...Mohammed S. Ismail; Mohamed R. Berber; Ziyad A. Alrowaili; Mohamed Pourkashanian Purpose This paper aims to numerically solve fully developed laminar flow in trapezoidal ducts with rounded corners which result following forming processes. Design/methodology/approach A two-dimensional model...

... Limited 2021 Emerald Publishing Limited Licensed re-use rights only Conjugate heat transfer Computational fluid dynamics Laminar flow Friction factor Reynolds number Secondary flows Nomenclature A = area (m^{2); A_con = convective heat transfer area}...

...Hamidou Benzenine; Rachid Saim; Said Abboudi; Hakan F. Öztop; Nidal Abu-Hamdeh Purpose The purpose of this paper is to present a three-dimensional (3D) analysis of the laminar flow of air and the conjugate heat transfer in a pipe of rectangular cross-section with a solid or perforated deflector...

... The nanofluid is graphene nanoplatelets-silver/water, and the heat transfer in laminar flow was investigated. The range of coolant Reynolds number in this investigation was 200 ≤ Re ≤ 1000, and the concentrations of nano-sheets were from 0 to 0.1 vol. %. Findings Results show that higher temperature leads...

... method Laminar flow C_p = Specific heat capacity (J/kg.K); d_p = Solid nanoparticle diameter (nm); d_f = Diameter of base fluid molecules (nm); D = Elliptical tube equivalent diameter (m); Gr = Grashof number; k = Thermal...

... in microchannels. They concluded that Nusselt number increases with the increase in Reynolds number in the laminar flow regime. Tokit et al. (2012) investigated thermal performance of optimized interrupted microchannel heat sink using nanofluids. They concluded that the particle migration results...

... 2016 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Circular cylinder Nusselt number Laminar flow Control rods Forced convection heat transfer Overset grid method Boundary conditions in the major grid: At the inlet boundary...

... the strength of turbulence. Turbulent flow Angle of attack Pressure drop Laminar flow Perforated plate Although the literature search did not unearth prior work on flows inclined at an angle of attack to flat perforated plates situated in rectangular ducts, other situations were encountered...

..., the lattice Boltzmann Bhatnagar-Gross-Krook (LBGK) model is the most widely used, which is applied herein for its simplicity. © Emerald Group Publishing Limited 2015 Numerical analysis Pressure drop Microchannels Laminar flow Random midpoint displacement Micro-electro-mechanical...

...Dr Hong-Yan Liu and Dr Ji-Huan He; Zhongfu Ren; Fanzhi Kong; Yongxiang Kang; Haiyan Kong Purpose – The purpose of this paper is to theoretically investigate the thermal and hydrodynamic performance of the flow pattern of fluid in the charged jet. The flow pattern includes laminar flow in which...

... Nanofluids Mixed convection Laminar flow Transient phase Vertical tube Bi*=Biot number Cp=specific heat capacity, J · kg−1 · K−1 D=internal diameter of the tube, m Gr=Grashof number g=acceleration of the gravity, m · s−2 h=external heat transfer coefficient, W · m−2 · K−1...

... © Emerald Group Publishing Limited 2013 Flow Convection Laminar flow Heat transfer Radiation Forward facing step Laminar convection flow Radiation heat transfer A_x, A_y=areas of control volume faces normal to the x‐ and y‐directions...

...Precious Sibanda; Sandile Motsa; Zodwa Makukula Purpose The purpose of this paper is to study the steady laminar flow of a pressure driven third‐grade fluid with heat transfer in a horizontal channel. The study serves two purposes: to correct the inaccurate results presented in Siddiqui et al...

...Roseane L. Silva; João N.N. Quaresma; Carlos A.C. Santos; Renato M. Cotta Purpose The purpose of this paper is to provide an analysis of two‐dimensional laminar flow in the entrance region of wavy wall ducts as obtained from the solution of the steady Navier‐Stokes equations for incompressible...

... at: kalyanps@iitkgp.ac.in © Emerald Group Publishing Limited 2011 Magnetic fields Simulation Turbulent flow Laminar flow The flow over a circular cylindrical body is a common phenomenon in many engineering applications. The flow is essentially unsteady except at very low Reynolds numbers...

.... A time‐periodic unsteady solution first appears at Gr = 20,900 and the amplitude of the fluctuation grows as Gr is increased. Research limitations/implications The study is limited to laminar flow in a square cavity. Further extension of this work could include the influence...

... that the present solution is highly accurate. Originality/value This paper demonstrates solving of the nonlinear Blasius equation with an efficient method. © Emerald Group Publishing Limited 2010 Flow Laminar flow Viscosity Fluid dynamics Differential equations Recently, spectral methods...

... at: p.papadopoulos@des.upatras.gr © Emerald Group Publishing Limited 2010 Blood Magnetic fields Laminar flow Biotechnology The use of magnetorheological biofluids for medical purposes is a very promising technique in medicine. Their magnetic properties can be utilized in cancer therapy...

... constraints. Antonio Campo can be contacted at: campanto@yahoo.com © Emerald Group Publishing Limited 2010 Optimum design Laminar flow Convection Cooling Flow Fluid dynamics b initial channel width, heater width, heater spacing D_h hydraulic diameter (2b) g...

... Group Publishing Limited 2009 Laminar flow Flow Modelling Fluid dynamics Viscous recirculating flow in a wall‐bounded cavity, driven by steady, tangential, linear translation of its lid is an excellent setup for studying many fundamental phenomena of incompressible flows...