural convection numerical analysis refrigeration natural convection Rayleigh–Benard convection computational modeling variable properties Since heat transfer in a fluid can only be modeled as a boundary value problem...

... is very high producing an isothermal array. There are solutions to this problem in the literature in which the optimal fin spacing has been estimated in the case of a turbulent or laminar flow when the pressure drop, mass flow rate or pumping power are fixed [( 26 )]. No solutions are presented where...

... are presented for all the cases. The predicted correlations for Nusselt numbers can be very useful resource for the design and optimization of microchannel heat sinks and other microfluidic devices. boundary layers computational fluid dynamics flow simulation heat sinks heat transfer laminar flow...

... stainless steel 304 tubes 05 01 2011 22 08 2011 13 12 2011 13 12 2011 boundary layers heat conduction laminar flow microchannel flow laminar flow single-phase flow model axial conduction heat transfer coefficient microchannels With the developments...