Nanofluid and porous fins effect on natural convection and entropy generation of flow inside a cavity

M Siavashi, R Yousofvand, S Rezanejad - Advanced Powder Technology, 2018 - Elsevier
In the present study, natural convection of Cu-water nanofluid in a cavity with an array of
porous fins on its hot wall has been numerically analyzed using two-phase approach. Use of …

A review on clogging of recirculating steam generators in Pressurized-Water Reactors

G Yang, V Pointeau, E Tevissen, A Chagnes - Progress in Nuclear Energy, 2017 - Elsevier
Corrosion product deposits in the secondary side of nuclear power plant steam generators
may result in Tube Support Plate (TSP) clogging and tube fouling. Magnetite has an inverse …

Numerical investigation of flow characteristics, heat transfer and entropy generation of nanofluid flow inside an annular pipe partially or completely filled with porous …

M Siavashi, HRT Bahrami, H Saffari - Energy, 2015 - Elsevier
Simultaneous application of nanoparticles and porous media to enhance heat transfer
inside an annulus is investigated numerically. Two-phase mixture model along with Darcy …

Transient analysis and dynamic modeling of the steam generator water level for nuclear power plants

X Sun, F Song, J Yuan - Progress in Nuclear Energy, 2024 - Elsevier
Natural circulating steam generators are extensively applied in pressurized water reactor
units, where the water level control is a tough challenge. During transients, the water level …

Numerical performance analysis of a counter-flow double-pipe heat exchanger with using nanofluid and both sides partly filled with porous media

M Siavashi, SM Miri Joibary - Journal of Thermal Analysis and Calorimetry, 2019 - Springer
Simultaneous application of nanofluid and porous media in a counter-flow double-pipe heat
exchanger is studied in order to enhance its heat transfer with minimum power increase …

Numerical investigation of porous rib arrangement on heat transfer and entropy generation of nanofluid flow in an annulus using a two-phase mixture model

M Siavashi, HRT Bahrami, H Saffari - Numerical Heat Transfer …, 2017 - Taylor & Francis
The effect of porous rib arrays on the heat transfer and entropy generation of laminar
nanofluid flow inside annuli is studied numerically, using a two-phase mixture model for …

Experimental investigations on single-phase convection and steam-water two-phase flow boiling in a vertical rod bundle

K Zhang, YD Hou, WX Tian, YQ Fan, GH Su… - … Thermal and Fluid …, 2017 - Elsevier
Single-phase convective heat transfer and steam-water two-phase flow boiling heat transfer
experiments have been carried out with a vertical seven-rod bundle at low flow conditions …

Heat transfer augmentation of a PTC with rotating absorber, utilizing nanofluid and porous lines

Y Aryan, MJ Alipour, M Siavashi, AM Norouzi - … Energy Technologies and …, 2022 - Elsevier
Static parabolic trough solar collectors (PTCs) suffer from the localized high surface
temperature caused by the focused solar irradiation. Accordingly, the absorber tube of the …

Non-uniform boiling heat transfer characteristics and calculation evaluation in U-tube Steam Generator tube bundle

Z Li, Y Yan, G Fan, X Zeng, S Hao, C Yan - Energy, 2024 - Elsevier
U-tube steam generator, as one of the core equipment in nuclear power plants, has radially
non-uniform heating on the secondary side, which complicates the progress of heat transfer …

Numerical investigation on forced convection enhancement within an oil cooler through the simultaneous use of porous media and nanofluid

M Sedighi, A Ayoobi, E Aminian - Proceedings of the …, 2024 - journals.sagepub.com
Traditional strategies for improving heat transmission in industrial systems include
nanofluids and porous inserts. In these kinds of systems, increasing the rate of thermal …