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 …

A comprehensive review on convective heat transfer of nanofluids in porous media: Energy-related and thermohydraulic characteristics

MH Esfe, M Bahiraei, H Hajbarati… - Applied Thermal …, 2020 - Elsevier
Convective heat transfer is one of the most important mechanisms of heat exchange in many
of industrial devices, which covers a major part of energy-related topics. With providing large …

Melting and solidification processes of phase change material in evacuated tube solar collector with U-shaped spirally corrugated tube

H Olfian, SSM Ajarostaghi, M Farhadi… - Applied Thermal …, 2021 - Elsevier
Most important challenge in evacuated tube solar collector is lower performance in off-pick
hours of sunlight which leads to utilizing thermal energy storage. In present study, thermal …

Laminar heat transfer and fluid flow of two various hybrid nanofluids in a helical double-pipe heat exchanger equipped with an innovative curved conical turbulator

SH Hashemi Karouei, SSM Ajarostaghi… - Journal of Thermal …, 2021 - Springer
In the present study, the effect of inserting an innovative curved turbulator and utilizing two
types of hybrid nanofluids on thermal performance in a helical double-pipe heat exchanger …

Numerical evaluation of the effect of using twisted tapes as turbulator with various geometries in both sides of a double-pipe heat exchanger

M Noorbakhsh, M Zaboli… - Journal of Thermal …, 2020 - Springer
In this study, the effect of using twisted tapes with various geometries in both tubes of a
double-pipe heat exchanger is numerically investigated. The twisted tapes are inserted in …

Numerical evaluation of turbulence heat transfer and fluid flow of hybrid nanofluids in a pipe with innovative vortex generator

SSM Ajarostaghi, M Zaboli, M Nourbakhsh - Journal of Thermal Analysis …, 2021 - Springer
In the present work, hybrid nanofluids flow and heat transfer in a pipe equipped with vortex
generator are evaluated numerically. At the first part, the impact of the type of working fluid …

Analysis of functionally graded metal foams for the accomplishment of heat transfer enhancement under partially filled condition in a heat exchanger

PH Jadhav, N Gnanasekaran, M Mobedi - Energy, 2023 - Elsevier
The use of partially filled high porosity graded aluminum and copper foams is explored to
satisfy both heat transfer and pressure drop in a heat exchanger. Both positive and negative …

Numerical evaluation of the heat transfer and fluid flow in a corrugated coil tube with lobe-shaped cross-section and two types of spiral twisted tape as swirl generator

M Zaboli, M Nourbakhsh, SSM Ajarostaghi - Journal of Thermal Analysis …, 2022 - Springer
In the present study, heat transfer and fluid flow in a corrugate coil tube with different lobe-
shaped cross-sections are evaluated numerically. Also, spiral twisted tape as turbulator with …

Thermal performance enhancement using absorber tube with inner helical axial fins in a parabolic trough solar collector

M Zaboli, SS Mousavi Ajarostaghi, S Saedodin… - Applied Sciences, 2021 - mdpi.com
In the present work, a parabolic trough solar (PTC) collector with inner helical axial fins as
swirl generator or turbulator is considered and analyzed numerically. The three-dimensional …

Numerical investigation on turbulent flow, heat transfer, and entropy generation of water-based magnetic nanofluid flow in a tube with hemisphere porous under a …

P Soleymani, Y Ma, E Saffarifard, R Mohebbi… - … Communications in Heat …, 2022 - Elsevier
This paper numerically investigates the forced convection and entropy generation of Fe 3 O
4 water nanofluid inside a cylindrical tube with porous hemisphere media. The flow regime …