A review of recent passive heat transfer enhancement methods

SS Mousavi Ajarostaghi, M Zaboli, H Javadi… - Energies, 2022 - mdpi.com
Improvements in miniaturization and boosting the thermal performance of energy
conservation systems call for innovative techniques to enhance heat transfer. Heat transfer …

[HTML][HTML] Heat transfer and fluid flow characteristics of the passive method in double tube heat exchangers: a critical review

E Tavousi, N Perera, D Flynn, R Hasan - International Journal of …, 2023 - Elsevier
With the growing need for more energy, it is imperative to design efficient heat exchangers
that are simpler, cheaper to manufacture, have higher heat transfer rates, and low in …

Numerical simulation of flow and heat transfer characteristics of nanofluids in built-in porous twisted tape tube

Y Wang, C Qi, Z Ding, J Tu, R Zhao - Powder Technology, 2021 - Elsevier
For enhancing the heat transfer efficiency of heat exchanger, silica-water (SiO 2-H 2 O)
nanofluids were used as a working medium in this study. Further, the effects of tube …

Enhancing the thermal performance of TiO2/water nanofluids flowing in a helical microfin tube

B Kristiawan, AI Rifa'i, K Enoki, AT Wijayanta… - Powder Technology, 2020 - Elsevier
A hybrid method with a microfin tube and TiO 2/water nanofluid with various nanoparticles
concentration has been investigated experimentally. The objectives of this work are to …

Failures and leak inspection techniques of tube-to-tubesheet joints: A review

DT Thekkuden, AHI Mourad, AH Bouzid - Engineering Failure Analysis, 2021 - Elsevier
The integral components of heat exchangers and in particular the tubes, tubesheets and
tube-to-tubesheet joints have vital roles in the proper functioning of this equipment. Several …

The effect of different twisted tape inserts configurations on fluid flow characteristics, pressure drop, thermo-hydraulic performance and heat transfer enhancement in …

AR Al-Obaidi, J Alhamid - International Journal of Ambient Energy, 2023 - Taylor & Francis
The thermal-hydraulic performance of the circular pipe heat exchanger is determined by
numerical simulations of the flow field and pressure drop inside the pipe. Initially, a three …

[HTML][HTML] W-cut twisted tape's effect on the thermal performance of a double pipe heat exchanger: a numerical study

BK Dandoutiya, A Kumar - Case Studies in Thermal Engineering, 2022 - Elsevier
A numerical investigation has been performed for double pipe heat exchanger to enhance
heat transfer rate and thermal performance factor using W-cut twisted tape. W-cut twisted …

Thermal-hydraulic performance in a tube with punched delta winglets inserts in turbulent flow

J Wang, T Fu, L Zeng, F Lien, G Chen - International Journal of Thermal …, 2022 - Elsevier
A punched delta winglet (PDW) was proposed and investigated numerically and
experimentally in a turbulent flow. The effect of delta winglets with different punching holes …

The influence of different twisted tape inserts configurations on thermo-hydraulic performance and enhancement of heat transfer in the 3D circular tube

AR Al-Obaidi - Korean Journal of Chemical Engineering, 2023 - Springer
Numerical simulation was performed to analyze the behavior of a flow field, characteristic of
pressure drop, and hydraulic thermal performance. Moreover, influences of different twisted …

Investigation of the three-dimensional structure, pressure drop, and heat transfer characteristics of the thermohydraulic flow in a circular pipe with different twisted-tape …

AR Al-Obaidi, A Sharif - Journal of Thermal Analysis and Calorimetry, 2021 - Springer
The effect of inserting twisted tapes with various configurations and parameters inside a
circular pipe on the flow field is studied. The pressure drop and turbulent heat transfer are …