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Evan Anderson, Budi Gunawan, James Nicholas, Mathew Ingraham and Bernadette A. Hernandez-Sanchez
Marine energy generation technologies such as wave and tidal power have great potential in meeting the need for renewable energy in the years ahead. Yet, many challenges remain associated with marine-based systems because of the corrosive environment. Co...
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Bruna A. Silva, Ana Paula Ferreira Pinto, Augusto Gomes and António Candeias
This paper evaluates the influence of water content and mixing conditions (mixing time and sequence of addition of the constituents) on the fresh state properties of lime-based materials and their impact on the hardened state properties. Higher water con...
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Sijiao Wang, Kaiming Cao, Guanwei Wang, Mengmeng Chen and Hongxi Wang
Epoxy resin is one of the most widely used thermosetting polymers and commonly applied in power electronics field. The intrinsic properties of epoxy can be improved by the introduction of inorganic filler, thus fabricating a composite material. In this p...
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Zhaoliang Xing, Chong Zhang, Mengyao Han, Ziwei Gao, Qingzhou Wu and Daomin Min
The development of direct current high-voltage power cables requires insulating materials having excellent electrically insulation properties. Experiments show that appropriate nanodoping can improve the breakdown strength of polyethylene (PE) nanocompos...
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Charalampos Konstantinou and Giovanna Biscontin
Fluid injection in a porous medium is the underlying mechanism for many applications in the fields of groundwater hydraulics, hydrology and hydrogeology, and geo-environmental engineering and in the oil and gas industry. Fluid flow experiments in porous ...
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Vladimir Bordo and Thomas Ebel
The electrostatic field in a nanocomposite represented by spherical nanoparticles (NPs) embedded into a dielectric between two parallel metallic electrodes is derived from first principles. The NPs are modeled by point dipoles which possess the polarizab...
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Sujin Lee, Jang-Hoon Ha, Jongman Lee, In-Hyuck Song and Se-Hun Kwon
In recent years, porous ceramics have been increasingly developed owing to their high levels of high-temperature stability and chemical stability. These properties are far superior to porous polymers and porous metals. As a representative porous ceramic,...
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Diangeng Li, Zicheng Zhang, Shifei Liu and Song Li
In liquid mediums, whether the breakdown strength can be greatly improved after introducing the nano-particles has been widely investigated, however, there has been no scientific consensus on the modification mechanism of this anomalous phenomenon. In th...
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Qingguo Chen, Jinfeng Zhang, Minghe Chi and Chong Guo
An AC-DC combined voltage is applied to the oil-pressboard insulation near the valve side during the operation of a converter transformer. To study the breakdown characteristics of an oil-pressboard insulation under such voltages, a typical plate electro...
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Yunpeng Liu, Shuo Jiang, Xiaozhou Fan and Yuan Tian
With the development of fiber optic sensing technology, optical fiber sensors have been widely used in online monitoring of power transformers. To investigate the influence of aging fiber sheaths on transformer oil, two kinds of special optical fibers wi...
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