An overview on thermal and fluid flow characteristics in a plain plate finned and un-finned tube banks heat exchanger

TA Tahseen, M Ishak, MM Rahman - Renewable and Sustainable Energy …, 2015 - Elsevier
The heat exchangers have a widespread use in industrial, transportation as well as
domestic applications such as thermal power plants, means of transport, air conditioning …

Direct numerical simulation of convective heat transfer in porous media

X Chu, G Yang, S Pandey, B Weigand - … Journal of Heat and Mass Transfer, 2019 - Elsevier
Convective heat transfer in turbulent flow in porous media is, in general, less understood
compared to laminar and creeping flows. It is broadly integrated into industrial applications …

Numerical investigation of supercritical water turbulent flow and heat transfer characteristics in vertical helical tubes

H Zhao, X Li, X Wu - The Journal of Supercritical Fluids, 2017 - Elsevier
Heat transfer of supercritical water turbulent flow in helical and straight tubes is simulated
using the SST k− ω model to investigate the effects of property variations, buoyancy forces …

Numerical investigation on the thermal load heterogeneity of multi-assembly helical coil steam generator in high temperature gas-cooled reactor

K Liu, M Wang, J Zhang, K Guo, W Tian, S Qiu, GH Su - Energy, 2023 - Elsevier
The thermal load heterogeneity will lead to inhomogeneous local heat flux and thermal
stress, extremely detrimental to the operational stability of heat exchangers with multi …

Thermal-hydraulic investigation of liquid metal cross flow different arrangements of tube bundles under pulsating

H Jiang, C Zhi, Y Liu - International Journal of Thermal Sciences, 2024 - Elsevier
The topic of this paper is to couple the passive and active approaches to enhance the heat
transfer performance in the inline tube bundle heat exchanger. Firstly, the k-kl-ω turbulence …

Thermal performance of mixed tube bundle composed of circular and elliptical tubes

RL Mohanty, A Swain, MK Das - Thermal Science and Engineering …, 2018 - Elsevier
A numerical study to determine forced convection heat transfer coefficient and pressure drop
across mixed tube bundle (composed of circular and elliptical tubes) has been carried out in …

Numerical investigation of helical coil tube bundle in turbulent cross flow using large eddy simulation

SJ Lee, YA Hassan - International Journal of Heat and Fluid Flow, 2020 - Elsevier
A realistic five-layered helical coil tube bundle in turbulent cross flow is numerically
investigated using large eddy simulation (LES). The geometry of the helical coil tube bundle …

Thermal analysis of HTGR helical tube once through steam generators using 1D and 2D methods

X Li, W Gao, Y Su, X Wu - Nuclear Engineering and Design, 2019 - Elsevier
The working temperature of High Temperature Gas-cooled Reactor (HTGR) steam
generators is much higher than that of Pressurized Water Reactor (PWR) steam generators …

In-line tube-bank heat exchangers: Arrays with various numbers of thermally participating tubes

JM Gorman, EM Sparrow, J Ahn - International Journal of Heat and Mass …, 2019 - Elsevier
This investigation presents numerical results for both laminar and turbulent flow and heat
transfer for an in-line tube bank ranging in size from 1 to 20 tube rows over a Reynolds …

Development of friction factor and heat transfer correlation of liquid metal flow in helical tube bundles

C Shen, M Liu, L Liu, Z Xu, C Zeng, L Liu, H Gu - Annals of Nuclear Energy, 2024 - Elsevier
There are currently few friction factor and heat transfer correlations for liquid metal flow in the
shell-side of helical-coiled once-through steam generators (H-OTSG). The flow and heat …