Effect of using multiple vortex generator rows on heat transfer enhancement inside an asymmetrically heated rectangular channel

H Karkaba, S Russeil, JVS Tala, D Bougeard… - Applied Thermal …, 2023 - Elsevier
Enhancing the convective heat transfer is essential in solar applications for efficiency
improvement. This can be achieved using Vortex Generators (VGs). Previous studies have …

Numerical investigation on thermal–hydraulic characteristics in a mini-channel with trapezoidal cross-section longitudinal vortex generators

S Zheng, Z Feng, Q Lin, Z Hu, Y Lan, F Guo… - Applied Thermal …, 2022 - Elsevier
The stringent requirement and rapid increase in heat dissipation for the high heat flux
devices have brought great challenges to cooling performance of mini-channel heat sink …

[HTML][HTML] CFD analysis on the spatial effect of vortex generators in concentric tube heat exchangers–A comparative study

R Aridi, S Ali, T Lemenand, J Faraj, M Khaled - International Journal of …, 2022 - Elsevier
The present article is discussing the performance of heat transfer enhancement (HTE) using
a trapezoidal vortex generator in a Concentric Tube Heat Exchanger (CTHE) through …

[HTML][HTML] Numerical investigation of the hydrothermal performance of novel vortex generators in a rectangular channel by employing inclination and rotational angles

MK Fahad, NF Ifraj, SH Tahsin, MJ Hasan - International Journal of …, 2023 - Elsevier
Vortex generators are passive methods of heat transfer enhancement in any thermal system.
However, more research is needed to compare the effects of vortex generators having …

Deep reinforcement learning for the control of conjugate heat transfer

E Hachem, H Ghraieb, J Viquerat, A Larcher… - Journal of …, 2021 - Elsevier
This research gauges the ability of deep reinforcement learning (DRL) techniques to assist
the control of conjugate heat transfer systems governed by the coupled Navier–Stokes and …

Surrogate-based optimization of the attack and inclination angles of a delta winglet pair vortex generator in turbulent channel flow

S Ali, C Habchi, H Zaytoun, M Khaled… - International Journal of …, 2023 - Elsevier
Vortex generators (VGs) have been extensively studied and utilized in multifunctional heat
exchangers/reactors due to their remarkable ability to create coherent flow structures and …

Performance improvement of air cooled photo-voltaic thermal panel using economic model predictive control and vortex generators

H Karkaba, L Etienne, U Pelay, S Russeil, J Boonaert… - Renewable Energy, 2023 - Elsevier
Abstract Photo-Voltaic/Thermal (PVT) system performance is defined by two main factors,
the electric power generated from the Photo-Voltaic (PV) module, and the thermal power that …

Hydrogen preheating in a PEMFC system employing a heat exchanger equipped with an innovative turbulator

SSM Ajarostaghi, M Zaboli, B Kiani, S Saedodin… - International Journal of …, 2022 - Elsevier
Membrane electrodes are the essential parts of a proton exchange membrane fuel cell
(PMFC), and they have a significant impact on the shelf life of the stack. Under the influence …

Thermal-hydraulic-dynamic investigation of an inverted self-fluttering vortex generator

R Pham, S Wang, J Dahlgren, N Grindstaff… - International Journal of …, 2022 - Elsevier
Static vortex generators initiate vortical structures; an active generator intensifies the vortices
through local agitations. Flow-induced vibrations present a hybrid approach to enhance …

Advancing thermal performance through vortex generators morphing

S Ali, T Dbouk, G Wang, D Wang, D Drikakis - Scientific Reports, 2023 - nature.com
The design of rigid vortex generators (RVG) influences the thermal performance of various
technologies. We employed Discrete Adjoint-Based Optimization to show the optimal …