...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...

... Publishing 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}...

...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...

... nanoparticles in Reynolds numbers of 100, 250, 400 and 700. © 2019 Emerald Publishing Limited 2019 Emerald Publishing Limited Licensed re-use rights only Nusselt number Friction factor Elliptical tube bank Nanofluid Two-phase mixture method Laminar flow (4) ∇ ( φ P ρ P V...

... Emerald Publishing Limited Licensed re-use rights only Optimization Laminar flow Pressure drop Dimension ratio Trapezoidal microchannel Microchannels are used in cooling systems for electronic devices and heat exchangers (Hedayati and Domairry, 2015 ; Malvandi et al., 2016...

... dimensionless parameters: Somayeh Harimi can be contacted at: S-Harimi91@iau-arak.ac.ir 29 04 2016 08 08 2016 28 08 2016 © Emerald Publishing Limited 2018 Emerald Publishing Limited Licensed re-use rights only Circular cylinder Nusselt number Laminar flow Control...

... the strength of turbulence. The starting point of both the laminar flow and turbulent flow simulations is the momentum conservation equation for three-dimensional, incompressible, constant-property flow. This equation, expressed in Cartesian-tensor form, is conveyed by equation (1). When the flow is laminar...

... the influence of the wall roughness on laminar flow: (Equation 5) © Emerald Group Publishing Limited 2015 Numerical analysis Pressure drop Microchannels Laminar flow Random midpoint displacement Micro-electro-mechanical systems (MEMS), ranging from miniature transducers to complex...

...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...

... +=refers to dimensionless variable 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...

...=dimensionless temperature θ₁, θ₂=dimensionless temperature parameters Subscripts in=inlet section c=cold wall h=hot wall w=wall © Emerald Group Publishing Limited 2013 Flow Convection Laminar flow Heat transfer Radiation Forward facing step...

...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...

.... Sinhamahapatra can be contacted 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...

...., 2005). © Emerald Group Publishing Limited 2010 Flow Laminar flow Viscosity Fluid dynamics Differential equations Recently, spectral methods have been successfully applied in the approximation of boundary value problems defined in unbounded domains. We can apply different...

.... 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...

... Limited 2010 Blood Magnetic fields Laminar flow Biotechnology The governing equations were solved according to the closest vector problem (CVP) algorithm (Hatzikonstantinou and Sakalis, 2004 ; Sakalis et al., 2005) with the use of a chlorinated polyvinyl chloride grid...

... Transfer and Fluid Flow , Hemisphere , Washington, DC . Shah , R.K. and London , A.A. (1978), Laminar Flow and Heat Transfer in Ducts, Advances in Heat Transfer Series , Academic , New York, NY . Shaw , H.J. and Chen , W.L. (1991), “ Laminar forced‐convection...

... cavity problem, Dirichlet boundary conditions are imposed on the walls: (Equation 13) For laminar flow regimes (far from instability or transition to turbulence), we may expect the flow‐field to be symmetric about the center plane CP (Iwatsu et al. (1989) reported that the flow remains...