[HTML][HTML] Geometrical and coil revolution effects on the performance enhancement of a helical heat exchanger using nanofluids

MJ Hasan, SF Ahmed, AA Bhuiyan - Case Studies in Thermal Engineering, 2022 - Elsevier
Nanofluids have been widely researched in recent years to improve the heat transfer rate in
heat exchangers. However, no research is seen on improving heat transfer rate using …

[HTML][HTML] Review on heat transfer augmentation in helically coiled tube heat exchanger

MA Rahman - International Journal of Thermofluids, 2024 - Elsevier
In contemporary times, Helical tube heat exchangers (HTHXs) have gained significant
prominence in energy-related sectors, frequently finding application in industrial and …

[HTML][HTML] Effect of volume fraction and size of Al2O3 nanoparticles in thermal, frictional and economic performance of circumferential corrugated helical tube

H Wei, H Moria, KS Nisar, R Ghandour… - Case Studies in Thermal …, 2021 - Elsevier
The economic and operational constraints are the most important ones when it comes to
decide to use any performance enhancement method. In this paper, the effect of Al 2 O 3 …

[HTML][HTML] Thermal/exergy and economic efficiency analysis of circumferentially corrugated helical tube with constant wall temperature

H Chen, H Moria, SY Ahmed, KS Nisar… - Case Studies in Thermal …, 2021 - Elsevier
The effect of circumferential corrugations on the thermo-exergetic and economic efficiency of
the helical tube is numerically studied for the first time. In the field of heat transfer …

[HTML][HTML] Entropic analysis of a double helical tube heat exchanger including circular depressions on both inner and outer tube

Y Cao, H Ayed, HS Dizaji, M Hashemian… - Case Studies in Thermal …, 2021 - Elsevier
In this research, entropic analysis of a double helical tube heat exchanger including circular
depressions on both inner tube and outer tube is provided. Experimentally validated 3D …

[HTML][HTML] Performance boost of a helical heat absorber by utilization of twisted tape turbulator, an experimental investigation

C Xie, IB Mansir, I Mahariq, PK Singh… - Case Studies in Thermal …, 2022 - Elsevier
Present investigation, experimentally probes the influence of utilization of twisted tape
turbulator inside a helical tube. Twisted tapes mix the flow and enhance the heat transfer …

Heat transfer enhancement in a double-pipe helical heat exchanger using spring wire insert and nanofluid

MA Sharaf, SA Marzouk, A Aljabr… - Journal of Thermal …, 2024 - Springer
Double-pipe helical heat exchangers (DPHHXs) are widely used for cooling and heating
applications. In this study, a combination of two methods is used to enhance the …

Proposing an innovative and explicit economic criterion for all passive heat transfer enhancement techniques of heat exchangers

HS Dizaji, S Pourhedayat, F Aldawi, H Moria, AE Anqi… - Energy, 2022 - Elsevier
Numerous passive heat transfer enhancement techniques (including various types of
turbulators) have been proposed before for heat exchangers by many researchers. Their …

[HTML][HTML] Cost-effective and performance analysis of thermoelectricity as a building cooling system; experimental case study based on a single TEC-12706 commercial …

MW Tian, F Aldawi, AE Anqi, H Moria, HS Dizaji… - Case Studies in Thermal …, 2021 - Elsevier
Application of thermoelectricity as the building air cooling system has not been
commercialized yet. However, remarkable eco-friend characteristics of thermoelectricity …

[HTML][HTML] Performance boost of a commercial air-to-air plate heat recovery unit by mesh-net insert; thermal-frictional, economic, and effectiveness-NTU analysis

HS Dizaji, S Pourhedayat, H Moria, S Alqahtani… - Energy, 2024 - Elsevier
This research proposes, tests, and comprehensively investigates the application of mesh-net
to increase the efficiency of any air-to-air plate heat exchanger (mainly as a building heat …