Investigation of a nanofluid-based natural circulation loop

Z Ghorbanali, S Talebi - Progress in Nuclear Energy, 2020 - Elsevier
Abstract The Natural Circulation Loop (NCL) has many applications in nuclear and
renewable energy systems including solar heaters and geothermal power derivation …

Entropy generation analysis and performance evaluation of turbulent forced convective heat transfer to nanofluids

Y Ji, HC Zhang, X Yang, L Shi - Entropy, 2017 - mdpi.com
The entropy generation analysis of fully turbulent convective heat transfer to nanofluids in a
circular tube is investigated numerically using the Reynolds Averaged Navier–Stokes …

Energy and entropy generation analysis in a supercapacitor for different operating conditions

H Li, H Yang, J Yan, K Cen, KK Ostrikov, Z Bo - Energy, 2022 - Elsevier
Sustainability and efficiency are the key issues concerning performance and lifetime of
supercapacitors. In this work, an entropy generation analysis is implemented for the first time …

Entropy generation analysis on a heat exchanger with different design and operation factors during transient processes

C Wang, M Liu, Y Zhao, Y Qiao, J Yan - Energy, 2018 - Elsevier
Entropy generation analyses on the transient processes of heat exchangers can guide their
designs and operations. A dynamic model of a typical recuperative heater is developed …

Entropy generation study for a supercritical water reactor (SCWR)

MM Valujerdi, S Talebi - Progress in Nuclear Energy, 2020 - Elsevier
The main objective of the present work was to analyze thermodynamic performance for a
supercritical water reactor (SCWR) concept carried out via an entropy generation approach …

Entropy generation analysis in supercapacitor modules based on a three-dimensional coupled thermal model

H Li, H Yang, C Xu, J Yan, K Cen, KK Ostrikov, Z Bo - Energy, 2022 - Elsevier
Efficient and sustainable thermal management systems are crucial to ensure thermal
stability and a long lifespan of supercapacitors. In this work, an entropy generation analysis …

Heat removal ability for different orientations of single-phase natural circulation loops using the entransy method

N Goudarzi, S Talebi - Annals of Nuclear Energy, 2018 - Elsevier
Natural circulation loops are frequently applied in renewable and nuclear reactor cooling
systems. However, there are certain problems associated with these systems such as …

Investigation of passive residual heat removal system for VVERs: Effects of finned type heat exchanger tubes

H Ayhan, CN Sökmen - Applied Thermal Engineering, 2016 - Elsevier
After nuclear reactor shutdown, decay heat generation continues in the reactor core and it
has the possibility to cause a severe accident. This residual heat has to be removed from the …

A performance analysis of vertical steam generator using an entropy generation method

ME Bahmanyar, S Talebi - Annals of Nuclear Energy, 2019 - Elsevier
In this study, an entropy generation analysis is presented for a shell and tube steam
generator. A two-phase model of secondary fluid in the shell side and also a single-phase …

Entropy generation versus transition time of heat exchanger during transient processes

K Zhang, M Liu, Y Zhao, C Wang, J Yan - Energy, 2020 - Elsevier
The flexibility of thermal power plants plays a critical role to accommodate high penetration
of fluctuant renewable energy. Heat exchanger is the key device restricting the flexibility and …