Heat transfer enhancement of a heat exchanger using novel multiple perforated magnetic turbulators (MPMT): An experimental study

C Pan, AM Alqahtani, H Wei, N Sulaiman… - International Journal of …, 2024 - Elsevier
The magnetic turbulator and electromagnetic vibration (EMV) methods have recently been
employed to enhance heat transfer in heat exchangers. This method involves placing a …

A sensitivity analysis of the effect of curvature ratio on the thermal-hydraulic performance in helically coiled tubes with corrugated walls

SM Kirkar, A Gönül, AS Dalkilic - International Journal of Thermal Sciences, 2023 - Elsevier
To enhance thermal-hydraulic performance by rising the heat transfer rate with reasonable
pressure loss, heat transfer augmentation methods should be considered in the heat …

Experimental investigation on the heat transfer augmentation and friction factor inside tube enhanced with deep dimples

A Khashaei, M Ameri, S Azizifar… - … Communications in Heat …, 2023 - Elsevier
This study aims to investigate experimentally heat transfer improvement in the longitudinal
and circumferential direction and pressure drop of distilled water when flowing inside deep …

Enhancement of heat transfer characteristics in wavy microchannel heat sinks with streamlined micropins within convergent-divergent flow passages

A Gönül - Applied Thermal Engineering, 2025 - Elsevier
In the current study, the heat transfer characteristics of a novel design microchannel with a
wavy sinusoidal convergent-divergent wall structure featuring streamlined pins have been …

Enhancement of thermal and flow characteristics in helically coiled tubes with corrugated surfaces by Genetic Algorithm based optimization

SM Kirkar, A Gönül, AS Dalkilic - International Journal of Heat and Fluid …, 2024 - Elsevier
This study investigates the combined use of helically coiled tubes and corrugated surface
structures as two different heat transfer enhancement techniques. Both the curvature ratio …

Study of the enhanced heat transfer characteristics of wavy-walled tube heat exchangers under pulsating flow fields

L Zhang, W Wang, P Qu, X Yao, J Song, S Wang… - Physics of …, 2023 - pubs.aip.org
Heat exchangers have a very wide range of applications in many industrial fields, so the
rational design and the performance are to improve the heat exchanger energy efficiency …

Morphing optimization of flow and heat transfer in concentric tube heat exchangers

S Ali, T Dbouk, M Khaled, J Faraj, D Drikakis - Physics of Fluids, 2023 - pubs.aip.org
Concentric tube heat exchangers are vital in various industrial applications, including
chemical, process, energy, mechanical, and aeronautical engineering. Advancements in …

Multi-objective optimization of two-phase ice slurry flow and heat transfer characteristics in helically coiled tubes with RSM and NSGA-II

S Mi, J Liu, L Cai, C Xu - International Journal of Thermal Sciences, 2024 - Elsevier
Ice slurry has been widely used in the field of building air conditioning because of its high
energy storage density. The helically coiled tube heat exchangers (HCTHXs) utilizing ice …

Enhancing heat transfer in various grooved annular for Taylor-Couette-Poiseuille flow

MS Ahmed, K Elsayed, Y El-shaer, NU Babaoğlu… - Applied Thermal …, 2024 - Elsevier
The present study investigated the impact of various parameters on pressure drop, Nusselt
number, and friction factor in grooved annular channels, which have practical applications in …

Multi-objective optimization of twisted tri-lobed tube geometry for enhanced heat transfer and reduced resistance in turbulent flow

K Liu, B Cai, Q Li, X Che, W Cai, X Fang - Applied Thermal Engineering, 2024 - Elsevier
This study presents a detailed multi-objective optimization analysis of turbulent flow and
heat transfer within a twisted tri-lobed tube, employing an integrated approach that …