Current Issue: Volume 13 ~ Issue 3

Influence of Amino Substituent's Position on Quinoline for Inhibition of Aluminium Corrosion in Hydrochloric Acid
A.M. Usman, Jaweria Ambreen, A.A.Muhammad, Saba Zafar, Syafiqah Saidin
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This study examined the effects of specific aminoquinoline molecules on the inhibition of aluminium corrosion in hydrochloric acid, as well as the effects of the amino group substituent at positions 5, 6, and 8. Experimental measurements using weight loss, EIS, and PDP were conducted. Six aminoquinolines (6-AMQ), seven aminoquinolines (7-AMQ), and eight aminoquinolines (8-AMQ) were used in different mass and temperature conditions with varying HCl concentrations to aid in weight loss. These inhibitors' adsorption properties were discovered to be in line with the long-muir isotherm; physical and chemical processes were all important. Comparatively speaking, 7-aminoquinoline performance was superior to 6- and 8-chloroquinoline, as indicated by the corrosion rate (CR), mass loss, percentage inhibition efficiency.........
Keywords:- aminoQuinoline , aluminium, corrosion, substituents' position, inhibition efficiency

Developing and Evaluating a High Gain Sheppard-Taylor DC-DC Converter for Renewable Energy Application
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This paper introduces an innovative high step-up converter featuring average mode control tailored for power generation applications. A comprehensive steady-state analysis of the system is provided, yielding transfer functions for input voltage versus output voltage and duty cycle versus output voltage. The study includes simplifications and design rules to streamline feedback loop design. The Sheppard Taylor Converter, designed to emulate non pulsing input and output currents akin to the Cuk Converter, operates with forward energy transfer. Employing two inductors to shape input currents and feed the output load, this converter minimizes input and output current ripple. Compared to the Cuk Converter, the Sheppard Taylor converter demonstrates superior regulation of output voltage with less variation in the duty cycle. This paper explores the Sheppard Taylor converter, its state space average model, and its application in high step-up converters crucial for renewable energy application.
Keywords:- DC-DC, Converter, Boost converter, PI controller, High gain

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