经济高效地生产用于变压器绝缘油改性的二氧化钛纳米粒子

IF 3.2 4区 化学 Q2 CHEMISTRY, MULTIDISCIPLINARY
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引用次数: 0

摘要

纳米流体是在变压器使用的标准油中添加纳米颗粒,从而提高变压器介电强度的前瞻性解决方案。油基二氧化钛纳米流体因其优异的绝缘性能和独特的热性能而越来越受欢迎,被认为是变压器绝缘油领域的可能替代品。本文介绍了用于改善变压器原油绝缘性能的二氧化钛纳米颗粒的工业合成方法。使用 X 射线衍射图(XRD)对二氧化钛纳米颗粒进行分析,结果显示在布拉格角 25O 处有一个突出的峰,表明二氧化钛纳米颗粒是以锐钛矿相生成的。傅立叶变换红外光谱(FTIR)研究表明,在 760 厘米-1、1345 厘米-1、2475 厘米-1 和 3646 厘米-1 波段分别存在 Ti-O-Ti 、Ti-OH、C-H 和 O-H 伸缩振动。对制备的二氧化钛纳米颗粒进行的场发射扫描电子显微镜(FESEM)和原子力显微镜(AFM)检查显示,颗粒呈圆形,直径为 55 纳米,平均粗糙度约为 3.6 纳米。对主原油和纳米粒子填充的纳米流体的粘度进行了检测,发现随着粒子浓度的增加,粘度值也随之升高。对zeta电位的有效电导率和热导率随温度变化的波动进行的研究也表明,在较高温度下,电导率随zeta电位的升高而升高,热导率则随之下降。此外,还观察到以二氧化钛纳米粒子为基础的初榨油的击穿强度随着粒子浓度的增加而有效提高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Cost-effective production of Titania nanoparticles for the modification of transformer insulating oil

Cost-effective production of Titania nanoparticles for the modification of transformer insulating oil
Nanofluids are prospective solutions for improving the transformer dielectric strengthby adding nanoparticles to the standard oils used in transformers.Oil-based titania nanofluids are becoming increasingly popular due to their superior insulating qualities and distinctive thermal performance, and they areconsideredas possible replacements in the domains of transformer insulating oils.This paper describes the industrial synthesis of titania nanoparticles for improving the insulating characteristics of virgin oil used in transformers.The titania nanoparticles were analyzed using an X-ray diffractogram (XRD), which revealed a prominent peak at Bragg angle 25O, indicating that the titania nanoparticles were generated in the anatase phase. Fourier transform infrared (FTIR) spectroscopy study endorsed the formation of Ti-O-Ti, Ti-OH, C-H and O-H stretching vibrations at 760 cm−1, 1345 cm−1, 2475 cm−1, and 3646 cm−1 wavenumbers respectively. Field emission scanning electron microscopy (FESEM) and Atomic Force Microscopy (AFM) examinations on the produced titania nanoparticles revealed that the particles had a circular shape with a diameter of 55 nm and an average roughness value of roughly 3.6 nm respectively.The viscosity of the host virgin oil and the nanoparticles-filled nanofluid were examined, and higher viscosity values were found as particle concentration increased.The effective conductivity study with the zeta potential and thermal conductivity fluctuation with temperature variation also revealed that at higher temperatures, conductivity with the zeta potential increased and thermal conductivity dropped. Furthermore, the breakdown strength of the titania nanoparticles-based virgin oil was observed to be effectively increased with the particle concentration.
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来源期刊
CiteScore
3.50
自引率
7.70%
发文量
492
审稿时长
3-8 weeks
期刊介绍: The Journal of the Indian Chemical Society publishes original, fundamental, theorical, experimental research work of highest quality in all areas of chemistry, biochemistry, medicinal chemistry, electrochemistry, agrochemistry, chemical engineering and technology, food chemistry, environmental chemistry, etc.
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