Systematic analysis of ferrofluid: a visualization review, advances engineering applications, and challenges

W Yang, Y Zhang, X Yang, C Sun, Y Chen - Journal of Nanoparticle …, 2022 - Springer
With the broader use of ferrofluid in industry and the sciences, ferrofluid research has
produced many new branches. To obtain systematic analytical results and to help …

Effect of TiO2 and ZnO Nanoparticles on the Performance of Dielectric Nanofluids Based on Vegetable Esters During Their Aging

I Fernández, R Valiente, F Ortiz, CJ Renedo, A Ortiz - Nanomaterials, 2020 - mdpi.com
Over the last few decades the insulating performance of transformer oils has been broadly
studied under the point of view of nanotechnology, which tries to improve the insulating and …

Optimization of design parameters affecting the performance of a magnetic fluid rotary seal

S Parmar, RV Upadhyay, K Parekh - Arabian Journal for Science and …, 2021 - Springer
Three different design parameters of magnetic fluid seal are optimized for the maximum
pressure differential capacity of the seal. The program finite element method magnetics …

[HTML][HTML] Thermal-Hydraulic Network Model for steady-state thermal analysis and design of power transformer magnetic cores

LH Medeiros, MM Oliveira, CEG Falcão… - Case Studies in Thermal …, 2024 - Elsevier
The safe operation of power transformers is related to their internal temperatures, which
increase due to the heat generated in their active part. The core is subjected to hysteresis …

Titania nanofluids based on natural ester: Cooling and insulation properties assessment

C Olmo, C Mendez, F Ortiz, F Delgado, A Ortiz - Nanomaterials, 2020 - mdpi.com
The assessment of a TiO2 vegetal-based dielectric nanofluid has been carried out, and its
characteristics and behavior have been tested and compared with a previously tested …

Thermal response and failure mode evaluation of a dry-type transformer

PEB Alonso, A Meana-Fernández, JMF Oro - Applied Thermal Engineering, 2017 - Elsevier
In this work, the safe working limits of a 10 kVA dry-type transformer with H-class insulation
are determined by modeling its thermal response in different scenarios using numerical …

Design and development of large radial clearance static and dynamic magnetic fluid seal

S Parmar, V Ramani, RV Upadhyay, K Parekh - Vacuum, 2018 - Elsevier
Abstract A large radial clearance (0.7 mm) static and dynamic magnetic fluid seal is
designed and its performance is tested. The radial clearance of 0.7 mm is quite higher than …

Performance of Mn-Zn ferrite magnetic fluid in a prototype distribution transformer under varying loading conditions

J Patel, K Parekh, RV Upadhyay - International Journal of Thermal …, 2017 - Elsevier
The temperature distribution performance of prototype transformer has been evaluated for
varying loads. A 3 KVA single phase transformer is prototyped for this purpose and …

Investigation of ferrofluid cooling for high power density permanent magnet machines

W Zhang, GJ Li, B Ren, YC Chong… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article investigates an advanced thermal management method adopting ferrofluid (FF)
for improving the end-winding cooling of permanent magnet (PM) machines. An oil-based …

Influence of thermomagnetic convection and ferrofluid thermophysical properties on heat transfers in a cylindrical container heated by a solenoid

R Zanella, C Nore, F Bouillault, JL Guermond… - Journal of Magnetism …, 2019 - Elsevier
The thermal convection in a cylindrical container heated by a solenoid and cooled with an
oil-based ferrofluid is numerically studied. The temperature and the velocity fields are …