Heat transfer enhancement using different types of vortex generators (VGs): A review on experimental and numerical activities

M Awais, AA Bhuiyan - Thermal Science and Engineering Progress, 2018 - Elsevier
This paper presents a comprehensive review on heat transfer augmentation and pressure
loss reduction of compact heat exchanger (CHXs) by using interrupted surfaces in the form …

A review on single-phase convective heat transfer enhancement based on multi-longitudinal vortices in heat exchanger tubes

N Zheng, F Yan, K Zhang, T Zhou, Z Sun - Applied Thermal Engineering, 2020 - Elsevier
In this work, a review on single-phase convective heat transfer enhancement based on multi-
longitudinal vortices is carried out. Theoretical investigations on convective heat transfer …

An overview on heat transfer augmentation using vortex generators and nanofluids: approaches and applications

HE Ahmed, HA Mohammed, MZ Yusoff - Renewable and Sustainable …, 2012 - Elsevier
The subject of heat transfer enhancement has significant interest to develop the compact
heat exchangers in order to obtain a high efficiency, low cost, light weight, and size as small …

A numerical study on heat transfer enhancement and the flow structure in a heat exchanger tube with discrete double inclined ribs

N Zheng, W Liu, Z Liu, P Liu, F Shan - Applied Thermal Engineering, 2015 - Elsevier
This paper presents the results of a numerical study on heat transfer enhancement and the
flow structure in a heat exchanger tube fitted with discrete double inclined ribs characterized …

Design and optimization on symmetrical wing longitudinal swirl generators in circular tube for laminar flow

Y Wang, P Liu, H Xiao, Z Liu, W Liu - International Journal of Heat and Mass …, 2022 - Elsevier
It is crucial to further improve the overall performance of heat exchanger tube and make it
adapt to higher flux conditions. In this paper, a novel type of tube inserts, symmetrical wing …

Effects of rib arrangements on the flow pattern and heat transfer in an internally ribbed heat exchanger tube

N Zheng, P Liu, F Shan, Z Liu, W Liu - International Journal of Thermal …, 2016 - Elsevier
A numerical simulation was carried out to investigate the effects of rib arrangements on the
flow pattern and heat transfer in an internally ribbed heat exchanger tube. Details of the flow …

Flow and heat transfer performance of supercritical pressure carbon dioxide in pipes with discrete double inclined ribs

N Yuan, D Bi, Y Zhai, Y Jin, Z Li, H Wang - International Journal of Heat and …, 2020 - Elsevier
Heated flow of supercritical pressure carbon dioxide in pipes with discrete double inclined
ribs (DDIR) were numerically studied in this work. The turbulent flow and heat transfer was …

Numerical simulation and sensitivity analysis of heat transfer enhancement in a flat heat exchanger tube with discrete inclined ribs

N Zheng, P Liu, Z Liu, W Liu - International Journal of Heat and Mass …, 2017 - Elsevier
In this work, we propose a numerical study of the thermal-hydraulic performance in a novel
flat heat exchanger tube with discrete inclined ribs. Analysis of flow structures shows that …

Fluid dynamics and heat transfer investigations of swirling decaying flow in an annular pipe Part 1: Review, problem description, verification and validation

B Chen, K Ho, YA Abakr, A Chan - International Journal of Heat and Mass …, 2016 - Elsevier
This study presents a series of work on the fluid dynamics and heat transfer of swirling
decaying flows that was produced using a set of axial vanes in a concentric annular pipe …

Light/dark cycle enhancement and energy consumption of tubular microalgal photobioreactors with discrete double inclined ribs

C Qin, Y Lei, J Wu - Bioresources and Bioprocessing, 2018 - Springer
Tubular photobioreactors (PBRs) have a great potential in large-scale biomass cultivation
and mixers in tubular PBRs have been intensively investigated to achieve high biomass …