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39 results on '"Gopinath B"'

14. Enhancement of marine corrosion inhibition of mild steel by fabrication of environmental friendly CeO2 coating.

Author

Suresh, K. C., Surendhiran, S., Benham, A., Sudha, M., Gopinath, B., Khadar, Y. A. Syed, and Balamurugan, A.

Subjects
MILD steel, SEAWATER corrosion, SURFACE coatings, ENERGY dispersive X-ray spectroscopy, ARTIFICIAL seawater, SPIN coating
Abstract

The research work aims to provide some insight about the environmental friendly CeO2 NPs coating on Mild steel plate for improving corrosion inhibition in marine environment. CeO2 coating on MS plate was prepared by spin coating technique. The morphology, chemical composition, and crystalline nature of the prepared CeO2NPs were studied using a scanning electronic microscope (SEM), energy dispersive X-ray spectroscopy with elemental mapping technique (EDS), X- ray diffraction (XRD), and Raman spectroscopy analysis. The corrosion resistance of the coatings in artificial seawater is evaluated using electrochemical methods such as Tafel polarisation and electrochemical impedance spectroscopy. CeO2 NPs by spin coating technique have produce more uniform and compact structure and present a better corrosion protection of MS in artificial seawater. The coatings were found to be stable, and the number of coatings of CeO2 NPs significantly improved the microstructural properties, hardness behaviour, and corrosion inhibition of MS plates in a marine setting. Overall, the benefits of spin coating CeO2 NPs on MS plates are demonstrated clearly. [ABSTRACT FROM AUTHOR]

Published
2022
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17. Damping of power system oscillations using unified power flow controller.

Author

Jananisri, D., Kalyanasundaram, M., and Gopinath, B.

Abstract

This paper presents an approach for the determination of the optimal parameters and placement of UPFC as the major concern is to ensure the full potential of utilization in the transmission network. Voltage source model is utilized to study the behaviour of the UPFC in regulating the active, reactive power and voltage profile. This model is incorporated in Newton Raphson algorithm for load flow studies. This paper proposes particle swarm optimization for the exact real power loss minimization including UPFC. Installing UPFC with such optimal parameters will eliminate or minimize the overloaded lines and the bus voltage violations under critical contingencies. The implementation of loss minimization for the optimal location of UPFC was tested with IEEE-14 bus system. [ABSTRACT FROM PUBLISHER]

Published
2012

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