[HTML][HTML] Turbulent Heat Transfer over roughness: a comprehensive review of theories and turbulent flow structure

M Kadivar, H Garg - International Journal of Thermofluids, 2024 - Elsevier
Turbulent heat transfer over rough surfaces is crucial in natural and industrial processes, yet
it has received less attention than that of momentum transfer. Recently, research in this field …

Tomographic flow measurements over additively manufactured cooling channel roughness

R Boldt, ST McClain, RF Kunz, X Yang - Experiments in Fluids, 2024 - Springer
Additive manufacturing (AM) offers many potential advantages to constructing gas turbine
components such as allowing for more complex geometry in carefully optimized designs. AM …

[HTML][HTML] Heat transfer enhancement with additively manufactured rough surfaces: Insights from large-eddy simulations

H Garg, L Wang, C Fureby - Physics of Fluids, 2024 - pubs.aip.org
To study the impact of additively manufactured (AM) roughness on fluid flow and heat
transfer, we performed a series of high-fidelity large-eddy simulations on turbulent heat …

[HTML][HTML] The role of the areal parameters on turbulent flow over 2D Gaussian roughness

F Bruno, M De Marchis, E Napoli - International Journal of Heat and Fluid …, 2024 - Elsevier
In the past decades, numerous efforts have been dedicated to establishing a direct
correlation between a geometric parameter that represents wall roughness and the …

Influence of particle density on turbulence characteristics over a rough surface

K Singh, K Prasad - Journal of Engineering and Applied Science, 2024 - Springer
The objective of the study is to use a 3D Acoustic Doppler Velocimeter (ADV) to gauge the
typical flow and turbulence characteristics within a non-uniform open channel. The findings …

Low-Reynolds-number droplet motion in shear flow micro-confined by a rough substrate

J Melbye, Y Wang - Physics of Fluids, 2024 - pubs.aip.org
A three-dimensional spectral boundary element method has been employed to compute for
the dynamics of the droplet motion driven by shear flow near a single solid substrate with a …

Transient high-temperature dust diffusion and deposition in a tee duct with vortex by large eddy simulations

M Chu, Y Diao, J Jiang, K Han… - Particulate Science and …, 2024 - Taylor & Francis
This study employed computational fluid dynamics-discrete phase model (CFD-DPM) to
investigate the transport characteristics of transient high-temperature dust in a vertical tee …

Large Eddy Simulations of Flow over Additively Manufactured Surfaces: Impact of Roughness and Skewness on Turbulent Heat Transfer

H Garg, G Sahut, E Tuneskog, KJ Nogenmyr… - arXiv preprint arXiv …, 2024 - arxiv.org
Additive manufacturing creates surfaces with random roughness, impacting heat transfer
and pressure loss differently than traditional sand-grain roughness. We conducted high …

Characterizing and Modelling of Surface Roughness and its Impact on Additively Manufactured Fluid Components

E Tuneskog - 2024 - search.proquest.com
Reducing emissions in energy production requires adapting gas turbines to renewable
fuels, such as hydrogen-based options. However, traditional manufacturing methods limit …

[PDF][PDF] Experimental investigation on Forced Convective Heat Transfer and Pressure Loss for Additively Manufactured Cooling Channels

IEB Soares - 2024 - repositorio-aberto.up.pt
This study aims to characterize the hydraulic and thermal performance of internal flow
surfaces with roughness derived from additive manufacturing, using different Prandtl …