... with the unsteady Favre-averaged Navier–Stokes equations. Corresponding author Diego Hayashi Alonso diego.alonso@usp.br 30 04 2026 01 05 2026 01 05 2026 Fluid topology optimisation Discontinuous Galerkin Transient flow Turbulent flow Compressible flow Engineering...

... and turbulent flow conditions. Compared to the standard denTopO, its ability to compute FSIs along which accurate boundary conditions are imposed, increases the accuracy of the flow solver, which usually leads to optimal, rather than sub-optimal, solutions that truly satisfy the imposed constraints...

... stream was impinged on the PCM filled body at different Reynolds numbers. Design/methodology/approach Two-dimensional analysis of melting of PCM inserted A block via impinging turbulent slot jet is numerically studied. Governing equations for turbulent flow are solved by using the finite element...

... the ensemble-averaged Navier-Stokes equations for incompressible flow at moderate Reynolds number (Re = 22,000) with the k-ɛ turbulence model equations. Findings A computational fluid dynamics analysis of turbulent flow past a non-regular pentagonal cylinder with three different aspect ratios aspect ratios...

...). Highly turbulent flows are often difficult to be achieved and accurately measured experimentally, resulting in the lack of correlations at high Reynolds numbers. Furthermore, most of the existing correlations are valid only for a fixed channel geometry, limiting their use for design purposes of PCHEs...

... Emerald Publishing Limited Licensed re-use rights only Sweeping jet Fluidic oscillator Coanda effect Feedback channel CFD Turbulent flow Flow control The effects of pollutant emissions are a global concern. Transport energy, namely, aeronautic, train and automotive, is particularly...

...Alejandro Figueroa; Rainald Löhner Purpose The purpose of this paper is to shed some light into the equivalency of grid size and spatial and temporal orders of accuracy for turbulent flows. Design/methodology/approach This paper compared several finite difference schemes on various meshes...

... developed region in pipes. Numerous friction factor equations are valid for both smooth and rough turbulent flows in pipes. The first equation for friction factor (f) is developed by Blasius (1913) . The Blasius formula is: Mehmet Sorgun can be contacted at: mehmetsorgun@gmail.com 22 07...

... at: marjan.goodarzi@tdtu.edu.vn 03 04 2019 20 07 2019 26 07 2019 26 07 2019 © Emerald Publishing Limited 2019 Emerald Publishing Limited Licensed re-use rights only Nanofluid Optimization Turbulent flow Genetic algorithm Heat exchanger C_p = Specific...

.../approach The DWOSMC method is coupled with LES for the numerical simulation of aerosol dynamics in turbulent flows. Findings Firstly, the newly developed and coupled LES-DWOSMC method is verified by the results obtained from a direct numerical simulation-sectional method (DNS-SM) for coagulation...

...Reza Azadbakhti; Farzad Pourfattah; Abolfazl Ahmadi; Omid Ali Akbari; Davood Toghraie Purpose The purpose of this study is simulation the flow boiling inside a tube in the turbulent flow regime for investigating the effect of using a porous medium in the boiling procedure. Design/methodology...

... 2019 Emerald Publishing Limited Licensed re-use rights only Turbulent flow Thermal comfort Heat transfer Predicted mean vote Ceiling fan Saving energy The annual growing of energy consumption in recent years has caused most people in the world to seek a solution to reduce energy...

...Mohammad Fazli; Mehrdad Raisee Purpose This paper aims to predict turbulent flow and heat transfer through different channels with periodic dimple/protrusion walls. More specifically, the performance of various low-Re k-ε turbulence models in prediction of local heat transfer coefficient...

...]; ρ = density [kg/m³]; ϕ = nanoparticle volume fraction (%); and Δ = delta. Setting the governing equations is essential to complete the computational fluid dynamics analysis for the square duct. The turbulent flow regime is defined and the heat transfer...

... concentration and decreasing nanoparticles diameter; however, pressure drop increases significantly. Hojjat et al. (2011b) empirically studied the forced convection heat transfer for three different non-Newtonian nanofluids inside a circular tube under the influence of turbulent flow regime...

... be applied to determine the flow rate of gases as well as liquids and suspensions. The fluid flow rate measurement based on the method considered in this paper can be particularly useful in newly designed as well as already operated ducts. Appearance of an additional term in the equation of turbulent flow...

... the strength of turbulence. John Gorman can be contacted at: gorma157@umn.edu 08 10 2015 25 11 2015 04 12 2015 © Emerald Publishing Limited 2017 Emerald Publishing Limited Licensed re-use rights only Turbulent flow Angle of attack Pressure drop Laminar flow Perforated...

... be contacted at: pml0006@uah.edu © Emerald Group Publishing Limited 2016 Numerical simulation Angled ribs Gap width Heat transfer augmentation Turbulent flow Rib turbulators are employed to enhance convective heat transfer rates within internal flow ducts, by increasing secondary flows...

... of the constrained large-eddy simulation (CLES) method in predicting the fully developed turbulent flow and heat transfer in a stationary periodic square duct with two-side ribbed walls. Design/methodology/approach – The rib height-to-duct hydraulic diameter ratio is 0.1 and the rib pitch-to-height ratio is 9...

...Herbert Keith Winning; Tim Coole Purpose – The purpose of this paper is to present an improved computational method for determining the friction factor for turbulent flow in pipes. Design/methodology/approach – Given that the absolute pipe roughness is generally constant in most systems...