Flow and heat transfer enhancement in tube heat exchangers

SAE Sayed Ahmed, OM Mesalhy, MA Abdelatief - Heat and Mass Transfer, 2015 - Springer
The performance of heat exchangers can be improved to perform a certain heat-transfer duty
by heat transfer enhancement techniques. Enhancement techniques can be divided into two …

State of the art on flow and heat transfer performance of compact fin-and-tube heat exchangers

AY Adam, AN Oumer, G Najafi, M Ishak… - Journal of Thermal …, 2020 - Springer
The need for better thermal–hydraulic performance of heat exchangers remains the primary
reason for further improving the design of heat exchanger. Various investigations have been …

Thermo-hydraulic performance and exergy analysis of a fin-and-tube heat exchanger with sinusoidal wavy winglet type vortex generators

J Wu, P Liu, M Yu, Z Liu, W Liu - International Journal of Thermal Sciences, 2022 - Elsevier
The widely used fin-and-tube heat exchangers have a low air-side heat transfer capacity.
Enhancing the air-side thermo-hydraulic performance is a key point of the relevant research …

Experimental investigation of effect of different tube row-numbers, fin pitches and operating conditions on thermal and hydraulic performances of louvered and wavy …

A Okbaz, A Pınarbaşı, AB Olcay - International Journal of Thermal Sciences, 2020 - Elsevier
Heat exchangers are used in air conditioners, heat pumps, marine, land and air vehicles,
refrigeration systems, thermal and nuclear power plants, etc. Increasing heat transfer …

An experimental, computational and flow visualization study on the air-side thermal and hydraulic performance of louvered fin and round tube heat exchangers

A Okbaz, A Pınarbaşı, AB Olcay, MH Aksoy - International Journal of heat …, 2018 - Elsevier
The aim of this study is to determine heat transfer and pressure drop characteristics in
different louvered fin geometries for manufacturing of commercial louvered fin and round …

Parametric study and optimization of louver finned-tube heat exchangers by Taguchi method

CT Hsieh, JY Jang - Applied Thermal Engineering, 2012 - Elsevier
A serial studies on the effects of fin pitch, fin collar outside diameter, transverse tube pitch,
longitudinal tube pitch, number of longitudinal tube rows, louver height, louver angle, fin …

Developed correlations for heat transfer and flow friction characteristics of louvered finned tube heat exchangers

A Sadeghianjahromi, S Kheradmand… - International Journal of …, 2018 - Elsevier
Abstract 3D turbulent flow numerical simulations were performed in order to develop
correlations for heat transfer and flow friction characteristics in louvered fin and tube heat …

Thermal-hydraulic performance enhancement of fin-and-tube heat exchangers using carbon nanotube coatings under dry and wet conditions

H Seok, C Han, D Lee, Y Kim - Applied Thermal Engineering, 2023 - Elsevier
Carbon nanotube coatings have been widely adopted in various heat transfer fields to
improve their heat transfer performance. However, comprehensive studies on the thermal …

[HTML][HTML] Using a spiral fin to replace a wavy fin in the condenser of an air conditioner

N Chimres, J Kaew-on, T Surapapwong… - International Journal of …, 2024 - Elsevier
An experimental and numerical investigation of an L-footed spiral fin's thermal performance
for replacement of wavy fins used in condensers is presented. This condenser is used for air …

Parametric design exploration of fin-and-oval tube compact heat exchangers performance with a new type of corrugated fin patterns

A Gholami, HA Mohammed, MA Wahid… - International Journal of …, 2019 - Elsevier
The key incentive of current research is to perform numerically a parametric investigation of
the thermal-hydraulic performance in a fin-and-tube compact heat exchanger (FTCHE) …